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Posted to commits@carbondata.apache.org by zh...@apache.org on 2019/11/20 14:43:49 UTC

[carbondata] branch master updated: [CARBONDATA-3576] optimize java code checkstyle for EmptyLineSeparator rule

This is an automated email from the ASF dual-hosted git repository.

zhangzc pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/carbondata.git


View the commit online:
https://github.com/apache/carbondata/commit/023800cd950132985c68ee2ecedd8de7b1fcc575

The following commit(s) were added to refs/heads/master by this push:
     new 023800c  [CARBONDATA-3576] optimize java code checkstyle for EmptyLineSeparator rule
023800c is described below

commit 023800cd950132985c68ee2ecedd8de7b1fcc575
Author: lamber-ken <22...@qq.com>
AuthorDate: Mon Nov 18 01:03:11 2019 +0800

    [CARBONDATA-3576] optimize java code checkstyle for EmptyLineSeparator rule
    
    fix checkstyle in MapParserImpl.java
    
    This closes #3465
---
 .../core/cache/dictionary/AbstractDictionaryCache.java    |  2 --
 .../core/cache/dictionary/ColumnDictionaryInfo.java       |  1 +
 .../core/cache/dictionary/DictionaryChunksWrapper.java    |  1 +
 .../core/cache/dictionary/ReverseDictionaryCache.java     |  1 -
 .../core/constants/CarbonCommonConstantsInternal.java     |  1 +
 .../core/constants/CarbonV3DataFormatConstants.java       |  1 +
 .../apache/carbondata/core/datamap/DataMapChooser.java    |  2 +-
 .../carbondata/core/datamap/DataMapDistributable.java     |  1 +
 .../org/apache/carbondata/core/datamap/DataMapJob.java    |  1 +
 .../org/apache/carbondata/core/datamap/DataMapLevel.java  |  1 +
 .../carbondata/core/datamap/DataMapStoreManager.java      |  2 +-
 .../core/datamap/DistributableDataMapFormat.java          |  1 +
 .../java/org/apache/carbondata/core/datamap/Segment.java  |  1 +
 .../carbondata/core/datamap/SegmentDataMapGroup.java      |  1 +
 .../org/apache/carbondata/core/datamap/TableDataMap.java  |  3 +++
 .../carbondata/core/datamap/dev/BlockletSerializer.java   |  1 +
 .../org/apache/carbondata/core/datamap/dev/DataMap.java   |  1 +
 .../carbondata/core/datamap/dev/DataMapBuilder.java       |  1 +
 .../carbondata/core/datamap/dev/DataMapFactory.java       |  3 +++
 .../carbondata/core/datamap/dev/DataMapSyncStatus.java    |  1 -
 .../apache/carbondata/core/datamap/dev/DataMapWriter.java |  2 +-
 .../core/datamap/dev/cgdatamap/CoarseGrainDataMap.java    |  2 +-
 .../core/datamap/dev/expr/AndDataMapExprWrapper.java      |  1 +
 .../datamap/dev/expr/DataMapDistributableWrapper.java     |  1 +
 .../core/datamap/dev/expr/DataMapExprWrapper.java         |  1 +
 .../core/datamap/dev/expr/DataMapExprWrapperImpl.java     |  1 +
 .../core/datamap/dev/expr/OrDataMapExprWrapper.java       |  2 +-
 .../core/datamap/dev/fgdatamap/FineGrainBlocklet.java     |  1 +
 .../core/datamap/dev/fgdatamap/FineGrainDataMap.java      |  1 +
 .../datamap/dev/fgdatamap/FineGrainDataMapFactory.java    |  1 +
 .../carbondata/core/datamap/status/DataMapStatus.java     |  1 +
 .../core/datamap/status/DataMapStatusDetail.java          |  1 +
 .../core/datamap/status/DataMapStatusManager.java         |  1 +
 .../core/datamap/status/DataMapStatusStorageProvider.java |  1 +
 .../org/apache/carbondata/core/datastore/DataRefNode.java |  1 +
 .../org/apache/carbondata/core/datastore/FileReader.java  |  1 +
 .../org/apache/carbondata/core/datastore/IndexKey.java    |  1 +
 .../org/apache/carbondata/core/datastore/TableSpec.java   |  1 +
 .../carbondata/core/datastore/block/AbstractIndex.java    |  1 +
 .../apache/carbondata/core/datastore/block/BlockInfo.java |  1 +
 .../carbondata/core/datastore/block/BlockletInfos.java    |  2 ++
 .../core/datastore/block/SegmentProperties.java           |  1 +
 .../datastore/block/SegmentPropertiesAndSchemaHolder.java |  1 +
 .../carbondata/core/datastore/block/TableBlockInfo.java   |  1 +
 .../core/datastore/block/TableBlockUniqueIdentifier.java  |  1 +
 .../datastore/blocklet/BlockletEncodedColumnPage.java     |  1 +
 .../core/datastore/blocklet/EncodedBlocklet.java          |  1 +
 .../core/datastore/chunk/AbstractRawColumnChunk.java      |  1 +
 .../core/datastore/chunk/DimensionColumnPage.java         |  1 +
 .../datastore/chunk/impl/AbstractDimensionColumnPage.java |  2 +-
 .../datastore/chunk/impl/DimensionRawColumnChunk.java     |  1 +
 .../chunk/impl/FixedLengthDimensionColumnPage.java        |  1 +
 .../core/datastore/chunk/impl/MeasureRawColumnChunk.java  |  1 +
 .../chunk/impl/VariableLengthDimensionColumnPage.java     |  1 +
 .../datastore/chunk/reader/CarbonDataReaderFactory.java   |  1 +
 .../chunk/reader/DimensionColumnChunkReader.java          |  1 +
 .../datastore/chunk/reader/MeasureColumnChunkReader.java  |  1 +
 .../chunk/reader/dimension/AbstractChunkReader.java       |  1 +
 .../reader/dimension/AbstractChunkReaderV2V3Format.java   |  1 +
 .../v1/CompressedDimensionChunkFileBasedReaderV1.java     |  1 +
 .../v2/CompressedDimensionChunkFileBasedReaderV2.java     |  1 +
 .../v3/CompressedDimChunkFileBasedPageLevelReaderV3.java  |  1 +
 .../v3/CompressedDimensionChunkFileBasedReaderV3.java     |  1 +
 .../chunk/reader/measure/AbstractMeasureChunkReader.java  |  1 +
 .../measure/AbstractMeasureChunkReaderV2V3Format.java     |  1 +
 .../v1/CompressedMeasureChunkFileBasedReaderV1.java       |  1 +
 .../v2/CompressedMeasureChunkFileBasedReaderV2.java       |  1 +
 .../v3/CompressedMeasureChunkFileBasedReaderV3.java       |  1 +
 .../v3/CompressedMsrChunkFileBasedPageLevelReaderV3.java  |  1 +
 .../core/datastore/chunk/store/ColumnPageWrapper.java     |  2 --
 .../safe/SafeVariableLengthDimensionDataChunkStore.java   |  1 +
 .../UnsafeVariableLengthDimensionDataChunkStore.java      |  1 +
 .../columnar/BlockIndexerStorageForNoDictionary.java      |  1 +
 .../BlockIndexerStorageForNoInvertedIndexForShort.java    |  1 +
 .../datastore/columnar/BlockIndexerStorageForShort.java   |  1 +
 .../columnar/ColumnWithRowIdForNoDictionary.java          |  1 -
 .../core/datastore/compression/AbstractCompressor.java    |  1 +
 .../core/datastore/compression/CompressorFactory.java     |  1 +
 .../carbondata/core/datastore/filesystem/CarbonFile.java  |  1 +
 .../core/datastore/filesystem/LocalCarbonFile.java        |  1 -
 .../core/datastore/filesystem/S3CarbonFile.java           |  1 +
 .../core/datastore/filesystem/ViewFSCarbonFile.java       |  1 +
 .../carbondata/core/datastore/impl/DFSFileReaderImpl.java |  1 +
 .../carbondata/core/datastore/impl/FileFactory.java       |  9 ++++++++-
 .../datastore/page/ActualDataBasedFallbackEncoder.java    |  1 +
 .../apache/carbondata/core/datastore/page/ColumnPage.java |  1 -
 .../core/datastore/page/ColumnPageValueConverter.java     | 15 +++++++++++++++
 .../core/datastore/page/DecoderBasedFallbackEncoder.java  |  1 +
 .../core/datastore/page/FallbackEncodedColumnPage.java    |  1 +
 .../core/datastore/page/SafeFixLengthColumnPage.java      |  1 +
 .../core/datastore/page/UnsafeFixLengthColumnPage.java    |  3 ---
 .../core/datastore/page/encoding/ColumnPageEncoder.java   |  1 -
 .../page/statistics/ColumnPageStatsCollector.java         |  9 +++++++++
 .../datastore/page/statistics/DummyStatsCollector.java    |  1 +
 .../page/statistics/PrimitivePageStatsCollector.java      |  1 +
 .../core/devapi/DictionaryGenerationException.java        |  1 +
 .../core/dictionary/client/NonSecureDictionaryClient.java |  1 +
 .../client/NonSecureDictionaryClientHandler.java          |  1 +
 .../core/dictionary/generator/DictionaryWriter.java       |  1 +
 .../generator/IncrementalColumnDictionaryGenerator.java   |  1 +
 .../dictionary/generator/ServerDictionaryGenerator.java   |  1 +
 .../dictionary/generator/TableDictionaryGenerator.java    |  1 +
 .../core/dictionary/generator/key/DictionaryMessage.java  |  2 +-
 .../dictionary/generator/key/DictionaryMessageType.java   |  1 +
 .../core/dictionary/server/NonSecureDictionaryServer.java |  1 +
 .../server/NonSecureDictionaryServerHandler.java          |  1 +
 .../service/NonSecureDictionaryServiceProvider.java       |  2 --
 .../org/apache/carbondata/core/enums/EscapeSequences.java |  1 -
 .../core/fileoperations/AtomicFileOperationS3Impl.java    |  1 +
 .../apache/carbondata/core/indexstore/BlockMetaInfo.java  |  1 +
 .../org/apache/carbondata/core/indexstore/Blocklet.java   |  1 +
 .../core/indexstore/BlockletDataMapIndexStore.java        |  2 +-
 .../carbondata/core/indexstore/BlockletDetailInfo.java    |  1 +
 .../core/indexstore/BlockletDetailsFetcher.java           |  1 +
 .../carbondata/core/indexstore/ExtendedBlocklet.java      |  2 ++
 .../apache/carbondata/core/indexstore/PartitionSpec.java  |  1 +
 .../TableBlockIndexUniqueIdentifierWrapper.java           |  1 -
 .../carbondata/core/indexstore/UnsafeMemoryDMStore.java   |  1 +
 .../core/indexstore/blockletindex/BlockDataMap.java       |  1 +
 .../core/indexstore/blockletindex/BlockletDataMap.java    |  1 +
 .../blockletindex/BlockletDataMapDistributable.java       |  1 +
 .../indexstore/blockletindex/BlockletDataMapFactory.java  |  2 +-
 .../indexstore/blockletindex/BlockletDataMapModel.java    |  1 +
 .../blockletindex/BlockletDataMapRowIndexes.java          |  1 +
 .../indexstore/blockletindex/BlockletDataRefNode.java     |  1 +
 .../core/indexstore/blockletindex/IndexWrapper.java       |  1 +
 .../indexstore/blockletindex/SegmentIndexFileStore.java   |  1 +
 .../apache/carbondata/core/indexstore/row/DataMapRow.java |  1 +
 .../carbondata/core/indexstore/row/DataMapRowImpl.java    |  1 +
 .../core/indexstore/schema/CarbonRowSchema.java           |  2 ++
 .../core/indexstore/schema/SchemaGenerator.java           |  1 +
 .../impl/MultiDimKeyVarLengthVariableSplitGenerator.java  |  1 +
 .../directdictionary/DirectDictionaryGenerator.java       |  1 +
 .../DirectDictionaryKeyGeneratorFactory.java              |  1 +
 .../timestamp/DateDirectDictionaryGenerator.java          |  2 ++
 .../timestamp/TimeStampDirectDictionaryGenerator.java     |  1 +
 .../timestamp/TimeStampGranularityConstants.java          |  1 +
 .../timestamp/TimeStampGranularityTypeValue.java          |  1 +
 .../core/localdictionary/PageLevelDictionary.java         |  1 +
 .../localdictionary/dictionaryholder/DictionaryStore.java |  1 +
 .../dictionaryholder/MapBasedDictionaryStore.java         |  1 +
 .../exception/DictionaryThresholdReachedException.java    |  1 +
 .../generator/ColumnLocalDictionaryGenerator.java         |  1 +
 .../generator/LocalDictionaryGenerator.java               |  1 +
 .../apache/carbondata/core/locks/ZooKeeperLocking.java    |  1 +
 .../org/apache/carbondata/core/memory/CarbonUnsafe.java   |  1 -
 .../org/apache/carbondata/core/memory/MemoryBlock.java    |  1 -
 .../carbondata/core/memory/UnsafeSortMemoryManager.java   |  1 +
 .../carbondata/core/metadata/AbsoluteTableIdentifier.java |  1 +
 .../apache/carbondata/core/metadata/CarbonMetadata.java   |  1 +
 .../apache/carbondata/core/metadata/ColumnIdentifier.java |  1 +
 .../apache/carbondata/core/metadata/SegmentFileStore.java |  1 +
 .../carbondata/core/metadata/blocklet/DataFileFooter.java |  1 +
 .../carbondata/core/metadata/blocklet/SegmentInfo.java    |  1 +
 .../core/metadata/blocklet/datachunk/DataChunk.java       |  1 +
 .../core/metadata/converter/SchemaConverter.java          |  1 +
 .../converter/ThriftWrapperSchemaConverterImpl.java       |  2 +-
 .../carbondata/core/metadata/datatype/BinaryType.java     |  2 ++
 .../core/metadata/datatype/DecimalConverterFactory.java   |  1 +
 .../carbondata/core/metadata/datatype/StructField.java    |  1 -
 .../apache/carbondata/core/metadata/encoder/Encoding.java |  1 +
 .../carbondata/core/metadata/index/BlockIndexInfo.java    |  1 +
 .../carbondata/core/metadata/schema/SchemaEvolution.java  |  1 +
 .../core/metadata/schema/SchemaEvolutionEntry.java        |  1 +
 .../carbondata/core/metadata/schema/SchemaReader.java     |  1 +
 .../core/metadata/schema/partition/PartitionType.java     |  1 +
 .../core/metadata/schema/table/DataMapSchemaFactory.java  |  1 +
 .../core/metadata/schema/table/RelationIdentifier.java    |  1 +
 .../carbondata/core/metadata/schema/table/TableInfo.java  |  1 +
 .../core/metadata/schema/table/TableSchema.java           |  1 +
 .../core/metadata/schema/table/TableSchemaBuilder.java    |  2 --
 .../core/metadata/schema/table/column/CarbonColumn.java   |  1 +
 .../core/metadata/schema/table/column/ColumnSchema.java   |  2 ++
 .../schema/table/column/ParentColumnTableRelation.java    |  1 +
 .../org/apache/carbondata/core/mutate/DeleteDeltaVo.java  |  1 +
 .../org/apache/carbondata/core/mutate/TupleIdEnum.java    |  1 +
 .../java/org/apache/carbondata/core/mutate/UpdateVO.java  |  1 +
 .../apache/carbondata/core/preagg/AggregateQueryPlan.java |  1 +
 .../carbondata/core/preagg/AggregateTableSelector.java    |  1 +
 .../org/apache/carbondata/core/preagg/TimeSeriesUDF.java  |  1 +
 .../core/readcommitter/LatestFilesReadCommittedScope.java |  1 +
 .../carbondata/core/readcommitter/ReadCommittedScope.java |  1 +
 .../core/readcommitter/TableStatusReadCommittedScope.java |  1 +
 .../core/reader/CarbonDeleteDeltaFileReader.java          |  2 +-
 .../core/reader/CarbonDeleteFilesDataReader.java          |  3 +++
 .../apache/carbondata/core/reader/CarbonHeaderReader.java |  1 +
 .../carbondata/core/reader/CarbonIndexFileReader.java     |  2 ++
 .../reader/sortindex/CarbonDictionarySortIndexReader.java |  1 +
 .../sortindex/CarbonDictionarySortIndexReaderImpl.java    |  1 +
 .../core/scan/collector/ResultCollectorFactory.java       |  1 +
 .../core/scan/collector/ScannedResultCollector.java       |  1 +
 .../collector/impl/AbstractScannedResultCollector.java    |  1 +
 .../collector/impl/DictionaryBasedResultCollector.java    |  1 +
 .../impl/DictionaryBasedVectorResultCollector.java        |  2 +-
 .../core/scan/collector/impl/RawBasedResultCollector.java |  1 +
 .../impl/RestructureBasedDictionaryResultCollector.java   |  1 +
 .../impl/RestructureBasedRawResultCollector.java          |  1 +
 .../impl/RestructureBasedVectorResultCollector.java       |  1 +
 .../scan/collector/impl/RowIdRawBasedResultCollector.java |  1 +
 .../impl/RowIdRestructureBasedRawResultCollector.java     |  1 +
 .../carbondata/core/scan/complextypes/MapQueryType.java   |  1 +
 .../carbondata/core/scan/executor/QueryExecutor.java      |  1 +
 .../core/scan/executor/QueryExecutorFactory.java          |  1 +
 .../scan/executor/exception/QueryExecutionException.java  |  1 +
 .../core/scan/executor/impl/AbstractQueryExecutor.java    |  4 ++--
 .../core/scan/executor/impl/DetailQueryExecutor.java      |  1 +
 .../core/scan/executor/impl/QueryExecutorProperties.java  |  1 +
 .../scan/executor/impl/VectorDetailQueryExecutor.java     |  1 +
 .../core/scan/executor/infos/BlockExecutionInfo.java      |  1 +
 .../core/scan/executor/infos/DeleteDeltaInfo.java         |  1 +
 .../carbondata/core/scan/executor/infos/MeasureInfo.java  |  1 +
 .../carbondata/core/scan/executor/util/QueryUtil.java     |  1 +
 .../core/scan/executor/util/RestructureUtil.java          |  1 +
 .../carbondata/core/scan/expression/ColumnExpression.java |  1 -
 .../core/scan/expression/LiteralExpression.java           |  1 -
 .../core/scan/expression/RangeExpressionEvaluator.java    |  1 -
 .../expression/conditional/GreaterThanExpression.java     |  1 -
 .../scan/expression/conditional/ImplicitExpression.java   |  1 +
 .../exception/FilterIllegalMemberException.java           |  1 -
 .../core/scan/expression/logical/FalseExpression.java     |  4 +---
 .../core/scan/expression/logical/TrueExpression.java      |  1 +
 .../carbondata/core/scan/filter/ColumnFilterInfo.java     |  2 ++
 .../carbondata/core/scan/filter/FilterExecutorUtil.java   |  1 +
 .../core/scan/filter/FilterExpressionProcessor.java       |  1 +
 .../apache/carbondata/core/scan/filter/FilterUtil.java    |  5 +----
 .../core/scan/filter/executer/AndFilterExecuterImpl.java  |  1 +
 .../core/scan/filter/executer/BitSetUpdaterFactory.java   |  1 +
 .../scan/filter/executer/DimColumnExecuterFilterInfo.java |  1 +
 .../scan/filter/executer/ExcludeFilterExecuterImpl.java   |  3 +++
 .../core/scan/filter/executer/FalseFilterExecutor.java    |  1 +
 .../core/scan/filter/executer/FilterBitSetUpdater.java    |  1 +
 .../core/scan/filter/executer/FilterExecuter.java         |  1 +
 .../filter/executer/ImplicitColumnFilterExecutor.java     |  1 +
 .../scan/filter/executer/IncludeFilterExecuterImpl.java   |  2 ++
 .../filter/executer/MeasureColumnExecuterFilterInfo.java  |  1 +
 .../core/scan/filter/executer/OrFilterExecuterImpl.java   |  1 +
 .../filter/executer/RangeValueFilterExecuterImpl.java     |  2 --
 .../executer/RestructureExcludeFilterExecutorImpl.java    |  1 +
 .../executer/RestructureIncludeFilterExecutorImpl.java    |  1 +
 .../scan/filter/executer/RowLevelFilterExecuterImpl.java  |  1 +
 .../executer/RowLevelRangeGrtThanFiterExecuterImpl.java   |  1 +
 .../RowLevelRangeGrtrThanEquaToFilterExecuterImpl.java    |  2 +-
 .../RowLevelRangeLessThanEqualFilterExecuterImpl.java     |  1 +
 .../executer/RowLevelRangeLessThanFilterExecuterImpl.java |  2 +-
 .../filter/executer/RowLevelRangeTypeExecuterFactory.java |  1 +
 .../core/scan/filter/intf/FilterExecuterType.java         |  1 +
 .../filter/resolver/ConditionalFilterResolverImpl.java    |  2 +-
 .../core/scan/filter/resolver/FilterResolverIntf.java     |  1 +
 .../scan/filter/resolver/LogicalFilterResolverImpl.java   |  1 +
 .../filter/resolver/RowLevelRangeFilterResolverImpl.java  |  1 -
 .../filter/resolver/metadata/FilterResolverMetadata.java  |  1 +
 .../resolverinfo/FalseConditionalResolverImpl.java        |  1 +
 .../resolverinfo/MeasureColumnResolvedFilterInfo.java     |  1 -
 .../resolverinfo/visitor/CustomTypeDictionaryVisitor.java |  1 +
 .../resolverinfo/visitor/DictionaryColumnVisitor.java     |  1 +
 .../visitor/FilterInfoTypeVisitorFactory.java             |  1 +
 .../resolverinfo/visitor/ImplicitColumnVisitor.java       |  1 +
 .../resolverinfo/visitor/MeasureColumnVisitor.java        |  1 +
 .../resolverinfo/visitor/NoDictionaryTypeVisitor.java     |  1 +
 .../visitor/ResolvedFilterInfoVisitorIntf.java            |  2 +-
 .../carbondata/core/scan/model/ProjectionColumn.java      |  1 +
 .../apache/carbondata/core/scan/processor/BlockScan.java  |  1 +
 .../carbondata/core/scan/processor/DataBlockIterator.java |  2 +-
 .../core/scan/processor/RawBlockletColumnChunks.java      |  1 +
 .../core/scan/result/BlockletScannedResult.java           |  2 +-
 .../core/scan/result/impl/FilterQueryScannedResult.java   |  1 +
 .../scan/result/impl/NonFilterQueryScannedResult.java     |  1 +
 .../iterator/AbstractDetailQueryResultIterator.java       |  1 +
 .../result/iterator/ColumnDriftRawResultIterator.java     |  1 +
 .../scan/result/iterator/DetailQueryResultIterator.java   |  1 +
 .../iterator/PartitionSpliterRawResultIterator.java       |  1 +
 .../core/scan/result/iterator/RawResultIterator.java      |  1 +
 .../result/iterator/VectorDetailQueryResultIterator.java  |  1 +
 .../core/scan/result/vector/CarbonColumnVector.java       |  1 -
 .../core/scan/result/vector/CarbonDictionary.java         |  1 +
 .../core/scan/result/vector/ColumnVectorInfo.java         |  1 +
 .../scan/result/vector/MeasureDataVectorProcessor.java    |  2 ++
 .../scan/result/vector/impl/CarbonColumnVectorImpl.java   |  2 +-
 .../scan/result/vector/impl/CarbonDictionaryImpl.java     |  1 +
 .../ColumnarVectorWrapperDirectWithInvertedIndex.java     |  1 -
 .../carbondata/core/scan/scanner/BlockletScanner.java     |  1 +
 .../carbondata/core/scan/scanner/LazyPageLoader.java      |  1 +
 .../core/scan/scanner/impl/BlockletFullScanner.java       |  1 +
 .../carbondata/core/scan/wrappers/ByteArrayWrapper.java   |  2 +-
 .../carbondata/core/service/CarbonCommonFactory.java      |  1 +
 .../carbondata/core/service/ColumnUniqueIdService.java    |  1 +
 .../apache/carbondata/core/service/DictionaryService.java |  1 +
 .../core/service/impl/ColumnUniqueIdGenerator.java        |  1 +
 .../carbondata/core/service/impl/DictionaryFactory.java   |  1 +
 .../core/stats/DriverQueryStatisticsRecorderDummy.java    |  1 +
 .../core/stats/DriverQueryStatisticsRecorderImpl.java     |  1 +
 .../org/apache/carbondata/core/stats/QueryStatistic.java  |  1 +
 .../carbondata/core/stats/QueryStatisticsRecorder.java    |  1 +
 .../core/stats/QueryStatisticsRecorderDummy.java          |  1 +
 .../core/stats/QueryStatisticsRecorderImpl.java           |  1 +
 .../core/statusmanager/SegmentStatusManager.java          |  1 -
 .../core/statusmanager/SegmentUpdateStatusManager.java    |  2 +-
 .../core/stream/ExtendedByteArrayOutputStream.java        |  1 +
 .../core/util/AbstractDataFileFooterConverter.java        |  3 +--
 .../java/org/apache/carbondata/core/util/BitSetGroup.java |  1 +
 .../java/org/apache/carbondata/core/util/ByteUtil.java    |  1 -
 .../apache/carbondata/core/util/CarbonMetadataUtil.java   |  3 +++
 .../org/apache/carbondata/core/util/CarbonProperties.java |  1 +
 .../org/apache/carbondata/core/util/CarbonTaskInfo.java   |  1 +
 .../apache/carbondata/core/util/CarbonThreadFactory.java  |  1 +
 .../java/org/apache/carbondata/core/util/CarbonUtil.java  |  9 ++++-----
 .../carbondata/core/util/DataFileFooterConverter.java     |  1 +
 .../carbondata/core/util/DataFileFooterConverter2.java    |  1 +
 .../core/util/DataFileFooterConverterFactory.java         |  1 +
 .../carbondata/core/util/DataFileFooterConverterV3.java   |  1 +
 .../apache/carbondata/core/util/DataTypeConverter.java    |  8 ++++++++
 .../org/apache/carbondata/core/util/DataTypeUtil.java     |  1 -
 .../carbondata/core/util/ObjectSerializationUtil.java     |  2 +-
 .../org/apache/carbondata/core/util/SessionParams.java    |  1 +
 .../org/apache/carbondata/core/util/TaskMetricsMap.java   |  1 -
 .../apache/carbondata/core/util/ThreadLocalTaskInfo.java  |  2 +-
 .../apache/carbondata/core/util/path/CarbonTablePath.java |  1 +
 .../carbondata/core/writer/CarbonDeleteDeltaWriter.java   |  1 +
 .../carbondata/core/writer/CarbonDictionaryWriter.java    |  2 +-
 .../core/writer/CarbonIndexFileMergeWriter.java           |  1 +
 .../carbondata/core/writer/CarbonIndexFileWriter.java     |  1 +
 .../writer/sortindex/CarbonDictionarySortIndexWriter.java |  1 +
 .../sortindex/CarbonDictionarySortIndexWriterImpl.java    |  1 +
 .../core/writer/sortindex/CarbonDictionarySortInfo.java   |  1 +
 .../sortindex/CarbonDictionarySortInfoPreparator.java     |  1 +
 .../core/writer/sortindex/CarbonDictionarySortModel.java  |  1 +
 .../org/apache/carbondata/events/OperationContext.java    |  1 +
 .../apache/carbondata/events/OperationEventListener.java  |  1 +
 .../org/apache/carbondata/hadoop/CarbonInputSplit.java    |  3 +--
 .../carbondata/hadoop/internal/ObjectArrayWritable.java   |  1 +
 .../apache/carbondata/core/cache/CarbonLRUCacheTest.java  |  1 +
 .../cache/dictionary/AbstractDictionaryCacheTest.java     |  1 +
 .../dictionary/ColumnDictionaryChunkIteratorTest.java     |  1 +
 .../core/cache/dictionary/ColumnDictionaryInfoTest.java   |  1 +
 .../cache/dictionary/ColumnReverseDictionaryInfoTest.java |  1 +
 .../cache/dictionary/DictionaryByteArrayWrapperTest.java  |  1 +
 .../cache/dictionary/DictionaryCacheLoaderImplTest.java   |  1 +
 .../cache/dictionary/DictionaryChunksWrapperTest.java     |  1 +
 .../dictionary/DictionaryColumnUniqueIdentifierTest.java  |  1 +
 .../core/cache/dictionary/ForwardDictionaryTest.java      |  1 +
 .../core/cache/dictionary/ReverseDictionaryTest.java      |  1 +
 .../carbondata/core/carbon/CarbonTableIdentifierTest.java |  1 +
 .../carbondata/core/carbon/ColumnIdentifierTest.java      |  1 +
 .../filesystem/store/impl/DFSFileReaderImplUnitTest.java  |  1 +
 .../filesystem/store/impl/FileReaderImplUnitTest.java     |  1 +
 .../carbondata/core/datastore/CompressdFileTest.java      |  1 +
 .../carbondata/core/datastore/block/BlockInfoTest.java    |  1 +
 .../core/datastore/block/SegmentPropertiesTest.java       |  1 +
 .../core/datastore/block/SegmentPropertiesTestUtil.java   |  1 +
 .../core/datastore/block/TableBlockInfoTest.java          |  1 +
 .../core/datastore/block/TableTaskInfoTest.java           |  1 +
 .../columnar/ColumnarKeyStoreDataHolderUnitTest.java      |  1 +
 .../core/datastore/page/encoding/RLECodecTest.java        |  1 +
 .../DateDirectDictionaryGeneratorTest.java                |  1 +
 .../core/localdictionary/TestDictionaryStore.java         |  1 +
 .../localdictionary/TestLocalDictionaryGenerator.java     |  1 +
 .../core/localdictionary/TestPageLevelDictionary.java     |  1 +
 .../carbondata/core/metadata/CarbonMetadataTest.java      |  1 +
 .../converter/ThriftWrapperSchemaConverterImplTest.java   |  1 +
 .../core/metadata/schema/table/CarbonTableTest.java       |  1 +
 .../schema/table/CarbonTableWithComplexTypesTest.java     |  1 +
 .../core/metadata/schema/table/TableInfoTest.java         |  1 +
 .../core/metadata/schema/table/TableSchemaTest.java       |  1 +
 .../CarbonDictionarySortIndexReaderImplTest.java          |  1 +
 .../core/scan/complextypes/ArrayQueryTypeTest.java        |  1 +
 .../core/scan/complextypes/PrimitiveQueryTypeTest.java    |  1 +
 .../carbondata/core/scan/executor/util/QueryUtilTest.java |  1 +
 .../core/scan/executor/util/RestructureUtilTest.java      |  1 +
 .../core/scan/expression/ExpressionResultTest.java        |  1 +
 .../expression/conditional/EqualToExpressionUnitTest.java |  1 +
 .../conditional/GreaterThanEqualToExpressionUnitTest.java |  1 +
 .../conditional/GreaterThanExpressionUnitTest.java        |  1 +
 .../scan/expression/conditional/InExpressionUnitTest.java |  1 +
 .../conditional/LessThanEqualToExpressionUnitTest.java    |  1 +
 .../conditional/LessThanExpressionUnitTest.java           |  1 +
 .../expression/conditional/ListExpressionUnitTest.java    |  1 +
 .../conditional/NotEqualsExpressionUnitTest.java          |  1 +
 .../expression/conditional/NotInExpressionUnitTest.java   |  1 +
 .../carbondata/core/scan/filter/FilterUtilTest.java       |  1 +
 .../filter/executer/ExcludeFilterExecuterImplTest.java    |  1 +
 .../filter/executer/IncludeFilterExecuterImplTest.java    |  1 +
 .../apache/carbondata/core/scan/result/RowBatchTest.java  |  1 +
 .../core/scan/wrappers/ByteArrayWrapperTest.java          |  1 +
 .../core/stats/DriverQueryStatisticsRecorderImplTest.java |  1 +
 .../org/apache/carbondata/core/util/ByteUtilTest.java     |  1 +
 .../org/apache/carbondata/core/util/CarbonUtilTest.java   |  1 +
 .../CarbonDictionarySortIndexWriterImplTest.java          |  1 +
 .../sortindex/CarbonDictionarySortInfoPreparatorTest.java |  1 +
 .../writer/sortindex/CarbonDictionarySortModelTest.java   |  1 +
 .../carbondata/datamap/bloom/BloomCacheKeyValue.java      |  1 +
 .../carbondata/datamap/bloom/BloomCoarseGrainDataMap.java |  1 -
 .../datamap/bloom/BloomCoarseGrainDataMapFactory.java     |  2 +-
 .../carbondata/datamap/bloom/BloomDataMapCache.java       |  1 +
 .../carbondata/datamap/bloom/BloomDataMapModel.java       |  1 +
 .../carbondata/datamap/bloom/BloomDataMapWriter.java      |  1 +
 .../carbondata/datamap/bloom/BloomIndexFileStore.java     |  3 +--
 .../org/apache/hadoop/util/bloom/CarbonBloomFilter.java   |  1 +
 .../datamap/lucene/LuceneDataMapFactoryBase.java          |  1 +
 dev/javastyle-config.xml                                  |  2 +-
 .../apache/carbondata/hadoop/AbstractRecordReader.java    |  1 +
 .../org/apache/carbondata/hadoop/CacheAccessClient.java   |  1 +
 .../org/apache/carbondata/hadoop/CarbonProjection.java    |  1 +
 .../org/apache/carbondata/hadoop/CarbonRecordReader.java  |  1 +
 .../carbondata/hadoop/api/CarbonFileInputFormat.java      |  1 -
 .../apache/carbondata/hadoop/api/CarbonInputFormat.java   |  2 --
 .../carbondata/hadoop/api/CarbonTableInputFormat.java     |  2 +-
 .../carbondata/hadoop/readsupport/CarbonReadSupport.java  |  1 +
 .../readsupport/impl/DictionaryDecodeReadSupport.java     |  1 +
 .../carbondata/hadoop/stream/CarbonStreamUtils.java       |  1 +
 .../apache/carbondata/hadoop/testutil/StoreCreator.java   |  1 +
 .../hadoop/util/CarbonVectorizedRecordReader.java         |  2 --
 .../carbondata/hadoop/ft/CarbonTableOutputFormatTest.java |  1 +
 .../org/apache/carbondata/hive/CarbonArrayInspector.java  |  1 +
 .../hive/CarbonDictionaryDecodeReadSupport.java           |  1 +
 .../org/apache/carbondata/hive/CarbonHiveInputSplit.java  |  1 +
 .../apache/carbondata/hive/CarbonHiveRecordReader.java    |  1 +
 .../java/org/apache/carbondata/hive/CarbonHiveSerDe.java  |  1 +
 .../org/apache/carbondata/hive/CarbonObjectInspector.java |  1 +
 .../apache/carbondata/hive/MapredCarbonInputFormat.java   |  1 +
 .../apache/carbondata/hive/MapredCarbonOutputFormat.java  |  1 +
 .../java/org/apache/carbondata/hive/TestCarbonSerDe.java  |  1 +
 .../org/apache/carbondata/presto/CarbonVectorBatch.java   |  1 +
 .../carbondata/presto/CarbondataColumnConstraint.java     |  1 -
 .../carbondata/presto/ColumnarVectorWrapperDirect.java    |  1 -
 .../presto/PrestoCarbonVectorizedRecordReader.java        |  1 +
 .../org/apache/carbondata/presto/PrestoFilterUtil.java    |  1 -
 .../src/main/java/org/apache/carbondata/presto/Types.java |  1 +
 .../carbondata/presto/impl/CarbonLocalInputSplit.java     |  1 -
 .../apache/carbondata/presto/impl/CarbonTableConfig.java  |  4 ++--
 .../carbondata/presto/readers/ByteStreamReader.java       |  1 -
 .../presto/readers/DecimalSliceStreamReader.java          |  3 ---
 .../carbondata/presto/readers/FloatStreamReader.java      |  1 -
 .../carbondata/presto/readers/SliceStreamReader.java      |  3 +--
 .../spark/dictionary/client/SecureDictionaryClient.java   |  1 +
 .../dictionary/client/SecureDictionaryClientHandler.java  |  1 +
 .../spark/dictionary/server/SecureDictionaryServer.java   |  1 +
 .../dictionary/server/SecureDictionaryServerHandler.java  |  1 +
 .../org/apache/carbondata/spark/InitInputMetrics.java     |  1 -
 .../spark/vectorreader/VectorizedCarbonRecordReader.java  |  9 +++------
 .../org/apache/spark/sql/CarbonDictionaryWrapper.java     |  1 +
 .../org/apache/spark/sql/CarbonVectorProxy.java           |  1 +
 .../org/apache/spark/sql/CarbonDictionaryWrapper.java     |  1 +
 .../org/apache/spark/sql/CarbonVectorProxy.java           |  9 ++++-----
 .../org/apache/spark/sql/ColumnVectorFactory.java         |  3 +--
 .../org/apache/carbondata/datamap/DataMapManager.java     |  1 -
 .../spark/readsupport/SparkRowReadSupportImpl.java        |  1 +
 .../carbondata/processing/datatypes/ArrayDataType.java    |  1 -
 .../processing/loading/CarbonDataLoadConfiguration.java   |  2 --
 .../carbondata/processing/loading/FailureCauses.java      |  1 +
 .../processing/loading/converter/BadRecordLogHolder.java  |  1 +
 .../processing/loading/converter/RowConverter.java        |  3 +++
 .../impl/AbstractDictionaryFieldConverterImpl.java        |  1 +
 .../loading/converter/impl/BinaryFieldConverterImpl.java  |  1 +
 .../loading/converter/impl/FieldEncoderFactory.java       |  2 +-
 .../loading/converter/impl/MeasureFieldConverterImpl.java |  1 +
 .../converter/impl/NonDictionaryFieldConverterImpl.java   |  1 +
 .../loading/converter/impl/RowConverterImpl.java          |  1 +
 .../processing/loading/csvinput/BoundedInputStream.java   |  1 +
 .../processing/loading/csvinput/CSVInputFormat.java       |  2 +-
 .../processing/loading/csvinput/StringArrayWritable.java  |  1 +
 .../dictionary/DictionaryServerClientDictionary.java      |  1 +
 .../processing/loading/dictionary/DirectDictionary.java   |  1 +
 .../carbondata/processing/loading/events/LoadEvents.java  |  3 ++-
 .../loading/exception/BadRecordFoundException.java        |  2 +-
 .../processing/loading/jsoninput/JsonInputFormat.java     |  1 +
 .../processing/loading/jsoninput/JsonStreamReader.java    |  1 +
 .../processing/loading/model/CarbonDataLoadSchema.java    |  1 +
 .../processing/loading/model/CarbonLoadModel.java         |  5 +++--
 .../processing/loading/model/CarbonLoadModelBuilder.java  |  1 -
 .../processing/loading/parser/CarbonParserFactory.java    |  1 +
 .../processing/loading/parser/ComplexParser.java          |  1 +
 .../processing/loading/parser/GenericParser.java          |  1 +
 .../carbondata/processing/loading/parser/RowParser.java   |  1 +
 .../processing/loading/parser/impl/ArrayParserImpl.java   |  1 +
 .../processing/loading/parser/impl/JsonRowParser.java     |  1 +
 .../processing/loading/parser/impl/MapParserImpl.java     |  3 +--
 .../loading/parser/impl/PrimitiveParserImpl.java          |  1 +
 .../loading/parser/impl/RangeColumnParserImpl.java        |  1 +
 .../processing/loading/parser/impl/RowParserImpl.java     |  1 +
 .../processing/loading/parser/impl/StructParserImpl.java  |  1 +
 .../processing/loading/row/CarbonSortBatch.java           |  1 +
 .../processing/loading/row/IntermediateSortTempRow.java   |  1 +
 .../processing/loading/sort/AbstractMergeSorter.java      |  1 +
 .../apache/carbondata/processing/loading/sort/Sorter.java |  1 +
 .../loading/sort/impl/ParallelReadMergeSorterImpl.java    |  1 +
 .../impl/ParallelReadMergeSorterWithColumnRangeImpl.java  |  1 +
 .../sort/impl/UnsafeBatchParallelReadMergeSorterImpl.java |  1 +
 .../sort/impl/UnsafeParallelReadMergeSorterImpl.java      |  1 +
 .../sort/unsafe/holder/UnsafeCarbonRowForMerge.java       |  1 +
 .../sort/unsafe/holder/UnsafeInmemoryMergeHolder.java     |  1 +
 .../sort/unsafe/merger/UnsafeIntermediateMerger.java      |  1 +
 .../processing/loading/sort/unsafe/sort/TimSort.java      |  1 +
 .../loading/sort/unsafe/sort/UnsafeIntSortDataFormat.java |  1 +
 .../steps/CarbonRowDataWriterProcessorStepImpl.java       |  1 +
 .../loading/steps/DataConverterProcessorStepImpl.java     |  3 ++-
 .../loading/steps/DataWriterBatchProcessorStepImpl.java   |  1 +
 .../loading/steps/DataWriterProcessorStepImpl.java        |  1 +
 .../processing/loading/steps/InputProcessorStepImpl.java  |  1 +
 .../steps/InputProcessorStepWithNoConverterImpl.java      |  2 +-
 .../loading/steps/JsonInputProcessorStepImpl.java         |  1 +
 .../processing/loading/steps/SortProcessorStepImpl.java   |  1 +
 .../processing/merger/CarbonCompactionExecutor.java       |  1 +
 .../processing/merger/CarbonCompactionUtil.java           |  1 +
 .../processing/merger/CarbonDataMergerUtil.java           |  2 --
 .../processing/merger/CompactionResultSortProcessor.java  |  1 +
 .../carbondata/processing/merger/CompactionType.java      |  1 +
 .../carbondata/processing/merger/NodeBlockRelation.java   |  1 +
 .../processing/merger/NodeMultiBlockRelation.java         |  1 +
 .../processing/merger/RowResultMergerProcessor.java       |  1 +
 .../processing/partition/spliter/RowResultProcessor.java  |  2 +-
 .../sort/sortdata/InMemorySortTempChunkHolder.java        |  1 +
 .../sort/sortdata/NewRowComparatorForNormalDims.java      |  1 +
 .../sort/sortdata/SortIntermediateFileMerger.java         |  1 +
 .../processing/sort/sortdata/SortParameters.java          |  2 +-
 .../processing/sort/sortdata/TableFieldStat.java          |  1 -
 .../processing/store/CarbonFactDataHandlerModel.java      |  1 +
 .../processing/store/writer/AbstractFactDataWriter.java   |  2 --
 .../processing/store/writer/v3/BlockletDataHolder.java    |  1 +
 .../store/writer/v3/CarbonFactDataWriterImplV3.java       |  3 +--
 .../org/apache/carbondata/processing/util/Auditor.java    |  1 -
 .../processing/util/CarbonDataProcessorUtil.java          |  3 +--
 .../carbondata/processing/util/CarbonLoaderUtil.java      |  3 ++-
 .../timestamp/TimeStampDirectDictionaryGeneratorTest.java |  1 +
 .../apache/carbondata/lcm/locks/LocalFileLockTest.java    |  1 +
 .../apache/carbondata/lcm/locks/ZooKeeperLockingTest.java |  1 +
 .../processing/loading/csvinput/CSVInputFormatTest.java   |  1 +
 .../carbondata/processing/util/CarbonLoaderUtilTest.java  |  1 +
 .../apache/carbondata/sdk/file/CarbonReaderBuilder.java   |  1 -
 .../apache/carbondata/sdk/file/CarbonWriterBuilder.java   |  1 -
 .../main/java/org/apache/carbondata/sdk/file/Field.java   |  2 --
 .../carbondata/sdk/file/arrow/ArrowFieldWriter.java       |  1 +
 .../org/apache/carbondata/sdk/file/arrow/ArrowUtils.java  |  1 +
 .../org/apache/carbondata/sdk/file/arrow/ArrowWriter.java |  1 +
 .../org/apache/carbondata/sdk/file/utils/SDKUtil.java     |  1 -
 .../apache/carbondata/streaming/StreamBlockletWriter.java |  1 -
 .../carbondata/streaming/segment/StreamSegment.java       |  1 -
 .../main/java/org/apache/carbondata/tool/CarbonCli.java   |  3 ---
 .../main/java/org/apache/carbondata/tool/DataSummary.java |  1 +
 .../java/org/apache/carbondata/tool/FileCollector.java    |  1 -
 539 files changed, 554 insertions(+), 157 deletions(-)

diff --git a/core/src/main/java/org/apache/carbondata/core/cache/dictionary/AbstractDictionaryCache.java b/core/src/main/java/org/apache/carbondata/core/cache/dictionary/AbstractDictionaryCache.java
index 067f344..23b98a6 100644
--- a/core/src/main/java/org/apache/carbondata/core/cache/dictionary/AbstractDictionaryCache.java
+++ b/core/src/main/java/org/apache/carbondata/core/cache/dictionary/AbstractDictionaryCache.java
@@ -50,7 +50,6 @@ public abstract class AbstractDictionaryCache<K extends DictionaryColumnUniqueId
    */
   protected CarbonLRUCache carbonLRUCache;
 
-
   /**
    * @param carbonLRUCache
    */
@@ -64,7 +63,6 @@ public abstract class AbstractDictionaryCache<K extends DictionaryColumnUniqueId
     throw new UnsupportedOperationException("Operation not supported");
   }
 
-
   /**
    * This method will initialize the thread pool size to be used for creating the
    * max number of threads for a job
diff --git a/core/src/main/java/org/apache/carbondata/core/cache/dictionary/ColumnDictionaryInfo.java b/core/src/main/java/org/apache/carbondata/core/cache/dictionary/ColumnDictionaryInfo.java
index 1bbc388..08791a9 100644
--- a/core/src/main/java/org/apache/carbondata/core/cache/dictionary/ColumnDictionaryInfo.java
+++ b/core/src/main/java/org/apache/carbondata/core/cache/dictionary/ColumnDictionaryInfo.java
@@ -28,6 +28,7 @@ import org.apache.carbondata.core.metadata.datatype.DataTypes;
 import org.apache.carbondata.core.util.ByteUtil;
 import org.apache.carbondata.core.util.CarbonUtil;
 import org.apache.carbondata.core.util.DataTypeUtil;
+
 /**
  * class that implements methods specific for dictionary data look up
  */
diff --git a/core/src/main/java/org/apache/carbondata/core/cache/dictionary/DictionaryChunksWrapper.java b/core/src/main/java/org/apache/carbondata/core/cache/dictionary/DictionaryChunksWrapper.java
index ddc4e50..cf11f46 100644
--- a/core/src/main/java/org/apache/carbondata/core/cache/dictionary/DictionaryChunksWrapper.java
+++ b/core/src/main/java/org/apache/carbondata/core/cache/dictionary/DictionaryChunksWrapper.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.cache.dictionary;
 
 import java.util.Iterator;
diff --git a/core/src/main/java/org/apache/carbondata/core/cache/dictionary/ReverseDictionaryCache.java b/core/src/main/java/org/apache/carbondata/core/cache/dictionary/ReverseDictionaryCache.java
index d4e617d..f88da3e 100644
--- a/core/src/main/java/org/apache/carbondata/core/cache/dictionary/ReverseDictionaryCache.java
+++ b/core/src/main/java/org/apache/carbondata/core/cache/dictionary/ReverseDictionaryCache.java
@@ -63,7 +63,6 @@ public class ReverseDictionaryCache<K extends DictionaryColumnUniqueIdentifier,
 
   private static final long byteArraySize = ObjectSizeCalculator.estimate(new byte[0], 16);
 
-
   /**
    * @param carbonLRUCache
    */
diff --git a/core/src/main/java/org/apache/carbondata/core/constants/CarbonCommonConstantsInternal.java b/core/src/main/java/org/apache/carbondata/core/constants/CarbonCommonConstantsInternal.java
index cfcbe44..5111d25 100644
--- a/core/src/main/java/org/apache/carbondata/core/constants/CarbonCommonConstantsInternal.java
+++ b/core/src/main/java/org/apache/carbondata/core/constants/CarbonCommonConstantsInternal.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.constants;
 
 /**
diff --git a/core/src/main/java/org/apache/carbondata/core/constants/CarbonV3DataFormatConstants.java b/core/src/main/java/org/apache/carbondata/core/constants/CarbonV3DataFormatConstants.java
index 3b9a208..1dbf470 100644
--- a/core/src/main/java/org/apache/carbondata/core/constants/CarbonV3DataFormatConstants.java
+++ b/core/src/main/java/org/apache/carbondata/core/constants/CarbonV3DataFormatConstants.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.constants;
 
 import org.apache.carbondata.core.util.annotations.CarbonProperty;
diff --git a/core/src/main/java/org/apache/carbondata/core/datamap/DataMapChooser.java b/core/src/main/java/org/apache/carbondata/core/datamap/DataMapChooser.java
index 4410998..8fcdc74 100644
--- a/core/src/main/java/org/apache/carbondata/core/datamap/DataMapChooser.java
+++ b/core/src/main/java/org/apache/carbondata/core/datamap/DataMapChooser.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datamap;
 
 import java.io.IOException;
@@ -263,7 +264,6 @@ public class DataMapChooser {
     return new ExpressionTuple();
   }
 
-
   private void extractColumnExpression(Expression expression,
       List<ColumnExpression> columnExpressions) {
     if (expression instanceof ColumnExpression) {
diff --git a/core/src/main/java/org/apache/carbondata/core/datamap/DataMapDistributable.java b/core/src/main/java/org/apache/carbondata/core/datamap/DataMapDistributable.java
index 5cd8c40..2955e4f 100644
--- a/core/src/main/java/org/apache/carbondata/core/datamap/DataMapDistributable.java
+++ b/core/src/main/java/org/apache/carbondata/core/datamap/DataMapDistributable.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datamap;
 
 import java.io.IOException;
diff --git a/core/src/main/java/org/apache/carbondata/core/datamap/DataMapJob.java b/core/src/main/java/org/apache/carbondata/core/datamap/DataMapJob.java
index 326282d..5bcc8d0 100644
--- a/core/src/main/java/org/apache/carbondata/core/datamap/DataMapJob.java
+++ b/core/src/main/java/org/apache/carbondata/core/datamap/DataMapJob.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datamap;
 
 import java.io.Serializable;
diff --git a/core/src/main/java/org/apache/carbondata/core/datamap/DataMapLevel.java b/core/src/main/java/org/apache/carbondata/core/datamap/DataMapLevel.java
index 2c9672a..2e064f5 100644
--- a/core/src/main/java/org/apache/carbondata/core/datamap/DataMapLevel.java
+++ b/core/src/main/java/org/apache/carbondata/core/datamap/DataMapLevel.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datamap;
 
 import org.apache.carbondata.common.annotations.InterfaceAudience;
diff --git a/core/src/main/java/org/apache/carbondata/core/datamap/DataMapStoreManager.java b/core/src/main/java/org/apache/carbondata/core/datamap/DataMapStoreManager.java
index 0f0a62f..468dc55 100644
--- a/core/src/main/java/org/apache/carbondata/core/datamap/DataMapStoreManager.java
+++ b/core/src/main/java/org/apache/carbondata/core/datamap/DataMapStoreManager.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datamap;
 
 import java.io.IOException;
@@ -164,7 +165,6 @@ public final class DataMapStoreManager {
     return provider.retrieveAllSchemas();
   }
 
-
   public DataMapSchema getDataMapSchema(String dataMapName)
       throws NoSuchDataMapException, IOException {
     return provider.retrieveSchema(dataMapName);
diff --git a/core/src/main/java/org/apache/carbondata/core/datamap/DistributableDataMapFormat.java b/core/src/main/java/org/apache/carbondata/core/datamap/DistributableDataMapFormat.java
index a4d02cb..ea2f663 100644
--- a/core/src/main/java/org/apache/carbondata/core/datamap/DistributableDataMapFormat.java
+++ b/core/src/main/java/org/apache/carbondata/core/datamap/DistributableDataMapFormat.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datamap;
 
 import java.io.DataInput;
diff --git a/core/src/main/java/org/apache/carbondata/core/datamap/Segment.java b/core/src/main/java/org/apache/carbondata/core/datamap/Segment.java
index 38d6e9d..532fd74 100644
--- a/core/src/main/java/org/apache/carbondata/core/datamap/Segment.java
+++ b/core/src/main/java/org/apache/carbondata/core/datamap/Segment.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datamap;
 
 import java.io.DataInput;
diff --git a/core/src/main/java/org/apache/carbondata/core/datamap/SegmentDataMapGroup.java b/core/src/main/java/org/apache/carbondata/core/datamap/SegmentDataMapGroup.java
index 1592d25..0e0e774 100644
--- a/core/src/main/java/org/apache/carbondata/core/datamap/SegmentDataMapGroup.java
+++ b/core/src/main/java/org/apache/carbondata/core/datamap/SegmentDataMapGroup.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datamap;
 
 import java.io.Serializable;
diff --git a/core/src/main/java/org/apache/carbondata/core/datamap/TableDataMap.java b/core/src/main/java/org/apache/carbondata/core/datamap/TableDataMap.java
index d63a39c..9182c70 100644
--- a/core/src/main/java/org/apache/carbondata/core/datamap/TableDataMap.java
+++ b/core/src/main/java/org/apache/carbondata/core/datamap/TableDataMap.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datamap;
 
 import java.io.IOException;
@@ -348,6 +349,7 @@ public final class TableDataMap extends OperationEventListener {
     }
     return pruneBlocklets;
   }
+
   /**
    * This is used for making the datamap distributable.
    * It takes the valid segments and returns all the datamaps as distributable objects so that
@@ -442,6 +444,7 @@ public final class TableDataMap extends OperationEventListener {
       dataMapFactory.deleteDatamapData(segment);
     }
   }
+
   /**
    * delete datamap data if any
    */
diff --git a/core/src/main/java/org/apache/carbondata/core/datamap/dev/BlockletSerializer.java b/core/src/main/java/org/apache/carbondata/core/datamap/dev/BlockletSerializer.java
index ebcf972..7c8e63e 100644
--- a/core/src/main/java/org/apache/carbondata/core/datamap/dev/BlockletSerializer.java
+++ b/core/src/main/java/org/apache/carbondata/core/datamap/dev/BlockletSerializer.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datamap.dev;
 
 import java.io.DataInputStream;
diff --git a/core/src/main/java/org/apache/carbondata/core/datamap/dev/DataMap.java b/core/src/main/java/org/apache/carbondata/core/datamap/dev/DataMap.java
index adc74b9..2d1944b 100644
--- a/core/src/main/java/org/apache/carbondata/core/datamap/dev/DataMap.java
+++ b/core/src/main/java/org/apache/carbondata/core/datamap/dev/DataMap.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datamap.dev;
 
 import java.io.IOException;
diff --git a/core/src/main/java/org/apache/carbondata/core/datamap/dev/DataMapBuilder.java b/core/src/main/java/org/apache/carbondata/core/datamap/dev/DataMapBuilder.java
index c96d4a0..45f7fa9 100644
--- a/core/src/main/java/org/apache/carbondata/core/datamap/dev/DataMapBuilder.java
+++ b/core/src/main/java/org/apache/carbondata/core/datamap/dev/DataMapBuilder.java
@@ -35,6 +35,7 @@ public interface DataMapBuilder {
   void finish() throws IOException;
 
   void close() throws IOException;
+
   /**
    * whether create index on internal carbon bytes (such as dictionary encoded) or original value
    */
diff --git a/core/src/main/java/org/apache/carbondata/core/datamap/dev/DataMapFactory.java b/core/src/main/java/org/apache/carbondata/core/datamap/dev/DataMapFactory.java
index 1116525..f4e9dd9 100644
--- a/core/src/main/java/org/apache/carbondata/core/datamap/dev/DataMapFactory.java
+++ b/core/src/main/java/org/apache/carbondata/core/datamap/dev/DataMapFactory.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datamap.dev;
 
 import java.io.IOException;
@@ -35,6 +36,7 @@ import org.apache.carbondata.core.metadata.schema.table.CarbonTable;
 import org.apache.carbondata.core.metadata.schema.table.DataMapSchema;
 import org.apache.carbondata.core.metadata.schema.table.column.CarbonColumn;
 import org.apache.carbondata.events.Event;
+
 import static org.apache.carbondata.core.constants.CarbonCommonConstants.INDEX_COLUMNS;
 
 /**
@@ -67,6 +69,7 @@ public abstract class DataMapFactory<T extends DataMap> {
    */
   public abstract DataMapWriter createWriter(Segment segment, String shardName,
       SegmentProperties segmentProperties) throws IOException;
+
   /**
    * Create a new DataMapBuilder for this datamap, to rebuild the specified
    * segment and shard data in the main table.
diff --git a/core/src/main/java/org/apache/carbondata/core/datamap/dev/DataMapSyncStatus.java b/core/src/main/java/org/apache/carbondata/core/datamap/dev/DataMapSyncStatus.java
index d7d60d2..c4f790a 100644
--- a/core/src/main/java/org/apache/carbondata/core/datamap/dev/DataMapSyncStatus.java
+++ b/core/src/main/java/org/apache/carbondata/core/datamap/dev/DataMapSyncStatus.java
@@ -17,7 +17,6 @@
 
 package org.apache.carbondata.core.datamap.dev;
 
-
 import java.io.IOException;
 import java.util.HashMap;
 import java.util.List;
diff --git a/core/src/main/java/org/apache/carbondata/core/datamap/dev/DataMapWriter.java b/core/src/main/java/org/apache/carbondata/core/datamap/dev/DataMapWriter.java
index 2ebb530..cd0d86e 100644
--- a/core/src/main/java/org/apache/carbondata/core/datamap/dev/DataMapWriter.java
+++ b/core/src/main/java/org/apache/carbondata/core/datamap/dev/DataMapWriter.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datamap.dev;
 
 import java.io.IOException;
@@ -126,7 +127,6 @@ public abstract class DataMapWriter {
     CarbonUtil.copyCarbonDataFileToCarbonStorePath(dataMapFile, carbonFilePath, 0);
   }
 
-
   /**
    * Return store path for datamap
    */
diff --git a/core/src/main/java/org/apache/carbondata/core/datamap/dev/cgdatamap/CoarseGrainDataMap.java b/core/src/main/java/org/apache/carbondata/core/datamap/dev/cgdatamap/CoarseGrainDataMap.java
index 3de7a94..e1badc9 100644
--- a/core/src/main/java/org/apache/carbondata/core/datamap/dev/cgdatamap/CoarseGrainDataMap.java
+++ b/core/src/main/java/org/apache/carbondata/core/datamap/dev/cgdatamap/CoarseGrainDataMap.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datamap.dev.cgdatamap;
 
 import java.io.IOException;
@@ -54,7 +55,6 @@ public abstract class CoarseGrainDataMap implements DataMap<Blocklet> {
     throw new UnsupportedOperationException("Operation not supported");
   }
 
-
   @Override
   public int getNumberOfEntries() {
     // keep default, one record in one datamap
diff --git a/core/src/main/java/org/apache/carbondata/core/datamap/dev/expr/AndDataMapExprWrapper.java b/core/src/main/java/org/apache/carbondata/core/datamap/dev/expr/AndDataMapExprWrapper.java
index 1abe84b..2dde47d 100644
--- a/core/src/main/java/org/apache/carbondata/core/datamap/dev/expr/AndDataMapExprWrapper.java
+++ b/core/src/main/java/org/apache/carbondata/core/datamap/dev/expr/AndDataMapExprWrapper.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datamap.dev.expr;
 
 import java.io.IOException;
diff --git a/core/src/main/java/org/apache/carbondata/core/datamap/dev/expr/DataMapDistributableWrapper.java b/core/src/main/java/org/apache/carbondata/core/datamap/dev/expr/DataMapDistributableWrapper.java
index 8a52974..cacc1d3 100644
--- a/core/src/main/java/org/apache/carbondata/core/datamap/dev/expr/DataMapDistributableWrapper.java
+++ b/core/src/main/java/org/apache/carbondata/core/datamap/dev/expr/DataMapDistributableWrapper.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datamap.dev.expr;
 
 import java.io.IOException;
diff --git a/core/src/main/java/org/apache/carbondata/core/datamap/dev/expr/DataMapExprWrapper.java b/core/src/main/java/org/apache/carbondata/core/datamap/dev/expr/DataMapExprWrapper.java
index ec26107..72f54f7 100644
--- a/core/src/main/java/org/apache/carbondata/core/datamap/dev/expr/DataMapExprWrapper.java
+++ b/core/src/main/java/org/apache/carbondata/core/datamap/dev/expr/DataMapExprWrapper.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datamap.dev.expr;
 
 import java.io.IOException;
diff --git a/core/src/main/java/org/apache/carbondata/core/datamap/dev/expr/DataMapExprWrapperImpl.java b/core/src/main/java/org/apache/carbondata/core/datamap/dev/expr/DataMapExprWrapperImpl.java
index c60f1f4..13ab156 100644
--- a/core/src/main/java/org/apache/carbondata/core/datamap/dev/expr/DataMapExprWrapperImpl.java
+++ b/core/src/main/java/org/apache/carbondata/core/datamap/dev/expr/DataMapExprWrapperImpl.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datamap.dev.expr;
 
 import java.io.IOException;
diff --git a/core/src/main/java/org/apache/carbondata/core/datamap/dev/expr/OrDataMapExprWrapper.java b/core/src/main/java/org/apache/carbondata/core/datamap/dev/expr/OrDataMapExprWrapper.java
index 51b8994..4a9853b 100644
--- a/core/src/main/java/org/apache/carbondata/core/datamap/dev/expr/OrDataMapExprWrapper.java
+++ b/core/src/main/java/org/apache/carbondata/core/datamap/dev/expr/OrDataMapExprWrapper.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datamap.dev.expr;
 
 import java.io.IOException;
@@ -107,7 +108,6 @@ public class OrDataMapExprWrapper implements DataMapExprWrapper {
     return null;
   }
 
-
   @Override
   public DataMapLevel getDataMapLevel() {
     return left.getDataMapLevel();
diff --git a/core/src/main/java/org/apache/carbondata/core/datamap/dev/fgdatamap/FineGrainBlocklet.java b/core/src/main/java/org/apache/carbondata/core/datamap/dev/fgdatamap/FineGrainBlocklet.java
index c395740..ed45e01 100644
--- a/core/src/main/java/org/apache/carbondata/core/datamap/dev/fgdatamap/FineGrainBlocklet.java
+++ b/core/src/main/java/org/apache/carbondata/core/datamap/dev/fgdatamap/FineGrainBlocklet.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datamap.dev.fgdatamap;
 
 import java.io.DataInput;
diff --git a/core/src/main/java/org/apache/carbondata/core/datamap/dev/fgdatamap/FineGrainDataMap.java b/core/src/main/java/org/apache/carbondata/core/datamap/dev/fgdatamap/FineGrainDataMap.java
index 1e4c799..062bc1e 100644
--- a/core/src/main/java/org/apache/carbondata/core/datamap/dev/fgdatamap/FineGrainDataMap.java
+++ b/core/src/main/java/org/apache/carbondata/core/datamap/dev/fgdatamap/FineGrainDataMap.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datamap.dev.fgdatamap;
 
 import java.io.IOException;
diff --git a/core/src/main/java/org/apache/carbondata/core/datamap/dev/fgdatamap/FineGrainDataMapFactory.java b/core/src/main/java/org/apache/carbondata/core/datamap/dev/fgdatamap/FineGrainDataMapFactory.java
index 5e4ecb4..1ea21df 100644
--- a/core/src/main/java/org/apache/carbondata/core/datamap/dev/fgdatamap/FineGrainDataMapFactory.java
+++ b/core/src/main/java/org/apache/carbondata/core/datamap/dev/fgdatamap/FineGrainDataMapFactory.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datamap.dev.fgdatamap;
 
 import org.apache.carbondata.common.annotations.InterfaceAudience;
diff --git a/core/src/main/java/org/apache/carbondata/core/datamap/status/DataMapStatus.java b/core/src/main/java/org/apache/carbondata/core/datamap/status/DataMapStatus.java
index 388c57d..428dc3d 100644
--- a/core/src/main/java/org/apache/carbondata/core/datamap/status/DataMapStatus.java
+++ b/core/src/main/java/org/apache/carbondata/core/datamap/status/DataMapStatus.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datamap.status;
 
 /**
diff --git a/core/src/main/java/org/apache/carbondata/core/datamap/status/DataMapStatusDetail.java b/core/src/main/java/org/apache/carbondata/core/datamap/status/DataMapStatusDetail.java
index d1e5921..ba79463 100644
--- a/core/src/main/java/org/apache/carbondata/core/datamap/status/DataMapStatusDetail.java
+++ b/core/src/main/java/org/apache/carbondata/core/datamap/status/DataMapStatusDetail.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datamap.status;
 
 import java.io.Serializable;
diff --git a/core/src/main/java/org/apache/carbondata/core/datamap/status/DataMapStatusManager.java b/core/src/main/java/org/apache/carbondata/core/datamap/status/DataMapStatusManager.java
index 96b053f..f10b315 100644
--- a/core/src/main/java/org/apache/carbondata/core/datamap/status/DataMapStatusManager.java
+++ b/core/src/main/java/org/apache/carbondata/core/datamap/status/DataMapStatusManager.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datamap.status;
 
 import java.io.IOException;
diff --git a/core/src/main/java/org/apache/carbondata/core/datamap/status/DataMapStatusStorageProvider.java b/core/src/main/java/org/apache/carbondata/core/datamap/status/DataMapStatusStorageProvider.java
index 6b2354d..926fc45 100644
--- a/core/src/main/java/org/apache/carbondata/core/datamap/status/DataMapStatusStorageProvider.java
+++ b/core/src/main/java/org/apache/carbondata/core/datamap/status/DataMapStatusStorageProvider.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datamap.status;
 
 import java.io.IOException;
diff --git a/core/src/main/java/org/apache/carbondata/core/datastore/DataRefNode.java b/core/src/main/java/org/apache/carbondata/core/datastore/DataRefNode.java
index 3869333..dc356a1 100644
--- a/core/src/main/java/org/apache/carbondata/core/datastore/DataRefNode.java
+++ b/core/src/main/java/org/apache/carbondata/core/datastore/DataRefNode.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datastore;
 
 import java.io.IOException;
diff --git a/core/src/main/java/org/apache/carbondata/core/datastore/FileReader.java b/core/src/main/java/org/apache/carbondata/core/datastore/FileReader.java
index 2527f1d..df249dd 100644
--- a/core/src/main/java/org/apache/carbondata/core/datastore/FileReader.java
+++ b/core/src/main/java/org/apache/carbondata/core/datastore/FileReader.java
@@ -34,6 +34,7 @@ public interface FileReader {
    */
   ByteBuffer readByteBuffer(String filePath, long offset, int length)
       throws IOException;
+
   /**
    * This method will be used to read the byte array from file based on offset
    * and length(number of bytes) need to read
diff --git a/core/src/main/java/org/apache/carbondata/core/datastore/IndexKey.java b/core/src/main/java/org/apache/carbondata/core/datastore/IndexKey.java
index c9cd5ac..547a564 100644
--- a/core/src/main/java/org/apache/carbondata/core/datastore/IndexKey.java
+++ b/core/src/main/java/org/apache/carbondata/core/datastore/IndexKey.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datastore;
 
 /**
diff --git a/core/src/main/java/org/apache/carbondata/core/datastore/TableSpec.java b/core/src/main/java/org/apache/carbondata/core/datastore/TableSpec.java
index 1b5cfb5..101a426 100644
--- a/core/src/main/java/org/apache/carbondata/core/datastore/TableSpec.java
+++ b/core/src/main/java/org/apache/carbondata/core/datastore/TableSpec.java
@@ -343,6 +343,7 @@ public class TableSpec {
     public short getActualPostion() {
       return actualPostion;
     }
+
     @Override
     public void write(DataOutput out) throws IOException {
       super.write(out);
diff --git a/core/src/main/java/org/apache/carbondata/core/datastore/block/AbstractIndex.java b/core/src/main/java/org/apache/carbondata/core/datastore/block/AbstractIndex.java
index 9bac098..406aded 100644
--- a/core/src/main/java/org/apache/carbondata/core/datastore/block/AbstractIndex.java
+++ b/core/src/main/java/org/apache/carbondata/core/datastore/block/AbstractIndex.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datastore.block;
 
 import java.util.List;
diff --git a/core/src/main/java/org/apache/carbondata/core/datastore/block/BlockInfo.java b/core/src/main/java/org/apache/carbondata/core/datastore/block/BlockInfo.java
index c832451..697574f 100644
--- a/core/src/main/java/org/apache/carbondata/core/datastore/block/BlockInfo.java
+++ b/core/src/main/java/org/apache/carbondata/core/datastore/block/BlockInfo.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datastore.block;
 
 import java.io.Serializable;
diff --git a/core/src/main/java/org/apache/carbondata/core/datastore/block/BlockletInfos.java b/core/src/main/java/org/apache/carbondata/core/datastore/block/BlockletInfos.java
index 563d1dc..999de10 100644
--- a/core/src/main/java/org/apache/carbondata/core/datastore/block/BlockletInfos.java
+++ b/core/src/main/java/org/apache/carbondata/core/datastore/block/BlockletInfos.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datastore.block;
 
 import java.io.Serializable;
@@ -40,6 +41,7 @@ public class BlockletInfos implements Serializable {
    */
   public BlockletInfos() {
   }
+
   /**
    * constructor to initialize the blockletinfo
    * @param noOfBlockLets
diff --git a/core/src/main/java/org/apache/carbondata/core/datastore/block/SegmentProperties.java b/core/src/main/java/org/apache/carbondata/core/datastore/block/SegmentProperties.java
index ca9a6ee..bd32cb8 100644
--- a/core/src/main/java/org/apache/carbondata/core/datastore/block/SegmentProperties.java
+++ b/core/src/main/java/org/apache/carbondata/core/datastore/block/SegmentProperties.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datastore.block;
 
 import java.util.ArrayList;
diff --git a/core/src/main/java/org/apache/carbondata/core/datastore/block/SegmentPropertiesAndSchemaHolder.java b/core/src/main/java/org/apache/carbondata/core/datastore/block/SegmentPropertiesAndSchemaHolder.java
index 9d3d790..16a17b4 100644
--- a/core/src/main/java/org/apache/carbondata/core/datastore/block/SegmentPropertiesAndSchemaHolder.java
+++ b/core/src/main/java/org/apache/carbondata/core/datastore/block/SegmentPropertiesAndSchemaHolder.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datastore.block;
 
 import java.util.ArrayList;
diff --git a/core/src/main/java/org/apache/carbondata/core/datastore/block/TableBlockInfo.java b/core/src/main/java/org/apache/carbondata/core/datastore/block/TableBlockInfo.java
index 142b4c2..c18534c 100644
--- a/core/src/main/java/org/apache/carbondata/core/datastore/block/TableBlockInfo.java
+++ b/core/src/main/java/org/apache/carbondata/core/datastore/block/TableBlockInfo.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datastore.block;
 
 import java.io.IOException;
diff --git a/core/src/main/java/org/apache/carbondata/core/datastore/block/TableBlockUniqueIdentifier.java b/core/src/main/java/org/apache/carbondata/core/datastore/block/TableBlockUniqueIdentifier.java
index 1f5ccf2..59ebed1 100644
--- a/core/src/main/java/org/apache/carbondata/core/datastore/block/TableBlockUniqueIdentifier.java
+++ b/core/src/main/java/org/apache/carbondata/core/datastore/block/TableBlockUniqueIdentifier.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datastore.block;
 
 import org.apache.carbondata.core.constants.CarbonCommonConstants;
diff --git a/core/src/main/java/org/apache/carbondata/core/datastore/blocklet/BlockletEncodedColumnPage.java b/core/src/main/java/org/apache/carbondata/core/datastore/blocklet/BlockletEncodedColumnPage.java
index 00a7731..ed10459 100644
--- a/core/src/main/java/org/apache/carbondata/core/datastore/blocklet/BlockletEncodedColumnPage.java
+++ b/core/src/main/java/org/apache/carbondata/core/datastore/blocklet/BlockletEncodedColumnPage.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datastore.blocklet;
 
 import java.io.IOException;
diff --git a/core/src/main/java/org/apache/carbondata/core/datastore/blocklet/EncodedBlocklet.java b/core/src/main/java/org/apache/carbondata/core/datastore/blocklet/EncodedBlocklet.java
index 8a19522..61d0f7f 100644
--- a/core/src/main/java/org/apache/carbondata/core/datastore/blocklet/EncodedBlocklet.java
+++ b/core/src/main/java/org/apache/carbondata/core/datastore/blocklet/EncodedBlocklet.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datastore.blocklet;
 
 import java.util.ArrayList;
diff --git a/core/src/main/java/org/apache/carbondata/core/datastore/chunk/AbstractRawColumnChunk.java b/core/src/main/java/org/apache/carbondata/core/datastore/chunk/AbstractRawColumnChunk.java
index e140823..5e0f2ec 100644
--- a/core/src/main/java/org/apache/carbondata/core/datastore/chunk/AbstractRawColumnChunk.java
+++ b/core/src/main/java/org/apache/carbondata/core/datastore/chunk/AbstractRawColumnChunk.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datastore.chunk;
 
 import java.nio.ByteBuffer;
diff --git a/core/src/main/java/org/apache/carbondata/core/datastore/chunk/DimensionColumnPage.java b/core/src/main/java/org/apache/carbondata/core/datastore/chunk/DimensionColumnPage.java
index fa2b73e..e7ba267 100644
--- a/core/src/main/java/org/apache/carbondata/core/datastore/chunk/DimensionColumnPage.java
+++ b/core/src/main/java/org/apache/carbondata/core/datastore/chunk/DimensionColumnPage.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datastore.chunk;
 
 import java.util.BitSet;
diff --git a/core/src/main/java/org/apache/carbondata/core/datastore/chunk/impl/AbstractDimensionColumnPage.java b/core/src/main/java/org/apache/carbondata/core/datastore/chunk/impl/AbstractDimensionColumnPage.java
index 9ad5ab0..a5bbc5f 100644
--- a/core/src/main/java/org/apache/carbondata/core/datastore/chunk/impl/AbstractDimensionColumnPage.java
+++ b/core/src/main/java/org/apache/carbondata/core/datastore/chunk/impl/AbstractDimensionColumnPage.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datastore.chunk.impl;
 
 import java.util.BitSet;
@@ -31,7 +32,6 @@ public abstract class AbstractDimensionColumnPage implements DimensionColumnPage
    */
   DimensionDataChunkStore dataChunkStore;
 
-
   /**
    * @return whether data is explicitly sorted or not
    */
diff --git a/core/src/main/java/org/apache/carbondata/core/datastore/chunk/impl/DimensionRawColumnChunk.java b/core/src/main/java/org/apache/carbondata/core/datastore/chunk/impl/DimensionRawColumnChunk.java
index cf8102e..cf65e59 100644
--- a/core/src/main/java/org/apache/carbondata/core/datastore/chunk/impl/DimensionRawColumnChunk.java
+++ b/core/src/main/java/org/apache/carbondata/core/datastore/chunk/impl/DimensionRawColumnChunk.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datastore.chunk.impl;
 
 import java.io.IOException;
diff --git a/core/src/main/java/org/apache/carbondata/core/datastore/chunk/impl/FixedLengthDimensionColumnPage.java b/core/src/main/java/org/apache/carbondata/core/datastore/chunk/impl/FixedLengthDimensionColumnPage.java
index 287369a..2ccd7c8 100644
--- a/core/src/main/java/org/apache/carbondata/core/datastore/chunk/impl/FixedLengthDimensionColumnPage.java
+++ b/core/src/main/java/org/apache/carbondata/core/datastore/chunk/impl/FixedLengthDimensionColumnPage.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datastore.chunk.impl;
 
 import org.apache.carbondata.core.constants.CarbonCommonConstants;
diff --git a/core/src/main/java/org/apache/carbondata/core/datastore/chunk/impl/MeasureRawColumnChunk.java b/core/src/main/java/org/apache/carbondata/core/datastore/chunk/impl/MeasureRawColumnChunk.java
index 90d6e7f..c539958 100644
--- a/core/src/main/java/org/apache/carbondata/core/datastore/chunk/impl/MeasureRawColumnChunk.java
+++ b/core/src/main/java/org/apache/carbondata/core/datastore/chunk/impl/MeasureRawColumnChunk.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datastore.chunk.impl;
 
 import java.io.IOException;
diff --git a/core/src/main/java/org/apache/carbondata/core/datastore/chunk/impl/VariableLengthDimensionColumnPage.java b/core/src/main/java/org/apache/carbondata/core/datastore/chunk/impl/VariableLengthDimensionColumnPage.java
index 9a4ca02..2e941b2 100644
--- a/core/src/main/java/org/apache/carbondata/core/datastore/chunk/impl/VariableLengthDimensionColumnPage.java
+++ b/core/src/main/java/org/apache/carbondata/core/datastore/chunk/impl/VariableLengthDimensionColumnPage.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datastore.chunk.impl;
 
 import org.apache.carbondata.core.constants.CarbonCommonConstants;
diff --git a/core/src/main/java/org/apache/carbondata/core/datastore/chunk/reader/CarbonDataReaderFactory.java b/core/src/main/java/org/apache/carbondata/core/datastore/chunk/reader/CarbonDataReaderFactory.java
index bcbe882..2ea0ea8 100644
--- a/core/src/main/java/org/apache/carbondata/core/datastore/chunk/reader/CarbonDataReaderFactory.java
+++ b/core/src/main/java/org/apache/carbondata/core/datastore/chunk/reader/CarbonDataReaderFactory.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datastore.chunk.reader;
 
 import org.apache.carbondata.core.datastore.chunk.reader.dimension.v1.CompressedDimensionChunkFileBasedReaderV1;
diff --git a/core/src/main/java/org/apache/carbondata/core/datastore/chunk/reader/DimensionColumnChunkReader.java b/core/src/main/java/org/apache/carbondata/core/datastore/chunk/reader/DimensionColumnChunkReader.java
index 6ead57b..88d5117 100644
--- a/core/src/main/java/org/apache/carbondata/core/datastore/chunk/reader/DimensionColumnChunkReader.java
+++ b/core/src/main/java/org/apache/carbondata/core/datastore/chunk/reader/DimensionColumnChunkReader.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datastore.chunk.reader;
 
 import java.io.IOException;
diff --git a/core/src/main/java/org/apache/carbondata/core/datastore/chunk/reader/MeasureColumnChunkReader.java b/core/src/main/java/org/apache/carbondata/core/datastore/chunk/reader/MeasureColumnChunkReader.java
index 46db969..ec6e961 100644
--- a/core/src/main/java/org/apache/carbondata/core/datastore/chunk/reader/MeasureColumnChunkReader.java
+++ b/core/src/main/java/org/apache/carbondata/core/datastore/chunk/reader/MeasureColumnChunkReader.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datastore.chunk.reader;
 
 import java.io.IOException;
diff --git a/core/src/main/java/org/apache/carbondata/core/datastore/chunk/reader/dimension/AbstractChunkReader.java b/core/src/main/java/org/apache/carbondata/core/datastore/chunk/reader/dimension/AbstractChunkReader.java
index 77ef5f5..6a567a1 100644
--- a/core/src/main/java/org/apache/carbondata/core/datastore/chunk/reader/dimension/AbstractChunkReader.java
+++ b/core/src/main/java/org/apache/carbondata/core/datastore/chunk/reader/dimension/AbstractChunkReader.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datastore.chunk.reader.dimension;
 
 import java.io.IOException;
diff --git a/core/src/main/java/org/apache/carbondata/core/datastore/chunk/reader/dimension/AbstractChunkReaderV2V3Format.java b/core/src/main/java/org/apache/carbondata/core/datastore/chunk/reader/dimension/AbstractChunkReaderV2V3Format.java
index da0e2fc..4f2361d 100644
--- a/core/src/main/java/org/apache/carbondata/core/datastore/chunk/reader/dimension/AbstractChunkReaderV2V3Format.java
+++ b/core/src/main/java/org/apache/carbondata/core/datastore/chunk/reader/dimension/AbstractChunkReaderV2V3Format.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datastore.chunk.reader.dimension;
 
 import java.io.IOException;
diff --git a/core/src/main/java/org/apache/carbondata/core/datastore/chunk/reader/dimension/v1/CompressedDimensionChunkFileBasedReaderV1.java b/core/src/main/java/org/apache/carbondata/core/datastore/chunk/reader/dimension/v1/CompressedDimensionChunkFileBasedReaderV1.java
index 92b85a0..4b7b5f4 100644
--- a/core/src/main/java/org/apache/carbondata/core/datastore/chunk/reader/dimension/v1/CompressedDimensionChunkFileBasedReaderV1.java
+++ b/core/src/main/java/org/apache/carbondata/core/datastore/chunk/reader/dimension/v1/CompressedDimensionChunkFileBasedReaderV1.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datastore.chunk.reader.dimension.v1;
 
 import java.io.IOException;
diff --git a/core/src/main/java/org/apache/carbondata/core/datastore/chunk/reader/dimension/v2/CompressedDimensionChunkFileBasedReaderV2.java b/core/src/main/java/org/apache/carbondata/core/datastore/chunk/reader/dimension/v2/CompressedDimensionChunkFileBasedReaderV2.java
index de48fc6..bdc4ae6 100644
--- a/core/src/main/java/org/apache/carbondata/core/datastore/chunk/reader/dimension/v2/CompressedDimensionChunkFileBasedReaderV2.java
+++ b/core/src/main/java/org/apache/carbondata/core/datastore/chunk/reader/dimension/v2/CompressedDimensionChunkFileBasedReaderV2.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datastore.chunk.reader.dimension.v2;
 
 import java.io.IOException;
diff --git a/core/src/main/java/org/apache/carbondata/core/datastore/chunk/reader/dimension/v3/CompressedDimChunkFileBasedPageLevelReaderV3.java b/core/src/main/java/org/apache/carbondata/core/datastore/chunk/reader/dimension/v3/CompressedDimChunkFileBasedPageLevelReaderV3.java
index 71f1f60..0f9735f 100644
--- a/core/src/main/java/org/apache/carbondata/core/datastore/chunk/reader/dimension/v3/CompressedDimChunkFileBasedPageLevelReaderV3.java
+++ b/core/src/main/java/org/apache/carbondata/core/datastore/chunk/reader/dimension/v3/CompressedDimChunkFileBasedPageLevelReaderV3.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datastore.chunk.reader.dimension.v3;
 
 import java.io.ByteArrayInputStream;
diff --git a/core/src/main/java/org/apache/carbondata/core/datastore/chunk/reader/dimension/v3/CompressedDimensionChunkFileBasedReaderV3.java b/core/src/main/java/org/apache/carbondata/core/datastore/chunk/reader/dimension/v3/CompressedDimensionChunkFileBasedReaderV3.java
index 78286ce..7c50bb7 100644
--- a/core/src/main/java/org/apache/carbondata/core/datastore/chunk/reader/dimension/v3/CompressedDimensionChunkFileBasedReaderV3.java
+++ b/core/src/main/java/org/apache/carbondata/core/datastore/chunk/reader/dimension/v3/CompressedDimensionChunkFileBasedReaderV3.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datastore.chunk.reader.dimension.v3;
 
 import java.io.IOException;
diff --git a/core/src/main/java/org/apache/carbondata/core/datastore/chunk/reader/measure/AbstractMeasureChunkReader.java b/core/src/main/java/org/apache/carbondata/core/datastore/chunk/reader/measure/AbstractMeasureChunkReader.java
index 5e2e209..bb60a81 100644
--- a/core/src/main/java/org/apache/carbondata/core/datastore/chunk/reader/measure/AbstractMeasureChunkReader.java
+++ b/core/src/main/java/org/apache/carbondata/core/datastore/chunk/reader/measure/AbstractMeasureChunkReader.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datastore.chunk.reader.measure;
 
 import java.io.IOException;
diff --git a/core/src/main/java/org/apache/carbondata/core/datastore/chunk/reader/measure/AbstractMeasureChunkReaderV2V3Format.java b/core/src/main/java/org/apache/carbondata/core/datastore/chunk/reader/measure/AbstractMeasureChunkReaderV2V3Format.java
index 64d2fff..4a610ec 100644
--- a/core/src/main/java/org/apache/carbondata/core/datastore/chunk/reader/measure/AbstractMeasureChunkReaderV2V3Format.java
+++ b/core/src/main/java/org/apache/carbondata/core/datastore/chunk/reader/measure/AbstractMeasureChunkReaderV2V3Format.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datastore.chunk.reader.measure;
 
 import java.io.IOException;
diff --git a/core/src/main/java/org/apache/carbondata/core/datastore/chunk/reader/measure/v1/CompressedMeasureChunkFileBasedReaderV1.java b/core/src/main/java/org/apache/carbondata/core/datastore/chunk/reader/measure/v1/CompressedMeasureChunkFileBasedReaderV1.java
index 6cb7591..45b47c8 100644
--- a/core/src/main/java/org/apache/carbondata/core/datastore/chunk/reader/measure/v1/CompressedMeasureChunkFileBasedReaderV1.java
+++ b/core/src/main/java/org/apache/carbondata/core/datastore/chunk/reader/measure/v1/CompressedMeasureChunkFileBasedReaderV1.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datastore.chunk.reader.measure.v1;
 
 import java.io.IOException;
diff --git a/core/src/main/java/org/apache/carbondata/core/datastore/chunk/reader/measure/v2/CompressedMeasureChunkFileBasedReaderV2.java b/core/src/main/java/org/apache/carbondata/core/datastore/chunk/reader/measure/v2/CompressedMeasureChunkFileBasedReaderV2.java
index d08bfaf..834fd7f 100644
--- a/core/src/main/java/org/apache/carbondata/core/datastore/chunk/reader/measure/v2/CompressedMeasureChunkFileBasedReaderV2.java
+++ b/core/src/main/java/org/apache/carbondata/core/datastore/chunk/reader/measure/v2/CompressedMeasureChunkFileBasedReaderV2.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datastore.chunk.reader.measure.v2;
 
 import java.io.IOException;
diff --git a/core/src/main/java/org/apache/carbondata/core/datastore/chunk/reader/measure/v3/CompressedMeasureChunkFileBasedReaderV3.java b/core/src/main/java/org/apache/carbondata/core/datastore/chunk/reader/measure/v3/CompressedMeasureChunkFileBasedReaderV3.java
index b6ea9b0..6eb63f3 100644
--- a/core/src/main/java/org/apache/carbondata/core/datastore/chunk/reader/measure/v3/CompressedMeasureChunkFileBasedReaderV3.java
+++ b/core/src/main/java/org/apache/carbondata/core/datastore/chunk/reader/measure/v3/CompressedMeasureChunkFileBasedReaderV3.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datastore.chunk.reader.measure.v3;
 
 import java.io.IOException;
diff --git a/core/src/main/java/org/apache/carbondata/core/datastore/chunk/reader/measure/v3/CompressedMsrChunkFileBasedPageLevelReaderV3.java b/core/src/main/java/org/apache/carbondata/core/datastore/chunk/reader/measure/v3/CompressedMsrChunkFileBasedPageLevelReaderV3.java
index 2874488..5e5cc34 100644
--- a/core/src/main/java/org/apache/carbondata/core/datastore/chunk/reader/measure/v3/CompressedMsrChunkFileBasedPageLevelReaderV3.java
+++ b/core/src/main/java/org/apache/carbondata/core/datastore/chunk/reader/measure/v3/CompressedMsrChunkFileBasedPageLevelReaderV3.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datastore.chunk.reader.measure.v3;
 
 import java.io.ByteArrayInputStream;
diff --git a/core/src/main/java/org/apache/carbondata/core/datastore/chunk/store/ColumnPageWrapper.java b/core/src/main/java/org/apache/carbondata/core/datastore/chunk/store/ColumnPageWrapper.java
index a195d87..5f1cac9 100644
--- a/core/src/main/java/org/apache/carbondata/core/datastore/chunk/store/ColumnPageWrapper.java
+++ b/core/src/main/java/org/apache/carbondata/core/datastore/chunk/store/ColumnPageWrapper.java
@@ -17,7 +17,6 @@
 
 package org.apache.carbondata.core.datastore.chunk.store;
 
-
 import java.util.BitSet;
 
 import org.apache.carbondata.core.constants.CarbonCommonConstants;
@@ -33,7 +32,6 @@ import org.apache.carbondata.core.util.ByteUtil;
 import org.apache.carbondata.core.util.CarbonUtil;
 import org.apache.carbondata.core.util.DataTypeUtil;
 
-
 public class ColumnPageWrapper implements DimensionColumnPage {
 
   private ColumnPage columnPage;
diff --git a/core/src/main/java/org/apache/carbondata/core/datastore/chunk/store/impl/safe/SafeVariableLengthDimensionDataChunkStore.java b/core/src/main/java/org/apache/carbondata/core/datastore/chunk/store/impl/safe/SafeVariableLengthDimensionDataChunkStore.java
index b740b28..5aab8d9 100644
--- a/core/src/main/java/org/apache/carbondata/core/datastore/chunk/store/impl/safe/SafeVariableLengthDimensionDataChunkStore.java
+++ b/core/src/main/java/org/apache/carbondata/core/datastore/chunk/store/impl/safe/SafeVariableLengthDimensionDataChunkStore.java
@@ -118,6 +118,7 @@ public abstract class SafeVariableLengthDimensionDataChunkStore
   }
 
   protected abstract int getLengthSize();
+
   protected abstract int getLengthFromBuffer(ByteBuffer buffer);
 
   @Override
diff --git a/core/src/main/java/org/apache/carbondata/core/datastore/chunk/store/impl/unsafe/UnsafeVariableLengthDimensionDataChunkStore.java b/core/src/main/java/org/apache/carbondata/core/datastore/chunk/store/impl/unsafe/UnsafeVariableLengthDimensionDataChunkStore.java
index 12db348..bd1e7c7 100644
--- a/core/src/main/java/org/apache/carbondata/core/datastore/chunk/store/impl/unsafe/UnsafeVariableLengthDimensionDataChunkStore.java
+++ b/core/src/main/java/org/apache/carbondata/core/datastore/chunk/store/impl/unsafe/UnsafeVariableLengthDimensionDataChunkStore.java
@@ -109,6 +109,7 @@ public abstract class UnsafeVariableLengthDimensionDataChunkStore
   }
 
   protected abstract int getLengthSize();
+
   protected abstract int getLengthFromBuffer(ByteBuffer byteBuffer);
 
   /**
diff --git a/core/src/main/java/org/apache/carbondata/core/datastore/columnar/BlockIndexerStorageForNoDictionary.java b/core/src/main/java/org/apache/carbondata/core/datastore/columnar/BlockIndexerStorageForNoDictionary.java
index 0ea41af..6eeadff 100644
--- a/core/src/main/java/org/apache/carbondata/core/datastore/columnar/BlockIndexerStorageForNoDictionary.java
+++ b/core/src/main/java/org/apache/carbondata/core/datastore/columnar/BlockIndexerStorageForNoDictionary.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datastore.columnar;
 
 import java.util.Arrays;
diff --git a/core/src/main/java/org/apache/carbondata/core/datastore/columnar/BlockIndexerStorageForNoInvertedIndexForShort.java b/core/src/main/java/org/apache/carbondata/core/datastore/columnar/BlockIndexerStorageForNoInvertedIndexForShort.java
index 66fefe0..21ca421 100644
--- a/core/src/main/java/org/apache/carbondata/core/datastore/columnar/BlockIndexerStorageForNoInvertedIndexForShort.java
+++ b/core/src/main/java/org/apache/carbondata/core/datastore/columnar/BlockIndexerStorageForNoInvertedIndexForShort.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datastore.columnar;
 
 import java.util.ArrayList;
diff --git a/core/src/main/java/org/apache/carbondata/core/datastore/columnar/BlockIndexerStorageForShort.java b/core/src/main/java/org/apache/carbondata/core/datastore/columnar/BlockIndexerStorageForShort.java
index b30396c..6e68caf 100644
--- a/core/src/main/java/org/apache/carbondata/core/datastore/columnar/BlockIndexerStorageForShort.java
+++ b/core/src/main/java/org/apache/carbondata/core/datastore/columnar/BlockIndexerStorageForShort.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datastore.columnar;
 
 import java.util.ArrayList;
diff --git a/core/src/main/java/org/apache/carbondata/core/datastore/columnar/ColumnWithRowIdForNoDictionary.java b/core/src/main/java/org/apache/carbondata/core/datastore/columnar/ColumnWithRowIdForNoDictionary.java
index 5205c28..90b33d7 100644
--- a/core/src/main/java/org/apache/carbondata/core/datastore/columnar/ColumnWithRowIdForNoDictionary.java
+++ b/core/src/main/java/org/apache/carbondata/core/datastore/columnar/ColumnWithRowIdForNoDictionary.java
@@ -64,7 +64,6 @@ public class ColumnWithRowIdForNoDictionary<T>
     return index;
   }
 
-
   /**
    * @return the column
    */
diff --git a/core/src/main/java/org/apache/carbondata/core/datastore/compression/AbstractCompressor.java b/core/src/main/java/org/apache/carbondata/core/datastore/compression/AbstractCompressor.java
index c88719d..7db09d1 100644
--- a/core/src/main/java/org/apache/carbondata/core/datastore/compression/AbstractCompressor.java
+++ b/core/src/main/java/org/apache/carbondata/core/datastore/compression/AbstractCompressor.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datastore.compression;
 
 import java.io.IOException;
diff --git a/core/src/main/java/org/apache/carbondata/core/datastore/compression/CompressorFactory.java b/core/src/main/java/org/apache/carbondata/core/datastore/compression/CompressorFactory.java
index b7779ba..e695bda 100644
--- a/core/src/main/java/org/apache/carbondata/core/datastore/compression/CompressorFactory.java
+++ b/core/src/main/java/org/apache/carbondata/core/datastore/compression/CompressorFactory.java
@@ -118,6 +118,7 @@ public class CompressorFactory {
               compressorClassName, StringUtils.join(allSupportedCompressors.keySet(), ", ")), e);
     }
   }
+
   /**
    * get the default compressor.
    * This method can only be called in data load procedure to compress column page.
diff --git a/core/src/main/java/org/apache/carbondata/core/datastore/filesystem/CarbonFile.java b/core/src/main/java/org/apache/carbondata/core/datastore/filesystem/CarbonFile.java
index c3c5be5..f1c4123 100644
--- a/core/src/main/java/org/apache/carbondata/core/datastore/filesystem/CarbonFile.java
+++ b/core/src/main/java/org/apache/carbondata/core/datastore/filesystem/CarbonFile.java
@@ -127,6 +127,7 @@ public interface CarbonFile {
    */
   DataOutputStream getDataOutputStream(String path, FileFactory.FileType fileType, int bufferSize,
       long blockSize, short replication) throws IOException;
+
   /**
    * get data output stream
    * @param path
diff --git a/core/src/main/java/org/apache/carbondata/core/datastore/filesystem/LocalCarbonFile.java b/core/src/main/java/org/apache/carbondata/core/datastore/filesystem/LocalCarbonFile.java
index 3b82b3f..3a6a687 100644
--- a/core/src/main/java/org/apache/carbondata/core/datastore/filesystem/LocalCarbonFile.java
+++ b/core/src/main/java/org/apache/carbondata/core/datastore/filesystem/LocalCarbonFile.java
@@ -293,7 +293,6 @@ public class LocalCarbonFile implements CarbonFile {
     return isFileModified;
   }
 
-
   @Override
   public boolean renameForce(String changeToName) {
     File destFile = new File(changeToName);
diff --git a/core/src/main/java/org/apache/carbondata/core/datastore/filesystem/S3CarbonFile.java b/core/src/main/java/org/apache/carbondata/core/datastore/filesystem/S3CarbonFile.java
index 529cd66..76c26f4 100644
--- a/core/src/main/java/org/apache/carbondata/core/datastore/filesystem/S3CarbonFile.java
+++ b/core/src/main/java/org/apache/carbondata/core/datastore/filesystem/S3CarbonFile.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datastore.filesystem;
 
 import java.io.DataInputStream;
diff --git a/core/src/main/java/org/apache/carbondata/core/datastore/filesystem/ViewFSCarbonFile.java b/core/src/main/java/org/apache/carbondata/core/datastore/filesystem/ViewFSCarbonFile.java
index aa505a3..ae7ab84 100644
--- a/core/src/main/java/org/apache/carbondata/core/datastore/filesystem/ViewFSCarbonFile.java
+++ b/core/src/main/java/org/apache/carbondata/core/datastore/filesystem/ViewFSCarbonFile.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datastore.filesystem;
 
 import java.io.IOException;
diff --git a/core/src/main/java/org/apache/carbondata/core/datastore/impl/DFSFileReaderImpl.java b/core/src/main/java/org/apache/carbondata/core/datastore/impl/DFSFileReaderImpl.java
index e9b23f6..3ce1d79 100644
--- a/core/src/main/java/org/apache/carbondata/core/datastore/impl/DFSFileReaderImpl.java
+++ b/core/src/main/java/org/apache/carbondata/core/datastore/impl/DFSFileReaderImpl.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datastore.impl;
 
 import java.io.IOException;
diff --git a/core/src/main/java/org/apache/carbondata/core/datastore/impl/FileFactory.java b/core/src/main/java/org/apache/carbondata/core/datastore/impl/FileFactory.java
index 372c7c9..95b3d41 100644
--- a/core/src/main/java/org/apache/carbondata/core/datastore/impl/FileFactory.java
+++ b/core/src/main/java/org/apache/carbondata/core/datastore/impl/FileFactory.java
@@ -151,10 +151,12 @@ public final class FileFactory {
   public static CarbonFile getCarbonFile(String path) {
     return fileFileTypeInterface.getCarbonFile(path, getConfiguration());
   }
+
   public static CarbonFile getCarbonFile(String path, FileType fileType) {
     //TODO ignoring this fileType now to avoid refactoring. Remove the unused argument later.
     return fileFileTypeInterface.getCarbonFile(path, getConfiguration());
   }
+
   public static CarbonFile getCarbonFile(String path,
       Configuration hadoopConf) {
     return fileFileTypeInterface.getCarbonFile(path, hadoopConf);
@@ -174,6 +176,7 @@ public final class FileFactory {
       throws IOException {
     return getDataInputStream(path, fileType, bufferSize, getConfiguration());
   }
+
   public static DataInputStream getDataInputStream(String path, FileType fileType, int bufferSize,
       Configuration configuration) throws IOException {
     return getCarbonFile(path).getDataInputStream(path, fileType, bufferSize, configuration);
@@ -192,6 +195,7 @@ public final class FileFactory {
       String compressorName) throws IOException {
     return getCarbonFile(path).getDataInputStream(path, fileType, bufferSize, compressorName);
   }
+
   /**
    * return the datainputStream which is seek to the offset of file
    *
@@ -237,6 +241,7 @@ public final class FileFactory {
     return getCarbonFile(path).getDataOutputStream(path, fileType, bufferSize, blockSize,
         replication);
   }
+
   /**
    * get data out put stream
    * @param path
@@ -250,6 +255,7 @@ public final class FileFactory {
       String compressorName) throws IOException {
     return getCarbonFile(path).getDataOutputStream(path, fileType, bufferSize, compressorName);
   }
+
   /**
    * This method checks the given path exists or not and also is it file or
    * not if the performFileCheck is true
@@ -284,6 +290,7 @@ public final class FileFactory {
   public static boolean createNewFile(String filePath, FileType fileType) throws IOException {
     return createNewFile(filePath, fileType, true, null);
   }
+
   public static boolean createNewFile(
       String filePath,
       FileType fileType,
@@ -291,6 +298,7 @@ public final class FileFactory {
       final FsPermission permission) throws IOException {
     return getCarbonFile(filePath).createNewFile(filePath, fileType, doAs, permission);
   }
+
   public static boolean deleteFile(String filePath, FileType fileType) throws IOException {
     return getCarbonFile(filePath).deleteFile(filePath, fileType);
   }
@@ -544,7 +552,6 @@ public final class FileFactory {
     return path.getFileSystem(getConfiguration());
   }
 
-
   public static void createDirectoryAndSetPermission(String directoryPath, FsPermission permission)
       throws IOException {
     FileFactory.FileType fileType = FileFactory.getFileType(directoryPath);
diff --git a/core/src/main/java/org/apache/carbondata/core/datastore/page/ActualDataBasedFallbackEncoder.java b/core/src/main/java/org/apache/carbondata/core/datastore/page/ActualDataBasedFallbackEncoder.java
index 0d29526..da3d0e1 100644
--- a/core/src/main/java/org/apache/carbondata/core/datastore/page/ActualDataBasedFallbackEncoder.java
+++ b/core/src/main/java/org/apache/carbondata/core/datastore/page/ActualDataBasedFallbackEncoder.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datastore.page;
 
 import java.util.concurrent.Callable;
diff --git a/core/src/main/java/org/apache/carbondata/core/datastore/page/ColumnPage.java b/core/src/main/java/org/apache/carbondata/core/datastore/page/ColumnPage.java
index 41d93ef..4024bde 100644
--- a/core/src/main/java/org/apache/carbondata/core/datastore/page/ColumnPage.java
+++ b/core/src/main/java/org/apache/carbondata/core/datastore/page/ColumnPage.java
@@ -528,7 +528,6 @@ public abstract class ColumnPage {
    */
   public abstract void putBytes(int rowId, byte[] bytes, int offset, int length);
 
-
   /**
    * Set null at rowId
    */
diff --git a/core/src/main/java/org/apache/carbondata/core/datastore/page/ColumnPageValueConverter.java b/core/src/main/java/org/apache/carbondata/core/datastore/page/ColumnPageValueConverter.java
index 5bc46e9..9662367 100644
--- a/core/src/main/java/org/apache/carbondata/core/datastore/page/ColumnPageValueConverter.java
+++ b/core/src/main/java/org/apache/carbondata/core/datastore/page/ColumnPageValueConverter.java
@@ -24,22 +24,37 @@ import org.apache.carbondata.core.scan.result.vector.ColumnVectorInfo;
 
 // Transformation type that can be applied to ColumnPage
 public interface ColumnPageValueConverter {
+
   void encode(int rowId, byte value);
+
   void encode(int rowId, short value);
+
   void encode(int rowId, int value);
+
   void encode(int rowId, long value);
+
   void encode(int rowId, float value);
+
   void encode(int rowId, double value);
 
   long decodeLong(byte value);
+
   long decodeLong(short value);
+
   long decodeLong(int value);
+
   double decodeDouble(byte value);
+
   double decodeDouble(short value);
+
   double decodeDouble(int value);
+
   double decodeDouble(long value);
+
   double decodeDouble(float value);
+
   double decodeDouble(double value);
+
   void decodeAndFillVector(byte[] pageData, ColumnVectorInfo vectorInfo, BitSet nullBits,
       DataType pageDataType, int pageSize);
 }
diff --git a/core/src/main/java/org/apache/carbondata/core/datastore/page/DecoderBasedFallbackEncoder.java b/core/src/main/java/org/apache/carbondata/core/datastore/page/DecoderBasedFallbackEncoder.java
index a9ce735..be59e4a 100644
--- a/core/src/main/java/org/apache/carbondata/core/datastore/page/DecoderBasedFallbackEncoder.java
+++ b/core/src/main/java/org/apache/carbondata/core/datastore/page/DecoderBasedFallbackEncoder.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datastore.page;
 
 import java.nio.ByteBuffer;
diff --git a/core/src/main/java/org/apache/carbondata/core/datastore/page/FallbackEncodedColumnPage.java b/core/src/main/java/org/apache/carbondata/core/datastore/page/FallbackEncodedColumnPage.java
index 9ce87b5..3724330 100644
--- a/core/src/main/java/org/apache/carbondata/core/datastore/page/FallbackEncodedColumnPage.java
+++ b/core/src/main/java/org/apache/carbondata/core/datastore/page/FallbackEncodedColumnPage.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datastore.page;
 
 import org.apache.carbondata.core.datastore.page.encoding.EncodedColumnPage;
diff --git a/core/src/main/java/org/apache/carbondata/core/datastore/page/SafeFixLengthColumnPage.java b/core/src/main/java/org/apache/carbondata/core/datastore/page/SafeFixLengthColumnPage.java
index 6bbdd35..f45f482 100644
--- a/core/src/main/java/org/apache/carbondata/core/datastore/page/SafeFixLengthColumnPage.java
+++ b/core/src/main/java/org/apache/carbondata/core/datastore/page/SafeFixLengthColumnPage.java
@@ -483,6 +483,7 @@ public class SafeFixLengthColumnPage extends ColumnPage {
           "not support value conversion on " + dataType + " page");
     }
   }
+
   public int getActualRowCount() {
     return arrayElementCount;
   }
diff --git a/core/src/main/java/org/apache/carbondata/core/datastore/page/UnsafeFixLengthColumnPage.java b/core/src/main/java/org/apache/carbondata/core/datastore/page/UnsafeFixLengthColumnPage.java
index 3b7d7ee..13c382f 100644
--- a/core/src/main/java/org/apache/carbondata/core/datastore/page/UnsafeFixLengthColumnPage.java
+++ b/core/src/main/java/org/apache/carbondata/core/datastore/page/UnsafeFixLengthColumnPage.java
@@ -28,7 +28,6 @@ import org.apache.carbondata.core.metadata.datatype.DataTypes;
 import org.apache.carbondata.core.util.ByteUtil;
 import org.apache.carbondata.core.util.ThreadLocalTaskInfo;
 
-
 // This extension uses unsafe memory to store page data, for fix length data type only (byte,
 // short, integer, long, float, double)
 public class UnsafeFixLengthColumnPage extends ColumnPage {
@@ -128,8 +127,6 @@ public class UnsafeFixLengthColumnPage extends ColumnPage {
     updatePageSize(rowId);
   }
 
-
-
   @Override
   public void putShort(int rowId, short value) {
     try {
diff --git a/core/src/main/java/org/apache/carbondata/core/datastore/page/encoding/ColumnPageEncoder.java b/core/src/main/java/org/apache/carbondata/core/datastore/page/encoding/ColumnPageEncoder.java
index 32eb5ab..b7b2529 100644
--- a/core/src/main/java/org/apache/carbondata/core/datastore/page/encoding/ColumnPageEncoder.java
+++ b/core/src/main/java/org/apache/carbondata/core/datastore/page/encoding/ColumnPageEncoder.java
@@ -237,7 +237,6 @@ public abstract class ColumnPageEncoder {
     return null;
   }
 
-
   /**
    * Below method to encode the dictionary page
    * @param dictionaryPage
diff --git a/core/src/main/java/org/apache/carbondata/core/datastore/page/statistics/ColumnPageStatsCollector.java b/core/src/main/java/org/apache/carbondata/core/datastore/page/statistics/ColumnPageStatsCollector.java
index 28aec84..6afd1b1 100644
--- a/core/src/main/java/org/apache/carbondata/core/datastore/page/statistics/ColumnPageStatsCollector.java
+++ b/core/src/main/java/org/apache/carbondata/core/datastore/page/statistics/ColumnPageStatsCollector.java
@@ -20,14 +20,23 @@ package org.apache.carbondata.core.datastore.page.statistics;
 import java.math.BigDecimal;
 
 public interface ColumnPageStatsCollector {
+
   void updateNull(int rowId);
+
   void update(byte value);
+
   void update(short value);
+
   void update(int value);
+
   void update(long value);
+
   void update(double value);
+
   void update(float value);
+
   void update(BigDecimal value);
+
   void update(byte[] value);
 
   /**
diff --git a/core/src/main/java/org/apache/carbondata/core/datastore/page/statistics/DummyStatsCollector.java b/core/src/main/java/org/apache/carbondata/core/datastore/page/statistics/DummyStatsCollector.java
index 86c1c62..cf8e93b 100644
--- a/core/src/main/java/org/apache/carbondata/core/datastore/page/statistics/DummyStatsCollector.java
+++ b/core/src/main/java/org/apache/carbondata/core/datastore/page/statistics/DummyStatsCollector.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datastore.page.statistics;
 
 import java.math.BigDecimal;
diff --git a/core/src/main/java/org/apache/carbondata/core/datastore/page/statistics/PrimitivePageStatsCollector.java b/core/src/main/java/org/apache/carbondata/core/datastore/page/statistics/PrimitivePageStatsCollector.java
index b420028..e8ca5a0 100644
--- a/core/src/main/java/org/apache/carbondata/core/datastore/page/statistics/PrimitivePageStatsCollector.java
+++ b/core/src/main/java/org/apache/carbondata/core/datastore/page/statistics/PrimitivePageStatsCollector.java
@@ -283,6 +283,7 @@ public class PrimitivePageStatsCollector implements ColumnPageStatsCollector, Si
       }
     }
   }
+
   @Override
   public void update(float value) {
     if (minFloat > value) {
diff --git a/core/src/main/java/org/apache/carbondata/core/devapi/DictionaryGenerationException.java b/core/src/main/java/org/apache/carbondata/core/devapi/DictionaryGenerationException.java
index 6de9d9c..9b38d35 100644
--- a/core/src/main/java/org/apache/carbondata/core/devapi/DictionaryGenerationException.java
+++ b/core/src/main/java/org/apache/carbondata/core/devapi/DictionaryGenerationException.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.devapi;
 
 public class DictionaryGenerationException extends Exception {
diff --git a/core/src/main/java/org/apache/carbondata/core/dictionary/client/NonSecureDictionaryClient.java b/core/src/main/java/org/apache/carbondata/core/dictionary/client/NonSecureDictionaryClient.java
index 03e10b3..21cdbee 100644
--- a/core/src/main/java/org/apache/carbondata/core/dictionary/client/NonSecureDictionaryClient.java
+++ b/core/src/main/java/org/apache/carbondata/core/dictionary/client/NonSecureDictionaryClient.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.dictionary.client;
 
 import java.net.InetSocketAddress;
diff --git a/core/src/main/java/org/apache/carbondata/core/dictionary/client/NonSecureDictionaryClientHandler.java b/core/src/main/java/org/apache/carbondata/core/dictionary/client/NonSecureDictionaryClientHandler.java
index 8f44da6..1af65bd 100644
--- a/core/src/main/java/org/apache/carbondata/core/dictionary/client/NonSecureDictionaryClientHandler.java
+++ b/core/src/main/java/org/apache/carbondata/core/dictionary/client/NonSecureDictionaryClientHandler.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.dictionary.client;
 
 import java.util.concurrent.BlockingQueue;
diff --git a/core/src/main/java/org/apache/carbondata/core/dictionary/generator/DictionaryWriter.java b/core/src/main/java/org/apache/carbondata/core/dictionary/generator/DictionaryWriter.java
index 25704a0..e33da1c 100644
--- a/core/src/main/java/org/apache/carbondata/core/dictionary/generator/DictionaryWriter.java
+++ b/core/src/main/java/org/apache/carbondata/core/dictionary/generator/DictionaryWriter.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.dictionary.generator;
 
 import java.io.IOException;
diff --git a/core/src/main/java/org/apache/carbondata/core/dictionary/generator/IncrementalColumnDictionaryGenerator.java b/core/src/main/java/org/apache/carbondata/core/dictionary/generator/IncrementalColumnDictionaryGenerator.java
index cad051f..66607dc 100644
--- a/core/src/main/java/org/apache/carbondata/core/dictionary/generator/IncrementalColumnDictionaryGenerator.java
+++ b/core/src/main/java/org/apache/carbondata/core/dictionary/generator/IncrementalColumnDictionaryGenerator.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.dictionary.generator;
 
 import java.io.IOException;
diff --git a/core/src/main/java/org/apache/carbondata/core/dictionary/generator/ServerDictionaryGenerator.java b/core/src/main/java/org/apache/carbondata/core/dictionary/generator/ServerDictionaryGenerator.java
index 0caa269..5a08552 100644
--- a/core/src/main/java/org/apache/carbondata/core/dictionary/generator/ServerDictionaryGenerator.java
+++ b/core/src/main/java/org/apache/carbondata/core/dictionary/generator/ServerDictionaryGenerator.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.dictionary.generator;
 
 import java.util.Map;
diff --git a/core/src/main/java/org/apache/carbondata/core/dictionary/generator/TableDictionaryGenerator.java b/core/src/main/java/org/apache/carbondata/core/dictionary/generator/TableDictionaryGenerator.java
index 2cf9aa3..af81f33 100644
--- a/core/src/main/java/org/apache/carbondata/core/dictionary/generator/TableDictionaryGenerator.java
+++ b/core/src/main/java/org/apache/carbondata/core/dictionary/generator/TableDictionaryGenerator.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.dictionary.generator;
 
 import java.io.IOException;
diff --git a/core/src/main/java/org/apache/carbondata/core/dictionary/generator/key/DictionaryMessage.java b/core/src/main/java/org/apache/carbondata/core/dictionary/generator/key/DictionaryMessage.java
index 72164a1..1b9c4ae 100644
--- a/core/src/main/java/org/apache/carbondata/core/dictionary/generator/key/DictionaryMessage.java
+++ b/core/src/main/java/org/apache/carbondata/core/dictionary/generator/key/DictionaryMessage.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.dictionary.generator.key;
 
 import java.nio.charset.Charset;
@@ -132,7 +133,6 @@ public class DictionaryMessage {
     byteBuf.setShort(startIndex, endIndex - startIndex - 2);
   }
 
-
   private DictionaryMessageType getKeyType(byte type) {
     switch (type) {
       case 2:
diff --git a/core/src/main/java/org/apache/carbondata/core/dictionary/generator/key/DictionaryMessageType.java b/core/src/main/java/org/apache/carbondata/core/dictionary/generator/key/DictionaryMessageType.java
index c87df06..3281fd3 100644
--- a/core/src/main/java/org/apache/carbondata/core/dictionary/generator/key/DictionaryMessageType.java
+++ b/core/src/main/java/org/apache/carbondata/core/dictionary/generator/key/DictionaryMessageType.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.dictionary.generator.key;
 
 /**
diff --git a/core/src/main/java/org/apache/carbondata/core/dictionary/server/NonSecureDictionaryServer.java b/core/src/main/java/org/apache/carbondata/core/dictionary/server/NonSecureDictionaryServer.java
index 8c282c1..0b8c800 100644
--- a/core/src/main/java/org/apache/carbondata/core/dictionary/server/NonSecureDictionaryServer.java
+++ b/core/src/main/java/org/apache/carbondata/core/dictionary/server/NonSecureDictionaryServer.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.dictionary.server;
 
 import java.net.InetSocketAddress;
diff --git a/core/src/main/java/org/apache/carbondata/core/dictionary/server/NonSecureDictionaryServerHandler.java b/core/src/main/java/org/apache/carbondata/core/dictionary/server/NonSecureDictionaryServerHandler.java
index 5722578..13c682b 100644
--- a/core/src/main/java/org/apache/carbondata/core/dictionary/server/NonSecureDictionaryServerHandler.java
+++ b/core/src/main/java/org/apache/carbondata/core/dictionary/server/NonSecureDictionaryServerHandler.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.dictionary.server;
 
 import org.apache.carbondata.common.logging.LogServiceFactory;
diff --git a/core/src/main/java/org/apache/carbondata/core/dictionary/service/NonSecureDictionaryServiceProvider.java b/core/src/main/java/org/apache/carbondata/core/dictionary/service/NonSecureDictionaryServiceProvider.java
index 9fb70ea..0063753 100644
--- a/core/src/main/java/org/apache/carbondata/core/dictionary/service/NonSecureDictionaryServiceProvider.java
+++ b/core/src/main/java/org/apache/carbondata/core/dictionary/service/NonSecureDictionaryServiceProvider.java
@@ -35,8 +35,6 @@ public class NonSecureDictionaryServiceProvider implements DictionaryServiceProv
   //  @Override public DictionaryServer getDictionaryServer() {
   //    return NonSecureDictionaryServer.getInstance(port);
   //  }
-
-
   @Override
   public DictionaryClient getDictionaryClient() {
     return new NonSecureDictionaryClient();
diff --git a/core/src/main/java/org/apache/carbondata/core/enums/EscapeSequences.java b/core/src/main/java/org/apache/carbondata/core/enums/EscapeSequences.java
index e1fcca7..4bbdddf 100644
--- a/core/src/main/java/org/apache/carbondata/core/enums/EscapeSequences.java
+++ b/core/src/main/java/org/apache/carbondata/core/enums/EscapeSequences.java
@@ -31,7 +31,6 @@ public enum EscapeSequences {
    */
   private char escapeChar;
 
-
   EscapeSequences(String name, char escapeChar) {
     this.name = name;
     this.escapeChar = escapeChar;
diff --git a/core/src/main/java/org/apache/carbondata/core/fileoperations/AtomicFileOperationS3Impl.java b/core/src/main/java/org/apache/carbondata/core/fileoperations/AtomicFileOperationS3Impl.java
index 67f4ee9..f3939a1 100644
--- a/core/src/main/java/org/apache/carbondata/core/fileoperations/AtomicFileOperationS3Impl.java
+++ b/core/src/main/java/org/apache/carbondata/core/fileoperations/AtomicFileOperationS3Impl.java
@@ -44,6 +44,7 @@ class AtomicFileOperationS3Impl implements AtomicFileOperations {
   AtomicFileOperationS3Impl(String filePath) {
     this.filePath = filePath;
   }
+
   @Override
   public DataInputStream openForRead() throws IOException {
     return FileFactory.getDataInputStream(filePath, FileFactory.getFileType(filePath));
diff --git a/core/src/main/java/org/apache/carbondata/core/indexstore/BlockMetaInfo.java b/core/src/main/java/org/apache/carbondata/core/indexstore/BlockMetaInfo.java
index 6a691d5..a9e6184 100644
--- a/core/src/main/java/org/apache/carbondata/core/indexstore/BlockMetaInfo.java
+++ b/core/src/main/java/org/apache/carbondata/core/indexstore/BlockMetaInfo.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.indexstore;
 
 /**
diff --git a/core/src/main/java/org/apache/carbondata/core/indexstore/Blocklet.java b/core/src/main/java/org/apache/carbondata/core/indexstore/Blocklet.java
index 645fdd9..fc93066 100644
--- a/core/src/main/java/org/apache/carbondata/core/indexstore/Blocklet.java
+++ b/core/src/main/java/org/apache/carbondata/core/indexstore/Blocklet.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.indexstore;
 
 import java.io.DataInput;
diff --git a/core/src/main/java/org/apache/carbondata/core/indexstore/BlockletDataMapIndexStore.java b/core/src/main/java/org/apache/carbondata/core/indexstore/BlockletDataMapIndexStore.java
index 9280899..a202331 100644
--- a/core/src/main/java/org/apache/carbondata/core/indexstore/BlockletDataMapIndexStore.java
+++ b/core/src/main/java/org/apache/carbondata/core/indexstore/BlockletDataMapIndexStore.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.indexstore;
 
 import java.io.IOException;
@@ -268,7 +269,6 @@ public class BlockletDataMapIndexStore
     }
   }
 
-
   /**
    * Below method will be used to load the segment of segments
    * One segment may have multiple task , so  table segment will be loaded
diff --git a/core/src/main/java/org/apache/carbondata/core/indexstore/BlockletDetailInfo.java b/core/src/main/java/org/apache/carbondata/core/indexstore/BlockletDetailInfo.java
index 6dc5987..faad77e 100644
--- a/core/src/main/java/org/apache/carbondata/core/indexstore/BlockletDetailInfo.java
+++ b/core/src/main/java/org/apache/carbondata/core/indexstore/BlockletDetailInfo.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.indexstore;
 
 import java.io.ByteArrayInputStream;
diff --git a/core/src/main/java/org/apache/carbondata/core/indexstore/BlockletDetailsFetcher.java b/core/src/main/java/org/apache/carbondata/core/indexstore/BlockletDetailsFetcher.java
index ae01e9e..e0a16cb 100644
--- a/core/src/main/java/org/apache/carbondata/core/indexstore/BlockletDetailsFetcher.java
+++ b/core/src/main/java/org/apache/carbondata/core/indexstore/BlockletDetailsFetcher.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.indexstore;
 
 import java.io.IOException;
diff --git a/core/src/main/java/org/apache/carbondata/core/indexstore/ExtendedBlocklet.java b/core/src/main/java/org/apache/carbondata/core/indexstore/ExtendedBlocklet.java
index c31894c..e391602 100644
--- a/core/src/main/java/org/apache/carbondata/core/indexstore/ExtendedBlocklet.java
+++ b/core/src/main/java/org/apache/carbondata/core/indexstore/ExtendedBlocklet.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.indexstore;
 
 import java.io.DataInput;
@@ -91,6 +92,7 @@ public class ExtendedBlocklet extends Blocklet {
   public Segment getSegment() {
     return this.inputSplit.getSegment();
   }
+
   public void setSegment(Segment segment) {
     this.inputSplit.setSegment(segment);
   }
diff --git a/core/src/main/java/org/apache/carbondata/core/indexstore/PartitionSpec.java b/core/src/main/java/org/apache/carbondata/core/indexstore/PartitionSpec.java
index 50e8908..9111ce2 100644
--- a/core/src/main/java/org/apache/carbondata/core/indexstore/PartitionSpec.java
+++ b/core/src/main/java/org/apache/carbondata/core/indexstore/PartitionSpec.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.indexstore;
 
 import java.io.DataInput;
diff --git a/core/src/main/java/org/apache/carbondata/core/indexstore/TableBlockIndexUniqueIdentifierWrapper.java b/core/src/main/java/org/apache/carbondata/core/indexstore/TableBlockIndexUniqueIdentifierWrapper.java
index 88554fc..891c3e7 100644
--- a/core/src/main/java/org/apache/carbondata/core/indexstore/TableBlockIndexUniqueIdentifierWrapper.java
+++ b/core/src/main/java/org/apache/carbondata/core/indexstore/TableBlockIndexUniqueIdentifierWrapper.java
@@ -70,7 +70,6 @@ public class TableBlockIndexUniqueIdentifierWrapper implements Serializable {
     this.addTableBlockToUnsafeAndLRUCache = addTableBlockToUnsafeAndLRUCache;
   }
 
-
   public TableBlockIndexUniqueIdentifier getTableBlockIndexUniqueIdentifier() {
     return tableBlockIndexUniqueIdentifier;
   }
diff --git a/core/src/main/java/org/apache/carbondata/core/indexstore/UnsafeMemoryDMStore.java b/core/src/main/java/org/apache/carbondata/core/indexstore/UnsafeMemoryDMStore.java
index 8185c25..5ae72fc 100644
--- a/core/src/main/java/org/apache/carbondata/core/indexstore/UnsafeMemoryDMStore.java
+++ b/core/src/main/java/org/apache/carbondata/core/indexstore/UnsafeMemoryDMStore.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.indexstore;
 
 import org.apache.carbondata.core.constants.CarbonCommonConstants;
diff --git a/core/src/main/java/org/apache/carbondata/core/indexstore/blockletindex/BlockDataMap.java b/core/src/main/java/org/apache/carbondata/core/indexstore/blockletindex/BlockDataMap.java
index 7d358eb..52cd8cc 100644
--- a/core/src/main/java/org/apache/carbondata/core/indexstore/blockletindex/BlockDataMap.java
+++ b/core/src/main/java/org/apache/carbondata/core/indexstore/blockletindex/BlockDataMap.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.indexstore.blockletindex;
 
 import java.io.IOException;
diff --git a/core/src/main/java/org/apache/carbondata/core/indexstore/blockletindex/BlockletDataMap.java b/core/src/main/java/org/apache/carbondata/core/indexstore/blockletindex/BlockletDataMap.java
index 195a288..2598229 100644
--- a/core/src/main/java/org/apache/carbondata/core/indexstore/blockletindex/BlockletDataMap.java
+++ b/core/src/main/java/org/apache/carbondata/core/indexstore/blockletindex/BlockletDataMap.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.indexstore.blockletindex;
 
 import java.io.ByteArrayOutputStream;
diff --git a/core/src/main/java/org/apache/carbondata/core/indexstore/blockletindex/BlockletDataMapDistributable.java b/core/src/main/java/org/apache/carbondata/core/indexstore/blockletindex/BlockletDataMapDistributable.java
index bb91eb0..f1937de 100644
--- a/core/src/main/java/org/apache/carbondata/core/indexstore/blockletindex/BlockletDataMapDistributable.java
+++ b/core/src/main/java/org/apache/carbondata/core/indexstore/blockletindex/BlockletDataMapDistributable.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.indexstore.blockletindex;
 
 import org.apache.carbondata.core.datamap.DataMapDistributable;
diff --git a/core/src/main/java/org/apache/carbondata/core/indexstore/blockletindex/BlockletDataMapFactory.java b/core/src/main/java/org/apache/carbondata/core/indexstore/blockletindex/BlockletDataMapFactory.java
index dc2baf2..85f7aeb 100644
--- a/core/src/main/java/org/apache/carbondata/core/indexstore/blockletindex/BlockletDataMapFactory.java
+++ b/core/src/main/java/org/apache/carbondata/core/indexstore/blockletindex/BlockletDataMapFactory.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.indexstore.blockletindex;
 
 import java.io.IOException;
@@ -250,7 +251,6 @@ public class BlockletDataMapFactory extends CoarseGrainDataMapFactory
     throw new IOException("Blocklet not found: " + blocklet.toString());
   }
 
-
   @Override
   public List<DataMapDistributable> toDistributable(Segment segment) {
     List<DataMapDistributable> distributables = new ArrayList<>();
diff --git a/core/src/main/java/org/apache/carbondata/core/indexstore/blockletindex/BlockletDataMapModel.java b/core/src/main/java/org/apache/carbondata/core/indexstore/blockletindex/BlockletDataMapModel.java
index 2f0c122..535dbef 100644
--- a/core/src/main/java/org/apache/carbondata/core/indexstore/blockletindex/BlockletDataMapModel.java
+++ b/core/src/main/java/org/apache/carbondata/core/indexstore/blockletindex/BlockletDataMapModel.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.indexstore.blockletindex;
 
 import java.util.List;
diff --git a/core/src/main/java/org/apache/carbondata/core/indexstore/blockletindex/BlockletDataMapRowIndexes.java b/core/src/main/java/org/apache/carbondata/core/indexstore/blockletindex/BlockletDataMapRowIndexes.java
index dcaecd2..2872ab6 100644
--- a/core/src/main/java/org/apache/carbondata/core/indexstore/blockletindex/BlockletDataMapRowIndexes.java
+++ b/core/src/main/java/org/apache/carbondata/core/indexstore/blockletindex/BlockletDataMapRowIndexes.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.indexstore.blockletindex;
 
 /**
diff --git a/core/src/main/java/org/apache/carbondata/core/indexstore/blockletindex/BlockletDataRefNode.java b/core/src/main/java/org/apache/carbondata/core/indexstore/blockletindex/BlockletDataRefNode.java
index 9ace0d5..41cbfff 100644
--- a/core/src/main/java/org/apache/carbondata/core/indexstore/blockletindex/BlockletDataRefNode.java
+++ b/core/src/main/java/org/apache/carbondata/core/indexstore/blockletindex/BlockletDataRefNode.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.indexstore.blockletindex;
 
 import java.io.IOException;
diff --git a/core/src/main/java/org/apache/carbondata/core/indexstore/blockletindex/IndexWrapper.java b/core/src/main/java/org/apache/carbondata/core/indexstore/blockletindex/IndexWrapper.java
index 0f7c0db..24497ed 100644
--- a/core/src/main/java/org/apache/carbondata/core/indexstore/blockletindex/IndexWrapper.java
+++ b/core/src/main/java/org/apache/carbondata/core/indexstore/blockletindex/IndexWrapper.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.indexstore.blockletindex;
 
 import java.util.List;
diff --git a/core/src/main/java/org/apache/carbondata/core/indexstore/blockletindex/SegmentIndexFileStore.java b/core/src/main/java/org/apache/carbondata/core/indexstore/blockletindex/SegmentIndexFileStore.java
index 17e5dc5..9cf026b 100644
--- a/core/src/main/java/org/apache/carbondata/core/indexstore/blockletindex/SegmentIndexFileStore.java
+++ b/core/src/main/java/org/apache/carbondata/core/indexstore/blockletindex/SegmentIndexFileStore.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.indexstore.blockletindex;
 
 import java.io.DataInputStream;
diff --git a/core/src/main/java/org/apache/carbondata/core/indexstore/row/DataMapRow.java b/core/src/main/java/org/apache/carbondata/core/indexstore/row/DataMapRow.java
index 18adc06..eb93505 100644
--- a/core/src/main/java/org/apache/carbondata/core/indexstore/row/DataMapRow.java
+++ b/core/src/main/java/org/apache/carbondata/core/indexstore/row/DataMapRow.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.indexstore.row;
 
 import java.io.Serializable;
diff --git a/core/src/main/java/org/apache/carbondata/core/indexstore/row/DataMapRowImpl.java b/core/src/main/java/org/apache/carbondata/core/indexstore/row/DataMapRowImpl.java
index 42bfb55..683d2ef 100644
--- a/core/src/main/java/org/apache/carbondata/core/indexstore/row/DataMapRowImpl.java
+++ b/core/src/main/java/org/apache/carbondata/core/indexstore/row/DataMapRowImpl.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.indexstore.row;
 
 import org.apache.carbondata.core.indexstore.schema.CarbonRowSchema;
diff --git a/core/src/main/java/org/apache/carbondata/core/indexstore/schema/CarbonRowSchema.java b/core/src/main/java/org/apache/carbondata/core/indexstore/schema/CarbonRowSchema.java
index 9c2ed97..45ec89a 100644
--- a/core/src/main/java/org/apache/carbondata/core/indexstore/schema/CarbonRowSchema.java
+++ b/core/src/main/java/org/apache/carbondata/core/indexstore/schema/CarbonRowSchema.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.indexstore.schema;
 
 import java.io.Serializable;
@@ -63,6 +64,7 @@ public abstract class CarbonRowSchema implements Serializable {
   public int getBytePosition() {
     return this.bytePosition;
   }
+
   /**
    * schema type
    * @return
diff --git a/core/src/main/java/org/apache/carbondata/core/indexstore/schema/SchemaGenerator.java b/core/src/main/java/org/apache/carbondata/core/indexstore/schema/SchemaGenerator.java
index 288e062..7a9d1a6 100644
--- a/core/src/main/java/org/apache/carbondata/core/indexstore/schema/SchemaGenerator.java
+++ b/core/src/main/java/org/apache/carbondata/core/indexstore/schema/SchemaGenerator.java
@@ -119,6 +119,7 @@ public class SchemaGenerator {
       }
     }
   }
+
   private static int getSchemaSize(CarbonRowSchema schema) {
     switch (schema.getSchemaType()) {
       case FIXED:
diff --git a/core/src/main/java/org/apache/carbondata/core/keygenerator/columnar/impl/MultiDimKeyVarLengthVariableSplitGenerator.java b/core/src/main/java/org/apache/carbondata/core/keygenerator/columnar/impl/MultiDimKeyVarLengthVariableSplitGenerator.java
index e83ba52..3f06062 100644
--- a/core/src/main/java/org/apache/carbondata/core/keygenerator/columnar/impl/MultiDimKeyVarLengthVariableSplitGenerator.java
+++ b/core/src/main/java/org/apache/carbondata/core/keygenerator/columnar/impl/MultiDimKeyVarLengthVariableSplitGenerator.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.keygenerator.columnar.impl;
 
 import java.util.ArrayList;
diff --git a/core/src/main/java/org/apache/carbondata/core/keygenerator/directdictionary/DirectDictionaryGenerator.java b/core/src/main/java/org/apache/carbondata/core/keygenerator/directdictionary/DirectDictionaryGenerator.java
index 2139f31..89550ad 100644
--- a/core/src/main/java/org/apache/carbondata/core/keygenerator/directdictionary/DirectDictionaryGenerator.java
+++ b/core/src/main/java/org/apache/carbondata/core/keygenerator/directdictionary/DirectDictionaryGenerator.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.keygenerator.directdictionary;
 
 import org.apache.carbondata.core.metadata.datatype.DataType;
diff --git a/core/src/main/java/org/apache/carbondata/core/keygenerator/directdictionary/DirectDictionaryKeyGeneratorFactory.java b/core/src/main/java/org/apache/carbondata/core/keygenerator/directdictionary/DirectDictionaryKeyGeneratorFactory.java
index 4092342..95b88e7 100644
--- a/core/src/main/java/org/apache/carbondata/core/keygenerator/directdictionary/DirectDictionaryKeyGeneratorFactory.java
+++ b/core/src/main/java/org/apache/carbondata/core/keygenerator/directdictionary/DirectDictionaryKeyGeneratorFactory.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.keygenerator.directdictionary;
 
 import org.apache.carbondata.core.keygenerator.directdictionary.timestamp.DateDirectDictionaryGenerator;
diff --git a/core/src/main/java/org/apache/carbondata/core/keygenerator/directdictionary/timestamp/DateDirectDictionaryGenerator.java b/core/src/main/java/org/apache/carbondata/core/keygenerator/directdictionary/timestamp/DateDirectDictionaryGenerator.java
index 9f915fb..e294b20 100644
--- a/core/src/main/java/org/apache/carbondata/core/keygenerator/directdictionary/timestamp/DateDirectDictionaryGenerator.java
+++ b/core/src/main/java/org/apache/carbondata/core/keygenerator/directdictionary/timestamp/DateDirectDictionaryGenerator.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.keygenerator.directdictionary.timestamp;
 
 import java.text.ParseException;
@@ -71,6 +72,7 @@ public class DateDirectDictionaryGenerator implements DirectDictionaryGenerator
     MIN_VALUE = minValue;
     MAX_VALUE = maxValue;
   }
+
   public DateDirectDictionaryGenerator(String dateFormat) {
     this.dateFormat = dateFormat;
     initialize();
diff --git a/core/src/main/java/org/apache/carbondata/core/keygenerator/directdictionary/timestamp/TimeStampDirectDictionaryGenerator.java b/core/src/main/java/org/apache/carbondata/core/keygenerator/directdictionary/timestamp/TimeStampDirectDictionaryGenerator.java
index ddf48f1..3eb6f65 100644
--- a/core/src/main/java/org/apache/carbondata/core/keygenerator/directdictionary/timestamp/TimeStampDirectDictionaryGenerator.java
+++ b/core/src/main/java/org/apache/carbondata/core/keygenerator/directdictionary/timestamp/TimeStampDirectDictionaryGenerator.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.keygenerator.directdictionary.timestamp;
 
 import java.text.ParseException;
diff --git a/core/src/main/java/org/apache/carbondata/core/keygenerator/directdictionary/timestamp/TimeStampGranularityConstants.java b/core/src/main/java/org/apache/carbondata/core/keygenerator/directdictionary/timestamp/TimeStampGranularityConstants.java
index 34a6c9c..a624bab 100644
--- a/core/src/main/java/org/apache/carbondata/core/keygenerator/directdictionary/timestamp/TimeStampGranularityConstants.java
+++ b/core/src/main/java/org/apache/carbondata/core/keygenerator/directdictionary/timestamp/TimeStampGranularityConstants.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.keygenerator.directdictionary.timestamp;
 
 /**
diff --git a/core/src/main/java/org/apache/carbondata/core/keygenerator/directdictionary/timestamp/TimeStampGranularityTypeValue.java b/core/src/main/java/org/apache/carbondata/core/keygenerator/directdictionary/timestamp/TimeStampGranularityTypeValue.java
index 20e6eb0..9566f43 100644
--- a/core/src/main/java/org/apache/carbondata/core/keygenerator/directdictionary/timestamp/TimeStampGranularityTypeValue.java
+++ b/core/src/main/java/org/apache/carbondata/core/keygenerator/directdictionary/timestamp/TimeStampGranularityTypeValue.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.keygenerator.directdictionary.timestamp;
 
 /**
diff --git a/core/src/main/java/org/apache/carbondata/core/localdictionary/PageLevelDictionary.java b/core/src/main/java/org/apache/carbondata/core/localdictionary/PageLevelDictionary.java
index d6c2352..d4519cd 100644
--- a/core/src/main/java/org/apache/carbondata/core/localdictionary/PageLevelDictionary.java
+++ b/core/src/main/java/org/apache/carbondata/core/localdictionary/PageLevelDictionary.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.localdictionary;
 
 import java.io.IOException;
diff --git a/core/src/main/java/org/apache/carbondata/core/localdictionary/dictionaryholder/DictionaryStore.java b/core/src/main/java/org/apache/carbondata/core/localdictionary/dictionaryholder/DictionaryStore.java
index 226104b..beb0807 100644
--- a/core/src/main/java/org/apache/carbondata/core/localdictionary/dictionaryholder/DictionaryStore.java
+++ b/core/src/main/java/org/apache/carbondata/core/localdictionary/dictionaryholder/DictionaryStore.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.localdictionary.dictionaryholder;
 
 import org.apache.carbondata.core.localdictionary.exception.DictionaryThresholdReachedException;
diff --git a/core/src/main/java/org/apache/carbondata/core/localdictionary/dictionaryholder/MapBasedDictionaryStore.java b/core/src/main/java/org/apache/carbondata/core/localdictionary/dictionaryholder/MapBasedDictionaryStore.java
index b03843a..89a26fe 100644
--- a/core/src/main/java/org/apache/carbondata/core/localdictionary/dictionaryholder/MapBasedDictionaryStore.java
+++ b/core/src/main/java/org/apache/carbondata/core/localdictionary/dictionaryholder/MapBasedDictionaryStore.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.localdictionary.dictionaryholder;
 
 import java.util.Map;
diff --git a/core/src/main/java/org/apache/carbondata/core/localdictionary/exception/DictionaryThresholdReachedException.java b/core/src/main/java/org/apache/carbondata/core/localdictionary/exception/DictionaryThresholdReachedException.java
index 09fc1e9..68eb49e 100644
--- a/core/src/main/java/org/apache/carbondata/core/localdictionary/exception/DictionaryThresholdReachedException.java
+++ b/core/src/main/java/org/apache/carbondata/core/localdictionary/exception/DictionaryThresholdReachedException.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.localdictionary.exception;
 
 import java.util.Locale;
diff --git a/core/src/main/java/org/apache/carbondata/core/localdictionary/generator/ColumnLocalDictionaryGenerator.java b/core/src/main/java/org/apache/carbondata/core/localdictionary/generator/ColumnLocalDictionaryGenerator.java
index 38d17e9..d7df88f 100644
--- a/core/src/main/java/org/apache/carbondata/core/localdictionary/generator/ColumnLocalDictionaryGenerator.java
+++ b/core/src/main/java/org/apache/carbondata/core/localdictionary/generator/ColumnLocalDictionaryGenerator.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.localdictionary.generator;
 
 import java.nio.ByteBuffer;
diff --git a/core/src/main/java/org/apache/carbondata/core/localdictionary/generator/LocalDictionaryGenerator.java b/core/src/main/java/org/apache/carbondata/core/localdictionary/generator/LocalDictionaryGenerator.java
index 553c65b..35a9f65 100644
--- a/core/src/main/java/org/apache/carbondata/core/localdictionary/generator/LocalDictionaryGenerator.java
+++ b/core/src/main/java/org/apache/carbondata/core/localdictionary/generator/LocalDictionaryGenerator.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.localdictionary.generator;
 
 import org.apache.carbondata.core.localdictionary.exception.DictionaryThresholdReachedException;
diff --git a/core/src/main/java/org/apache/carbondata/core/locks/ZooKeeperLocking.java b/core/src/main/java/org/apache/carbondata/core/locks/ZooKeeperLocking.java
index 7b12f77..6d35bcf 100644
--- a/core/src/main/java/org/apache/carbondata/core/locks/ZooKeeperLocking.java
+++ b/core/src/main/java/org/apache/carbondata/core/locks/ZooKeeperLocking.java
@@ -134,6 +134,7 @@ public class ZooKeeperLocking extends AbstractCarbonLock {
       zk.create(path, null, Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT);
     }
   }
+
   /**
    * Handling of the locking mechanism using zoo keeper.
    */
diff --git a/core/src/main/java/org/apache/carbondata/core/memory/CarbonUnsafe.java b/core/src/main/java/org/apache/carbondata/core/memory/CarbonUnsafe.java
index 74343f5..ecadd1e 100644
--- a/core/src/main/java/org/apache/carbondata/core/memory/CarbonUnsafe.java
+++ b/core/src/main/java/org/apache/carbondata/core/memory/CarbonUnsafe.java
@@ -22,7 +22,6 @@ import java.nio.ByteOrder;
 
 import sun.misc.Unsafe;
 
-
 public final class CarbonUnsafe {
 
   public static final int BYTE_ARRAY_OFFSET;
diff --git a/core/src/main/java/org/apache/carbondata/core/memory/MemoryBlock.java b/core/src/main/java/org/apache/carbondata/core/memory/MemoryBlock.java
index 87ae982..563521a 100644
--- a/core/src/main/java/org/apache/carbondata/core/memory/MemoryBlock.java
+++ b/core/src/main/java/org/apache/carbondata/core/memory/MemoryBlock.java
@@ -19,7 +19,6 @@ package org.apache.carbondata.core.memory;
 
 import javax.annotation.Nullable;
 
-
 /**
  * Code ported from Apache Spark {org.apache.spark.unsafe.memory} package
  * A consecutive block of memory, starting at a {@link MemoryLocation} with a fixed size.
diff --git a/core/src/main/java/org/apache/carbondata/core/memory/UnsafeSortMemoryManager.java b/core/src/main/java/org/apache/carbondata/core/memory/UnsafeSortMemoryManager.java
index 3c12733..07e1a55 100644
--- a/core/src/main/java/org/apache/carbondata/core/memory/UnsafeSortMemoryManager.java
+++ b/core/src/main/java/org/apache/carbondata/core/memory/UnsafeSortMemoryManager.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.memory;
 
 import java.util.HashMap;
diff --git a/core/src/main/java/org/apache/carbondata/core/metadata/AbsoluteTableIdentifier.java b/core/src/main/java/org/apache/carbondata/core/metadata/AbsoluteTableIdentifier.java
index 5d08c4f..7544afb 100644
--- a/core/src/main/java/org/apache/carbondata/core/metadata/AbsoluteTableIdentifier.java
+++ b/core/src/main/java/org/apache/carbondata/core/metadata/AbsoluteTableIdentifier.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.metadata;
 
 import java.io.Serializable;
diff --git a/core/src/main/java/org/apache/carbondata/core/metadata/CarbonMetadata.java b/core/src/main/java/org/apache/carbondata/core/metadata/CarbonMetadata.java
index 9c10a03..c2adfd0 100644
--- a/core/src/main/java/org/apache/carbondata/core/metadata/CarbonMetadata.java
+++ b/core/src/main/java/org/apache/carbondata/core/metadata/CarbonMetadata.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.metadata;
 
 import java.util.ArrayList;
diff --git a/core/src/main/java/org/apache/carbondata/core/metadata/ColumnIdentifier.java b/core/src/main/java/org/apache/carbondata/core/metadata/ColumnIdentifier.java
index fa9c49e..a4e366b 100644
--- a/core/src/main/java/org/apache/carbondata/core/metadata/ColumnIdentifier.java
+++ b/core/src/main/java/org/apache/carbondata/core/metadata/ColumnIdentifier.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.metadata;
 
 import java.io.Serializable;
diff --git a/core/src/main/java/org/apache/carbondata/core/metadata/SegmentFileStore.java b/core/src/main/java/org/apache/carbondata/core/metadata/SegmentFileStore.java
index e7feb3f..8418711 100644
--- a/core/src/main/java/org/apache/carbondata/core/metadata/SegmentFileStore.java
+++ b/core/src/main/java/org/apache/carbondata/core/metadata/SegmentFileStore.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.metadata;
 
 import java.io.*;
diff --git a/core/src/main/java/org/apache/carbondata/core/metadata/blocklet/DataFileFooter.java b/core/src/main/java/org/apache/carbondata/core/metadata/blocklet/DataFileFooter.java
index 8a8652b..d9d788c 100644
--- a/core/src/main/java/org/apache/carbondata/core/metadata/blocklet/DataFileFooter.java
+++ b/core/src/main/java/org/apache/carbondata/core/metadata/blocklet/DataFileFooter.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.metadata.blocklet;
 
 import java.io.Serializable;
diff --git a/core/src/main/java/org/apache/carbondata/core/metadata/blocklet/SegmentInfo.java b/core/src/main/java/org/apache/carbondata/core/metadata/blocklet/SegmentInfo.java
index 099fffd..245b2f6 100644
--- a/core/src/main/java/org/apache/carbondata/core/metadata/blocklet/SegmentInfo.java
+++ b/core/src/main/java/org/apache/carbondata/core/metadata/blocklet/SegmentInfo.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.metadata.blocklet;
 
 import java.io.Serializable;
diff --git a/core/src/main/java/org/apache/carbondata/core/metadata/blocklet/datachunk/DataChunk.java b/core/src/main/java/org/apache/carbondata/core/metadata/blocklet/datachunk/DataChunk.java
index 528b261..f85ddef 100644
--- a/core/src/main/java/org/apache/carbondata/core/metadata/blocklet/datachunk/DataChunk.java
+++ b/core/src/main/java/org/apache/carbondata/core/metadata/blocklet/datachunk/DataChunk.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.metadata.blocklet.datachunk;
 
 import java.io.Serializable;
diff --git a/core/src/main/java/org/apache/carbondata/core/metadata/converter/SchemaConverter.java b/core/src/main/java/org/apache/carbondata/core/metadata/converter/SchemaConverter.java
index 4d8d739..fc9249e 100644
--- a/core/src/main/java/org/apache/carbondata/core/metadata/converter/SchemaConverter.java
+++ b/core/src/main/java/org/apache/carbondata/core/metadata/converter/SchemaConverter.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.metadata.converter;
 
 import org.apache.carbondata.core.metadata.schema.SchemaEvolution;
diff --git a/core/src/main/java/org/apache/carbondata/core/metadata/converter/ThriftWrapperSchemaConverterImpl.java b/core/src/main/java/org/apache/carbondata/core/metadata/converter/ThriftWrapperSchemaConverterImpl.java
index f914928..c64ef09 100644
--- a/core/src/main/java/org/apache/carbondata/core/metadata/converter/ThriftWrapperSchemaConverterImpl.java
+++ b/core/src/main/java/org/apache/carbondata/core/metadata/converter/ThriftWrapperSchemaConverterImpl.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.metadata.converter;
 
 import java.util.ArrayList;
@@ -570,7 +571,6 @@ public class ThriftWrapperSchemaConverterImpl implements SchemaConverter {
     return wrapperColumnSchema;
   }
 
-
   private PartitionType fromExternalToWrapperPartitionType(
       org.apache.carbondata.format.PartitionType externalPartitionType) {
     if (null == externalPartitionType) {
diff --git a/core/src/main/java/org/apache/carbondata/core/metadata/datatype/BinaryType.java b/core/src/main/java/org/apache/carbondata/core/metadata/datatype/BinaryType.java
index 6ecd9db..a21e708 100644
--- a/core/src/main/java/org/apache/carbondata/core/metadata/datatype/BinaryType.java
+++ b/core/src/main/java/org/apache/carbondata/core/metadata/datatype/BinaryType.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.metadata.datatype;
 
 public class BinaryType extends DataType {
@@ -22,6 +23,7 @@ public class BinaryType extends DataType {
   private BinaryType(int id, int precedenceOrder, String name, int sizeInBytes) {
     super(id, precedenceOrder, name, sizeInBytes);
   }
+
   // this function is needed to ensure singleton pattern while supporting java serialization
   private Object readResolve() {
     return DataTypes.BINARY;
diff --git a/core/src/main/java/org/apache/carbondata/core/metadata/datatype/DecimalConverterFactory.java b/core/src/main/java/org/apache/carbondata/core/metadata/datatype/DecimalConverterFactory.java
index fb50467..62e94d8 100644
--- a/core/src/main/java/org/apache/carbondata/core/metadata/datatype/DecimalConverterFactory.java
+++ b/core/src/main/java/org/apache/carbondata/core/metadata/datatype/DecimalConverterFactory.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.metadata.datatype;
 
 import java.math.BigDecimal;
diff --git a/core/src/main/java/org/apache/carbondata/core/metadata/datatype/StructField.java b/core/src/main/java/org/apache/carbondata/core/metadata/datatype/StructField.java
index c076f69..a37495c 100644
--- a/core/src/main/java/org/apache/carbondata/core/metadata/datatype/StructField.java
+++ b/core/src/main/java/org/apache/carbondata/core/metadata/datatype/StructField.java
@@ -36,7 +36,6 @@ public class StructField implements Serializable {
     this.children = null;
   }
 
-
   public StructField(String fieldName, DataType dataType, List<StructField> children) {
     this.fieldName = fieldName;
     this.dataType = dataType;
diff --git a/core/src/main/java/org/apache/carbondata/core/metadata/encoder/Encoding.java b/core/src/main/java/org/apache/carbondata/core/metadata/encoder/Encoding.java
index 995eaee..6e32c89 100644
--- a/core/src/main/java/org/apache/carbondata/core/metadata/encoder/Encoding.java
+++ b/core/src/main/java/org/apache/carbondata/core/metadata/encoder/Encoding.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.metadata.encoder;
 
 import java.util.List;
diff --git a/core/src/main/java/org/apache/carbondata/core/metadata/index/BlockIndexInfo.java b/core/src/main/java/org/apache/carbondata/core/metadata/index/BlockIndexInfo.java
index f7f2d3c..b722b69 100644
--- a/core/src/main/java/org/apache/carbondata/core/metadata/index/BlockIndexInfo.java
+++ b/core/src/main/java/org/apache/carbondata/core/metadata/index/BlockIndexInfo.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.metadata.index;
 
 import org.apache.carbondata.core.metadata.blocklet.BlockletInfo;
diff --git a/core/src/main/java/org/apache/carbondata/core/metadata/schema/SchemaEvolution.java b/core/src/main/java/org/apache/carbondata/core/metadata/schema/SchemaEvolution.java
index 6960736..8f37056 100644
--- a/core/src/main/java/org/apache/carbondata/core/metadata/schema/SchemaEvolution.java
+++ b/core/src/main/java/org/apache/carbondata/core/metadata/schema/SchemaEvolution.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.metadata.schema;
 
 import java.io.Serializable;
diff --git a/core/src/main/java/org/apache/carbondata/core/metadata/schema/SchemaEvolutionEntry.java b/core/src/main/java/org/apache/carbondata/core/metadata/schema/SchemaEvolutionEntry.java
index 8900c41..33f6902 100644
--- a/core/src/main/java/org/apache/carbondata/core/metadata/schema/SchemaEvolutionEntry.java
+++ b/core/src/main/java/org/apache/carbondata/core/metadata/schema/SchemaEvolutionEntry.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.metadata.schema;
 
 import java.io.Serializable;
diff --git a/core/src/main/java/org/apache/carbondata/core/metadata/schema/SchemaReader.java b/core/src/main/java/org/apache/carbondata/core/metadata/schema/SchemaReader.java
index 9d975e3..2f8924a 100644
--- a/core/src/main/java/org/apache/carbondata/core/metadata/schema/SchemaReader.java
+++ b/core/src/main/java/org/apache/carbondata/core/metadata/schema/SchemaReader.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.metadata.schema;
 
 import java.io.IOException;
diff --git a/core/src/main/java/org/apache/carbondata/core/metadata/schema/partition/PartitionType.java b/core/src/main/java/org/apache/carbondata/core/metadata/schema/partition/PartitionType.java
index 4013715..02bb810 100644
--- a/core/src/main/java/org/apache/carbondata/core/metadata/schema/partition/PartitionType.java
+++ b/core/src/main/java/org/apache/carbondata/core/metadata/schema/partition/PartitionType.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.metadata.schema.partition;
 
 /**
diff --git a/core/src/main/java/org/apache/carbondata/core/metadata/schema/table/DataMapSchemaFactory.java b/core/src/main/java/org/apache/carbondata/core/metadata/schema/table/DataMapSchemaFactory.java
index 99fc403..bd79e08 100644
--- a/core/src/main/java/org/apache/carbondata/core/metadata/schema/table/DataMapSchemaFactory.java
+++ b/core/src/main/java/org/apache/carbondata/core/metadata/schema/table/DataMapSchemaFactory.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.metadata.schema.table;
 
 import org.apache.carbondata.core.metadata.schema.datamap.DataMapClassProvider;
diff --git a/core/src/main/java/org/apache/carbondata/core/metadata/schema/table/RelationIdentifier.java b/core/src/main/java/org/apache/carbondata/core/metadata/schema/table/RelationIdentifier.java
index 922bf05..ff4b7a0 100644
--- a/core/src/main/java/org/apache/carbondata/core/metadata/schema/table/RelationIdentifier.java
+++ b/core/src/main/java/org/apache/carbondata/core/metadata/schema/table/RelationIdentifier.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.metadata.schema.table;
 
 import java.io.DataInput;
diff --git a/core/src/main/java/org/apache/carbondata/core/metadata/schema/table/TableInfo.java b/core/src/main/java/org/apache/carbondata/core/metadata/schema/table/TableInfo.java
index 030f838..e8c786b 100644
--- a/core/src/main/java/org/apache/carbondata/core/metadata/schema/table/TableInfo.java
+++ b/core/src/main/java/org/apache/carbondata/core/metadata/schema/table/TableInfo.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.metadata.schema.table;
 
 import java.io.ByteArrayInputStream;
diff --git a/core/src/main/java/org/apache/carbondata/core/metadata/schema/table/TableSchema.java b/core/src/main/java/org/apache/carbondata/core/metadata/schema/table/TableSchema.java
index 0d0001f..77db3f6 100644
--- a/core/src/main/java/org/apache/carbondata/core/metadata/schema/table/TableSchema.java
+++ b/core/src/main/java/org/apache/carbondata/core/metadata/schema/table/TableSchema.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.metadata.schema.table;
 
 import java.io.*;
diff --git a/core/src/main/java/org/apache/carbondata/core/metadata/schema/table/TableSchemaBuilder.java b/core/src/main/java/org/apache/carbondata/core/metadata/schema/table/TableSchemaBuilder.java
index 1d64293..cdb0f5b 100644
--- a/core/src/main/java/org/apache/carbondata/core/metadata/schema/table/TableSchemaBuilder.java
+++ b/core/src/main/java/org/apache/carbondata/core/metadata/schema/table/TableSchemaBuilder.java
@@ -92,13 +92,11 @@ public class TableSchemaBuilder {
     return this;
   }
 
-
   public TableSchemaBuilder enableLocalDictionary(boolean enableLocalDictionary) {
     this.isLocalDictionaryEnabled = enableLocalDictionary;
     return this;
   }
 
-
   public TableSchemaBuilder tableName(String tableName) {
     Objects.requireNonNull(tableName);
     this.tableName = tableName;
diff --git a/core/src/main/java/org/apache/carbondata/core/metadata/schema/table/column/CarbonColumn.java b/core/src/main/java/org/apache/carbondata/core/metadata/schema/table/column/CarbonColumn.java
index 16ce5a5..522e46b 100644
--- a/core/src/main/java/org/apache/carbondata/core/metadata/schema/table/column/CarbonColumn.java
+++ b/core/src/main/java/org/apache/carbondata/core/metadata/schema/table/column/CarbonColumn.java
@@ -161,6 +161,7 @@ public class CarbonColumn implements Serializable {
   public Boolean isUseInvertedIndex() {
     return columnSchema.isUseInvertedIndex();
   }
+
   public ColumnSchema getColumnSchema() {
     return this.columnSchema;
   }
diff --git a/core/src/main/java/org/apache/carbondata/core/metadata/schema/table/column/ColumnSchema.java b/core/src/main/java/org/apache/carbondata/core/metadata/schema/table/column/ColumnSchema.java
index 6b4bd91..ac4e7a9 100644
--- a/core/src/main/java/org/apache/carbondata/core/metadata/schema/table/column/ColumnSchema.java
+++ b/core/src/main/java/org/apache/carbondata/core/metadata/schema/table/column/ColumnSchema.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.metadata.schema.table.column;
 
 import java.io.DataInput;
@@ -414,6 +415,7 @@ public class ColumnSchema implements Serializable, Writable {
   public Map<String, String> getColumnProperties() {
     return columnProperties;
   }
+
   /**
    * return the visibility
    * @return
diff --git a/core/src/main/java/org/apache/carbondata/core/metadata/schema/table/column/ParentColumnTableRelation.java b/core/src/main/java/org/apache/carbondata/core/metadata/schema/table/column/ParentColumnTableRelation.java
index 659ba91..dd84ca2 100644
--- a/core/src/main/java/org/apache/carbondata/core/metadata/schema/table/column/ParentColumnTableRelation.java
+++ b/core/src/main/java/org/apache/carbondata/core/metadata/schema/table/column/ParentColumnTableRelation.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.metadata.schema.table.column;
 
 import java.io.DataInput;
diff --git a/core/src/main/java/org/apache/carbondata/core/mutate/DeleteDeltaVo.java b/core/src/main/java/org/apache/carbondata/core/mutate/DeleteDeltaVo.java
index ac50d7c..7d5dc5a 100644
--- a/core/src/main/java/org/apache/carbondata/core/mutate/DeleteDeltaVo.java
+++ b/core/src/main/java/org/apache/carbondata/core/mutate/DeleteDeltaVo.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.mutate;
 
 import java.util.BitSet;
diff --git a/core/src/main/java/org/apache/carbondata/core/mutate/TupleIdEnum.java b/core/src/main/java/org/apache/carbondata/core/mutate/TupleIdEnum.java
index e8c60b3..1c5d679 100644
--- a/core/src/main/java/org/apache/carbondata/core/mutate/TupleIdEnum.java
+++ b/core/src/main/java/org/apache/carbondata/core/mutate/TupleIdEnum.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.mutate;
 
 /**
diff --git a/core/src/main/java/org/apache/carbondata/core/mutate/UpdateVO.java b/core/src/main/java/org/apache/carbondata/core/mutate/UpdateVO.java
index c9d093c..1c5027f 100644
--- a/core/src/main/java/org/apache/carbondata/core/mutate/UpdateVO.java
+++ b/core/src/main/java/org/apache/carbondata/core/mutate/UpdateVO.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.mutate;
 
 import java.io.Serializable;
diff --git a/core/src/main/java/org/apache/carbondata/core/preagg/AggregateQueryPlan.java b/core/src/main/java/org/apache/carbondata/core/preagg/AggregateQueryPlan.java
index e895bde..4ff89f8 100644
--- a/core/src/main/java/org/apache/carbondata/core/preagg/AggregateQueryPlan.java
+++ b/core/src/main/java/org/apache/carbondata/core/preagg/AggregateQueryPlan.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.preagg;
 
 import java.util.List;
diff --git a/core/src/main/java/org/apache/carbondata/core/preagg/AggregateTableSelector.java b/core/src/main/java/org/apache/carbondata/core/preagg/AggregateTableSelector.java
index 79d0904..5cdbad0 100644
--- a/core/src/main/java/org/apache/carbondata/core/preagg/AggregateTableSelector.java
+++ b/core/src/main/java/org/apache/carbondata/core/preagg/AggregateTableSelector.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.preagg;
 
 import java.util.ArrayList;
diff --git a/core/src/main/java/org/apache/carbondata/core/preagg/TimeSeriesUDF.java b/core/src/main/java/org/apache/carbondata/core/preagg/TimeSeriesUDF.java
index 5cfa7f8..df03bcc 100644
--- a/core/src/main/java/org/apache/carbondata/core/preagg/TimeSeriesUDF.java
+++ b/core/src/main/java/org/apache/carbondata/core/preagg/TimeSeriesUDF.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.preagg;
 
 import java.sql.Timestamp;
diff --git a/core/src/main/java/org/apache/carbondata/core/readcommitter/LatestFilesReadCommittedScope.java b/core/src/main/java/org/apache/carbondata/core/readcommitter/LatestFilesReadCommittedScope.java
index bba7099..f31348a 100644
--- a/core/src/main/java/org/apache/carbondata/core/readcommitter/LatestFilesReadCommittedScope.java
+++ b/core/src/main/java/org/apache/carbondata/core/readcommitter/LatestFilesReadCommittedScope.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.readcommitter;
 
 import java.io.IOException;
diff --git a/core/src/main/java/org/apache/carbondata/core/readcommitter/ReadCommittedScope.java b/core/src/main/java/org/apache/carbondata/core/readcommitter/ReadCommittedScope.java
index 2c3518f..195bd5c 100644
--- a/core/src/main/java/org/apache/carbondata/core/readcommitter/ReadCommittedScope.java
+++ b/core/src/main/java/org/apache/carbondata/core/readcommitter/ReadCommittedScope.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.readcommitter;
 
 import java.io.IOException;
diff --git a/core/src/main/java/org/apache/carbondata/core/readcommitter/TableStatusReadCommittedScope.java b/core/src/main/java/org/apache/carbondata/core/readcommitter/TableStatusReadCommittedScope.java
index 1dd912d..cde9d8a 100644
--- a/core/src/main/java/org/apache/carbondata/core/readcommitter/TableStatusReadCommittedScope.java
+++ b/core/src/main/java/org/apache/carbondata/core/readcommitter/TableStatusReadCommittedScope.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.readcommitter;
 
 import java.io.IOException;
diff --git a/core/src/main/java/org/apache/carbondata/core/reader/CarbonDeleteDeltaFileReader.java b/core/src/main/java/org/apache/carbondata/core/reader/CarbonDeleteDeltaFileReader.java
index 49253a9..9ffcd90 100644
--- a/core/src/main/java/org/apache/carbondata/core/reader/CarbonDeleteDeltaFileReader.java
+++ b/core/src/main/java/org/apache/carbondata/core/reader/CarbonDeleteDeltaFileReader.java
@@ -21,7 +21,6 @@ import java.io.IOException;
 
 import org.apache.carbondata.core.mutate.DeleteDeltaBlockDetails;
 
-
 /**
  * CarbonDeleteDeltaFileReader contains all methods to read delete delta file data
  */
@@ -37,6 +36,7 @@ public interface CarbonDeleteDeltaFileReader {
    * @throws IOException if an I/O error occurs
    */
   String read() throws IOException;
+
   DeleteDeltaBlockDetails readJson() throws IOException;
 
 }
diff --git a/core/src/main/java/org/apache/carbondata/core/reader/CarbonDeleteFilesDataReader.java b/core/src/main/java/org/apache/carbondata/core/reader/CarbonDeleteFilesDataReader.java
index 8c901dc..9b7a6ed 100644
--- a/core/src/main/java/org/apache/carbondata/core/reader/CarbonDeleteFilesDataReader.java
+++ b/core/src/main/java/org/apache/carbondata/core/reader/CarbonDeleteFilesDataReader.java
@@ -196,11 +196,14 @@ public class CarbonDeleteFilesDataReader {
     }
     return deleteDeltaResultSet;
   }
+
   private static class DeleteDeltaFileReaderCallable implements Callable<DeleteDeltaBlockDetails> {
     private String deltaFile;
+
     DeleteDeltaFileReaderCallable(String deltaFile) {
       this.deltaFile = deltaFile;
     }
+
     @Override
     public DeleteDeltaBlockDetails call() throws IOException {
       CarbonDeleteDeltaFileReaderImpl deltaFileReader =
diff --git a/core/src/main/java/org/apache/carbondata/core/reader/CarbonHeaderReader.java b/core/src/main/java/org/apache/carbondata/core/reader/CarbonHeaderReader.java
index a98f702..5f4a381 100644
--- a/core/src/main/java/org/apache/carbondata/core/reader/CarbonHeaderReader.java
+++ b/core/src/main/java/org/apache/carbondata/core/reader/CarbonHeaderReader.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.reader;
 
 import java.io.IOException;
diff --git a/core/src/main/java/org/apache/carbondata/core/reader/CarbonIndexFileReader.java b/core/src/main/java/org/apache/carbondata/core/reader/CarbonIndexFileReader.java
index 59b2ad8..17870a0 100644
--- a/core/src/main/java/org/apache/carbondata/core/reader/CarbonIndexFileReader.java
+++ b/core/src/main/java/org/apache/carbondata/core/reader/CarbonIndexFileReader.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.reader;
 
 import java.io.IOException;
@@ -38,6 +39,7 @@ public class CarbonIndexFileReader {
   public CarbonIndexFileReader(Configuration configuration) {
     this.configuration = configuration;
   }
+
   /**
    * reader
    */
diff --git a/core/src/main/java/org/apache/carbondata/core/reader/sortindex/CarbonDictionarySortIndexReader.java b/core/src/main/java/org/apache/carbondata/core/reader/sortindex/CarbonDictionarySortIndexReader.java
index 7ede5f5..891bf0f 100644
--- a/core/src/main/java/org/apache/carbondata/core/reader/sortindex/CarbonDictionarySortIndexReader.java
+++ b/core/src/main/java/org/apache/carbondata/core/reader/sortindex/CarbonDictionarySortIndexReader.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.reader.sortindex;
 
 import java.io.Closeable;
diff --git a/core/src/main/java/org/apache/carbondata/core/reader/sortindex/CarbonDictionarySortIndexReaderImpl.java b/core/src/main/java/org/apache/carbondata/core/reader/sortindex/CarbonDictionarySortIndexReaderImpl.java
index 5487c80..0edad87 100644
--- a/core/src/main/java/org/apache/carbondata/core/reader/sortindex/CarbonDictionarySortIndexReaderImpl.java
+++ b/core/src/main/java/org/apache/carbondata/core/reader/sortindex/CarbonDictionarySortIndexReaderImpl.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.reader.sortindex;
 
 import java.io.IOException;
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/collector/ResultCollectorFactory.java b/core/src/main/java/org/apache/carbondata/core/scan/collector/ResultCollectorFactory.java
index f102a48..48a6ee6 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/collector/ResultCollectorFactory.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/collector/ResultCollectorFactory.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.collector;
 
 import org.apache.carbondata.common.logging.LogServiceFactory;
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/collector/ScannedResultCollector.java b/core/src/main/java/org/apache/carbondata/core/scan/collector/ScannedResultCollector.java
index 88b3065..c47be11 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/collector/ScannedResultCollector.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/collector/ScannedResultCollector.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.collector;
 
 import java.util.List;
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/collector/impl/AbstractScannedResultCollector.java b/core/src/main/java/org/apache/carbondata/core/scan/collector/impl/AbstractScannedResultCollector.java
index 051bef0..d9bd3c7 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/collector/impl/AbstractScannedResultCollector.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/collector/impl/AbstractScannedResultCollector.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.collector.impl;
 
 import java.math.BigDecimal;
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/collector/impl/DictionaryBasedResultCollector.java b/core/src/main/java/org/apache/carbondata/core/scan/collector/impl/DictionaryBasedResultCollector.java
index cdabbc0..3e39dca 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/collector/impl/DictionaryBasedResultCollector.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/collector/impl/DictionaryBasedResultCollector.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.collector.impl;
 
 import java.nio.ByteBuffer;
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/collector/impl/DictionaryBasedVectorResultCollector.java b/core/src/main/java/org/apache/carbondata/core/scan/collector/impl/DictionaryBasedVectorResultCollector.java
index b307825..719d322 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/collector/impl/DictionaryBasedVectorResultCollector.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/collector/impl/DictionaryBasedVectorResultCollector.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.collector.impl;
 
 import java.util.ArrayList;
@@ -265,5 +266,4 @@ public class DictionaryBasedVectorResultCollector extends AbstractScannedResultC
     }
   }
 
-
 }
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/collector/impl/RawBasedResultCollector.java b/core/src/main/java/org/apache/carbondata/core/scan/collector/impl/RawBasedResultCollector.java
index 7302b2c..c4851c7 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/collector/impl/RawBasedResultCollector.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/collector/impl/RawBasedResultCollector.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.collector.impl;
 
 import java.nio.charset.Charset;
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/collector/impl/RestructureBasedDictionaryResultCollector.java b/core/src/main/java/org/apache/carbondata/core/scan/collector/impl/RestructureBasedDictionaryResultCollector.java
index f0d6898..73b0d6d 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/collector/impl/RestructureBasedDictionaryResultCollector.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/collector/impl/RestructureBasedDictionaryResultCollector.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.collector.impl;
 
 import java.util.ArrayList;
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/collector/impl/RestructureBasedRawResultCollector.java b/core/src/main/java/org/apache/carbondata/core/scan/collector/impl/RestructureBasedRawResultCollector.java
index ed8d48e..c173f03 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/collector/impl/RestructureBasedRawResultCollector.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/collector/impl/RestructureBasedRawResultCollector.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.collector.impl;
 
 import java.util.ArrayList;
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/collector/impl/RestructureBasedVectorResultCollector.java b/core/src/main/java/org/apache/carbondata/core/scan/collector/impl/RestructureBasedVectorResultCollector.java
index a38b9e8..9b7da25 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/collector/impl/RestructureBasedVectorResultCollector.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/collector/impl/RestructureBasedVectorResultCollector.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.collector.impl;
 
 import java.math.BigDecimal;
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/collector/impl/RowIdRawBasedResultCollector.java b/core/src/main/java/org/apache/carbondata/core/scan/collector/impl/RowIdRawBasedResultCollector.java
index a68265d..a5625e2 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/collector/impl/RowIdRawBasedResultCollector.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/collector/impl/RowIdRawBasedResultCollector.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.collector.impl;
 
 import java.nio.charset.Charset;
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/collector/impl/RowIdRestructureBasedRawResultCollector.java b/core/src/main/java/org/apache/carbondata/core/scan/collector/impl/RowIdRestructureBasedRawResultCollector.java
index 28e778f..a8d99d2 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/collector/impl/RowIdRestructureBasedRawResultCollector.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/collector/impl/RowIdRestructureBasedRawResultCollector.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.collector.impl;
 
 import java.nio.charset.Charset;
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/complextypes/MapQueryType.java b/core/src/main/java/org/apache/carbondata/core/scan/complextypes/MapQueryType.java
index 54c1749..82798e4 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/complextypes/MapQueryType.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/complextypes/MapQueryType.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.complextypes;
 
 import java.nio.ByteBuffer;
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/executor/QueryExecutor.java b/core/src/main/java/org/apache/carbondata/core/scan/executor/QueryExecutor.java
index 1310987..d6f7341 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/executor/QueryExecutor.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/executor/QueryExecutor.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.executor;
 
 import java.io.IOException;
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/executor/QueryExecutorFactory.java b/core/src/main/java/org/apache/carbondata/core/scan/executor/QueryExecutorFactory.java
index 310e586..37c8f0a 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/executor/QueryExecutorFactory.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/executor/QueryExecutorFactory.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.executor;
 
 import org.apache.carbondata.core.scan.executor.impl.DetailQueryExecutor;
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/executor/exception/QueryExecutionException.java b/core/src/main/java/org/apache/carbondata/core/scan/executor/exception/QueryExecutionException.java
index 17f5d2c..921cce2 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/executor/exception/QueryExecutionException.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/executor/exception/QueryExecutionException.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.executor.exception;
 
 /**
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/executor/impl/AbstractQueryExecutor.java b/core/src/main/java/org/apache/carbondata/core/scan/executor/impl/AbstractQueryExecutor.java
index a174a91..9688868 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/executor/impl/AbstractQueryExecutor.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/executor/impl/AbstractQueryExecutor.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.executor.impl;
 
 import java.io.IOException;
@@ -109,6 +110,7 @@ public abstract class AbstractQueryExecutor<E> implements QueryExecutor<E> {
     // add executor service for query execution
     queryProperties.executorService = executorService;
   }
+
   /**
    * Below method will be used to fill the executor properties based on query
    * model it will parse the query model and get the detail and fill it in
@@ -636,8 +638,6 @@ public abstract class AbstractQueryExecutor<E> implements QueryExecutor<E> {
     return blockExecutionInfo;
   }
 
-
-
   /**
    * This method will be used to get fixed key length size this will be used
    * to create a row from column chunk
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/executor/impl/DetailQueryExecutor.java b/core/src/main/java/org/apache/carbondata/core/scan/executor/impl/DetailQueryExecutor.java
index e11c576..272575b 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/executor/impl/DetailQueryExecutor.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/executor/impl/DetailQueryExecutor.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.executor.impl;
 
 import java.io.IOException;
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/executor/impl/QueryExecutorProperties.java b/core/src/main/java/org/apache/carbondata/core/scan/executor/impl/QueryExecutorProperties.java
index 22939e1..ab0231a 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/executor/impl/QueryExecutorProperties.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/executor/impl/QueryExecutorProperties.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.executor.impl;
 
 import java.util.List;
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/executor/impl/VectorDetailQueryExecutor.java b/core/src/main/java/org/apache/carbondata/core/scan/executor/impl/VectorDetailQueryExecutor.java
index 46397c9..fb7b6c5 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/executor/impl/VectorDetailQueryExecutor.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/executor/impl/VectorDetailQueryExecutor.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.executor.impl;
 
 import java.io.IOException;
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/executor/infos/BlockExecutionInfo.java b/core/src/main/java/org/apache/carbondata/core/scan/executor/infos/BlockExecutionInfo.java
index 68acbba..0bd053c 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/executor/infos/BlockExecutionInfo.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/executor/infos/BlockExecutionInfo.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.executor.infos;
 
 import java.util.Map;
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/executor/infos/DeleteDeltaInfo.java b/core/src/main/java/org/apache/carbondata/core/scan/executor/infos/DeleteDeltaInfo.java
index 8e9e1a3..900b542 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/executor/infos/DeleteDeltaInfo.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/executor/infos/DeleteDeltaInfo.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.executor.infos;
 
 import java.util.Arrays;
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/executor/infos/MeasureInfo.java b/core/src/main/java/org/apache/carbondata/core/scan/executor/infos/MeasureInfo.java
index 5dd4fb8..7332fe4 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/executor/infos/MeasureInfo.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/executor/infos/MeasureInfo.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.executor.infos;
 
 import org.apache.carbondata.core.metadata.datatype.DataType;
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/executor/util/QueryUtil.java b/core/src/main/java/org/apache/carbondata/core/scan/executor/util/QueryUtil.java
index ced99b4..068d3c6 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/executor/util/QueryUtil.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/executor/util/QueryUtil.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.executor.util;
 
 import java.io.IOException;
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/executor/util/RestructureUtil.java b/core/src/main/java/org/apache/carbondata/core/scan/executor/util/RestructureUtil.java
index c88e259..afadaeb 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/executor/util/RestructureUtil.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/executor/util/RestructureUtil.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.executor.util;
 
 import java.math.BigDecimal;
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/expression/ColumnExpression.java b/core/src/main/java/org/apache/carbondata/core/scan/expression/ColumnExpression.java
index cb39553..954aaf4 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/expression/ColumnExpression.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/expression/ColumnExpression.java
@@ -140,5 +140,4 @@ public class ColumnExpression extends LeafExpression {
   public void findAndSetChild(Expression oldExpr, Expression newExpr) {
   }
 
-
 }
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/expression/LiteralExpression.java b/core/src/main/java/org/apache/carbondata/core/scan/expression/LiteralExpression.java
index 14accc1..7b5700a 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/expression/LiteralExpression.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/expression/LiteralExpression.java
@@ -17,7 +17,6 @@
 
 package org.apache.carbondata.core.scan.expression;
 
-
 import org.apache.carbondata.core.metadata.datatype.DataType;
 import org.apache.carbondata.core.scan.filter.intf.ExpressionType;
 import org.apache.carbondata.core.scan.filter.intf.RowIntf;
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/expression/RangeExpressionEvaluator.java b/core/src/main/java/org/apache/carbondata/core/scan/expression/RangeExpressionEvaluator.java
index f131c92..e14b57c 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/expression/RangeExpressionEvaluator.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/expression/RangeExpressionEvaluator.java
@@ -194,7 +194,6 @@ public class RangeExpressionEvaluator {
     }
   }
 
-
   private Map<String, List<FilterModificationNode>> convertFilterTreeToMap() {
     // Traverse the Filter Tree and add the nodes in filterExpressionMap.
     // Only those nodes will be added which has got LessThan, LessThanEqualTo
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/expression/conditional/GreaterThanExpression.java b/core/src/main/java/org/apache/carbondata/core/scan/expression/conditional/GreaterThanExpression.java
index aecd782..8cbb258 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/expression/conditional/GreaterThanExpression.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/expression/conditional/GreaterThanExpression.java
@@ -26,7 +26,6 @@ import org.apache.carbondata.core.scan.expression.exception.FilterUnsupportedExc
 import org.apache.carbondata.core.scan.filter.intf.ExpressionType;
 import org.apache.carbondata.core.scan.filter.intf.RowIntf;
 
-
 public class GreaterThanExpression extends BinaryConditionalExpression {
   private static final long serialVersionUID = -5319109756575539219L;
 
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/expression/conditional/ImplicitExpression.java b/core/src/main/java/org/apache/carbondata/core/scan/expression/conditional/ImplicitExpression.java
index 606dd35..a4d3f54 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/expression/conditional/ImplicitExpression.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/expression/conditional/ImplicitExpression.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.expression.conditional;
 
 import java.util.HashMap;
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/expression/exception/FilterIllegalMemberException.java b/core/src/main/java/org/apache/carbondata/core/scan/expression/exception/FilterIllegalMemberException.java
index 29b0f13..033c046 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/expression/exception/FilterIllegalMemberException.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/expression/exception/FilterIllegalMemberException.java
@@ -17,7 +17,6 @@
 
 package org.apache.carbondata.core.scan.expression.exception;
 
-
 /**
  * FilterIllegalMemberException class representing exception which can cause while evaluating
  * filter members needs to be gracefully handled without propagating to outer layer so that
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/expression/logical/FalseExpression.java b/core/src/main/java/org/apache/carbondata/core/scan/expression/logical/FalseExpression.java
index 3a2c7be..5bdd73f 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/expression/logical/FalseExpression.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/expression/logical/FalseExpression.java
@@ -27,14 +27,11 @@ import org.apache.carbondata.core.scan.expression.exception.FilterUnsupportedExc
 import org.apache.carbondata.core.scan.filter.intf.ExpressionType;
 import org.apache.carbondata.core.scan.filter.intf.RowIntf;
 
-
-
 /**
  * This class will form an expression whose evaluation will be always false.
  */
 public class FalseExpression  extends BinaryConditionalExpression {
 
-
   private static final long serialVersionUID = -8390184061336799370L;
 
   public FalseExpression(Expression child1) {
@@ -64,6 +61,7 @@ public class FalseExpression  extends BinaryConditionalExpression {
   public ExpressionType getFilterExpressionType() {
     return ExpressionType.FALSE;
   }
+
   @Override
   public String getString() {
     return "False(" + (null == left ? null : left.getString());
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/expression/logical/TrueExpression.java b/core/src/main/java/org/apache/carbondata/core/scan/expression/logical/TrueExpression.java
index d84d0bd..f00b9c5 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/expression/logical/TrueExpression.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/expression/logical/TrueExpression.java
@@ -62,6 +62,7 @@ public class TrueExpression extends BinaryConditionalExpression {
   public ExpressionType getFilterExpressionType() {
     return ExpressionType.TRUE;
   }
+
   @Override
   public String getString() {
     return "True(" + (null == left ? null : left.getString());
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/filter/ColumnFilterInfo.java b/core/src/main/java/org/apache/carbondata/core/scan/filter/ColumnFilterInfo.java
index bf7694a..316dd38 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/filter/ColumnFilterInfo.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/filter/ColumnFilterInfo.java
@@ -80,9 +80,11 @@ public class ColumnFilterInfo implements Serializable {
   public List<Integer> getExcludeFilterList() {
     return excludeFilterList;
   }
+
   public void setExcludeFilterList(List<Integer> excludeFilterList) {
     this.excludeFilterList = excludeFilterList;
   }
+
   public Map<String, Set<Integer>> getImplicitColumnFilterBlockToBlockletsMap() {
     return implicitColumnFilterBlockToBlockletsMap;
   }
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/filter/FilterExecutorUtil.java b/core/src/main/java/org/apache/carbondata/core/scan/filter/FilterExecutorUtil.java
index 4000687..efd219f 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/filter/FilterExecutorUtil.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/filter/FilterExecutorUtil.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.filter;
 
 import java.util.AbstractCollection;
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/filter/FilterExpressionProcessor.java b/core/src/main/java/org/apache/carbondata/core/scan/filter/FilterExpressionProcessor.java
index f808e27..9baf232 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/filter/FilterExpressionProcessor.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/filter/FilterExpressionProcessor.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.filter;
 
 import java.io.IOException;
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/filter/FilterUtil.java b/core/src/main/java/org/apache/carbondata/core/scan/filter/FilterUtil.java
index 2d4af60..f29ea42 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/filter/FilterUtil.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/filter/FilterUtil.java
@@ -513,6 +513,7 @@ public final class FilterUtil {
     }
     return false;
   }
+
   /**
    * This method will check if a given expression contains a column expression
    * recursively.
@@ -840,8 +841,6 @@ public final class FilterUtil {
     return excludeFilterList;
   }
 
-
-
   /**
    * This API will get the Dictionary value for the respective filter member
    * string.
@@ -1553,8 +1552,6 @@ public final class FilterUtil {
     }
   }
 
-
-
   /**
    * method will create a default end key in case of no end key is been derived using existing
    * filter or in case of non filter queries.
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/AndFilterExecuterImpl.java b/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/AndFilterExecuterImpl.java
index da63a2b..20e57ee 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/AndFilterExecuterImpl.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/AndFilterExecuterImpl.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.filter.executer;
 
 import java.io.IOException;
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/BitSetUpdaterFactory.java b/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/BitSetUpdaterFactory.java
index abdf6ff..375ba61 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/BitSetUpdaterFactory.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/BitSetUpdaterFactory.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.filter.executer;
 
 import java.util.BitSet;
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/DimColumnExecuterFilterInfo.java b/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/DimColumnExecuterFilterInfo.java
index e907ea4..6291de2 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/DimColumnExecuterFilterInfo.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/DimColumnExecuterFilterInfo.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.filter.executer;
 
 public class DimColumnExecuterFilterInfo {
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/ExcludeFilterExecuterImpl.java b/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/ExcludeFilterExecuterImpl.java
index 36c510c..5a9095c 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/ExcludeFilterExecuterImpl.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/ExcludeFilterExecuterImpl.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.filter.executer;
 
 import java.io.IOException;
@@ -65,6 +66,7 @@ public class ExcludeFilterExecuterImpl implements FilterExecuter {
     this.filterBitSetUpdater =
         BitSetUpdaterFactory.INSTANCE.getBitSetUpdater(FilterExecuterType.EXCLUDE);
   }
+
   public ExcludeFilterExecuterImpl(DimColumnResolvedFilterInfo dimColEvaluatorInfo,
       MeasureColumnResolvedFilterInfo msrColumnEvaluatorInfo, SegmentProperties segmentProperties,
       boolean isMeasure) {
@@ -222,6 +224,7 @@ public class ExcludeFilterExecuterImpl implements FilterExecuter {
       return getFilteredIndexes(measureColumnPage, numberOfRows, msrDataType);
     }
   }
+
   /**
    * Below method will be used to apply filter on measure column based on previous filtered indexes
    * @param measureColumnPage
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/FalseFilterExecutor.java b/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/FalseFilterExecutor.java
index 4066af8..eb4b2ea 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/FalseFilterExecutor.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/FalseFilterExecutor.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.filter.executer;
 
 import java.io.IOException;
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/FilterBitSetUpdater.java b/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/FilterBitSetUpdater.java
index 39f0425..52abb37 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/FilterBitSetUpdater.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/FilterBitSetUpdater.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.filter.executer;
 
 import java.util.BitSet;
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/FilterExecuter.java b/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/FilterExecuter.java
index 88b9d6c..6077e84 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/FilterExecuter.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/FilterExecuter.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.filter.executer;
 
 import java.io.IOException;
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/ImplicitColumnFilterExecutor.java b/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/ImplicitColumnFilterExecutor.java
index 8cdb0f1..d25f975 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/ImplicitColumnFilterExecutor.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/ImplicitColumnFilterExecutor.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.filter.executer;
 
 import java.util.BitSet;
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/IncludeFilterExecuterImpl.java b/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/IncludeFilterExecuterImpl.java
index 53860ee..ee366bd 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/IncludeFilterExecuterImpl.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/IncludeFilterExecuterImpl.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.filter.executer;
 
 import java.io.IOException;
@@ -419,6 +420,7 @@ public class IncludeFilterExecuterImpl implements FilterExecuter {
     }
     return bitSet;
   }
+
   private BitSet setFilterdIndexToBitSetWithColumnIndex(
       DimensionColumnPage dimensionColumnPage, int numerOfRows) {
     BitSet bitSet = new BitSet(numerOfRows);
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/MeasureColumnExecuterFilterInfo.java b/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/MeasureColumnExecuterFilterInfo.java
index 5b5b298..1a325ea 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/MeasureColumnExecuterFilterInfo.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/MeasureColumnExecuterFilterInfo.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.filter.executer;
 
 import java.util.AbstractCollection;
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/OrFilterExecuterImpl.java b/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/OrFilterExecuterImpl.java
index 951d965..8d3fd8f 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/OrFilterExecuterImpl.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/OrFilterExecuterImpl.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.filter.executer;
 
 import java.io.IOException;
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/RangeValueFilterExecuterImpl.java b/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/RangeValueFilterExecuterImpl.java
index bcae001..2c1a242 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/RangeValueFilterExecuterImpl.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/RangeValueFilterExecuterImpl.java
@@ -256,8 +256,6 @@ public class RangeValueFilterExecuterImpl implements FilterExecuter {
     return false;
   }
 
-
-
   /**
    * Method to identify if scanning of Data Block required or not by comparing the Block Min and Max
    * values and comparing them with filter min and max value.
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/RestructureExcludeFilterExecutorImpl.java b/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/RestructureExcludeFilterExecutorImpl.java
index a57c730..15c23e6 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/RestructureExcludeFilterExecutorImpl.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/RestructureExcludeFilterExecutorImpl.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.filter.executer;
 
 import java.io.IOException;
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/RestructureIncludeFilterExecutorImpl.java b/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/RestructureIncludeFilterExecutorImpl.java
index fc6f9c3..30c809e 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/RestructureIncludeFilterExecutorImpl.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/RestructureIncludeFilterExecutorImpl.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.filter.executer;
 
 import java.io.IOException;
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/RowLevelFilterExecuterImpl.java b/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/RowLevelFilterExecuterImpl.java
index ac0319e..7463924 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/RowLevelFilterExecuterImpl.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/RowLevelFilterExecuterImpl.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.filter.executer;
 
 import java.io.ByteArrayOutputStream;
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/RowLevelRangeGrtThanFiterExecuterImpl.java b/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/RowLevelRangeGrtThanFiterExecuterImpl.java
index 5aae594..dd0986a 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/RowLevelRangeGrtThanFiterExecuterImpl.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/RowLevelRangeGrtThanFiterExecuterImpl.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.filter.executer;
 
 import java.io.IOException;
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/RowLevelRangeGrtrThanEquaToFilterExecuterImpl.java b/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/RowLevelRangeGrtrThanEquaToFilterExecuterImpl.java
index 91a2e17..ecf78f8 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/RowLevelRangeGrtrThanEquaToFilterExecuterImpl.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/RowLevelRangeGrtrThanEquaToFilterExecuterImpl.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.filter.executer;
 
 import java.io.IOException;
@@ -447,7 +448,6 @@ public class RowLevelRangeGrtrThanEquaToFilterExecuterImpl extends RowLevelFilte
     return bitSet;
   }
 
-
   private BitSet getFilteredIndexes(DimensionColumnPage dimensionColumnPage,
       int numerOfRows) {
     BitSet bitSet = null;
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/RowLevelRangeLessThanEqualFilterExecuterImpl.java b/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/RowLevelRangeLessThanEqualFilterExecuterImpl.java
index ed0efea..a79b99d 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/RowLevelRangeLessThanEqualFilterExecuterImpl.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/RowLevelRangeLessThanEqualFilterExecuterImpl.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.filter.executer;
 
 import java.io.IOException;
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/RowLevelRangeLessThanFilterExecuterImpl.java b/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/RowLevelRangeLessThanFilterExecuterImpl.java
index 3e0b55d..9c887da 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/RowLevelRangeLessThanFilterExecuterImpl.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/RowLevelRangeLessThanFilterExecuterImpl.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.filter.executer;
 
 import java.io.IOException;
@@ -150,7 +151,6 @@ public class RowLevelRangeLessThanFilterExecuterImpl extends RowLevelFilterExecu
     return bitSet;
   }
 
-
   private boolean isScanRequired(byte[] blockMinValue, byte[][] filterValues, boolean isMinMaxSet) {
     if (!isMinMaxSet) {
       // scan complete data if min max is not written for a given column
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/RowLevelRangeTypeExecuterFactory.java b/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/RowLevelRangeTypeExecuterFactory.java
index 3aeb71f..da9da0a 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/RowLevelRangeTypeExecuterFactory.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/filter/executer/RowLevelRangeTypeExecuterFactory.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.filter.executer;
 
 import org.apache.carbondata.core.datastore.block.SegmentProperties;
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/filter/intf/FilterExecuterType.java b/core/src/main/java/org/apache/carbondata/core/scan/filter/intf/FilterExecuterType.java
index d10b2e5..58d95c1 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/filter/intf/FilterExecuterType.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/filter/intf/FilterExecuterType.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.filter.intf;
 
 import java.io.Serializable;
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/filter/resolver/ConditionalFilterResolverImpl.java b/core/src/main/java/org/apache/carbondata/core/scan/filter/resolver/ConditionalFilterResolverImpl.java
index 20da026..0c3c51f 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/filter/resolver/ConditionalFilterResolverImpl.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/filter/resolver/ConditionalFilterResolverImpl.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.filter.resolver;
 
 import java.io.IOException;
@@ -309,7 +310,6 @@ public class ConditionalFilterResolverImpl implements FilterResolverIntf {
     return null;
   }
 
-
   @Override
   public Expression getFilterExpression() {
     // TODO Auto-generated method stub
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/filter/resolver/FilterResolverIntf.java b/core/src/main/java/org/apache/carbondata/core/scan/filter/resolver/FilterResolverIntf.java
index 89a3890..d7cbbc9 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/filter/resolver/FilterResolverIntf.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/filter/resolver/FilterResolverIntf.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.filter.resolver;
 
 import java.io.IOException;
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/filter/resolver/LogicalFilterResolverImpl.java b/core/src/main/java/org/apache/carbondata/core/scan/filter/resolver/LogicalFilterResolverImpl.java
index e48456f..53aad87 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/filter/resolver/LogicalFilterResolverImpl.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/filter/resolver/LogicalFilterResolverImpl.java
@@ -91,6 +91,7 @@ public class LogicalFilterResolverImpl implements FilterResolverIntf {
   public MeasureColumnResolvedFilterInfo getMsrColResolvedFilterInfo() {
     return null;
   }
+
   @Override
   public void getStartKey(SegmentProperties segmentProperties, long[] startKey,
       SortedMap<Integer, byte[]> setOfStartKeyByteArray, List<long[]> startKeyList) {
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/filter/resolver/RowLevelRangeFilterResolverImpl.java b/core/src/main/java/org/apache/carbondata/core/scan/filter/resolver/RowLevelRangeFilterResolverImpl.java
index 91e2e5b..bf08a45 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/filter/resolver/RowLevelRangeFilterResolverImpl.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/filter/resolver/RowLevelRangeFilterResolverImpl.java
@@ -118,7 +118,6 @@ public class RowLevelRangeFilterResolverImpl extends ConditionalFilterResolverIm
     return null;
   }
 
-
   /**
    * method will get the start key based on the filter surrogates
    *
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/filter/resolver/metadata/FilterResolverMetadata.java b/core/src/main/java/org/apache/carbondata/core/scan/filter/resolver/metadata/FilterResolverMetadata.java
index 324a94f..9913496 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/filter/resolver/metadata/FilterResolverMetadata.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/filter/resolver/metadata/FilterResolverMetadata.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.filter.resolver.metadata;
 
 import org.apache.carbondata.core.metadata.AbsoluteTableIdentifier;
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/filter/resolver/resolverinfo/FalseConditionalResolverImpl.java b/core/src/main/java/org/apache/carbondata/core/scan/filter/resolver/resolverinfo/FalseConditionalResolverImpl.java
index 16c5f09..66b94af 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/filter/resolver/resolverinfo/FalseConditionalResolverImpl.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/filter/resolver/resolverinfo/FalseConditionalResolverImpl.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.filter.resolver.resolverinfo;
 
 import org.apache.carbondata.core.metadata.AbsoluteTableIdentifier;
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/filter/resolver/resolverinfo/MeasureColumnResolvedFilterInfo.java b/core/src/main/java/org/apache/carbondata/core/scan/filter/resolver/resolverinfo/MeasureColumnResolvedFilterInfo.java
index dcb4a3d..ba4f69e 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/filter/resolver/resolverinfo/MeasureColumnResolvedFilterInfo.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/filter/resolver/resolverinfo/MeasureColumnResolvedFilterInfo.java
@@ -157,5 +157,4 @@ public class MeasureColumnResolvedFilterInfo extends ColumnResolvedFilterInfo
     return msrColumnResolvedFilterInfo;
   }
 
-
 }
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/filter/resolver/resolverinfo/visitor/CustomTypeDictionaryVisitor.java b/core/src/main/java/org/apache/carbondata/core/scan/filter/resolver/resolverinfo/visitor/CustomTypeDictionaryVisitor.java
index 882623d..6d7002c 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/filter/resolver/resolverinfo/visitor/CustomTypeDictionaryVisitor.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/filter/resolver/resolverinfo/visitor/CustomTypeDictionaryVisitor.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.filter.resolver.resolverinfo.visitor;
 
 import java.util.ArrayList;
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/filter/resolver/resolverinfo/visitor/DictionaryColumnVisitor.java b/core/src/main/java/org/apache/carbondata/core/scan/filter/resolver/resolverinfo/visitor/DictionaryColumnVisitor.java
index d2eecc9..c3b069b 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/filter/resolver/resolverinfo/visitor/DictionaryColumnVisitor.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/filter/resolver/resolverinfo/visitor/DictionaryColumnVisitor.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.filter.resolver.resolverinfo.visitor;
 
 import java.io.IOException;
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/filter/resolver/resolverinfo/visitor/FilterInfoTypeVisitorFactory.java b/core/src/main/java/org/apache/carbondata/core/scan/filter/resolver/resolverinfo/visitor/FilterInfoTypeVisitorFactory.java
index 11db803..ba34149 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/filter/resolver/resolverinfo/visitor/FilterInfoTypeVisitorFactory.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/filter/resolver/resolverinfo/visitor/FilterInfoTypeVisitorFactory.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.filter.resolver.resolverinfo.visitor;
 
 import org.apache.carbondata.core.metadata.encoder.Encoding;
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/filter/resolver/resolverinfo/visitor/ImplicitColumnVisitor.java b/core/src/main/java/org/apache/carbondata/core/scan/filter/resolver/resolverinfo/visitor/ImplicitColumnVisitor.java
index 8c0b7f2..3d49050 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/filter/resolver/resolverinfo/visitor/ImplicitColumnVisitor.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/filter/resolver/resolverinfo/visitor/ImplicitColumnVisitor.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.filter.resolver.resolverinfo.visitor;
 
 import java.util.Map;
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/filter/resolver/resolverinfo/visitor/MeasureColumnVisitor.java b/core/src/main/java/org/apache/carbondata/core/scan/filter/resolver/resolverinfo/visitor/MeasureColumnVisitor.java
index ac4ced8..080a424 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/filter/resolver/resolverinfo/visitor/MeasureColumnVisitor.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/filter/resolver/resolverinfo/visitor/MeasureColumnVisitor.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.filter.resolver.resolverinfo.visitor;
 
 import java.util.ArrayList;
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/filter/resolver/resolverinfo/visitor/NoDictionaryTypeVisitor.java b/core/src/main/java/org/apache/carbondata/core/scan/filter/resolver/resolverinfo/visitor/NoDictionaryTypeVisitor.java
index 132f854..cca8c2b 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/filter/resolver/resolverinfo/visitor/NoDictionaryTypeVisitor.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/filter/resolver/resolverinfo/visitor/NoDictionaryTypeVisitor.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.filter.resolver.resolverinfo.visitor;
 
 import java.util.ArrayList;
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/filter/resolver/resolverinfo/visitor/ResolvedFilterInfoVisitorIntf.java b/core/src/main/java/org/apache/carbondata/core/scan/filter/resolver/resolverinfo/visitor/ResolvedFilterInfoVisitorIntf.java
index 480550b..05a4e42 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/filter/resolver/resolverinfo/visitor/ResolvedFilterInfoVisitorIntf.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/filter/resolver/resolverinfo/visitor/ResolvedFilterInfoVisitorIntf.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.filter.resolver.resolverinfo.visitor;
 
 import java.io.IOException;
@@ -22,7 +23,6 @@ import org.apache.carbondata.core.scan.expression.exception.FilterUnsupportedExc
 import org.apache.carbondata.core.scan.filter.resolver.metadata.FilterResolverMetadata;
 import org.apache.carbondata.core.scan.filter.resolver.resolverinfo.ColumnResolvedFilterInfo;
 
-
 public interface ResolvedFilterInfoVisitorIntf {
 
   /**
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/model/ProjectionColumn.java b/core/src/main/java/org/apache/carbondata/core/scan/model/ProjectionColumn.java
index 0768221..d11f0ae 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/model/ProjectionColumn.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/model/ProjectionColumn.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.model;
 
 /**
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/processor/BlockScan.java b/core/src/main/java/org/apache/carbondata/core/scan/processor/BlockScan.java
index 88f1503..330d25d 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/processor/BlockScan.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/processor/BlockScan.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.processor;
 
 import java.util.LinkedList;
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/processor/DataBlockIterator.java b/core/src/main/java/org/apache/carbondata/core/scan/processor/DataBlockIterator.java
index 84b5227..4420dff 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/processor/DataBlockIterator.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/processor/DataBlockIterator.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.processor;
 
 import java.io.IOException;
@@ -248,7 +249,6 @@ public class DataBlockIterator extends CarbonIterator<List<Object[]>> {
     }
   }
 
-
   /**
    * Close the resources
    */
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/processor/RawBlockletColumnChunks.java b/core/src/main/java/org/apache/carbondata/core/scan/processor/RawBlockletColumnChunks.java
index 6b7e880..116c919 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/processor/RawBlockletColumnChunks.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/processor/RawBlockletColumnChunks.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.processor;
 
 import org.apache.carbondata.core.datastore.DataRefNode;
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/result/BlockletScannedResult.java b/core/src/main/java/org/apache/carbondata/core/scan/result/BlockletScannedResult.java
index ee8a254..a4c1c6c 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/result/BlockletScannedResult.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/result/BlockletScannedResult.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.result;
 
 import java.io.ByteArrayOutputStream;
@@ -519,7 +520,6 @@ public abstract class BlockletScannedResult {
    * @return
    */
 
-
   public abstract void fillValidRowIdsBatchFilling(int rowId, int batchSize);
 
   protected void clearValidRowIdList() {
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/result/impl/FilterQueryScannedResult.java b/core/src/main/java/org/apache/carbondata/core/scan/result/impl/FilterQueryScannedResult.java
index 102f541..245135a 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/result/impl/FilterQueryScannedResult.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/result/impl/FilterQueryScannedResult.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.result.impl;
 
 import java.util.List;
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/result/impl/NonFilterQueryScannedResult.java b/core/src/main/java/org/apache/carbondata/core/scan/result/impl/NonFilterQueryScannedResult.java
index 1ba6992..c9f6b0c 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/result/impl/NonFilterQueryScannedResult.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/result/impl/NonFilterQueryScannedResult.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.result.impl;
 
 import java.util.List;
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/result/iterator/AbstractDetailQueryResultIterator.java b/core/src/main/java/org/apache/carbondata/core/scan/result/iterator/AbstractDetailQueryResultIterator.java
index ec57ab2..fa97d7a 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/result/iterator/AbstractDetailQueryResultIterator.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/result/iterator/AbstractDetailQueryResultIterator.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.result.iterator;
 
 import java.io.IOException;
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/result/iterator/ColumnDriftRawResultIterator.java b/core/src/main/java/org/apache/carbondata/core/scan/result/iterator/ColumnDriftRawResultIterator.java
index d3fed76..990d54c 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/result/iterator/ColumnDriftRawResultIterator.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/result/iterator/ColumnDriftRawResultIterator.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.result.iterator;
 
 import java.util.ArrayList;
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/result/iterator/DetailQueryResultIterator.java b/core/src/main/java/org/apache/carbondata/core/scan/result/iterator/DetailQueryResultIterator.java
index 60b7136..ad530d3 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/result/iterator/DetailQueryResultIterator.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/result/iterator/DetailQueryResultIterator.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.result.iterator;
 
 import java.util.List;
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/result/iterator/PartitionSpliterRawResultIterator.java b/core/src/main/java/org/apache/carbondata/core/scan/result/iterator/PartitionSpliterRawResultIterator.java
index f19b3a5..790657a 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/result/iterator/PartitionSpliterRawResultIterator.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/result/iterator/PartitionSpliterRawResultIterator.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.result.iterator;
 
 import org.apache.carbondata.common.CarbonIterator;
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/result/iterator/RawResultIterator.java b/core/src/main/java/org/apache/carbondata/core/scan/result/iterator/RawResultIterator.java
index 911a7dd..b7fdc03 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/result/iterator/RawResultIterator.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/result/iterator/RawResultIterator.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.result.iterator;
 
 import java.util.ArrayList;
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/result/iterator/VectorDetailQueryResultIterator.java b/core/src/main/java/org/apache/carbondata/core/scan/result/iterator/VectorDetailQueryResultIterator.java
index c7cb00d..0330878 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/result/iterator/VectorDetailQueryResultIterator.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/result/iterator/VectorDetailQueryResultIterator.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.result.iterator;
 
 import java.util.List;
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/result/vector/CarbonColumnVector.java b/core/src/main/java/org/apache/carbondata/core/scan/result/vector/CarbonColumnVector.java
index 70a2105..52494ad 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/result/vector/CarbonColumnVector.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/result/vector/CarbonColumnVector.java
@@ -106,7 +106,6 @@ public interface CarbonColumnVector {
 
   void setFilteredRowsExist(boolean filteredRowsExist);
 
-
   void setDictionary(CarbonDictionary dictionary);
 
   boolean hasDictionary();
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/result/vector/CarbonDictionary.java b/core/src/main/java/org/apache/carbondata/core/scan/result/vector/CarbonDictionary.java
index 298eadc..e036507 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/result/vector/CarbonDictionary.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/result/vector/CarbonDictionary.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.result.vector;
 
 public interface CarbonDictionary  {
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/result/vector/ColumnVectorInfo.java b/core/src/main/java/org/apache/carbondata/core/scan/result/vector/ColumnVectorInfo.java
index ad0a86b..bbbe78b 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/result/vector/ColumnVectorInfo.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/result/vector/ColumnVectorInfo.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.result.vector;
 
 import java.util.BitSet;
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/result/vector/MeasureDataVectorProcessor.java b/core/src/main/java/org/apache/carbondata/core/scan/result/vector/MeasureDataVectorProcessor.java
index 808f646..11b3d7d 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/result/vector/MeasureDataVectorProcessor.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/result/vector/MeasureDataVectorProcessor.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.result.vector;
 
 import java.math.BigDecimal;
@@ -302,6 +303,7 @@ public class MeasureDataVectorProcessor {
       }
     }
   }
+
   public static class FloatMeasureVectorFiller implements MeasureVectorFiller {
 
     @Override
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/result/vector/impl/CarbonColumnVectorImpl.java b/core/src/main/java/org/apache/carbondata/core/scan/result/vector/impl/CarbonColumnVectorImpl.java
index 094da65..5d25f95 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/result/vector/impl/CarbonColumnVectorImpl.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/result/vector/impl/CarbonColumnVectorImpl.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.result.vector.impl;
 
 import java.math.BigDecimal;
@@ -222,7 +223,6 @@ public class CarbonColumnVectorImpl implements CarbonColumnVector {
     return nullBytes.get(rowId);
   }
 
-
   @Override
   public boolean isNull(int rowId) {
     return nullBytes.get(rowId);
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/result/vector/impl/CarbonDictionaryImpl.java b/core/src/main/java/org/apache/carbondata/core/scan/result/vector/impl/CarbonDictionaryImpl.java
index 9efad25..37a462e 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/result/vector/impl/CarbonDictionaryImpl.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/result/vector/impl/CarbonDictionaryImpl.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.result.vector.impl;
 
 import org.apache.carbondata.core.scan.result.vector.CarbonDictionary;
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/result/vector/impl/directread/ColumnarVectorWrapperDirectWithInvertedIndex.java b/core/src/main/java/org/apache/carbondata/core/scan/result/vector/impl/directread/ColumnarVectorWrapperDirectWithInvertedIndex.java
index b607c9f..971d219 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/result/vector/impl/directread/ColumnarVectorWrapperDirectWithInvertedIndex.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/result/vector/impl/directread/ColumnarVectorWrapperDirectWithInvertedIndex.java
@@ -85,7 +85,6 @@ public class ColumnarVectorWrapperDirectWithInvertedIndex extends AbstractCarbon
     columnVector.putByteArray(invertedIndex[rowId], offset, length, value);
   }
 
-
   @Override
   public void putByte(int rowId, byte value) {
     columnVector.putByte(invertedIndex[rowId], value);
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/scanner/BlockletScanner.java b/core/src/main/java/org/apache/carbondata/core/scan/scanner/BlockletScanner.java
index 0a41032..390b889 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/scanner/BlockletScanner.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/scanner/BlockletScanner.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.scanner;
 
 import java.io.IOException;
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/scanner/LazyPageLoader.java b/core/src/main/java/org/apache/carbondata/core/scan/scanner/LazyPageLoader.java
index 0aca79a..59e91d2 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/scanner/LazyPageLoader.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/scanner/LazyPageLoader.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.scanner;
 
 import java.io.IOException;
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/scanner/impl/BlockletFullScanner.java b/core/src/main/java/org/apache/carbondata/core/scan/scanner/impl/BlockletFullScanner.java
index a501768..62f883d 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/scanner/impl/BlockletFullScanner.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/scanner/impl/BlockletFullScanner.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.scanner.impl;
 
 import java.io.IOException;
diff --git a/core/src/main/java/org/apache/carbondata/core/scan/wrappers/ByteArrayWrapper.java b/core/src/main/java/org/apache/carbondata/core/scan/wrappers/ByteArrayWrapper.java
index ff70aff..00470bd 100644
--- a/core/src/main/java/org/apache/carbondata/core/scan/wrappers/ByteArrayWrapper.java
+++ b/core/src/main/java/org/apache/carbondata/core/scan/wrappers/ByteArrayWrapper.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.wrappers;
 
 import java.io.Serializable;
@@ -94,7 +95,6 @@ public class ByteArrayWrapper implements Comparable<ByteArrayWrapper>, Serializa
     return this.noDictionaryKeys;
   }
 
-
   /**
    * to get the complex column data
    *
diff --git a/core/src/main/java/org/apache/carbondata/core/service/CarbonCommonFactory.java b/core/src/main/java/org/apache/carbondata/core/service/CarbonCommonFactory.java
index 3ddf00b..6d86bb0 100644
--- a/core/src/main/java/org/apache/carbondata/core/service/CarbonCommonFactory.java
+++ b/core/src/main/java/org/apache/carbondata/core/service/CarbonCommonFactory.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.service;
 
 import org.apache.carbondata.core.service.impl.DictionaryFactory;
diff --git a/core/src/main/java/org/apache/carbondata/core/service/ColumnUniqueIdService.java b/core/src/main/java/org/apache/carbondata/core/service/ColumnUniqueIdService.java
index fbaca58..06ec86a 100644
--- a/core/src/main/java/org/apache/carbondata/core/service/ColumnUniqueIdService.java
+++ b/core/src/main/java/org/apache/carbondata/core/service/ColumnUniqueIdService.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.service;
 
 import org.apache.carbondata.core.metadata.schema.table.column.ColumnSchema;
diff --git a/core/src/main/java/org/apache/carbondata/core/service/DictionaryService.java b/core/src/main/java/org/apache/carbondata/core/service/DictionaryService.java
index 01b6e79..068e552 100644
--- a/core/src/main/java/org/apache/carbondata/core/service/DictionaryService.java
+++ b/core/src/main/java/org/apache/carbondata/core/service/DictionaryService.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.service;
 
 import org.apache.carbondata.core.cache.dictionary.DictionaryColumnUniqueIdentifier;
diff --git a/core/src/main/java/org/apache/carbondata/core/service/impl/ColumnUniqueIdGenerator.java b/core/src/main/java/org/apache/carbondata/core/service/impl/ColumnUniqueIdGenerator.java
index 767ae28..5a28e51 100644
--- a/core/src/main/java/org/apache/carbondata/core/service/impl/ColumnUniqueIdGenerator.java
+++ b/core/src/main/java/org/apache/carbondata/core/service/impl/ColumnUniqueIdGenerator.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.service.impl;
 
 import java.util.UUID;
diff --git a/core/src/main/java/org/apache/carbondata/core/service/impl/DictionaryFactory.java b/core/src/main/java/org/apache/carbondata/core/service/impl/DictionaryFactory.java
index b1329b2..ba55b75 100644
--- a/core/src/main/java/org/apache/carbondata/core/service/impl/DictionaryFactory.java
+++ b/core/src/main/java/org/apache/carbondata/core/service/impl/DictionaryFactory.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.service.impl;
 
 import org.apache.carbondata.core.cache.dictionary.DictionaryColumnUniqueIdentifier;
diff --git a/core/src/main/java/org/apache/carbondata/core/stats/DriverQueryStatisticsRecorderDummy.java b/core/src/main/java/org/apache/carbondata/core/stats/DriverQueryStatisticsRecorderDummy.java
index 130bc43..922392c 100644
--- a/core/src/main/java/org/apache/carbondata/core/stats/DriverQueryStatisticsRecorderDummy.java
+++ b/core/src/main/java/org/apache/carbondata/core/stats/DriverQueryStatisticsRecorderDummy.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.stats;
 
 /**
diff --git a/core/src/main/java/org/apache/carbondata/core/stats/DriverQueryStatisticsRecorderImpl.java b/core/src/main/java/org/apache/carbondata/core/stats/DriverQueryStatisticsRecorderImpl.java
index 7dfc5dd..3001e2d 100644
--- a/core/src/main/java/org/apache/carbondata/core/stats/DriverQueryStatisticsRecorderImpl.java
+++ b/core/src/main/java/org/apache/carbondata/core/stats/DriverQueryStatisticsRecorderImpl.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.stats;
 
 import java.util.ArrayList;
diff --git a/core/src/main/java/org/apache/carbondata/core/stats/QueryStatistic.java b/core/src/main/java/org/apache/carbondata/core/stats/QueryStatistic.java
index 5b0bd6a..b21bb94 100644
--- a/core/src/main/java/org/apache/carbondata/core/stats/QueryStatistic.java
+++ b/core/src/main/java/org/apache/carbondata/core/stats/QueryStatistic.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.stats;
 
 import java.io.Serializable;
diff --git a/core/src/main/java/org/apache/carbondata/core/stats/QueryStatisticsRecorder.java b/core/src/main/java/org/apache/carbondata/core/stats/QueryStatisticsRecorder.java
index 69bd485..6fee8ec 100644
--- a/core/src/main/java/org/apache/carbondata/core/stats/QueryStatisticsRecorder.java
+++ b/core/src/main/java/org/apache/carbondata/core/stats/QueryStatisticsRecorder.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.stats;
 
 /**
diff --git a/core/src/main/java/org/apache/carbondata/core/stats/QueryStatisticsRecorderDummy.java b/core/src/main/java/org/apache/carbondata/core/stats/QueryStatisticsRecorderDummy.java
index e312f53..854aac3 100644
--- a/core/src/main/java/org/apache/carbondata/core/stats/QueryStatisticsRecorderDummy.java
+++ b/core/src/main/java/org/apache/carbondata/core/stats/QueryStatisticsRecorderDummy.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.stats;
 
 import java.io.Serializable;
diff --git a/core/src/main/java/org/apache/carbondata/core/stats/QueryStatisticsRecorderImpl.java b/core/src/main/java/org/apache/carbondata/core/stats/QueryStatisticsRecorderImpl.java
index 661bf93..ad2e8fe 100644
--- a/core/src/main/java/org/apache/carbondata/core/stats/QueryStatisticsRecorderImpl.java
+++ b/core/src/main/java/org/apache/carbondata/core/stats/QueryStatisticsRecorderImpl.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.stats;
 
 import java.io.Serializable;
diff --git a/core/src/main/java/org/apache/carbondata/core/statusmanager/SegmentStatusManager.java b/core/src/main/java/org/apache/carbondata/core/statusmanager/SegmentStatusManager.java
index 0804170..7699575 100755
--- a/core/src/main/java/org/apache/carbondata/core/statusmanager/SegmentStatusManager.java
+++ b/core/src/main/java/org/apache/carbondata/core/statusmanager/SegmentStatusManager.java
@@ -61,7 +61,6 @@ import com.google.gson.Gson;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.log4j.Logger;
 
-
 /**
  * Manages Load/Segment status
  */
diff --git a/core/src/main/java/org/apache/carbondata/core/statusmanager/SegmentUpdateStatusManager.java b/core/src/main/java/org/apache/carbondata/core/statusmanager/SegmentUpdateStatusManager.java
index ec02d84..fd0df29 100644
--- a/core/src/main/java/org/apache/carbondata/core/statusmanager/SegmentUpdateStatusManager.java
+++ b/core/src/main/java/org/apache/carbondata/core/statusmanager/SegmentUpdateStatusManager.java
@@ -305,6 +305,7 @@ public class SegmentUpdateStatusManager {
     return details == null || !CarbonUpdateUtil.isBlockInvalid(details.getSegmentStatus());
 
   }
+
   /**
    * Returns all delta file paths of specified block
    *
@@ -633,7 +634,6 @@ public class SegmentUpdateStatusManager {
     return endTimestamp;
   }
 
-
   /**
    * This method loads segment update details
    *
diff --git a/core/src/main/java/org/apache/carbondata/core/stream/ExtendedByteArrayOutputStream.java b/core/src/main/java/org/apache/carbondata/core/stream/ExtendedByteArrayOutputStream.java
index f941bd1..ea57919 100644
--- a/core/src/main/java/org/apache/carbondata/core/stream/ExtendedByteArrayOutputStream.java
+++ b/core/src/main/java/org/apache/carbondata/core/stream/ExtendedByteArrayOutputStream.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.stream;
 
 import java.io.ByteArrayOutputStream;
diff --git a/core/src/main/java/org/apache/carbondata/core/util/AbstractDataFileFooterConverter.java b/core/src/main/java/org/apache/carbondata/core/util/AbstractDataFileFooterConverter.java
index f16a3ae..f58d53b 100644
--- a/core/src/main/java/org/apache/carbondata/core/util/AbstractDataFileFooterConverter.java
+++ b/core/src/main/java/org/apache/carbondata/core/util/AbstractDataFileFooterConverter.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.util;
 
 import java.io.IOException;
@@ -386,8 +387,6 @@ public abstract class AbstractDataFileFooterConverter {
     return parentColumnTableRelationList;
   }
 
-
-
   /**
    * Below method is convert the thrift encoding to wrapper encoding
    *
diff --git a/core/src/main/java/org/apache/carbondata/core/util/BitSetGroup.java b/core/src/main/java/org/apache/carbondata/core/util/BitSetGroup.java
index df2d788..20ab509 100644
--- a/core/src/main/java/org/apache/carbondata/core/util/BitSetGroup.java
+++ b/core/src/main/java/org/apache/carbondata/core/util/BitSetGroup.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.util;
 
 import java.util.BitSet;
diff --git a/core/src/main/java/org/apache/carbondata/core/util/ByteUtil.java b/core/src/main/java/org/apache/carbondata/core/util/ByteUtil.java
index fd81610..72f4673 100644
--- a/core/src/main/java/org/apache/carbondata/core/util/ByteUtil.java
+++ b/core/src/main/java/org/apache/carbondata/core/util/ByteUtil.java
@@ -70,7 +70,6 @@ public final class ByteUtil {
         .compareTo(buffer1, offset1, len1, buffer2, offset2, len2);
   }
 
-
   /**
    * covert the long[] to int[]
    *
diff --git a/core/src/main/java/org/apache/carbondata/core/util/CarbonMetadataUtil.java b/core/src/main/java/org/apache/carbondata/core/util/CarbonMetadataUtil.java
index 5777f4d..73d2acb 100644
--- a/core/src/main/java/org/apache/carbondata/core/util/CarbonMetadataUtil.java
+++ b/core/src/main/java/org/apache/carbondata/core/util/CarbonMetadataUtil.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.util;
 
 import java.io.IOException;
@@ -191,6 +192,7 @@ public class CarbonMetadataUtil {
     }
     return encodedPages;
   }
+
   public static BlockletIndex getBlockletIndex(EncodedBlocklet encodedBlocklet,
       List<CarbonMeasure> carbonMeasureList) {
     BlockletMinMaxIndex blockletMinMaxIndex = new BlockletMinMaxIndex();
@@ -340,6 +342,7 @@ public class CarbonMetadataUtil {
       return CompressorFactory.NativeSupportedCompressor.SNAPPY.getName();
     }
   }
+
   /**
    * Below method will be used to get the index header
    *
diff --git a/core/src/main/java/org/apache/carbondata/core/util/CarbonProperties.java b/core/src/main/java/org/apache/carbondata/core/util/CarbonProperties.java
index f77f4d7..e114586 100644
--- a/core/src/main/java/org/apache/carbondata/core/util/CarbonProperties.java
+++ b/core/src/main/java/org/apache/carbondata/core/util/CarbonProperties.java
@@ -1497,6 +1497,7 @@ public final class CarbonProperties {
     }
     return preserveCnt;
   }
+
   /**
    * Get the configured system folder location.
    * @return
diff --git a/core/src/main/java/org/apache/carbondata/core/util/CarbonTaskInfo.java b/core/src/main/java/org/apache/carbondata/core/util/CarbonTaskInfo.java
index 19e0186..08567a5 100644
--- a/core/src/main/java/org/apache/carbondata/core/util/CarbonTaskInfo.java
+++ b/core/src/main/java/org/apache/carbondata/core/util/CarbonTaskInfo.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.util;
 
 import java.io.Serializable;
diff --git a/core/src/main/java/org/apache/carbondata/core/util/CarbonThreadFactory.java b/core/src/main/java/org/apache/carbondata/core/util/CarbonThreadFactory.java
index a15068d..cc7a2b0 100644
--- a/core/src/main/java/org/apache/carbondata/core/util/CarbonThreadFactory.java
+++ b/core/src/main/java/org/apache/carbondata/core/util/CarbonThreadFactory.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.util;
 
 import java.util.concurrent.Executors;
diff --git a/core/src/main/java/org/apache/carbondata/core/util/CarbonUtil.java b/core/src/main/java/org/apache/carbondata/core/util/CarbonUtil.java
index 42dd54c..34841e6 100644
--- a/core/src/main/java/org/apache/carbondata/core/util/CarbonUtil.java
+++ b/core/src/main/java/org/apache/carbondata/core/util/CarbonUtil.java
@@ -471,7 +471,6 @@ public final class CarbonUtil {
     return -(low + 1);
   }
 
-
   /**
    * Method will identify the value which is lesser than the pivot element
    * on which range filter is been applied.
@@ -689,7 +688,9 @@ public final class CarbonUtil {
       return "";
     }
   }
+
   public static String removeAKSK(String filePath) {
+
     if (null == filePath) {
       return "";
     }
@@ -760,7 +761,6 @@ public final class CarbonUtil {
     return created;
   }
 
-
   /**
    * This method will return the size of a given file
    */
@@ -1787,6 +1787,7 @@ public final class CarbonUtil {
         throw new IllegalArgumentException("Int cannot be more than 4 bytes");
     }
   }
+
   /**
    * Validate boolean value configuration
    *
@@ -2429,6 +2430,7 @@ public final class CarbonUtil {
     }
     return true;
   }
+
   /**
    * Below method will be used to check whether bitset applied on previous filter
    * can be used to apply on next column filter
@@ -2708,7 +2710,6 @@ public final class CarbonUtil {
     return size;
   }
 
-
   /**
    * Utility function to check whether table has timseries datamap or not
    * @param carbonTable
@@ -2763,7 +2764,6 @@ public final class CarbonUtil {
     return Base64.decodeBase64(objectString.getBytes(CarbonCommonConstants.DEFAULT_CHARSET));
   }
 
-
   /**
    * This method will copy the given file to carbon store location
    *
@@ -3274,7 +3274,6 @@ public final class CarbonUtil {
     return !(table.isSupportFlatFolder() || table.isHivePartitionTable());
   }
 
-
   /**
    * This method will form the FallbackEncodedColumnPage from input column page
    * @param columnPage actual data column page got from encoded columnpage if decoder based fallback
diff --git a/core/src/main/java/org/apache/carbondata/core/util/DataFileFooterConverter.java b/core/src/main/java/org/apache/carbondata/core/util/DataFileFooterConverter.java
index efb7925..7e1924c 100644
--- a/core/src/main/java/org/apache/carbondata/core/util/DataFileFooterConverter.java
+++ b/core/src/main/java/org/apache/carbondata/core/util/DataFileFooterConverter.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.util;
 
 import java.io.IOException;
diff --git a/core/src/main/java/org/apache/carbondata/core/util/DataFileFooterConverter2.java b/core/src/main/java/org/apache/carbondata/core/util/DataFileFooterConverter2.java
index eaf21fe..b46ef24 100644
--- a/core/src/main/java/org/apache/carbondata/core/util/DataFileFooterConverter2.java
+++ b/core/src/main/java/org/apache/carbondata/core/util/DataFileFooterConverter2.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.util;
 
 import java.io.IOException;
diff --git a/core/src/main/java/org/apache/carbondata/core/util/DataFileFooterConverterFactory.java b/core/src/main/java/org/apache/carbondata/core/util/DataFileFooterConverterFactory.java
index 153fcb9..aeb7c99 100644
--- a/core/src/main/java/org/apache/carbondata/core/util/DataFileFooterConverterFactory.java
+++ b/core/src/main/java/org/apache/carbondata/core/util/DataFileFooterConverterFactory.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.util;
 
 import org.apache.carbondata.core.metadata.ColumnarFormatVersion;
diff --git a/core/src/main/java/org/apache/carbondata/core/util/DataFileFooterConverterV3.java b/core/src/main/java/org/apache/carbondata/core/util/DataFileFooterConverterV3.java
index dc99067..65ba609 100644
--- a/core/src/main/java/org/apache/carbondata/core/util/DataFileFooterConverterV3.java
+++ b/core/src/main/java/org/apache/carbondata/core/util/DataFileFooterConverterV3.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.util;
 
 import java.io.IOException;
diff --git a/core/src/main/java/org/apache/carbondata/core/util/DataTypeConverter.java b/core/src/main/java/org/apache/carbondata/core/util/DataTypeConverter.java
index dcccdbd..e976391 100644
--- a/core/src/main/java/org/apache/carbondata/core/util/DataTypeConverter.java
+++ b/core/src/main/java/org/apache/carbondata/core/util/DataTypeConverter.java
@@ -22,17 +22,25 @@ import org.apache.carbondata.core.metadata.schema.table.column.CarbonColumn;
 public interface DataTypeConverter {
 
   Object convertFromStringToDecimal(Object data);
+
   Object convertFromBigDecimalToDecimal(Object data);
+
   Object convertFromDecimalToBigDecimal(Object data);
 
   Object convertFromByteToUTF8String(byte[] data);
+
   byte[] convertFromByteToUTF8Bytes(byte[] data);
+
   byte[] convertFromStringToByte(Object data);
+
   Object convertFromStringToUTF8String(Object Data);
 
   Object wrapWithGenericArrayData(Object data);
+
   Object wrapWithGenericRow(Object[] fields);
+
   Object wrapWithArrayBasedMapData(Object[] keyArray, Object[] valueArray);
+
   Object[] unwrapGenericRowToObject(Object data);
 
   Object[] convertCarbonSchemaToSparkSchema(CarbonColumn[] carbonColumns);
diff --git a/core/src/main/java/org/apache/carbondata/core/util/DataTypeUtil.java b/core/src/main/java/org/apache/carbondata/core/util/DataTypeUtil.java
index f138323..76c0505 100644
--- a/core/src/main/java/org/apache/carbondata/core/util/DataTypeUtil.java
+++ b/core/src/main/java/org/apache/carbondata/core/util/DataTypeUtil.java
@@ -641,7 +641,6 @@ public final class DataTypeUtil {
     return dataInBytes.length == 0;
   }
 
-
   /**
    * Below method will be used to convert the data passed to its actual data
    * type
diff --git a/core/src/main/java/org/apache/carbondata/core/util/ObjectSerializationUtil.java b/core/src/main/java/org/apache/carbondata/core/util/ObjectSerializationUtil.java
index 169a3da..9994d9c 100644
--- a/core/src/main/java/org/apache/carbondata/core/util/ObjectSerializationUtil.java
+++ b/core/src/main/java/org/apache/carbondata/core/util/ObjectSerializationUtil.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.util;
 
 import java.io.ByteArrayInputStream;
@@ -73,7 +74,6 @@ public class ObjectSerializationUtil {
     return CarbonUtil.encodeToString(baos.toByteArray());
   }
 
-
   /**
    * Converts Base64 string to object.
    *
diff --git a/core/src/main/java/org/apache/carbondata/core/util/SessionParams.java b/core/src/main/java/org/apache/carbondata/core/util/SessionParams.java
index d2a8159..0e68be5 100644
--- a/core/src/main/java/org/apache/carbondata/core/util/SessionParams.java
+++ b/core/src/main/java/org/apache/carbondata/core/util/SessionParams.java
@@ -244,6 +244,7 @@ public class SessionParams implements Serializable, Cloneable {
   public void removeExtraInfo(String key) {
     extraInfo.remove(key);
   }
+
   /**
    * clear the set properties
    */
diff --git a/core/src/main/java/org/apache/carbondata/core/util/TaskMetricsMap.java b/core/src/main/java/org/apache/carbondata/core/util/TaskMetricsMap.java
index 9d4e11c..ff4299e 100644
--- a/core/src/main/java/org/apache/carbondata/core/util/TaskMetricsMap.java
+++ b/core/src/main/java/org/apache/carbondata/core/util/TaskMetricsMap.java
@@ -54,7 +54,6 @@ public class TaskMetricsMap {
     return threadLocal;
   }
 
-
   /**
    * initializes thread local to current thread id
    *
diff --git a/core/src/main/java/org/apache/carbondata/core/util/ThreadLocalTaskInfo.java b/core/src/main/java/org/apache/carbondata/core/util/ThreadLocalTaskInfo.java
index 3fae1a2..62500e9 100644
--- a/core/src/main/java/org/apache/carbondata/core/util/ThreadLocalTaskInfo.java
+++ b/core/src/main/java/org/apache/carbondata/core/util/ThreadLocalTaskInfo.java
@@ -14,8 +14,8 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.carbondata.core.util;
 
+package org.apache.carbondata.core.util;
 
 /**
  * Class to keep all the thread local variable for task
diff --git a/core/src/main/java/org/apache/carbondata/core/util/path/CarbonTablePath.java b/core/src/main/java/org/apache/carbondata/core/util/path/CarbonTablePath.java
index 16df9c5..6d1a4ff 100644
--- a/core/src/main/java/org/apache/carbondata/core/util/path/CarbonTablePath.java
+++ b/core/src/main/java/org/apache/carbondata/core/util/path/CarbonTablePath.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.util.path;
 
 import java.io.File;
diff --git a/core/src/main/java/org/apache/carbondata/core/writer/CarbonDeleteDeltaWriter.java b/core/src/main/java/org/apache/carbondata/core/writer/CarbonDeleteDeltaWriter.java
index f0cc409..ddb6d681 100644
--- a/core/src/main/java/org/apache/carbondata/core/writer/CarbonDeleteDeltaWriter.java
+++ b/core/src/main/java/org/apache/carbondata/core/writer/CarbonDeleteDeltaWriter.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.writer;
 
 import java.io.IOException;
diff --git a/core/src/main/java/org/apache/carbondata/core/writer/CarbonDictionaryWriter.java b/core/src/main/java/org/apache/carbondata/core/writer/CarbonDictionaryWriter.java
index afacc0b..b5b6298 100644
--- a/core/src/main/java/org/apache/carbondata/core/writer/CarbonDictionaryWriter.java
+++ b/core/src/main/java/org/apache/carbondata/core/writer/CarbonDictionaryWriter.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.writer;
 
 import java.io.Closeable;
@@ -45,6 +46,5 @@ public interface CarbonDictionaryWriter extends Closeable {
    */
   void write(List<byte[]> valueList) throws IOException;
 
-
   void commit() throws IOException;
 }
diff --git a/core/src/main/java/org/apache/carbondata/core/writer/CarbonIndexFileMergeWriter.java b/core/src/main/java/org/apache/carbondata/core/writer/CarbonIndexFileMergeWriter.java
index 4760bdc..a2cf2dc 100644
--- a/core/src/main/java/org/apache/carbondata/core/writer/CarbonIndexFileMergeWriter.java
+++ b/core/src/main/java/org/apache/carbondata/core/writer/CarbonIndexFileMergeWriter.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.writer;
 
 import java.io.IOException;
diff --git a/core/src/main/java/org/apache/carbondata/core/writer/CarbonIndexFileWriter.java b/core/src/main/java/org/apache/carbondata/core/writer/CarbonIndexFileWriter.java
index d17bcf7..6bc07c3 100644
--- a/core/src/main/java/org/apache/carbondata/core/writer/CarbonIndexFileWriter.java
+++ b/core/src/main/java/org/apache/carbondata/core/writer/CarbonIndexFileWriter.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.writer;
 
 import java.io.IOException;
diff --git a/core/src/main/java/org/apache/carbondata/core/writer/sortindex/CarbonDictionarySortIndexWriter.java b/core/src/main/java/org/apache/carbondata/core/writer/sortindex/CarbonDictionarySortIndexWriter.java
index 0626889..c84e1db 100644
--- a/core/src/main/java/org/apache/carbondata/core/writer/sortindex/CarbonDictionarySortIndexWriter.java
+++ b/core/src/main/java/org/apache/carbondata/core/writer/sortindex/CarbonDictionarySortIndexWriter.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.writer.sortindex;
 
 import java.io.Closeable;
diff --git a/core/src/main/java/org/apache/carbondata/core/writer/sortindex/CarbonDictionarySortIndexWriterImpl.java b/core/src/main/java/org/apache/carbondata/core/writer/sortindex/CarbonDictionarySortIndexWriterImpl.java
index f4357bd..de27bab 100644
--- a/core/src/main/java/org/apache/carbondata/core/writer/sortindex/CarbonDictionarySortIndexWriterImpl.java
+++ b/core/src/main/java/org/apache/carbondata/core/writer/sortindex/CarbonDictionarySortIndexWriterImpl.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.writer.sortindex;
 
 import java.io.IOException;
diff --git a/core/src/main/java/org/apache/carbondata/core/writer/sortindex/CarbonDictionarySortInfo.java b/core/src/main/java/org/apache/carbondata/core/writer/sortindex/CarbonDictionarySortInfo.java
index 9aed3a7..93f2a9e 100644
--- a/core/src/main/java/org/apache/carbondata/core/writer/sortindex/CarbonDictionarySortInfo.java
+++ b/core/src/main/java/org/apache/carbondata/core/writer/sortindex/CarbonDictionarySortInfo.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.writer.sortindex;
 
 import java.util.List;
diff --git a/core/src/main/java/org/apache/carbondata/core/writer/sortindex/CarbonDictionarySortInfoPreparator.java b/core/src/main/java/org/apache/carbondata/core/writer/sortindex/CarbonDictionarySortInfoPreparator.java
index 8c7d922..bbe7659 100644
--- a/core/src/main/java/org/apache/carbondata/core/writer/sortindex/CarbonDictionarySortInfoPreparator.java
+++ b/core/src/main/java/org/apache/carbondata/core/writer/sortindex/CarbonDictionarySortInfoPreparator.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.writer.sortindex;
 
 import java.nio.charset.Charset;
diff --git a/core/src/main/java/org/apache/carbondata/core/writer/sortindex/CarbonDictionarySortModel.java b/core/src/main/java/org/apache/carbondata/core/writer/sortindex/CarbonDictionarySortModel.java
index e2105a4..3d2bc05 100644
--- a/core/src/main/java/org/apache/carbondata/core/writer/sortindex/CarbonDictionarySortModel.java
+++ b/core/src/main/java/org/apache/carbondata/core/writer/sortindex/CarbonDictionarySortModel.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.writer.sortindex;
 
 import java.text.ParseException;
diff --git a/core/src/main/java/org/apache/carbondata/events/OperationContext.java b/core/src/main/java/org/apache/carbondata/events/OperationContext.java
index 0fcd438..65bf0bf 100644
--- a/core/src/main/java/org/apache/carbondata/events/OperationContext.java
+++ b/core/src/main/java/org/apache/carbondata/events/OperationContext.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.events;
 
 import java.io.Serializable;
diff --git a/core/src/main/java/org/apache/carbondata/events/OperationEventListener.java b/core/src/main/java/org/apache/carbondata/events/OperationEventListener.java
index f783b80..06574af 100644
--- a/core/src/main/java/org/apache/carbondata/events/OperationEventListener.java
+++ b/core/src/main/java/org/apache/carbondata/events/OperationEventListener.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.events;
 
 /**
diff --git a/core/src/main/java/org/apache/carbondata/hadoop/CarbonInputSplit.java b/core/src/main/java/org/apache/carbondata/hadoop/CarbonInputSplit.java
index d346347..14ea5b5 100644
--- a/core/src/main/java/org/apache/carbondata/hadoop/CarbonInputSplit.java
+++ b/core/src/main/java/org/apache/carbondata/hadoop/CarbonInputSplit.java
@@ -247,6 +247,7 @@ public class CarbonInputSplit extends FileSplit
     this.location = locations;
     this.numberOfBlocklets = numberOfBlocklets;
   }
+
   public CarbonInputSplit(String segmentId, String filePath, long start, long length,
       String[] locations, FileFormat fileFormat) {
     this.filePath = filePath;
@@ -353,7 +354,6 @@ public class CarbonInputSplit extends FileSplit
     return segment;
   }
 
-
   @Override
   public void readFields(DataInput in) throws IOException {
     // if serializeData is not null it means fields which is present below if condition are alredy
@@ -463,7 +463,6 @@ public class CarbonInputSplit extends FileSplit
     }
   }
 
-
   /**
    * returns the number of blocklets
    *
diff --git a/core/src/main/java/org/apache/carbondata/hadoop/internal/ObjectArrayWritable.java b/core/src/main/java/org/apache/carbondata/hadoop/internal/ObjectArrayWritable.java
index d89e7d9..451eead 100644
--- a/core/src/main/java/org/apache/carbondata/hadoop/internal/ObjectArrayWritable.java
+++ b/core/src/main/java/org/apache/carbondata/hadoop/internal/ObjectArrayWritable.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.hadoop.internal;
 
 import java.io.DataInput;
diff --git a/core/src/test/java/org/apache/carbondata/core/cache/CarbonLRUCacheTest.java b/core/src/test/java/org/apache/carbondata/core/cache/CarbonLRUCacheTest.java
index 8ef6684..a30184b 100644
--- a/core/src/test/java/org/apache/carbondata/core/cache/CarbonLRUCacheTest.java
+++ b/core/src/test/java/org/apache/carbondata/core/cache/CarbonLRUCacheTest.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.cache;
 
 import mockit.Mock;
diff --git a/core/src/test/java/org/apache/carbondata/core/cache/dictionary/AbstractDictionaryCacheTest.java b/core/src/test/java/org/apache/carbondata/core/cache/dictionary/AbstractDictionaryCacheTest.java
index b572a36..8008a94 100644
--- a/core/src/test/java/org/apache/carbondata/core/cache/dictionary/AbstractDictionaryCacheTest.java
+++ b/core/src/test/java/org/apache/carbondata/core/cache/dictionary/AbstractDictionaryCacheTest.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.cache.dictionary;
 
 import java.io.File;
diff --git a/core/src/test/java/org/apache/carbondata/core/cache/dictionary/ColumnDictionaryChunkIteratorTest.java b/core/src/test/java/org/apache/carbondata/core/cache/dictionary/ColumnDictionaryChunkIteratorTest.java
index 9c73f4b..ccd7c0e 100644
--- a/core/src/test/java/org/apache/carbondata/core/cache/dictionary/ColumnDictionaryChunkIteratorTest.java
+++ b/core/src/test/java/org/apache/carbondata/core/cache/dictionary/ColumnDictionaryChunkIteratorTest.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.cache.dictionary;
 
 import java.nio.ByteBuffer;
diff --git a/core/src/test/java/org/apache/carbondata/core/cache/dictionary/ColumnDictionaryInfoTest.java b/core/src/test/java/org/apache/carbondata/core/cache/dictionary/ColumnDictionaryInfoTest.java
index 6ef5565..172dfa4 100644
--- a/core/src/test/java/org/apache/carbondata/core/cache/dictionary/ColumnDictionaryInfoTest.java
+++ b/core/src/test/java/org/apache/carbondata/core/cache/dictionary/ColumnDictionaryInfoTest.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.cache.dictionary;
 
 import java.nio.charset.Charset;
diff --git a/core/src/test/java/org/apache/carbondata/core/cache/dictionary/ColumnReverseDictionaryInfoTest.java b/core/src/test/java/org/apache/carbondata/core/cache/dictionary/ColumnReverseDictionaryInfoTest.java
index 48a4d1f..2d1c7a0 100644
--- a/core/src/test/java/org/apache/carbondata/core/cache/dictionary/ColumnReverseDictionaryInfoTest.java
+++ b/core/src/test/java/org/apache/carbondata/core/cache/dictionary/ColumnReverseDictionaryInfoTest.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.cache.dictionary;
 
 import java.util.Arrays;
diff --git a/core/src/test/java/org/apache/carbondata/core/cache/dictionary/DictionaryByteArrayWrapperTest.java b/core/src/test/java/org/apache/carbondata/core/cache/dictionary/DictionaryByteArrayWrapperTest.java
index 71beee1..bce5b60 100644
--- a/core/src/test/java/org/apache/carbondata/core/cache/dictionary/DictionaryByteArrayWrapperTest.java
+++ b/core/src/test/java/org/apache/carbondata/core/cache/dictionary/DictionaryByteArrayWrapperTest.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.cache.dictionary;
 
 import net.jpountz.xxhash.XXHashFactory;
diff --git a/core/src/test/java/org/apache/carbondata/core/cache/dictionary/DictionaryCacheLoaderImplTest.java b/core/src/test/java/org/apache/carbondata/core/cache/dictionary/DictionaryCacheLoaderImplTest.java
index 08dd791..e5d0975 100644
--- a/core/src/test/java/org/apache/carbondata/core/cache/dictionary/DictionaryCacheLoaderImplTest.java
+++ b/core/src/test/java/org/apache/carbondata/core/cache/dictionary/DictionaryCacheLoaderImplTest.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.cache.dictionary;
 
 import java.io.IOException;
diff --git a/core/src/test/java/org/apache/carbondata/core/cache/dictionary/DictionaryChunksWrapperTest.java b/core/src/test/java/org/apache/carbondata/core/cache/dictionary/DictionaryChunksWrapperTest.java
index 5c249a1..0ae8004 100644
--- a/core/src/test/java/org/apache/carbondata/core/cache/dictionary/DictionaryChunksWrapperTest.java
+++ b/core/src/test/java/org/apache/carbondata/core/cache/dictionary/DictionaryChunksWrapperTest.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.cache.dictionary;
 
 import java.util.ArrayList;
diff --git a/core/src/test/java/org/apache/carbondata/core/cache/dictionary/DictionaryColumnUniqueIdentifierTest.java b/core/src/test/java/org/apache/carbondata/core/cache/dictionary/DictionaryColumnUniqueIdentifierTest.java
index d81a60f..eb55047 100644
--- a/core/src/test/java/org/apache/carbondata/core/cache/dictionary/DictionaryColumnUniqueIdentifierTest.java
+++ b/core/src/test/java/org/apache/carbondata/core/cache/dictionary/DictionaryColumnUniqueIdentifierTest.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.cache.dictionary;
 
 import java.util.HashMap;
diff --git a/core/src/test/java/org/apache/carbondata/core/cache/dictionary/ForwardDictionaryTest.java b/core/src/test/java/org/apache/carbondata/core/cache/dictionary/ForwardDictionaryTest.java
index 00f8ce5..aee6b9e 100644
--- a/core/src/test/java/org/apache/carbondata/core/cache/dictionary/ForwardDictionaryTest.java
+++ b/core/src/test/java/org/apache/carbondata/core/cache/dictionary/ForwardDictionaryTest.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.cache.dictionary;
 
 import mockit.Mock;
diff --git a/core/src/test/java/org/apache/carbondata/core/cache/dictionary/ReverseDictionaryTest.java b/core/src/test/java/org/apache/carbondata/core/cache/dictionary/ReverseDictionaryTest.java
index fb7e914..6c3ba7f 100644
--- a/core/src/test/java/org/apache/carbondata/core/cache/dictionary/ReverseDictionaryTest.java
+++ b/core/src/test/java/org/apache/carbondata/core/cache/dictionary/ReverseDictionaryTest.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.cache.dictionary;
 
 import mockit.Mock;
diff --git a/core/src/test/java/org/apache/carbondata/core/carbon/CarbonTableIdentifierTest.java b/core/src/test/java/org/apache/carbondata/core/carbon/CarbonTableIdentifierTest.java
index 2cb3e56..b7707af 100644
--- a/core/src/test/java/org/apache/carbondata/core/carbon/CarbonTableIdentifierTest.java
+++ b/core/src/test/java/org/apache/carbondata/core/carbon/CarbonTableIdentifierTest.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.carbon;
 
 import org.apache.carbondata.core.metadata.CarbonTableIdentifier;
diff --git a/core/src/test/java/org/apache/carbondata/core/carbon/ColumnIdentifierTest.java b/core/src/test/java/org/apache/carbondata/core/carbon/ColumnIdentifierTest.java
index 4318d9d..42eb4aa 100644
--- a/core/src/test/java/org/apache/carbondata/core/carbon/ColumnIdentifierTest.java
+++ b/core/src/test/java/org/apache/carbondata/core/carbon/ColumnIdentifierTest.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.carbon;
 
 import org.apache.carbondata.core.metadata.ColumnIdentifier;
diff --git a/core/src/test/java/org/apache/carbondata/core/carbon/datastorage/filesystem/store/impl/DFSFileReaderImplUnitTest.java b/core/src/test/java/org/apache/carbondata/core/carbon/datastorage/filesystem/store/impl/DFSFileReaderImplUnitTest.java
index 5033713..8fafe3f 100644
--- a/core/src/test/java/org/apache/carbondata/core/carbon/datastorage/filesystem/store/impl/DFSFileReaderImplUnitTest.java
+++ b/core/src/test/java/org/apache/carbondata/core/carbon/datastorage/filesystem/store/impl/DFSFileReaderImplUnitTest.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.carbon.datastorage.filesystem.store.impl;
 
 import java.io.BufferedWriter;
diff --git a/core/src/test/java/org/apache/carbondata/core/carbon/datastorage/filesystem/store/impl/FileReaderImplUnitTest.java b/core/src/test/java/org/apache/carbondata/core/carbon/datastorage/filesystem/store/impl/FileReaderImplUnitTest.java
index a6d3235..a0fd31a 100644
--- a/core/src/test/java/org/apache/carbondata/core/carbon/datastorage/filesystem/store/impl/FileReaderImplUnitTest.java
+++ b/core/src/test/java/org/apache/carbondata/core/carbon/datastorage/filesystem/store/impl/FileReaderImplUnitTest.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.carbon.datastorage.filesystem.store.impl;
 
 import java.io.BufferedWriter;
diff --git a/core/src/test/java/org/apache/carbondata/core/datastore/CompressdFileTest.java b/core/src/test/java/org/apache/carbondata/core/datastore/CompressdFileTest.java
index 14aec44..6b228e0 100644
--- a/core/src/test/java/org/apache/carbondata/core/datastore/CompressdFileTest.java
+++ b/core/src/test/java/org/apache/carbondata/core/datastore/CompressdFileTest.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datastore;
 
 import org.apache.carbondata.core.constants.CarbonCommonConstants;
diff --git a/core/src/test/java/org/apache/carbondata/core/datastore/block/BlockInfoTest.java b/core/src/test/java/org/apache/carbondata/core/datastore/block/BlockInfoTest.java
index c149a80..f891b66 100644
--- a/core/src/test/java/org/apache/carbondata/core/datastore/block/BlockInfoTest.java
+++ b/core/src/test/java/org/apache/carbondata/core/datastore/block/BlockInfoTest.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datastore.block;
 
 import org.apache.carbondata.core.metadata.ColumnarFormatVersion;
diff --git a/core/src/test/java/org/apache/carbondata/core/datastore/block/SegmentPropertiesTest.java b/core/src/test/java/org/apache/carbondata/core/datastore/block/SegmentPropertiesTest.java
index 68bf896..a626b2e 100644
--- a/core/src/test/java/org/apache/carbondata/core/datastore/block/SegmentPropertiesTest.java
+++ b/core/src/test/java/org/apache/carbondata/core/datastore/block/SegmentPropertiesTest.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datastore.block;
 
 import java.util.ArrayList;
diff --git a/core/src/test/java/org/apache/carbondata/core/datastore/block/SegmentPropertiesTestUtil.java b/core/src/test/java/org/apache/carbondata/core/datastore/block/SegmentPropertiesTestUtil.java
index 2404498..71f32f0 100644
--- a/core/src/test/java/org/apache/carbondata/core/datastore/block/SegmentPropertiesTestUtil.java
+++ b/core/src/test/java/org/apache/carbondata/core/datastore/block/SegmentPropertiesTestUtil.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datastore.block;
 
 import java.util.ArrayList;
diff --git a/core/src/test/java/org/apache/carbondata/core/datastore/block/TableBlockInfoTest.java b/core/src/test/java/org/apache/carbondata/core/datastore/block/TableBlockInfoTest.java
index e61ea6f..2ccbcec 100644
--- a/core/src/test/java/org/apache/carbondata/core/datastore/block/TableBlockInfoTest.java
+++ b/core/src/test/java/org/apache/carbondata/core/datastore/block/TableBlockInfoTest.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datastore.block;
 
 import mockit.Mock;
diff --git a/core/src/test/java/org/apache/carbondata/core/datastore/block/TableTaskInfoTest.java b/core/src/test/java/org/apache/carbondata/core/datastore/block/TableTaskInfoTest.java
index 5b30f47..6501e98 100644
--- a/core/src/test/java/org/apache/carbondata/core/datastore/block/TableTaskInfoTest.java
+++ b/core/src/test/java/org/apache/carbondata/core/datastore/block/TableTaskInfoTest.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datastore.block;
 
 import org.apache.carbondata.core.metadata.ColumnarFormatVersion;
diff --git a/core/src/test/java/org/apache/carbondata/core/datastore/columnar/ColumnarKeyStoreDataHolderUnitTest.java b/core/src/test/java/org/apache/carbondata/core/datastore/columnar/ColumnarKeyStoreDataHolderUnitTest.java
index bf2803c..7959c4b 100644
--- a/core/src/test/java/org/apache/carbondata/core/datastore/columnar/ColumnarKeyStoreDataHolderUnitTest.java
+++ b/core/src/test/java/org/apache/carbondata/core/datastore/columnar/ColumnarKeyStoreDataHolderUnitTest.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datastore.columnar;
 
 import java.util.List;
diff --git a/core/src/test/java/org/apache/carbondata/core/datastore/page/encoding/RLECodecTest.java b/core/src/test/java/org/apache/carbondata/core/datastore/page/encoding/RLECodecTest.java
index acdfcf3..a5efeb9 100644
--- a/core/src/test/java/org/apache/carbondata/core/datastore/page/encoding/RLECodecTest.java
+++ b/core/src/test/java/org/apache/carbondata/core/datastore/page/encoding/RLECodecTest.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.datastore.page.encoding;
 
 import java.io.ByteArrayOutputStream;
diff --git a/core/src/test/java/org/apache/carbondata/core/keygenerator/directdictionary/DateDirectDictionaryGeneratorTest.java b/core/src/test/java/org/apache/carbondata/core/keygenerator/directdictionary/DateDirectDictionaryGeneratorTest.java
index 78ee6d9..e411d81 100644
--- a/core/src/test/java/org/apache/carbondata/core/keygenerator/directdictionary/DateDirectDictionaryGeneratorTest.java
+++ b/core/src/test/java/org/apache/carbondata/core/keygenerator/directdictionary/DateDirectDictionaryGeneratorTest.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.keygenerator.directdictionary;
 
 import org.apache.carbondata.core.constants.CarbonCommonConstants;
diff --git a/core/src/test/java/org/apache/carbondata/core/localdictionary/TestDictionaryStore.java b/core/src/test/java/org/apache/carbondata/core/localdictionary/TestDictionaryStore.java
index dcc3a5e..27a619e 100644
--- a/core/src/test/java/org/apache/carbondata/core/localdictionary/TestDictionaryStore.java
+++ b/core/src/test/java/org/apache/carbondata/core/localdictionary/TestDictionaryStore.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.localdictionary;
 
 import org.apache.carbondata.core.localdictionary.dictionaryholder.DictionaryStore;
diff --git a/core/src/test/java/org/apache/carbondata/core/localdictionary/TestLocalDictionaryGenerator.java b/core/src/test/java/org/apache/carbondata/core/localdictionary/TestLocalDictionaryGenerator.java
index d5b3d55..40054a9 100644
--- a/core/src/test/java/org/apache/carbondata/core/localdictionary/TestLocalDictionaryGenerator.java
+++ b/core/src/test/java/org/apache/carbondata/core/localdictionary/TestLocalDictionaryGenerator.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.localdictionary;
 
 import java.nio.ByteBuffer;
diff --git a/core/src/test/java/org/apache/carbondata/core/localdictionary/TestPageLevelDictionary.java b/core/src/test/java/org/apache/carbondata/core/localdictionary/TestPageLevelDictionary.java
index 93c770b..01c8a6e 100644
--- a/core/src/test/java/org/apache/carbondata/core/localdictionary/TestPageLevelDictionary.java
+++ b/core/src/test/java/org/apache/carbondata/core/localdictionary/TestPageLevelDictionary.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.localdictionary;
 
 import java.io.IOException;
diff --git a/core/src/test/java/org/apache/carbondata/core/metadata/CarbonMetadataTest.java b/core/src/test/java/org/apache/carbondata/core/metadata/CarbonMetadataTest.java
index 6d8dac6..9bb5385 100644
--- a/core/src/test/java/org/apache/carbondata/core/metadata/CarbonMetadataTest.java
+++ b/core/src/test/java/org/apache/carbondata/core/metadata/CarbonMetadataTest.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.metadata;
 
 import java.util.ArrayList;
diff --git a/core/src/test/java/org/apache/carbondata/core/metadata/converter/ThriftWrapperSchemaConverterImplTest.java b/core/src/test/java/org/apache/carbondata/core/metadata/converter/ThriftWrapperSchemaConverterImplTest.java
index f03e193..5911df3 100644
--- a/core/src/test/java/org/apache/carbondata/core/metadata/converter/ThriftWrapperSchemaConverterImplTest.java
+++ b/core/src/test/java/org/apache/carbondata/core/metadata/converter/ThriftWrapperSchemaConverterImplTest.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.metadata.converter;
 
 import java.util.ArrayList;
diff --git a/core/src/test/java/org/apache/carbondata/core/metadata/schema/table/CarbonTableTest.java b/core/src/test/java/org/apache/carbondata/core/metadata/schema/table/CarbonTableTest.java
index 0f9e252..d37aece 100644
--- a/core/src/test/java/org/apache/carbondata/core/metadata/schema/table/CarbonTableTest.java
+++ b/core/src/test/java/org/apache/carbondata/core/metadata/schema/table/CarbonTableTest.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.metadata.schema.table;
 
 import java.util.ArrayList;
diff --git a/core/src/test/java/org/apache/carbondata/core/metadata/schema/table/CarbonTableWithComplexTypesTest.java b/core/src/test/java/org/apache/carbondata/core/metadata/schema/table/CarbonTableWithComplexTypesTest.java
index 0d0d4df..a162622 100644
--- a/core/src/test/java/org/apache/carbondata/core/metadata/schema/table/CarbonTableWithComplexTypesTest.java
+++ b/core/src/test/java/org/apache/carbondata/core/metadata/schema/table/CarbonTableWithComplexTypesTest.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.metadata.schema.table;
 
 import java.util.ArrayList;
diff --git a/core/src/test/java/org/apache/carbondata/core/metadata/schema/table/TableInfoTest.java b/core/src/test/java/org/apache/carbondata/core/metadata/schema/table/TableInfoTest.java
index df8fecc..6341535 100644
--- a/core/src/test/java/org/apache/carbondata/core/metadata/schema/table/TableInfoTest.java
+++ b/core/src/test/java/org/apache/carbondata/core/metadata/schema/table/TableInfoTest.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.metadata.schema.table;
 
 import java.util.HashMap;
diff --git a/core/src/test/java/org/apache/carbondata/core/metadata/schema/table/TableSchemaTest.java b/core/src/test/java/org/apache/carbondata/core/metadata/schema/table/TableSchemaTest.java
index 2f86f05..16bbbec 100644
--- a/core/src/test/java/org/apache/carbondata/core/metadata/schema/table/TableSchemaTest.java
+++ b/core/src/test/java/org/apache/carbondata/core/metadata/schema/table/TableSchemaTest.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.metadata.schema.table;
 
 import junit.framework.TestCase;
diff --git a/core/src/test/java/org/apache/carbondata/core/reader/sortindex/CarbonDictionarySortIndexReaderImplTest.java b/core/src/test/java/org/apache/carbondata/core/reader/sortindex/CarbonDictionarySortIndexReaderImplTest.java
index f6fcff9..7983a2d 100644
--- a/core/src/test/java/org/apache/carbondata/core/reader/sortindex/CarbonDictionarySortIndexReaderImplTest.java
+++ b/core/src/test/java/org/apache/carbondata/core/reader/sortindex/CarbonDictionarySortIndexReaderImplTest.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.reader.sortindex;
 
 import java.io.File;
diff --git a/core/src/test/java/org/apache/carbondata/core/scan/complextypes/ArrayQueryTypeTest.java b/core/src/test/java/org/apache/carbondata/core/scan/complextypes/ArrayQueryTypeTest.java
index d91d05d..42b7245 100644
--- a/core/src/test/java/org/apache/carbondata/core/scan/complextypes/ArrayQueryTypeTest.java
+++ b/core/src/test/java/org/apache/carbondata/core/scan/complextypes/ArrayQueryTypeTest.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.complextypes;
 
 import java.nio.ByteBuffer;
diff --git a/core/src/test/java/org/apache/carbondata/core/scan/complextypes/PrimitiveQueryTypeTest.java b/core/src/test/java/org/apache/carbondata/core/scan/complextypes/PrimitiveQueryTypeTest.java
index 757f2b9..58cd2fc 100644
--- a/core/src/test/java/org/apache/carbondata/core/scan/complextypes/PrimitiveQueryTypeTest.java
+++ b/core/src/test/java/org/apache/carbondata/core/scan/complextypes/PrimitiveQueryTypeTest.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.complextypes;
 
 import java.nio.ByteBuffer;
diff --git a/core/src/test/java/org/apache/carbondata/core/scan/executor/util/QueryUtilTest.java b/core/src/test/java/org/apache/carbondata/core/scan/executor/util/QueryUtilTest.java
index 2c9d132..a135441 100644
--- a/core/src/test/java/org/apache/carbondata/core/scan/executor/util/QueryUtilTest.java
+++ b/core/src/test/java/org/apache/carbondata/core/scan/executor/util/QueryUtilTest.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.executor.util;
 
 import java.util.ArrayList;
diff --git a/core/src/test/java/org/apache/carbondata/core/scan/executor/util/RestructureUtilTest.java b/core/src/test/java/org/apache/carbondata/core/scan/executor/util/RestructureUtilTest.java
index 80ec647..ca44396 100644
--- a/core/src/test/java/org/apache/carbondata/core/scan/executor/util/RestructureUtilTest.java
+++ b/core/src/test/java/org/apache/carbondata/core/scan/executor/util/RestructureUtilTest.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.executor.util;
 
 import java.util.ArrayList;
diff --git a/core/src/test/java/org/apache/carbondata/core/scan/expression/ExpressionResultTest.java b/core/src/test/java/org/apache/carbondata/core/scan/expression/ExpressionResultTest.java
index f488ffa..1d6447f 100644
--- a/core/src/test/java/org/apache/carbondata/core/scan/expression/ExpressionResultTest.java
+++ b/core/src/test/java/org/apache/carbondata/core/scan/expression/ExpressionResultTest.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.expression;
 
 import java.math.BigDecimal;
diff --git a/core/src/test/java/org/apache/carbondata/core/scan/expression/conditional/EqualToExpressionUnitTest.java b/core/src/test/java/org/apache/carbondata/core/scan/expression/conditional/EqualToExpressionUnitTest.java
index 7b20f8a..836cfeb 100644
--- a/core/src/test/java/org/apache/carbondata/core/scan/expression/conditional/EqualToExpressionUnitTest.java
+++ b/core/src/test/java/org/apache/carbondata/core/scan/expression/conditional/EqualToExpressionUnitTest.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.expression.conditional;
 
 import java.math.BigDecimal;
diff --git a/core/src/test/java/org/apache/carbondata/core/scan/expression/conditional/GreaterThanEqualToExpressionUnitTest.java b/core/src/test/java/org/apache/carbondata/core/scan/expression/conditional/GreaterThanEqualToExpressionUnitTest.java
index 20e077a..7750a88 100644
--- a/core/src/test/java/org/apache/carbondata/core/scan/expression/conditional/GreaterThanEqualToExpressionUnitTest.java
+++ b/core/src/test/java/org/apache/carbondata/core/scan/expression/conditional/GreaterThanEqualToExpressionUnitTest.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.expression.conditional;
 
 import java.math.BigDecimal;
diff --git a/core/src/test/java/org/apache/carbondata/core/scan/expression/conditional/GreaterThanExpressionUnitTest.java b/core/src/test/java/org/apache/carbondata/core/scan/expression/conditional/GreaterThanExpressionUnitTest.java
index 5391861..c1bfe50 100644
--- a/core/src/test/java/org/apache/carbondata/core/scan/expression/conditional/GreaterThanExpressionUnitTest.java
+++ b/core/src/test/java/org/apache/carbondata/core/scan/expression/conditional/GreaterThanExpressionUnitTest.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.expression.conditional;
 
 import java.math.BigDecimal;
diff --git a/core/src/test/java/org/apache/carbondata/core/scan/expression/conditional/InExpressionUnitTest.java b/core/src/test/java/org/apache/carbondata/core/scan/expression/conditional/InExpressionUnitTest.java
index 3b48e44..4489d9f 100644
--- a/core/src/test/java/org/apache/carbondata/core/scan/expression/conditional/InExpressionUnitTest.java
+++ b/core/src/test/java/org/apache/carbondata/core/scan/expression/conditional/InExpressionUnitTest.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.expression.conditional;
 
 import java.math.BigDecimal;
diff --git a/core/src/test/java/org/apache/carbondata/core/scan/expression/conditional/LessThanEqualToExpressionUnitTest.java b/core/src/test/java/org/apache/carbondata/core/scan/expression/conditional/LessThanEqualToExpressionUnitTest.java
index 14594e7..a9c7757 100644
--- a/core/src/test/java/org/apache/carbondata/core/scan/expression/conditional/LessThanEqualToExpressionUnitTest.java
+++ b/core/src/test/java/org/apache/carbondata/core/scan/expression/conditional/LessThanEqualToExpressionUnitTest.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.expression.conditional;
 
 import java.math.BigDecimal;
diff --git a/core/src/test/java/org/apache/carbondata/core/scan/expression/conditional/LessThanExpressionUnitTest.java b/core/src/test/java/org/apache/carbondata/core/scan/expression/conditional/LessThanExpressionUnitTest.java
index 395750a..d346f57 100644
--- a/core/src/test/java/org/apache/carbondata/core/scan/expression/conditional/LessThanExpressionUnitTest.java
+++ b/core/src/test/java/org/apache/carbondata/core/scan/expression/conditional/LessThanExpressionUnitTest.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.expression.conditional;
 
 import java.math.BigDecimal;
diff --git a/core/src/test/java/org/apache/carbondata/core/scan/expression/conditional/ListExpressionUnitTest.java b/core/src/test/java/org/apache/carbondata/core/scan/expression/conditional/ListExpressionUnitTest.java
index 17e5eb7..faa2f89 100644
--- a/core/src/test/java/org/apache/carbondata/core/scan/expression/conditional/ListExpressionUnitTest.java
+++ b/core/src/test/java/org/apache/carbondata/core/scan/expression/conditional/ListExpressionUnitTest.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.expression.conditional;
 
 import java.util.List;
diff --git a/core/src/test/java/org/apache/carbondata/core/scan/expression/conditional/NotEqualsExpressionUnitTest.java b/core/src/test/java/org/apache/carbondata/core/scan/expression/conditional/NotEqualsExpressionUnitTest.java
index d0ee21e..998c680 100644
--- a/core/src/test/java/org/apache/carbondata/core/scan/expression/conditional/NotEqualsExpressionUnitTest.java
+++ b/core/src/test/java/org/apache/carbondata/core/scan/expression/conditional/NotEqualsExpressionUnitTest.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.expression.conditional;
 
 import java.math.BigDecimal;
diff --git a/core/src/test/java/org/apache/carbondata/core/scan/expression/conditional/NotInExpressionUnitTest.java b/core/src/test/java/org/apache/carbondata/core/scan/expression/conditional/NotInExpressionUnitTest.java
index 54791cc..ce06c66 100644
--- a/core/src/test/java/org/apache/carbondata/core/scan/expression/conditional/NotInExpressionUnitTest.java
+++ b/core/src/test/java/org/apache/carbondata/core/scan/expression/conditional/NotInExpressionUnitTest.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.expression.conditional;
 
 import java.math.BigDecimal;
diff --git a/core/src/test/java/org/apache/carbondata/core/scan/filter/FilterUtilTest.java b/core/src/test/java/org/apache/carbondata/core/scan/filter/FilterUtilTest.java
index cbc0203..2c25efb 100644
--- a/core/src/test/java/org/apache/carbondata/core/scan/filter/FilterUtilTest.java
+++ b/core/src/test/java/org/apache/carbondata/core/scan/filter/FilterUtilTest.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.filter;
 
 import java.util.ArrayList;
diff --git a/core/src/test/java/org/apache/carbondata/core/scan/filter/executer/ExcludeFilterExecuterImplTest.java b/core/src/test/java/org/apache/carbondata/core/scan/filter/executer/ExcludeFilterExecuterImplTest.java
index ad78b3f..2bb8415 100644
--- a/core/src/test/java/org/apache/carbondata/core/scan/filter/executer/ExcludeFilterExecuterImplTest.java
+++ b/core/src/test/java/org/apache/carbondata/core/scan/filter/executer/ExcludeFilterExecuterImplTest.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.filter.executer;
 
 import java.util.BitSet;
diff --git a/core/src/test/java/org/apache/carbondata/core/scan/filter/executer/IncludeFilterExecuterImplTest.java b/core/src/test/java/org/apache/carbondata/core/scan/filter/executer/IncludeFilterExecuterImplTest.java
index ee3bc16..41083b0 100644
--- a/core/src/test/java/org/apache/carbondata/core/scan/filter/executer/IncludeFilterExecuterImplTest.java
+++ b/core/src/test/java/org/apache/carbondata/core/scan/filter/executer/IncludeFilterExecuterImplTest.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.filter.executer;
 
 import java.util.BitSet;
diff --git a/core/src/test/java/org/apache/carbondata/core/scan/result/RowBatchTest.java b/core/src/test/java/org/apache/carbondata/core/scan/result/RowBatchTest.java
index 123d64e..33c5940 100644
--- a/core/src/test/java/org/apache/carbondata/core/scan/result/RowBatchTest.java
+++ b/core/src/test/java/org/apache/carbondata/core/scan/result/RowBatchTest.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.result;
 
 import java.util.ArrayList;
diff --git a/core/src/test/java/org/apache/carbondata/core/scan/wrappers/ByteArrayWrapperTest.java b/core/src/test/java/org/apache/carbondata/core/scan/wrappers/ByteArrayWrapperTest.java
index 78dca73..426f0cf 100644
--- a/core/src/test/java/org/apache/carbondata/core/scan/wrappers/ByteArrayWrapperTest.java
+++ b/core/src/test/java/org/apache/carbondata/core/scan/wrappers/ByteArrayWrapperTest.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.scan.wrappers;
 
 import org.junit.AfterClass;
diff --git a/core/src/test/java/org/apache/carbondata/core/stats/DriverQueryStatisticsRecorderImplTest.java b/core/src/test/java/org/apache/carbondata/core/stats/DriverQueryStatisticsRecorderImplTest.java
index bb892a9..80f9140 100644
--- a/core/src/test/java/org/apache/carbondata/core/stats/DriverQueryStatisticsRecorderImplTest.java
+++ b/core/src/test/java/org/apache/carbondata/core/stats/DriverQueryStatisticsRecorderImplTest.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.stats;
 
 import java.util.ArrayList;
diff --git a/core/src/test/java/org/apache/carbondata/core/util/ByteUtilTest.java b/core/src/test/java/org/apache/carbondata/core/util/ByteUtilTest.java
index c07de2a..1010024 100644
--- a/core/src/test/java/org/apache/carbondata/core/util/ByteUtilTest.java
+++ b/core/src/test/java/org/apache/carbondata/core/util/ByteUtilTest.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.util;
 
 import junit.framework.TestCase;
diff --git a/core/src/test/java/org/apache/carbondata/core/util/CarbonUtilTest.java b/core/src/test/java/org/apache/carbondata/core/util/CarbonUtilTest.java
index a8d30b1..32568bd 100644
--- a/core/src/test/java/org/apache/carbondata/core/util/CarbonUtilTest.java
+++ b/core/src/test/java/org/apache/carbondata/core/util/CarbonUtilTest.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.util;
 
 import java.io.BufferedReader;
diff --git a/core/src/test/java/org/apache/carbondata/core/writer/sortindex/CarbonDictionarySortIndexWriterImplTest.java b/core/src/test/java/org/apache/carbondata/core/writer/sortindex/CarbonDictionarySortIndexWriterImplTest.java
index 7ab202f..d9081ac 100644
--- a/core/src/test/java/org/apache/carbondata/core/writer/sortindex/CarbonDictionarySortIndexWriterImplTest.java
+++ b/core/src/test/java/org/apache/carbondata/core/writer/sortindex/CarbonDictionarySortIndexWriterImplTest.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.writer.sortindex;
 
 import java.io.File;
diff --git a/core/src/test/java/org/apache/carbondata/core/writer/sortindex/CarbonDictionarySortInfoPreparatorTest.java b/core/src/test/java/org/apache/carbondata/core/writer/sortindex/CarbonDictionarySortInfoPreparatorTest.java
index 06e6de4..02f5b85 100644
--- a/core/src/test/java/org/apache/carbondata/core/writer/sortindex/CarbonDictionarySortInfoPreparatorTest.java
+++ b/core/src/test/java/org/apache/carbondata/core/writer/sortindex/CarbonDictionarySortInfoPreparatorTest.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.writer.sortindex;
 
 import java.util.ArrayList;
diff --git a/core/src/test/java/org/apache/carbondata/core/writer/sortindex/CarbonDictionarySortModelTest.java b/core/src/test/java/org/apache/carbondata/core/writer/sortindex/CarbonDictionarySortModelTest.java
index 26ed442..cd7c794 100644
--- a/core/src/test/java/org/apache/carbondata/core/writer/sortindex/CarbonDictionarySortModelTest.java
+++ b/core/src/test/java/org/apache/carbondata/core/writer/sortindex/CarbonDictionarySortModelTest.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.writer.sortindex;
 
 import org.apache.carbondata.core.metadata.datatype.DataTypes;
diff --git a/datamap/bloom/src/main/java/org/apache/carbondata/datamap/bloom/BloomCacheKeyValue.java b/datamap/bloom/src/main/java/org/apache/carbondata/datamap/bloom/BloomCacheKeyValue.java
index 800f086..8ae8710 100644
--- a/datamap/bloom/src/main/java/org/apache/carbondata/datamap/bloom/BloomCacheKeyValue.java
+++ b/datamap/bloom/src/main/java/org/apache/carbondata/datamap/bloom/BloomCacheKeyValue.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.datamap.bloom;
 
 import java.io.Serializable;
diff --git a/datamap/bloom/src/main/java/org/apache/carbondata/datamap/bloom/BloomCoarseGrainDataMap.java b/datamap/bloom/src/main/java/org/apache/carbondata/datamap/bloom/BloomCoarseGrainDataMap.java
index f931353..dfec812 100644
--- a/datamap/bloom/src/main/java/org/apache/carbondata/datamap/bloom/BloomCoarseGrainDataMap.java
+++ b/datamap/bloom/src/main/java/org/apache/carbondata/datamap/bloom/BloomCoarseGrainDataMap.java
@@ -300,7 +300,6 @@ public class BloomCoarseGrainDataMap extends CoarseGrainDataMap {
     return queryModels;
   }
 
-
   private BloomQueryModel buildQueryModelForEqual(ColumnExpression ce,
       LiteralExpression le) throws DictionaryGenerationException, UnsupportedEncodingException {
     List<byte[]> filterValues = new ArrayList<>();
diff --git a/datamap/bloom/src/main/java/org/apache/carbondata/datamap/bloom/BloomCoarseGrainDataMapFactory.java b/datamap/bloom/src/main/java/org/apache/carbondata/datamap/bloom/BloomCoarseGrainDataMapFactory.java
index 071e172..a0c7e30 100644
--- a/datamap/bloom/src/main/java/org/apache/carbondata/datamap/bloom/BloomCoarseGrainDataMapFactory.java
+++ b/datamap/bloom/src/main/java/org/apache/carbondata/datamap/bloom/BloomCoarseGrainDataMapFactory.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.datamap.bloom;
 
 import java.io.File;
@@ -295,7 +296,6 @@ public class BloomCoarseGrainDataMapFactory extends DataMapFactory<CoarseGrainDa
     return dataMaps;
   }
 
-
   @Override
   public List<DataMapDistributable> toDistributable(Segment segment) {
     List<DataMapDistributable> dataMapDistributableList = new ArrayList<>();
diff --git a/datamap/bloom/src/main/java/org/apache/carbondata/datamap/bloom/BloomDataMapCache.java b/datamap/bloom/src/main/java/org/apache/carbondata/datamap/bloom/BloomDataMapCache.java
index 34abd80..445441d 100644
--- a/datamap/bloom/src/main/java/org/apache/carbondata/datamap/bloom/BloomDataMapCache.java
+++ b/datamap/bloom/src/main/java/org/apache/carbondata/datamap/bloom/BloomDataMapCache.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.datamap.bloom;
 
 import java.io.IOException;
diff --git a/datamap/bloom/src/main/java/org/apache/carbondata/datamap/bloom/BloomDataMapModel.java b/datamap/bloom/src/main/java/org/apache/carbondata/datamap/bloom/BloomDataMapModel.java
index 7ae4906..b6d4a0b 100644
--- a/datamap/bloom/src/main/java/org/apache/carbondata/datamap/bloom/BloomDataMapModel.java
+++ b/datamap/bloom/src/main/java/org/apache/carbondata/datamap/bloom/BloomDataMapModel.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.datamap.bloom;
 
 import org.apache.carbondata.core.cache.Cache;
diff --git a/datamap/bloom/src/main/java/org/apache/carbondata/datamap/bloom/BloomDataMapWriter.java b/datamap/bloom/src/main/java/org/apache/carbondata/datamap/bloom/BloomDataMapWriter.java
index ff6ff04..6fed0ce 100644
--- a/datamap/bloom/src/main/java/org/apache/carbondata/datamap/bloom/BloomDataMapWriter.java
+++ b/datamap/bloom/src/main/java/org/apache/carbondata/datamap/bloom/BloomDataMapWriter.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.datamap.bloom;
 
 import java.io.IOException;
diff --git a/datamap/bloom/src/main/java/org/apache/carbondata/datamap/bloom/BloomIndexFileStore.java b/datamap/bloom/src/main/java/org/apache/carbondata/datamap/bloom/BloomIndexFileStore.java
index 3d6ad9b..3505d66 100644
--- a/datamap/bloom/src/main/java/org/apache/carbondata/datamap/bloom/BloomIndexFileStore.java
+++ b/datamap/bloom/src/main/java/org/apache/carbondata/datamap/bloom/BloomIndexFileStore.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.datamap.bloom;
 
 import java.io.ByteArrayInputStream;
@@ -58,7 +59,6 @@ public class BloomIndexFileStore {
    */
   public static final String MERGE_INPROGRESS_FILE = "mergeShard.inprogress";
 
-
   public static void mergeBloomIndexFile(String dmSegmentPathString, List<String> indexCols) {
 
     // Step 1. check current folders
@@ -185,7 +185,6 @@ public class BloomIndexFileStore {
     }
   }
 
-
   /**
    * load bloom filter of {@code colName} from {@code mergeShardPath}
    */
diff --git a/datamap/bloom/src/main/java/org/apache/hadoop/util/bloom/CarbonBloomFilter.java b/datamap/bloom/src/main/java/org/apache/hadoop/util/bloom/CarbonBloomFilter.java
index fb0c779..884d73e 100644
--- a/datamap/bloom/src/main/java/org/apache/hadoop/util/bloom/CarbonBloomFilter.java
+++ b/datamap/bloom/src/main/java/org/apache/hadoop/util/bloom/CarbonBloomFilter.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.hadoop.util.bloom;
 
 import java.io.DataInput;
diff --git a/datamap/lucene/src/main/java/org/apache/carbondata/datamap/lucene/LuceneDataMapFactoryBase.java b/datamap/lucene/src/main/java/org/apache/carbondata/datamap/lucene/LuceneDataMapFactoryBase.java
index ca8aa2b..091ea31 100644
--- a/datamap/lucene/src/main/java/org/apache/carbondata/datamap/lucene/LuceneDataMapFactoryBase.java
+++ b/datamap/lucene/src/main/java/org/apache/carbondata/datamap/lucene/LuceneDataMapFactoryBase.java
@@ -172,6 +172,7 @@ abstract class LuceneDataMapFactoryBase<T extends DataMap> extends DataMapFactor
     }
     return splitBlockletWise;
   }
+
   /**
    * this method will delete the datamap folders during drop datamap
    * @throws MalformedDataMapCommandException
diff --git a/dev/javastyle-config.xml b/dev/javastyle-config.xml
index cfb1622..9f12dc9 100644
--- a/dev/javastyle-config.xml
+++ b/dev/javastyle-config.xml
@@ -206,7 +206,7 @@
 
         <!-- Checks for empty line separator between tokens. -->
         <module name="EmptyLineSeparator">
-            <property name="severity" value="info"/>
+            <property name="severity" value="error"/>
             <property name="allowMultipleEmptyLines" value="false"/>
             <property name="tokens" value="PACKAGE_DEF, IMPORT, CLASS_DEF, INTERFACE_DEF, ENUM_DEF,
                                          STATIC_INIT, INSTANCE_INIT, METHOD_DEF,CTOR_DEF"/>
diff --git a/hadoop/src/main/java/org/apache/carbondata/hadoop/AbstractRecordReader.java b/hadoop/src/main/java/org/apache/carbondata/hadoop/AbstractRecordReader.java
index bd4bbce..5923ab7 100644
--- a/hadoop/src/main/java/org/apache/carbondata/hadoop/AbstractRecordReader.java
+++ b/hadoop/src/main/java/org/apache/carbondata/hadoop/AbstractRecordReader.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.hadoop;
 
 import org.apache.carbondata.core.stats.QueryStatistic;
diff --git a/hadoop/src/main/java/org/apache/carbondata/hadoop/CacheAccessClient.java b/hadoop/src/main/java/org/apache/carbondata/hadoop/CacheAccessClient.java
index e8d292d..2888950 100644
--- a/hadoop/src/main/java/org/apache/carbondata/hadoop/CacheAccessClient.java
+++ b/hadoop/src/main/java/org/apache/carbondata/hadoop/CacheAccessClient.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.hadoop;
 
 import java.io.IOException;
diff --git a/hadoop/src/main/java/org/apache/carbondata/hadoop/CarbonProjection.java b/hadoop/src/main/java/org/apache/carbondata/hadoop/CarbonProjection.java
index b5d0b51..13ccaa9 100644
--- a/hadoop/src/main/java/org/apache/carbondata/hadoop/CarbonProjection.java
+++ b/hadoop/src/main/java/org/apache/carbondata/hadoop/CarbonProjection.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.hadoop;
 
 import java.io.Serializable;
diff --git a/hadoop/src/main/java/org/apache/carbondata/hadoop/CarbonRecordReader.java b/hadoop/src/main/java/org/apache/carbondata/hadoop/CarbonRecordReader.java
index 54b2055..f96c212 100644
--- a/hadoop/src/main/java/org/apache/carbondata/hadoop/CarbonRecordReader.java
+++ b/hadoop/src/main/java/org/apache/carbondata/hadoop/CarbonRecordReader.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.hadoop;
 
 import java.io.IOException;
diff --git a/hadoop/src/main/java/org/apache/carbondata/hadoop/api/CarbonFileInputFormat.java b/hadoop/src/main/java/org/apache/carbondata/hadoop/api/CarbonFileInputFormat.java
index 8eafd11..fd5a7ed 100644
--- a/hadoop/src/main/java/org/apache/carbondata/hadoop/api/CarbonFileInputFormat.java
+++ b/hadoop/src/main/java/org/apache/carbondata/hadoop/api/CarbonFileInputFormat.java
@@ -66,7 +66,6 @@ public class CarbonFileInputFormat<T> extends CarbonInputFormat<T> implements Se
   // a cache for carbon table, it will be used in task side
   private CarbonTable carbonTable;
 
-
   public CarbonTable getOrCreateCarbonTable(Configuration configuration) throws IOException {
     CarbonTable carbonTableTemp;
     if (carbonTable == null) {
diff --git a/hadoop/src/main/java/org/apache/carbondata/hadoop/api/CarbonInputFormat.java b/hadoop/src/main/java/org/apache/carbondata/hadoop/api/CarbonInputFormat.java
index 30a3202..1382368 100644
--- a/hadoop/src/main/java/org/apache/carbondata/hadoop/api/CarbonInputFormat.java
+++ b/hadoop/src/main/java/org/apache/carbondata/hadoop/api/CarbonInputFormat.java
@@ -137,7 +137,6 @@ public abstract class CarbonInputFormat<T> extends FileInputFormat<Void, T> {
 
   private CarbonTable carbonTable;
 
-
   public int getNumSegments() {
     return numSegments;
   }
@@ -690,7 +689,6 @@ m filterExpression
     return prunedBlocklets;
   }
 
-
   static List<InputSplit> convertToCarbonInputSplit(List<ExtendedBlocklet> extendedBlocklets) {
     List<InputSplit> resultFilteredBlocks = new ArrayList<>();
     for (ExtendedBlocklet blocklet : extendedBlocklets) {
diff --git a/hadoop/src/main/java/org/apache/carbondata/hadoop/api/CarbonTableInputFormat.java b/hadoop/src/main/java/org/apache/carbondata/hadoop/api/CarbonTableInputFormat.java
index f4a6899..74757ca 100644
--- a/hadoop/src/main/java/org/apache/carbondata/hadoop/api/CarbonTableInputFormat.java
+++ b/hadoop/src/main/java/org/apache/carbondata/hadoop/api/CarbonTableInputFormat.java
@@ -216,7 +216,6 @@ public class CarbonTableInputFormat<T> extends CarbonInputFormat<T> {
    * @throws IOException
    */
 
-
   /**
    * Below method will be used to get the filter segments when query is fired on pre Aggregate
    * and main table in case of streaming.
@@ -427,6 +426,7 @@ public class CarbonTableInputFormat<T> extends CarbonInputFormat<T> {
     }
     return matchedPartitions;
   }
+
   /**
    * {@inheritDoc}
    * Configurations FileInputFormat.INPUT_DIR, CarbonTableInputFormat.INPUT_SEGMENT_NUMBERS
diff --git a/hadoop/src/main/java/org/apache/carbondata/hadoop/readsupport/CarbonReadSupport.java b/hadoop/src/main/java/org/apache/carbondata/hadoop/readsupport/CarbonReadSupport.java
index c126e95..e030916 100644
--- a/hadoop/src/main/java/org/apache/carbondata/hadoop/readsupport/CarbonReadSupport.java
+++ b/hadoop/src/main/java/org/apache/carbondata/hadoop/readsupport/CarbonReadSupport.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.hadoop.readsupport;
 
 import java.io.IOException;
diff --git a/hadoop/src/main/java/org/apache/carbondata/hadoop/readsupport/impl/DictionaryDecodeReadSupport.java b/hadoop/src/main/java/org/apache/carbondata/hadoop/readsupport/impl/DictionaryDecodeReadSupport.java
index ae1ce32..f4c6c22 100644
--- a/hadoop/src/main/java/org/apache/carbondata/hadoop/readsupport/impl/DictionaryDecodeReadSupport.java
+++ b/hadoop/src/main/java/org/apache/carbondata/hadoop/readsupport/impl/DictionaryDecodeReadSupport.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.hadoop.readsupport.impl;
 
 import java.io.IOException;
diff --git a/hadoop/src/main/java/org/apache/carbondata/hadoop/stream/CarbonStreamUtils.java b/hadoop/src/main/java/org/apache/carbondata/hadoop/stream/CarbonStreamUtils.java
index 78669e7..c060535 100644
--- a/hadoop/src/main/java/org/apache/carbondata/hadoop/stream/CarbonStreamUtils.java
+++ b/hadoop/src/main/java/org/apache/carbondata/hadoop/stream/CarbonStreamUtils.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.hadoop.stream;
 
 import java.lang.reflect.Constructor;
diff --git a/hadoop/src/main/java/org/apache/carbondata/hadoop/testutil/StoreCreator.java b/hadoop/src/main/java/org/apache/carbondata/hadoop/testutil/StoreCreator.java
index bc54a23..b27e1df 100644
--- a/hadoop/src/main/java/org/apache/carbondata/hadoop/testutil/StoreCreator.java
+++ b/hadoop/src/main/java/org/apache/carbondata/hadoop/testutil/StoreCreator.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.hadoop.testutil;
 
 import java.io.BufferedReader;
diff --git a/hadoop/src/main/java/org/apache/carbondata/hadoop/util/CarbonVectorizedRecordReader.java b/hadoop/src/main/java/org/apache/carbondata/hadoop/util/CarbonVectorizedRecordReader.java
index 88d1e18..c5097bb 100644
--- a/hadoop/src/main/java/org/apache/carbondata/hadoop/util/CarbonVectorizedRecordReader.java
+++ b/hadoop/src/main/java/org/apache/carbondata/hadoop/util/CarbonVectorizedRecordReader.java
@@ -71,7 +71,6 @@ public class CarbonVectorizedRecordReader extends AbstractRecordReader<Object> {
   // it is used when same col is used in projection many times.So need to fetch only that col.
   private List<Integer> projectionMapping = new ArrayList<>();
 
-
   public CarbonVectorizedRecordReader(QueryModel queryModel) {
     this.queryModel = queryModel;
   }
@@ -131,7 +130,6 @@ public class CarbonVectorizedRecordReader extends AbstractRecordReader<Object> {
     return true;
   }
 
-
   private boolean nextBatch() {
     carbonColumnarBatch.reset();
     if (iterator.hasNext()) {
diff --git a/hadoop/src/test/java/org/apache/carbondata/hadoop/ft/CarbonTableOutputFormatTest.java b/hadoop/src/test/java/org/apache/carbondata/hadoop/ft/CarbonTableOutputFormatTest.java
index ef20147..347be39 100644
--- a/hadoop/src/test/java/org/apache/carbondata/hadoop/ft/CarbonTableOutputFormatTest.java
+++ b/hadoop/src/test/java/org/apache/carbondata/hadoop/ft/CarbonTableOutputFormatTest.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.hadoop.ft;
 
 import java.io.File;
diff --git a/integration/hive/src/main/java/org/apache/carbondata/hive/CarbonArrayInspector.java b/integration/hive/src/main/java/org/apache/carbondata/hive/CarbonArrayInspector.java
index 73dd50d..1bba3b3 100644
--- a/integration/hive/src/main/java/org/apache/carbondata/hive/CarbonArrayInspector.java
+++ b/integration/hive/src/main/java/org/apache/carbondata/hive/CarbonArrayInspector.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.hive;
 
 import java.util.ArrayList;
diff --git a/integration/hive/src/main/java/org/apache/carbondata/hive/CarbonDictionaryDecodeReadSupport.java b/integration/hive/src/main/java/org/apache/carbondata/hive/CarbonDictionaryDecodeReadSupport.java
index 8e200f2..def8b26 100644
--- a/integration/hive/src/main/java/org/apache/carbondata/hive/CarbonDictionaryDecodeReadSupport.java
+++ b/integration/hive/src/main/java/org/apache/carbondata/hive/CarbonDictionaryDecodeReadSupport.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.hive;
 
 import java.io.IOException;
diff --git a/integration/hive/src/main/java/org/apache/carbondata/hive/CarbonHiveInputSplit.java b/integration/hive/src/main/java/org/apache/carbondata/hive/CarbonHiveInputSplit.java
index 1bde5e5..9cdaeeb 100644
--- a/integration/hive/src/main/java/org/apache/carbondata/hive/CarbonHiveInputSplit.java
+++ b/integration/hive/src/main/java/org/apache/carbondata/hive/CarbonHiveInputSplit.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.hive;
 
 import java.io.DataInput;
diff --git a/integration/hive/src/main/java/org/apache/carbondata/hive/CarbonHiveRecordReader.java b/integration/hive/src/main/java/org/apache/carbondata/hive/CarbonHiveRecordReader.java
index 9493103..bf98002 100644
--- a/integration/hive/src/main/java/org/apache/carbondata/hive/CarbonHiveRecordReader.java
+++ b/integration/hive/src/main/java/org/apache/carbondata/hive/CarbonHiveRecordReader.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.hive;
 
 import java.io.IOException;
diff --git a/integration/hive/src/main/java/org/apache/carbondata/hive/CarbonHiveSerDe.java b/integration/hive/src/main/java/org/apache/carbondata/hive/CarbonHiveSerDe.java
index a191e92..a09d249 100644
--- a/integration/hive/src/main/java/org/apache/carbondata/hive/CarbonHiveSerDe.java
+++ b/integration/hive/src/main/java/org/apache/carbondata/hive/CarbonHiveSerDe.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.hive;
 
 import java.util.ArrayList;
diff --git a/integration/hive/src/main/java/org/apache/carbondata/hive/CarbonObjectInspector.java b/integration/hive/src/main/java/org/apache/carbondata/hive/CarbonObjectInspector.java
index da57b23..4f82b76 100644
--- a/integration/hive/src/main/java/org/apache/carbondata/hive/CarbonObjectInspector.java
+++ b/integration/hive/src/main/java/org/apache/carbondata/hive/CarbonObjectInspector.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.hive;
 
 import java.util.ArrayList;
diff --git a/integration/hive/src/main/java/org/apache/carbondata/hive/MapredCarbonInputFormat.java b/integration/hive/src/main/java/org/apache/carbondata/hive/MapredCarbonInputFormat.java
index 3cc73ed..e6eba5b 100644
--- a/integration/hive/src/main/java/org/apache/carbondata/hive/MapredCarbonInputFormat.java
+++ b/integration/hive/src/main/java/org/apache/carbondata/hive/MapredCarbonInputFormat.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.hive;
 
 import java.io.IOException;
diff --git a/integration/hive/src/main/java/org/apache/carbondata/hive/MapredCarbonOutputFormat.java b/integration/hive/src/main/java/org/apache/carbondata/hive/MapredCarbonOutputFormat.java
index d9d146a..bbada08 100644
--- a/integration/hive/src/main/java/org/apache/carbondata/hive/MapredCarbonOutputFormat.java
+++ b/integration/hive/src/main/java/org/apache/carbondata/hive/MapredCarbonOutputFormat.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.hive;
 
 import java.io.IOException;
diff --git a/integration/hive/src/test/java/org/apache/carbondata/hive/TestCarbonSerDe.java b/integration/hive/src/test/java/org/apache/carbondata/hive/TestCarbonSerDe.java
index 33337d3..85de736 100644
--- a/integration/hive/src/test/java/org/apache/carbondata/hive/TestCarbonSerDe.java
+++ b/integration/hive/src/test/java/org/apache/carbondata/hive/TestCarbonSerDe.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.hive;
 
 import java.util.Properties;
diff --git a/integration/presto/src/main/java/org/apache/carbondata/presto/CarbonVectorBatch.java b/integration/presto/src/main/java/org/apache/carbondata/presto/CarbonVectorBatch.java
index c1e2662..37b63be 100644
--- a/integration/presto/src/main/java/org/apache/carbondata/presto/CarbonVectorBatch.java
+++ b/integration/presto/src/main/java/org/apache/carbondata/presto/CarbonVectorBatch.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.presto;
 
 import java.util.Arrays;
diff --git a/integration/presto/src/main/java/org/apache/carbondata/presto/CarbondataColumnConstraint.java b/integration/presto/src/main/java/org/apache/carbondata/presto/CarbondataColumnConstraint.java
index 67473f9..d6ccf1c 100755
--- a/integration/presto/src/main/java/org/apache/carbondata/presto/CarbondataColumnConstraint.java
+++ b/integration/presto/src/main/java/org/apache/carbondata/presto/CarbondataColumnConstraint.java
@@ -29,7 +29,6 @@ import com.fasterxml.jackson.annotation.JsonSetter;
 
 import static com.google.common.base.MoreObjects.toStringHelper;
 
-
 /**
  * Encapsulating presto Tuple-domain
  */
diff --git a/integration/presto/src/main/java/org/apache/carbondata/presto/ColumnarVectorWrapperDirect.java b/integration/presto/src/main/java/org/apache/carbondata/presto/ColumnarVectorWrapperDirect.java
index ced32a8..ce6965d 100644
--- a/integration/presto/src/main/java/org/apache/carbondata/presto/ColumnarVectorWrapperDirect.java
+++ b/integration/presto/src/main/java/org/apache/carbondata/presto/ColumnarVectorWrapperDirect.java
@@ -245,7 +245,6 @@ class ColumnarVectorWrapperDirect implements CarbonColumnVector, SequentialFill
     return columnVector.hasDictionary();
   }
 
-
   @Override
   public CarbonColumnVector getDictionaryVector() {
     return dictionaryVector;
diff --git a/integration/presto/src/main/java/org/apache/carbondata/presto/PrestoCarbonVectorizedRecordReader.java b/integration/presto/src/main/java/org/apache/carbondata/presto/PrestoCarbonVectorizedRecordReader.java
index 16762c7..24357a7 100644
--- a/integration/presto/src/main/java/org/apache/carbondata/presto/PrestoCarbonVectorizedRecordReader.java
+++ b/integration/presto/src/main/java/org/apache/carbondata/presto/PrestoCarbonVectorizedRecordReader.java
@@ -256,6 +256,7 @@ class PrestoCarbonVectorizedRecordReader extends AbstractRecordReader<Object> {
   public CarbonVectorBatch getColumnarBatch() {
     return columnarBatch;
   }
+
   public void setTaskId(long taskId) {
     this.taskId = taskId;
   }
diff --git a/integration/presto/src/main/java/org/apache/carbondata/presto/PrestoFilterUtil.java b/integration/presto/src/main/java/org/apache/carbondata/presto/PrestoFilterUtil.java
index 27462b0..3683bf1 100755
--- a/integration/presto/src/main/java/org/apache/carbondata/presto/PrestoFilterUtil.java
+++ b/integration/presto/src/main/java/org/apache/carbondata/presto/PrestoFilterUtil.java
@@ -61,7 +61,6 @@ import org.apache.hadoop.hive.serde2.typeinfo.DecimalTypeInfo;
 import static com.facebook.presto.spi.StandardErrorCode.NOT_SUPPORTED;
 import static com.google.common.base.Preconditions.checkArgument;
 
-
 /**
  * PrestoFilterUtil create the carbonData Expression from the presto-domain
  */
diff --git a/integration/presto/src/main/java/org/apache/carbondata/presto/Types.java b/integration/presto/src/main/java/org/apache/carbondata/presto/Types.java
index d4b5e8a..2f18d0f 100755
--- a/integration/presto/src/main/java/org/apache/carbondata/presto/Types.java
+++ b/integration/presto/src/main/java/org/apache/carbondata/presto/Types.java
@@ -18,6 +18,7 @@
 package org.apache.carbondata.presto;
 
 import java.util.Locale;
+
 import static java.util.Objects.requireNonNull;
 
 import static com.google.common.base.Preconditions.checkArgument;
diff --git a/integration/presto/src/main/java/org/apache/carbondata/presto/impl/CarbonLocalInputSplit.java b/integration/presto/src/main/java/org/apache/carbondata/presto/impl/CarbonLocalInputSplit.java
index 2d64ba7..f5e4f87 100755
--- a/integration/presto/src/main/java/org/apache/carbondata/presto/impl/CarbonLocalInputSplit.java
+++ b/integration/presto/src/main/java/org/apache/carbondata/presto/impl/CarbonLocalInputSplit.java
@@ -170,5 +170,4 @@ public class CarbonLocalInputSplit {
     return inputSplit;
   }
 
-
 }
diff --git a/integration/presto/src/main/java/org/apache/carbondata/presto/impl/CarbonTableConfig.java b/integration/presto/src/main/java/org/apache/carbondata/presto/impl/CarbonTableConfig.java
index 45fa5dd..f11d914 100755
--- a/integration/presto/src/main/java/org/apache/carbondata/presto/impl/CarbonTableConfig.java
+++ b/integration/presto/src/main/java/org/apache/carbondata/presto/impl/CarbonTableConfig.java
@@ -40,7 +40,6 @@ public class CarbonTableConfig {
   private String endPoint;
   private String pushRowFilter;
 
-
   public String getUnsafeMemoryInMb() {
     return unsafeMemoryInMb;
   }
@@ -129,7 +128,6 @@ public class CarbonTableConfig {
     return endPoint;
   }
 
-
   @Config("fs.s3a.access.key")
   public CarbonTableConfig setS3A_AcesssKey(String s3A_acesssKey) {
     this.s3A_acesssKey = s3A_acesssKey;
@@ -153,6 +151,7 @@ public class CarbonTableConfig {
     this.s3_secretKey = s3_secretKey;
     return this;
   }
+
   @Config("fs.s3n.awsAccessKeyId")
   public CarbonTableConfig setS3N_AcesssKey(String s3N_acesssKey) {
     this.s3N_acesssKey = s3N_acesssKey;
@@ -164,6 +163,7 @@ public class CarbonTableConfig {
     this.s3N_secretKey = s3N_secretKey;
     return this;
   }
+
   @Config("fs.s3a.endpoint")
   public CarbonTableConfig setS3EndPoint(String endPoint) {
     this.endPoint = endPoint;
diff --git a/integration/presto/src/main/java/org/apache/carbondata/presto/readers/ByteStreamReader.java b/integration/presto/src/main/java/org/apache/carbondata/presto/readers/ByteStreamReader.java
index 7c579ac..6a69f7f 100644
--- a/integration/presto/src/main/java/org/apache/carbondata/presto/readers/ByteStreamReader.java
+++ b/integration/presto/src/main/java/org/apache/carbondata/presto/readers/ByteStreamReader.java
@@ -41,7 +41,6 @@ public class ByteStreamReader extends CarbonColumnVectorImpl implements PrestoVe
 
   private Dictionary dictionary;
 
-
   public ByteStreamReader(int batchSize, DataType dataType, Dictionary dictionary) {
     super(batchSize, dataType);
     this.batchSize = batchSize;
diff --git a/integration/presto/src/main/java/org/apache/carbondata/presto/readers/DecimalSliceStreamReader.java b/integration/presto/src/main/java/org/apache/carbondata/presto/readers/DecimalSliceStreamReader.java
index 69b6d2d..b343db1 100644
--- a/integration/presto/src/main/java/org/apache/carbondata/presto/readers/DecimalSliceStreamReader.java
+++ b/integration/presto/src/main/java/org/apache/carbondata/presto/readers/DecimalSliceStreamReader.java
@@ -43,9 +43,6 @@ import static com.google.common.base.Preconditions.checkArgument;
 import static com.google.common.base.Preconditions.checkState;
 import static io.airlift.slice.Slices.utf8Slice;
 
-
-
-
 /**
  * Reader for DecimalValues
  */
diff --git a/integration/presto/src/main/java/org/apache/carbondata/presto/readers/FloatStreamReader.java b/integration/presto/src/main/java/org/apache/carbondata/presto/readers/FloatStreamReader.java
index 51e9992..38c4381 100644
--- a/integration/presto/src/main/java/org/apache/carbondata/presto/readers/FloatStreamReader.java
+++ b/integration/presto/src/main/java/org/apache/carbondata/presto/readers/FloatStreamReader.java
@@ -41,7 +41,6 @@ public class FloatStreamReader extends CarbonColumnVectorImpl implements PrestoV
 
   private Dictionary dictionary;
 
-
   public FloatStreamReader(int batchSize, DataType dataType, Dictionary dictionary) {
     super(batchSize, dataType);
     this.batchSize = batchSize;
diff --git a/integration/presto/src/main/java/org/apache/carbondata/presto/readers/SliceStreamReader.java b/integration/presto/src/main/java/org/apache/carbondata/presto/readers/SliceStreamReader.java
index 8468de8..3fdb6b2 100644
--- a/integration/presto/src/main/java/org/apache/carbondata/presto/readers/SliceStreamReader.java
+++ b/integration/presto/src/main/java/org/apache/carbondata/presto/readers/SliceStreamReader.java
@@ -111,13 +111,12 @@ public class SliceStreamReader extends CarbonColumnVectorImpl implements PrestoV
         Slices.wrappedBuffer(singleArrayDictValues), dictOffsets, Optional.of(nulls));
     this.isLocalDict = true;
   }
+
   @Override
   public void setBatchSize(int batchSize) {
     this.batchSize = batchSize;
   }
 
-
-
   @Override
   public void putByteArray(int rowId, byte[] value) {
     type.writeSlice(builder, wrappedBuffer(value));
diff --git a/integration/spark-common/src/main/java/org/apache/carbondata/spark/dictionary/client/SecureDictionaryClient.java b/integration/spark-common/src/main/java/org/apache/carbondata/spark/dictionary/client/SecureDictionaryClient.java
index c13441f..b5f9da2 100644
--- a/integration/spark-common/src/main/java/org/apache/carbondata/spark/dictionary/client/SecureDictionaryClient.java
+++ b/integration/spark-common/src/main/java/org/apache/carbondata/spark/dictionary/client/SecureDictionaryClient.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.spark.dictionary.client;
 
 import java.nio.charset.Charset;
diff --git a/integration/spark-common/src/main/java/org/apache/carbondata/spark/dictionary/client/SecureDictionaryClientHandler.java b/integration/spark-common/src/main/java/org/apache/carbondata/spark/dictionary/client/SecureDictionaryClientHandler.java
index 9a13def..2456b98 100644
--- a/integration/spark-common/src/main/java/org/apache/carbondata/spark/dictionary/client/SecureDictionaryClientHandler.java
+++ b/integration/spark-common/src/main/java/org/apache/carbondata/spark/dictionary/client/SecureDictionaryClientHandler.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.spark.dictionary.client;
 
 import java.nio.ByteBuffer;
diff --git a/integration/spark-common/src/main/java/org/apache/carbondata/spark/dictionary/server/SecureDictionaryServer.java b/integration/spark-common/src/main/java/org/apache/carbondata/spark/dictionary/server/SecureDictionaryServer.java
index f979a00..2537396 100644
--- a/integration/spark-common/src/main/java/org/apache/carbondata/spark/dictionary/server/SecureDictionaryServer.java
+++ b/integration/spark-common/src/main/java/org/apache/carbondata/spark/dictionary/server/SecureDictionaryServer.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.spark.dictionary.server;
 
 import java.io.IOException;
diff --git a/integration/spark-common/src/main/java/org/apache/carbondata/spark/dictionary/server/SecureDictionaryServerHandler.java b/integration/spark-common/src/main/java/org/apache/carbondata/spark/dictionary/server/SecureDictionaryServerHandler.java
index f5c97cb..30807b6 100644
--- a/integration/spark-common/src/main/java/org/apache/carbondata/spark/dictionary/server/SecureDictionaryServerHandler.java
+++ b/integration/spark-common/src/main/java/org/apache/carbondata/spark/dictionary/server/SecureDictionaryServerHandler.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.spark.dictionary.server;
 
 import java.nio.ByteBuffer;
diff --git a/integration/spark-common/src/main/scala/org/apache/carbondata/spark/InitInputMetrics.java b/integration/spark-common/src/main/scala/org/apache/carbondata/spark/InitInputMetrics.java
index 6e4ab40..1f230ef 100644
--- a/integration/spark-common/src/main/scala/org/apache/carbondata/spark/InitInputMetrics.java
+++ b/integration/spark-common/src/main/scala/org/apache/carbondata/spark/InitInputMetrics.java
@@ -22,7 +22,6 @@ import org.apache.carbondata.hadoop.InputMetricsStats;
 
 import org.apache.spark.TaskContext;
 
-
 /**
  * Initializes bytes read call back
  */
diff --git a/integration/spark-datasource/src/main/scala/org/apache/carbondata/spark/vectorreader/VectorizedCarbonRecordReader.java b/integration/spark-datasource/src/main/scala/org/apache/carbondata/spark/vectorreader/VectorizedCarbonRecordReader.java
index ece790d..a1223ff 100644
--- a/integration/spark-datasource/src/main/scala/org/apache/carbondata/spark/vectorreader/VectorizedCarbonRecordReader.java
+++ b/integration/spark-datasource/src/main/scala/org/apache/carbondata/spark/vectorreader/VectorizedCarbonRecordReader.java
@@ -110,10 +110,9 @@ public class VectorizedCarbonRecordReader extends AbstractRecordReader<Object> {
     }
   }
 
-
-  /*
- * Can be called before any rows are returned to enable returning columnar batches directly.
- */
+  /**
+   * Can be called before any rows are returned to enable returning columnar batches directly.
+   */
   public void enableReturningBatches() {
     returnColumnarBatch = true;
   }
@@ -355,8 +354,6 @@ public class VectorizedCarbonRecordReader extends AbstractRecordReader<Object> {
     if (vectorProxy == null) initBatch();
   }
 
-
-
   /**
    * Advances to the next batch of rows. Returns false if there are no more.
    */
diff --git a/integration/spark-datasource/src/main/spark2.1andspark2.2/org/apache/spark/sql/CarbonDictionaryWrapper.java b/integration/spark-datasource/src/main/spark2.1andspark2.2/org/apache/spark/sql/CarbonDictionaryWrapper.java
index 5d9ea27..605df66 100644
--- a/integration/spark-datasource/src/main/spark2.1andspark2.2/org/apache/spark/sql/CarbonDictionaryWrapper.java
+++ b/integration/spark-datasource/src/main/spark2.1andspark2.2/org/apache/spark/sql/CarbonDictionaryWrapper.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.spark.sql;
 
 import org.apache.carbondata.core.scan.result.vector.CarbonDictionary;
diff --git a/integration/spark-datasource/src/main/spark2.1andspark2.2/org/apache/spark/sql/CarbonVectorProxy.java b/integration/spark-datasource/src/main/spark2.1andspark2.2/org/apache/spark/sql/CarbonVectorProxy.java
index 2a2dec3..7d23d7c 100644
--- a/integration/spark-datasource/src/main/spark2.1andspark2.2/org/apache/spark/sql/CarbonVectorProxy.java
+++ b/integration/spark-datasource/src/main/spark2.1andspark2.2/org/apache/spark/sql/CarbonVectorProxy.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.spark.sql;
 
 import java.lang.reflect.Field;
diff --git a/integration/spark-datasource/src/main/spark2.3plus/org/apache/spark/sql/CarbonDictionaryWrapper.java b/integration/spark-datasource/src/main/spark2.3plus/org/apache/spark/sql/CarbonDictionaryWrapper.java
index dcefe62..1a3655d 100644
--- a/integration/spark-datasource/src/main/spark2.3plus/org/apache/spark/sql/CarbonDictionaryWrapper.java
+++ b/integration/spark-datasource/src/main/spark2.3plus/org/apache/spark/sql/CarbonDictionaryWrapper.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.spark.sql;
 
 import org.apache.carbondata.core.scan.result.vector.CarbonDictionary;
diff --git a/integration/spark-datasource/src/main/spark2.3plus/org/apache/spark/sql/CarbonVectorProxy.java b/integration/spark-datasource/src/main/spark2.3plus/org/apache/spark/sql/CarbonVectorProxy.java
index 7ea8092..ca1ea95 100644
--- a/integration/spark-datasource/src/main/spark2.3plus/org/apache/spark/sql/CarbonVectorProxy.java
+++ b/integration/spark-datasource/src/main/spark2.3plus/org/apache/spark/sql/CarbonVectorProxy.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.spark.sql;
 
 import java.math.BigInteger;
@@ -40,9 +41,8 @@ import org.apache.spark.unsafe.types.UTF8String;
  */
 public class CarbonVectorProxy {
 
-    private ColumnarBatch columnarBatch;
-    private ColumnVectorProxy[] columnVectorProxies;
-
+  private ColumnarBatch columnarBatch;
+  private ColumnVectorProxy[] columnVectorProxies;
 
   /**
    * Adapter class which handles the columnar vector reading of the carbondata
@@ -92,6 +92,7 @@ public class CarbonVectorProxy {
     public ColumnVectorProxy getColumnVector(int ordinal) {
         return columnVectorProxies[ordinal];
     }
+
     /**
      * Resets this column for writing. The currently stored values are no longer accessible.
      */
@@ -112,7 +113,6 @@ public class CarbonVectorProxy {
         return columnarBatch.getRow(rowId);
     }
 
-
     /**
      * Returns the row in this batch at `rowId`. Returned row is reused across calls.
      */
@@ -135,7 +135,6 @@ public class CarbonVectorProxy {
         columnarBatch.setNumRows(numRows);
     }
 
-
     public DataType dataType(int ordinal) {
         return columnarBatch.column(ordinal).dataType();
     }
diff --git a/integration/spark-datasource/src/main/spark2.3plus/org/apache/spark/sql/ColumnVectorFactory.java b/integration/spark-datasource/src/main/spark2.3plus/org/apache/spark/sql/ColumnVectorFactory.java
index 6fe5ede..d978c97 100644
--- a/integration/spark-datasource/src/main/spark2.3plus/org/apache/spark/sql/ColumnVectorFactory.java
+++ b/integration/spark-datasource/src/main/spark2.3plus/org/apache/spark/sql/ColumnVectorFactory.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.spark.sql;
 
 import org.apache.spark.memory.MemoryMode;
@@ -25,10 +26,8 @@ import org.apache.spark.sql.vectorized.ColumnarBatch;
 
 public class ColumnVectorFactory {
 
-
     public static WritableColumnVector[] getColumnVector(MemoryMode memMode, StructType outputSchema, int rowNums) {
 
-
         WritableColumnVector[] writableColumnVectors = null;
         switch (memMode) {
             case ON_HEAP:
diff --git a/integration/spark2/src/main/java/org/apache/carbondata/datamap/DataMapManager.java b/integration/spark2/src/main/java/org/apache/carbondata/datamap/DataMapManager.java
index 1126b2e..1d4d862 100644
--- a/integration/spark2/src/main/java/org/apache/carbondata/datamap/DataMapManager.java
+++ b/integration/spark2/src/main/java/org/apache/carbondata/datamap/DataMapManager.java
@@ -29,7 +29,6 @@ import static org.apache.carbondata.core.metadata.schema.datamap.DataMapClassPro
 
 import org.apache.spark.sql.SparkSession;
 
-
 public class DataMapManager {
 
   private static DataMapManager INSTANCE;
diff --git a/integration/spark2/src/main/java/org/apache/carbondata/spark/readsupport/SparkRowReadSupportImpl.java b/integration/spark2/src/main/java/org/apache/carbondata/spark/readsupport/SparkRowReadSupportImpl.java
index 282bd9a..2077f70 100644
--- a/integration/spark2/src/main/java/org/apache/carbondata/spark/readsupport/SparkRowReadSupportImpl.java
+++ b/integration/spark2/src/main/java/org/apache/carbondata/spark/readsupport/SparkRowReadSupportImpl.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.spark.readsupport;
 
 import java.io.IOException;
diff --git a/processing/src/main/java/org/apache/carbondata/processing/datatypes/ArrayDataType.java b/processing/src/main/java/org/apache/carbondata/processing/datatypes/ArrayDataType.java
index a3e8683..c7e4f87 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/datatypes/ArrayDataType.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/datatypes/ArrayDataType.java
@@ -83,7 +83,6 @@ public class ArrayDataType implements GenericDataType<ArrayObject> {
     this.name = name;
   }
 
-
   /**
    * constructor
    * @param name
diff --git a/processing/src/main/java/org/apache/carbondata/processing/loading/CarbonDataLoadConfiguration.java b/processing/src/main/java/org/apache/carbondata/processing/loading/CarbonDataLoadConfiguration.java
index 408c961..96edc44 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/loading/CarbonDataLoadConfiguration.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/loading/CarbonDataLoadConfiguration.java
@@ -385,8 +385,6 @@ public class CarbonDataLoadConfiguration {
     return getCardinalityFinder().getCardinality();
   }
 
-
-
   public TableSpec getTableSpec() {
     return tableSpec;
   }
diff --git a/processing/src/main/java/org/apache/carbondata/processing/loading/FailureCauses.java b/processing/src/main/java/org/apache/carbondata/processing/loading/FailureCauses.java
index 6e5f91a..1c16855 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/loading/FailureCauses.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/loading/FailureCauses.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.processing.loading;
 
 /**
diff --git a/processing/src/main/java/org/apache/carbondata/processing/loading/converter/BadRecordLogHolder.java b/processing/src/main/java/org/apache/carbondata/processing/loading/converter/BadRecordLogHolder.java
index aeb4d15..2f2af03 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/loading/converter/BadRecordLogHolder.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/loading/converter/BadRecordLogHolder.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.processing.loading.converter;
 
 import java.util.HashMap;
diff --git a/processing/src/main/java/org/apache/carbondata/processing/loading/converter/RowConverter.java b/processing/src/main/java/org/apache/carbondata/processing/loading/converter/RowConverter.java
index 016ff3f..4d0096b 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/loading/converter/RowConverter.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/loading/converter/RowConverter.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.processing.loading.converter;
 
 import java.io.IOException;
@@ -31,6 +32,8 @@ public interface RowConverter extends DictionaryCardinalityFinder {
   CarbonRow convert(CarbonRow row) throws CarbonDataLoadingException;
 
   RowConverter createCopyForNewThread();
+
   FieldConverter[] getFieldConverters();
+
   void finish();
 }
diff --git a/processing/src/main/java/org/apache/carbondata/processing/loading/converter/impl/AbstractDictionaryFieldConverterImpl.java b/processing/src/main/java/org/apache/carbondata/processing/loading/converter/impl/AbstractDictionaryFieldConverterImpl.java
index 5349e33..969d0a0 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/loading/converter/impl/AbstractDictionaryFieldConverterImpl.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/loading/converter/impl/AbstractDictionaryFieldConverterImpl.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.processing.loading.converter.impl;
 
 import java.util.List;
diff --git a/processing/src/main/java/org/apache/carbondata/processing/loading/converter/impl/BinaryFieldConverterImpl.java b/processing/src/main/java/org/apache/carbondata/processing/loading/converter/impl/BinaryFieldConverterImpl.java
index b3a216b..47c7dae 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/loading/converter/impl/BinaryFieldConverterImpl.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/loading/converter/impl/BinaryFieldConverterImpl.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.processing.loading.converter.impl;
 
 import org.apache.carbondata.common.logging.LogServiceFactory;
diff --git a/processing/src/main/java/org/apache/carbondata/processing/loading/converter/impl/FieldEncoderFactory.java b/processing/src/main/java/org/apache/carbondata/processing/loading/converter/impl/FieldEncoderFactory.java
index 6fa32a2..a59df4d 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/loading/converter/impl/FieldEncoderFactory.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/loading/converter/impl/FieldEncoderFactory.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.processing.loading.converter.impl;
 
 import java.io.IOException;
@@ -89,7 +90,6 @@ public class FieldEncoderFactory {
         CarbonLoadOptionConstants.CARBON_OPTIONS_BINARY_DECODER_DEFAULT);
   }
 
-
   /**
    * Creates the FieldConverter for all dimensions, for measures return null.
    *
diff --git a/processing/src/main/java/org/apache/carbondata/processing/loading/converter/impl/MeasureFieldConverterImpl.java b/processing/src/main/java/org/apache/carbondata/processing/loading/converter/impl/MeasureFieldConverterImpl.java
index 78fcee9..62167b9 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/loading/converter/impl/MeasureFieldConverterImpl.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/loading/converter/impl/MeasureFieldConverterImpl.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.processing.loading.converter.impl;
 
 import org.apache.carbondata.common.logging.LogServiceFactory;
diff --git a/processing/src/main/java/org/apache/carbondata/processing/loading/converter/impl/NonDictionaryFieldConverterImpl.java b/processing/src/main/java/org/apache/carbondata/processing/loading/converter/impl/NonDictionaryFieldConverterImpl.java
index a35e601..dfc5ac9 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/loading/converter/impl/NonDictionaryFieldConverterImpl.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/loading/converter/impl/NonDictionaryFieldConverterImpl.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.processing.loading.converter.impl;
 
 import org.apache.carbondata.core.constants.CarbonCommonConstants;
diff --git a/processing/src/main/java/org/apache/carbondata/processing/loading/converter/impl/RowConverterImpl.java b/processing/src/main/java/org/apache/carbondata/processing/loading/converter/impl/RowConverterImpl.java
index 552538e..c8b16ef 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/loading/converter/impl/RowConverterImpl.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/loading/converter/impl/RowConverterImpl.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.processing.loading.converter.impl;
 
 import java.io.IOException;
diff --git a/processing/src/main/java/org/apache/carbondata/processing/loading/csvinput/BoundedInputStream.java b/processing/src/main/java/org/apache/carbondata/processing/loading/csvinput/BoundedInputStream.java
index 121dbd4..f84b2ee 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/loading/csvinput/BoundedInputStream.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/loading/csvinput/BoundedInputStream.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.processing.loading.csvinput;
 
 import java.io.DataInputStream;
diff --git a/processing/src/main/java/org/apache/carbondata/processing/loading/csvinput/CSVInputFormat.java b/processing/src/main/java/org/apache/carbondata/processing/loading/csvinput/CSVInputFormat.java
index d333490..87d026b 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/loading/csvinput/CSVInputFormat.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/loading/csvinput/CSVInputFormat.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.processing.loading.csvinput;
 
 import java.io.IOException;
@@ -85,7 +86,6 @@ public class CSVInputFormat extends FileInputFormat<NullWritable, StringArrayWri
   private static final Logger LOGGER =
       LogServiceFactory.getLogService(CSVInputFormat.class.toString());
 
-
   @Override
   public RecordReader<NullWritable, StringArrayWritable> createRecordReader(InputSplit inputSplit,
       TaskAttemptContext context) throws IOException, InterruptedException {
diff --git a/processing/src/main/java/org/apache/carbondata/processing/loading/csvinput/StringArrayWritable.java b/processing/src/main/java/org/apache/carbondata/processing/loading/csvinput/StringArrayWritable.java
index fe4a7ed..7c11cd8 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/loading/csvinput/StringArrayWritable.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/loading/csvinput/StringArrayWritable.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.processing.loading.csvinput;
 
 import java.io.DataInput;
diff --git a/processing/src/main/java/org/apache/carbondata/processing/loading/dictionary/DictionaryServerClientDictionary.java b/processing/src/main/java/org/apache/carbondata/processing/loading/dictionary/DictionaryServerClientDictionary.java
index 6e1bae6..aa16bd3 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/loading/dictionary/DictionaryServerClientDictionary.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/loading/dictionary/DictionaryServerClientDictionary.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.processing.loading.dictionary;
 
 import java.util.Map;
diff --git a/processing/src/main/java/org/apache/carbondata/processing/loading/dictionary/DirectDictionary.java b/processing/src/main/java/org/apache/carbondata/processing/loading/dictionary/DirectDictionary.java
index 963a303..b2d463c 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/loading/dictionary/DirectDictionary.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/loading/dictionary/DirectDictionary.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.processing.loading.dictionary;
 
 import org.apache.carbondata.core.devapi.BiDictionary;
diff --git a/processing/src/main/java/org/apache/carbondata/processing/loading/events/LoadEvents.java b/processing/src/main/java/org/apache/carbondata/processing/loading/events/LoadEvents.java
index c55af83..1365e49 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/loading/events/LoadEvents.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/loading/events/LoadEvents.java
@@ -111,14 +111,15 @@ public class LoadEvents {
       this.isCompaction = isCompaction;
       this.options = options;
     }
+
     public boolean isCompaction() {
       return isCompaction;
     }
+
     public CarbonTable getCarbonTable() {
       return carbonTable;
     }
 
-
     public Map<String, String> getOptions() {
       return options;
     }
diff --git a/processing/src/main/java/org/apache/carbondata/processing/loading/exception/BadRecordFoundException.java b/processing/src/main/java/org/apache/carbondata/processing/loading/exception/BadRecordFoundException.java
index b9a79ed..c1c5a8f 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/loading/exception/BadRecordFoundException.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/loading/exception/BadRecordFoundException.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.processing.loading.exception;
 
 public class BadRecordFoundException extends CarbonDataLoadingException {
@@ -47,7 +48,6 @@ public class BadRecordFoundException extends CarbonDataLoadingException {
     this.msg = msg;
   }
 
-
   /**
    * getMessage
    */
diff --git a/processing/src/main/java/org/apache/carbondata/processing/loading/jsoninput/JsonInputFormat.java b/processing/src/main/java/org/apache/carbondata/processing/loading/jsoninput/JsonInputFormat.java
index 755629c..b5656b0 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/loading/jsoninput/JsonInputFormat.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/loading/jsoninput/JsonInputFormat.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.processing.loading.jsoninput;
 
 import java.io.BufferedInputStream;
diff --git a/processing/src/main/java/org/apache/carbondata/processing/loading/jsoninput/JsonStreamReader.java b/processing/src/main/java/org/apache/carbondata/processing/loading/jsoninput/JsonStreamReader.java
index 8547c9a..791d23f 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/loading/jsoninput/JsonStreamReader.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/loading/jsoninput/JsonStreamReader.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.processing.loading.jsoninput;
 
 import java.io.BufferedReader;
diff --git a/processing/src/main/java/org/apache/carbondata/processing/loading/model/CarbonDataLoadSchema.java b/processing/src/main/java/org/apache/carbondata/processing/loading/model/CarbonDataLoadSchema.java
index 72de613..ae3f927 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/loading/model/CarbonDataLoadSchema.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/loading/model/CarbonDataLoadSchema.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.processing.loading.model;
 
 import java.io.Serializable;
diff --git a/processing/src/main/java/org/apache/carbondata/processing/loading/model/CarbonLoadModel.java b/processing/src/main/java/org/apache/carbondata/processing/loading/model/CarbonLoadModel.java
index 139fd2f..ddfd8c0 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/loading/model/CarbonLoadModel.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/loading/model/CarbonLoadModel.java
@@ -560,7 +560,6 @@ public class CarbonLoadModel implements Serializable {
     return copyObj;
   }
 
-
   /**
    * @param tablePath The tablePath to set.
    */
@@ -574,6 +573,7 @@ public class CarbonLoadModel implements Serializable {
   public String getTablePath() {
     return tablePath;
   }
+
   /**
    * getLoadMetadataDetails.
    *
@@ -583,7 +583,6 @@ public class CarbonLoadModel implements Serializable {
     return loadMetadataDetails;
   }
 
-
   /**
    * Get the current load metadata.
    *
@@ -605,6 +604,7 @@ public class CarbonLoadModel implements Serializable {
   public void setLoadMetadataDetails(List<LoadMetadataDetails> loadMetadataDetails) {
     this.loadMetadataDetails = loadMetadataDetails;
   }
+
   /**
    * getSegmentUpdateStatusManager
    *
@@ -944,6 +944,7 @@ public class CarbonLoadModel implements Serializable {
   public void setMergedSegmentIds(List<String> mergedSegmentIds) {
     this.mergedSegmentIds = mergedSegmentIds;
   }
+
   public List<String> getMergedSegmentIds() {
     if (null == mergedSegmentIds) {
       mergedSegmentIds = new ArrayList<>(CarbonCommonConstants.DEFAULT_COLLECTION_SIZE);
diff --git a/processing/src/main/java/org/apache/carbondata/processing/loading/model/CarbonLoadModelBuilder.java b/processing/src/main/java/org/apache/carbondata/processing/loading/model/CarbonLoadModelBuilder.java
index 919437c..b1a3a98 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/loading/model/CarbonLoadModelBuilder.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/loading/model/CarbonLoadModelBuilder.java
@@ -435,7 +435,6 @@ public class CarbonLoadModelBuilder {
     }
   }
 
-
   private void validateAndSetBinaryDecoder(CarbonLoadModel carbonLoadModel) {
     String binaryDecoder = carbonLoadModel.getBinaryDecoder();
     if (!CarbonLoaderUtil.isValidBinaryDecoder(binaryDecoder)) {
diff --git a/processing/src/main/java/org/apache/carbondata/processing/loading/parser/CarbonParserFactory.java b/processing/src/main/java/org/apache/carbondata/processing/loading/parser/CarbonParserFactory.java
index 6ffea4f..ba1e428 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/loading/parser/CarbonParserFactory.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/loading/parser/CarbonParserFactory.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.processing.loading.parser;
 
 import java.util.ArrayList;
diff --git a/processing/src/main/java/org/apache/carbondata/processing/loading/parser/ComplexParser.java b/processing/src/main/java/org/apache/carbondata/processing/loading/parser/ComplexParser.java
index c20766a..593fa0e 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/loading/parser/ComplexParser.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/loading/parser/ComplexParser.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.processing.loading.parser;
 
 /**
diff --git a/processing/src/main/java/org/apache/carbondata/processing/loading/parser/GenericParser.java b/processing/src/main/java/org/apache/carbondata/processing/loading/parser/GenericParser.java
index 792c409..918c4fc 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/loading/parser/GenericParser.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/loading/parser/GenericParser.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.processing.loading.parser;
 
 /**
diff --git a/processing/src/main/java/org/apache/carbondata/processing/loading/parser/RowParser.java b/processing/src/main/java/org/apache/carbondata/processing/loading/parser/RowParser.java
index 9a74a41..38a39e2 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/loading/parser/RowParser.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/loading/parser/RowParser.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.processing.loading.parser;
 
 /**
diff --git a/processing/src/main/java/org/apache/carbondata/processing/loading/parser/impl/ArrayParserImpl.java b/processing/src/main/java/org/apache/carbondata/processing/loading/parser/impl/ArrayParserImpl.java
index 3f4fc4a..82980fa 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/loading/parser/impl/ArrayParserImpl.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/loading/parser/impl/ArrayParserImpl.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.processing.loading.parser.impl;
 
 import java.util.regex.Pattern;
diff --git a/processing/src/main/java/org/apache/carbondata/processing/loading/parser/impl/JsonRowParser.java b/processing/src/main/java/org/apache/carbondata/processing/loading/parser/impl/JsonRowParser.java
index f80e965..c807574 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/loading/parser/impl/JsonRowParser.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/loading/parser/impl/JsonRowParser.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.processing.loading.parser.impl;
 
 import java.io.IOException;
diff --git a/processing/src/main/java/org/apache/carbondata/processing/loading/parser/impl/MapParserImpl.java b/processing/src/main/java/org/apache/carbondata/processing/loading/parser/impl/MapParserImpl.java
index 345f29d..806cf31 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/loading/parser/impl/MapParserImpl.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/loading/parser/impl/MapParserImpl.java
@@ -14,8 +14,8 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package org.apache.carbondata.processing.loading.parser.impl;
 
+package org.apache.carbondata.processing.loading.parser.impl;
 
 import java.util.ArrayList;
 import java.util.HashMap;
@@ -25,7 +25,6 @@ import org.apache.carbondata.processing.loading.complexobjects.ArrayObject;
 
 import org.apache.commons.lang.ArrayUtils;
 
-
 public class MapParserImpl extends ArrayParserImpl {
 
   private String keyValueDelimiter;
diff --git a/processing/src/main/java/org/apache/carbondata/processing/loading/parser/impl/PrimitiveParserImpl.java b/processing/src/main/java/org/apache/carbondata/processing/loading/parser/impl/PrimitiveParserImpl.java
index 12172bc..4b74c17 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/loading/parser/impl/PrimitiveParserImpl.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/loading/parser/impl/PrimitiveParserImpl.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.processing.loading.parser.impl;
 
 import org.apache.carbondata.processing.loading.parser.GenericParser;
diff --git a/processing/src/main/java/org/apache/carbondata/processing/loading/parser/impl/RangeColumnParserImpl.java b/processing/src/main/java/org/apache/carbondata/processing/loading/parser/impl/RangeColumnParserImpl.java
index ab91ca6..e154878 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/loading/parser/impl/RangeColumnParserImpl.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/loading/parser/impl/RangeColumnParserImpl.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.processing.loading.parser.impl;
 
 import java.util.ArrayList;
diff --git a/processing/src/main/java/org/apache/carbondata/processing/loading/parser/impl/RowParserImpl.java b/processing/src/main/java/org/apache/carbondata/processing/loading/parser/impl/RowParserImpl.java
index d0fe30b..94d9802 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/loading/parser/impl/RowParserImpl.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/loading/parser/impl/RowParserImpl.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.processing.loading.parser.impl;
 
 import java.util.ArrayList;
diff --git a/processing/src/main/java/org/apache/carbondata/processing/loading/parser/impl/StructParserImpl.java b/processing/src/main/java/org/apache/carbondata/processing/loading/parser/impl/StructParserImpl.java
index 26744b0..99ecc96 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/loading/parser/impl/StructParserImpl.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/loading/parser/impl/StructParserImpl.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.processing.loading.parser.impl;
 
 import java.util.ArrayList;
diff --git a/processing/src/main/java/org/apache/carbondata/processing/loading/row/CarbonSortBatch.java b/processing/src/main/java/org/apache/carbondata/processing/loading/row/CarbonSortBatch.java
index d324db5..f2c67d2 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/loading/row/CarbonSortBatch.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/loading/row/CarbonSortBatch.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.processing.loading.row;
 
 import org.apache.carbondata.core.datastore.row.CarbonRow;
diff --git a/processing/src/main/java/org/apache/carbondata/processing/loading/row/IntermediateSortTempRow.java b/processing/src/main/java/org/apache/carbondata/processing/loading/row/IntermediateSortTempRow.java
index 0207752..feeeed5 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/loading/row/IntermediateSortTempRow.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/loading/row/IntermediateSortTempRow.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.processing.loading.row;
 
 /**
diff --git a/processing/src/main/java/org/apache/carbondata/processing/loading/sort/AbstractMergeSorter.java b/processing/src/main/java/org/apache/carbondata/processing/loading/sort/AbstractMergeSorter.java
index 550fe70..ef7de13 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/loading/sort/AbstractMergeSorter.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/loading/sort/AbstractMergeSorter.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.processing.loading.sort;
 
 import org.apache.carbondata.processing.loading.exception.CarbonDataLoadingException;
diff --git a/processing/src/main/java/org/apache/carbondata/processing/loading/sort/Sorter.java b/processing/src/main/java/org/apache/carbondata/processing/loading/sort/Sorter.java
index 9a47e50..ffba16e 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/loading/sort/Sorter.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/loading/sort/Sorter.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.processing.loading.sort;
 
 import java.util.Iterator;
diff --git a/processing/src/main/java/org/apache/carbondata/processing/loading/sort/impl/ParallelReadMergeSorterImpl.java b/processing/src/main/java/org/apache/carbondata/processing/loading/sort/impl/ParallelReadMergeSorterImpl.java
index cdf07a3..9263372 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/loading/sort/impl/ParallelReadMergeSorterImpl.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/loading/sort/impl/ParallelReadMergeSorterImpl.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.processing.loading.sort.impl;
 
 import java.io.File;
diff --git a/processing/src/main/java/org/apache/carbondata/processing/loading/sort/impl/ParallelReadMergeSorterWithColumnRangeImpl.java b/processing/src/main/java/org/apache/carbondata/processing/loading/sort/impl/ParallelReadMergeSorterWithColumnRangeImpl.java
index 1c97741..05db089 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/loading/sort/impl/ParallelReadMergeSorterWithColumnRangeImpl.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/loading/sort/impl/ParallelReadMergeSorterWithColumnRangeImpl.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.processing.loading.sort.impl;
 
 import java.io.File;
diff --git a/processing/src/main/java/org/apache/carbondata/processing/loading/sort/impl/UnsafeBatchParallelReadMergeSorterImpl.java b/processing/src/main/java/org/apache/carbondata/processing/loading/sort/impl/UnsafeBatchParallelReadMergeSorterImpl.java
index c8e3b55..57f18a3 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/loading/sort/impl/UnsafeBatchParallelReadMergeSorterImpl.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/loading/sort/impl/UnsafeBatchParallelReadMergeSorterImpl.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.processing.loading.sort.impl;
 
 import java.io.File;
diff --git a/processing/src/main/java/org/apache/carbondata/processing/loading/sort/impl/UnsafeParallelReadMergeSorterImpl.java b/processing/src/main/java/org/apache/carbondata/processing/loading/sort/impl/UnsafeParallelReadMergeSorterImpl.java
index 40dcf86..9788777 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/loading/sort/impl/UnsafeParallelReadMergeSorterImpl.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/loading/sort/impl/UnsafeParallelReadMergeSorterImpl.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.processing.loading.sort.impl;
 
 import java.util.Iterator;
diff --git a/processing/src/main/java/org/apache/carbondata/processing/loading/sort/unsafe/holder/UnsafeCarbonRowForMerge.java b/processing/src/main/java/org/apache/carbondata/processing/loading/sort/unsafe/holder/UnsafeCarbonRowForMerge.java
index a4bb684..43e5087 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/loading/sort/unsafe/holder/UnsafeCarbonRowForMerge.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/loading/sort/unsafe/holder/UnsafeCarbonRowForMerge.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.processing.loading.sort.unsafe.holder;
 
 public class UnsafeCarbonRowForMerge extends UnsafeCarbonRow {
diff --git a/processing/src/main/java/org/apache/carbondata/processing/loading/sort/unsafe/holder/UnsafeInmemoryMergeHolder.java b/processing/src/main/java/org/apache/carbondata/processing/loading/sort/unsafe/holder/UnsafeInmemoryMergeHolder.java
index 4fa33db..6dfd9df 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/loading/sort/unsafe/holder/UnsafeInmemoryMergeHolder.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/loading/sort/unsafe/holder/UnsafeInmemoryMergeHolder.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.processing.loading.sort.unsafe.holder;
 
 import org.apache.carbondata.common.logging.LogServiceFactory;
diff --git a/processing/src/main/java/org/apache/carbondata/processing/loading/sort/unsafe/merger/UnsafeIntermediateMerger.java b/processing/src/main/java/org/apache/carbondata/processing/loading/sort/unsafe/merger/UnsafeIntermediateMerger.java
index 1b44cc6..a05133d 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/loading/sort/unsafe/merger/UnsafeIntermediateMerger.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/loading/sort/unsafe/merger/UnsafeIntermediateMerger.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.processing.loading.sort.unsafe.merger;
 
 import java.io.File;
diff --git a/processing/src/main/java/org/apache/carbondata/processing/loading/sort/unsafe/sort/TimSort.java b/processing/src/main/java/org/apache/carbondata/processing/loading/sort/unsafe/sort/TimSort.java
index 377edfc..cbeb673 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/loading/sort/unsafe/sort/TimSort.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/loading/sort/unsafe/sort/TimSort.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.processing.loading.sort.unsafe.sort;
 
 import java.util.Comparator;
diff --git a/processing/src/main/java/org/apache/carbondata/processing/loading/sort/unsafe/sort/UnsafeIntSortDataFormat.java b/processing/src/main/java/org/apache/carbondata/processing/loading/sort/unsafe/sort/UnsafeIntSortDataFormat.java
index 68a186d..12d8458 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/loading/sort/unsafe/sort/UnsafeIntSortDataFormat.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/loading/sort/unsafe/sort/UnsafeIntSortDataFormat.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.processing.loading.sort.unsafe.sort;
 
 import org.apache.carbondata.core.memory.IntPointerBuffer;
diff --git a/processing/src/main/java/org/apache/carbondata/processing/loading/steps/CarbonRowDataWriterProcessorStepImpl.java b/processing/src/main/java/org/apache/carbondata/processing/loading/steps/CarbonRowDataWriterProcessorStepImpl.java
index 8510715..cafac7c 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/loading/steps/CarbonRowDataWriterProcessorStepImpl.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/loading/steps/CarbonRowDataWriterProcessorStepImpl.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.processing.loading.steps;
 
 import java.io.IOException;
diff --git a/processing/src/main/java/org/apache/carbondata/processing/loading/steps/DataConverterProcessorStepImpl.java b/processing/src/main/java/org/apache/carbondata/processing/loading/steps/DataConverterProcessorStepImpl.java
index c9b9317..1b694c1 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/loading/steps/DataConverterProcessorStepImpl.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/loading/steps/DataConverterProcessorStepImpl.java
@@ -110,7 +110,6 @@ public class DataConverterProcessorStepImpl extends AbstractDataLoadProcessorSte
         new HashPartitionerImpl(indexes, columnSchemas, bucketingInfo.getNumOfRanges());
   }
 
-
   /**
    * initialize partitioner for sort column ranges
    */
@@ -175,6 +174,7 @@ public class DataConverterProcessorStepImpl extends AbstractDataLoadProcessorSte
     return new CarbonIterator<CarbonRowBatch>() {
       private boolean first = true;
       private RowConverter localConverter;
+
       @Override
       public boolean hasNext() {
         if (first) {
@@ -186,6 +186,7 @@ public class DataConverterProcessorStepImpl extends AbstractDataLoadProcessorSte
         }
         return childIter.hasNext();
       }
+
       @Override
       public CarbonRowBatch next() {
         return processRowBatch(childIter.next(), localConverter);
diff --git a/processing/src/main/java/org/apache/carbondata/processing/loading/steps/DataWriterBatchProcessorStepImpl.java b/processing/src/main/java/org/apache/carbondata/processing/loading/steps/DataWriterBatchProcessorStepImpl.java
index 32fc280..1622060 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/loading/steps/DataWriterBatchProcessorStepImpl.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/loading/steps/DataWriterBatchProcessorStepImpl.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.processing.loading.steps;
 
 import java.io.IOException;
diff --git a/processing/src/main/java/org/apache/carbondata/processing/loading/steps/DataWriterProcessorStepImpl.java b/processing/src/main/java/org/apache/carbondata/processing/loading/steps/DataWriterProcessorStepImpl.java
index c09cecc..f1ed8df 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/loading/steps/DataWriterProcessorStepImpl.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/loading/steps/DataWriterProcessorStepImpl.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.processing.loading.steps;
 
 import java.io.IOException;
diff --git a/processing/src/main/java/org/apache/carbondata/processing/loading/steps/InputProcessorStepImpl.java b/processing/src/main/java/org/apache/carbondata/processing/loading/steps/InputProcessorStepImpl.java
index 33231dc..775a9ff 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/loading/steps/InputProcessorStepImpl.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/loading/steps/InputProcessorStepImpl.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.processing.loading.steps;
 
 import java.io.IOException;
diff --git a/processing/src/main/java/org/apache/carbondata/processing/loading/steps/InputProcessorStepWithNoConverterImpl.java b/processing/src/main/java/org/apache/carbondata/processing/loading/steps/InputProcessorStepWithNoConverterImpl.java
index 6520e1a..4ed4db0 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/loading/steps/InputProcessorStepWithNoConverterImpl.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/loading/steps/InputProcessorStepWithNoConverterImpl.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.processing.loading.steps;
 
 import java.io.ByteArrayOutputStream;
@@ -47,7 +48,6 @@ import org.apache.carbondata.processing.loading.exception.CarbonDataLoadingExcep
 import org.apache.carbondata.processing.loading.row.CarbonRowBatch;
 import org.apache.carbondata.processing.util.CarbonDataProcessorUtil;
 
-
 /**
  * It reads data from record reader and sends data to next step.
  */
diff --git a/processing/src/main/java/org/apache/carbondata/processing/loading/steps/JsonInputProcessorStepImpl.java b/processing/src/main/java/org/apache/carbondata/processing/loading/steps/JsonInputProcessorStepImpl.java
index f530ee0..18aacd4 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/loading/steps/JsonInputProcessorStepImpl.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/loading/steps/JsonInputProcessorStepImpl.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.processing.loading.steps;
 
 import java.io.IOException;
diff --git a/processing/src/main/java/org/apache/carbondata/processing/loading/steps/SortProcessorStepImpl.java b/processing/src/main/java/org/apache/carbondata/processing/loading/steps/SortProcessorStepImpl.java
index e7ed457..76c340d 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/loading/steps/SortProcessorStepImpl.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/loading/steps/SortProcessorStepImpl.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.processing.loading.steps;
 
 import java.io.IOException;
diff --git a/processing/src/main/java/org/apache/carbondata/processing/merger/CarbonCompactionExecutor.java b/processing/src/main/java/org/apache/carbondata/processing/merger/CarbonCompactionExecutor.java
index 44495ce..127f75d 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/merger/CarbonCompactionExecutor.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/merger/CarbonCompactionExecutor.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.processing.merger;
 
 import java.io.IOException;
diff --git a/processing/src/main/java/org/apache/carbondata/processing/merger/CarbonCompactionUtil.java b/processing/src/main/java/org/apache/carbondata/processing/merger/CarbonCompactionUtil.java
index 98024e8..bc65b75 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/merger/CarbonCompactionUtil.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/merger/CarbonCompactionUtil.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.processing.merger;
 
 import java.io.IOException;
diff --git a/processing/src/main/java/org/apache/carbondata/processing/merger/CarbonDataMergerUtil.java b/processing/src/main/java/org/apache/carbondata/processing/merger/CarbonDataMergerUtil.java
index c3a30f7..ca34c1d 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/merger/CarbonDataMergerUtil.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/merger/CarbonDataMergerUtil.java
@@ -147,7 +147,6 @@ public final class CarbonDataMergerUtil {
 
   }
 
-
   /**
    * Update Both Segment Update Status and Table Status for the case of IUD Delete
    * delta compaction.
@@ -966,7 +965,6 @@ public final class CarbonDataMergerUtil {
     return validAndInvalidSegments.getValidSegments();
   }
 
-
   /**
    * Removing the already merged segments from list.
    */
diff --git a/processing/src/main/java/org/apache/carbondata/processing/merger/CompactionResultSortProcessor.java b/processing/src/main/java/org/apache/carbondata/processing/merger/CompactionResultSortProcessor.java
index 0c5c7d0..a64a183 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/merger/CompactionResultSortProcessor.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/merger/CompactionResultSortProcessor.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.processing.merger;
 
 import java.io.File;
diff --git a/processing/src/main/java/org/apache/carbondata/processing/merger/CompactionType.java b/processing/src/main/java/org/apache/carbondata/processing/merger/CompactionType.java
index 023335b..1be08fa 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/merger/CompactionType.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/merger/CompactionType.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.processing.merger;
 
 /**
diff --git a/processing/src/main/java/org/apache/carbondata/processing/merger/NodeBlockRelation.java b/processing/src/main/java/org/apache/carbondata/processing/merger/NodeBlockRelation.java
index 3dd67c8..8bab6d5 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/merger/NodeBlockRelation.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/merger/NodeBlockRelation.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.processing.merger;
 
 import org.apache.carbondata.core.datastore.block.Distributable;
diff --git a/processing/src/main/java/org/apache/carbondata/processing/merger/NodeMultiBlockRelation.java b/processing/src/main/java/org/apache/carbondata/processing/merger/NodeMultiBlockRelation.java
index 3eb6c59..3c85f3b 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/merger/NodeMultiBlockRelation.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/merger/NodeMultiBlockRelation.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.processing.merger;
 
 import java.util.Comparator;
diff --git a/processing/src/main/java/org/apache/carbondata/processing/merger/RowResultMergerProcessor.java b/processing/src/main/java/org/apache/carbondata/processing/merger/RowResultMergerProcessor.java
index 8516cf0..22b88d9 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/merger/RowResultMergerProcessor.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/merger/RowResultMergerProcessor.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.processing.merger;
 
 import java.io.IOException;
diff --git a/processing/src/main/java/org/apache/carbondata/processing/partition/spliter/RowResultProcessor.java b/processing/src/main/java/org/apache/carbondata/processing/partition/spliter/RowResultProcessor.java
index 4dae21f..2b4b0ca 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/partition/spliter/RowResultProcessor.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/partition/spliter/RowResultProcessor.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.processing.partition.spliter;
 
 import java.util.List;
@@ -44,7 +45,6 @@ public class RowResultProcessor {
   private static final Logger LOGGER =
       LogServiceFactory.getLogService(RowResultProcessor.class.getName());
 
-
   public RowResultProcessor(CarbonTable carbonTable, CarbonLoadModel loadModel,
       SegmentProperties segProp, String[] tempStoreLocation, Integer bucketId) {
     CarbonDataProcessorUtil.createLocations(tempStoreLocation);
diff --git a/processing/src/main/java/org/apache/carbondata/processing/sort/sortdata/InMemorySortTempChunkHolder.java b/processing/src/main/java/org/apache/carbondata/processing/sort/sortdata/InMemorySortTempChunkHolder.java
index abfbc05..4d41fc0 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/sort/sortdata/InMemorySortTempChunkHolder.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/sort/sortdata/InMemorySortTempChunkHolder.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.processing.sort.sortdata;
 
 import org.apache.carbondata.core.datastore.block.SegmentProperties;
diff --git a/processing/src/main/java/org/apache/carbondata/processing/sort/sortdata/NewRowComparatorForNormalDims.java b/processing/src/main/java/org/apache/carbondata/processing/sort/sortdata/NewRowComparatorForNormalDims.java
index aea83ba..69ed2fd 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/sort/sortdata/NewRowComparatorForNormalDims.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/sort/sortdata/NewRowComparatorForNormalDims.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.processing.sort.sortdata;
 
 import java.io.Serializable;
diff --git a/processing/src/main/java/org/apache/carbondata/processing/sort/sortdata/SortIntermediateFileMerger.java b/processing/src/main/java/org/apache/carbondata/processing/sort/sortdata/SortIntermediateFileMerger.java
index 7079443..cbd4948 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/sort/sortdata/SortIntermediateFileMerger.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/sort/sortdata/SortIntermediateFileMerger.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.processing.sort.sortdata;
 
 import java.io.File;
diff --git a/processing/src/main/java/org/apache/carbondata/processing/sort/sortdata/SortParameters.java b/processing/src/main/java/org/apache/carbondata/processing/sort/sortdata/SortParameters.java
index e7a0173..864bc3b 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/sort/sortdata/SortParameters.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/sort/sortdata/SortParameters.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.processing.sort.sortdata;
 
 import java.io.File;
@@ -416,7 +417,6 @@ public class SortParameters implements Serializable {
     this.noDictSortColumnSchemaOrderMapping = noDictSortColumnSchemaOrderMapping;
   }
 
-
   public static SortParameters createSortParameters(CarbonDataLoadConfiguration configuration) {
     SortParameters parameters = new SortParameters();
     CarbonTableIdentifier tableIdentifier =
diff --git a/processing/src/main/java/org/apache/carbondata/processing/sort/sortdata/TableFieldStat.java b/processing/src/main/java/org/apache/carbondata/processing/sort/sortdata/TableFieldStat.java
index 38ca25b..8bb03cd 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/sort/sortdata/TableFieldStat.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/sort/sortdata/TableFieldStat.java
@@ -263,7 +263,6 @@ public class TableFieldStat implements Serializable {
     return noDictNoSortDataType;
   }
 
-
   public DataType[] getNoDictDataType() {
     return noDictDataType;
   }
diff --git a/processing/src/main/java/org/apache/carbondata/processing/store/CarbonFactDataHandlerModel.java b/processing/src/main/java/org/apache/carbondata/processing/store/CarbonFactDataHandlerModel.java
index 0283e12..ace8cc3 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/store/CarbonFactDataHandlerModel.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/store/CarbonFactDataHandlerModel.java
@@ -512,6 +512,7 @@ public class CarbonFactDataHandlerModel {
   public void setColCardinality(int[] colCardinality) {
     this.colCardinality = colCardinality;
   }
+
   public CarbonDataFileAttributes getCarbonDataFileAttributes() {
     return carbonDataFileAttributes;
   }
diff --git a/processing/src/main/java/org/apache/carbondata/processing/store/writer/AbstractFactDataWriter.java b/processing/src/main/java/org/apache/carbondata/processing/store/writer/AbstractFactDataWriter.java
index fbe5953..6ccc75f 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/store/writer/AbstractFactDataWriter.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/store/writer/AbstractFactDataWriter.java
@@ -482,8 +482,6 @@ public abstract class AbstractFactDataWriter implements CarbonFactDataWriter {
     }
   }
 
-
-
   /**
    * This method will complete hdfs backend storage for this file.
    * It may copy the carbon data file from local store location to carbon store location,
diff --git a/processing/src/main/java/org/apache/carbondata/processing/store/writer/v3/BlockletDataHolder.java b/processing/src/main/java/org/apache/carbondata/processing/store/writer/v3/BlockletDataHolder.java
index 6cbdd9c..fb5b4b4 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/store/writer/v3/BlockletDataHolder.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/store/writer/v3/BlockletDataHolder.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.processing.store.writer.v3;
 
 import java.util.concurrent.ExecutorService;
diff --git a/processing/src/main/java/org/apache/carbondata/processing/store/writer/v3/CarbonFactDataWriterImplV3.java b/processing/src/main/java/org/apache/carbondata/processing/store/writer/v3/CarbonFactDataWriterImplV3.java
index deadfb4..5dcd321 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/store/writer/v3/CarbonFactDataWriterImplV3.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/store/writer/v3/CarbonFactDataWriterImplV3.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.processing.store.writer.v3;
 
 import java.io.IOException;
@@ -193,8 +194,6 @@ public class CarbonFactDataWriterImplV3 extends AbstractFactDataWriter {
     }
   }
 
-
-
   /**
    * Write the collect blocklet data (blockletDataHolder) to file
    */
diff --git a/processing/src/main/java/org/apache/carbondata/processing/util/Auditor.java b/processing/src/main/java/org/apache/carbondata/processing/util/Auditor.java
index e811c59..2bcd4d3 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/util/Auditor.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/util/Auditor.java
@@ -218,5 +218,4 @@ public class Auditor {
     }
   }
 
-
 }
diff --git a/processing/src/main/java/org/apache/carbondata/processing/util/CarbonDataProcessorUtil.java b/processing/src/main/java/org/apache/carbondata/processing/util/CarbonDataProcessorUtil.java
index 17ff811..ace909a 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/util/CarbonDataProcessorUtil.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/util/CarbonDataProcessorUtil.java
@@ -252,7 +252,6 @@ public final class CarbonDataProcessorUtil {
     }
   }
 
-
   /**
    * Preparing the boolean [] to map whether the dimension use inverted index or not.
    */
@@ -514,7 +513,6 @@ public final class CarbonDataProcessorUtil {
     return CarbonTablePath.getSegmentPath(carbonTable.getTablePath(), segmentId);
   }
 
-
   /**
    * initialise data type for measures for their storage format
    */
@@ -675,6 +673,7 @@ public final class CarbonDataProcessorUtil {
     }
     return errorMessage;
   }
+
   /**
    * The method returns true is either logger is enabled or action is redirect
    * @param configuration
diff --git a/processing/src/main/java/org/apache/carbondata/processing/util/CarbonLoaderUtil.java b/processing/src/main/java/org/apache/carbondata/processing/util/CarbonLoaderUtil.java
index 6d3861c..2d9ad4a 100644
--- a/processing/src/main/java/org/apache/carbondata/processing/util/CarbonLoaderUtil.java
+++ b/processing/src/main/java/org/apache/carbondata/processing/util/CarbonLoaderUtil.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.processing.util;
 
 import java.io.IOException;
@@ -447,7 +448,6 @@ public final class CarbonLoaderUtil {
     return escapeCharacter;
   }
 
-
   public static void readAndUpdateLoadProgressInTableMeta(CarbonLoadModel model,
       boolean insertOverwrite, String uuid) throws IOException {
     LoadMetadataDetails newLoadMetaEntry = new LoadMetadataDetails();
@@ -922,6 +922,7 @@ public final class CarbonLoaderUtil {
       blocks.remove();
     }
   }
+
   /**
    * allocate distributable blocks to nodes based on data locality
    */
diff --git a/processing/src/test/java/org/apache/carbondata/core/keygenerator/directdictionary/timestamp/TimeStampDirectDictionaryGeneratorTest.java b/processing/src/test/java/org/apache/carbondata/core/keygenerator/directdictionary/timestamp/TimeStampDirectDictionaryGeneratorTest.java
index bdc4ca5..2ea2627 100644
--- a/processing/src/test/java/org/apache/carbondata/core/keygenerator/directdictionary/timestamp/TimeStampDirectDictionaryGeneratorTest.java
+++ b/processing/src/test/java/org/apache/carbondata/core/keygenerator/directdictionary/timestamp/TimeStampDirectDictionaryGeneratorTest.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.core.keygenerator.directdictionary.timestamp;
 
 import java.text.SimpleDateFormat;
diff --git a/processing/src/test/java/org/apache/carbondata/lcm/locks/LocalFileLockTest.java b/processing/src/test/java/org/apache/carbondata/lcm/locks/LocalFileLockTest.java
index 4f9f76c..957053e 100644
--- a/processing/src/test/java/org/apache/carbondata/lcm/locks/LocalFileLockTest.java
+++ b/processing/src/test/java/org/apache/carbondata/lcm/locks/LocalFileLockTest.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.lcm.locks;
 
 import java.io.File;
diff --git a/processing/src/test/java/org/apache/carbondata/lcm/locks/ZooKeeperLockingTest.java b/processing/src/test/java/org/apache/carbondata/lcm/locks/ZooKeeperLockingTest.java
index 2234d81..45be340 100644
--- a/processing/src/test/java/org/apache/carbondata/lcm/locks/ZooKeeperLockingTest.java
+++ b/processing/src/test/java/org/apache/carbondata/lcm/locks/ZooKeeperLockingTest.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.lcm.locks;
 
 import org.apache.carbondata.core.constants.CarbonCommonConstants;
diff --git a/processing/src/test/java/org/apache/carbondata/processing/loading/csvinput/CSVInputFormatTest.java b/processing/src/test/java/org/apache/carbondata/processing/loading/csvinput/CSVInputFormatTest.java
index 30d9da4..e0437df 100644
--- a/processing/src/test/java/org/apache/carbondata/processing/loading/csvinput/CSVInputFormatTest.java
+++ b/processing/src/test/java/org/apache/carbondata/processing/loading/csvinput/CSVInputFormatTest.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.processing.loading.csvinput;
 
 import java.io.File;
diff --git a/processing/src/test/java/org/apache/carbondata/processing/util/CarbonLoaderUtilTest.java b/processing/src/test/java/org/apache/carbondata/processing/util/CarbonLoaderUtilTest.java
index 23c35da..5721bf2 100644
--- a/processing/src/test/java/org/apache/carbondata/processing/util/CarbonLoaderUtilTest.java
+++ b/processing/src/test/java/org/apache/carbondata/processing/util/CarbonLoaderUtilTest.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.processing.util;
 
 import java.util.ArrayList;
diff --git a/store/sdk/src/main/java/org/apache/carbondata/sdk/file/CarbonReaderBuilder.java b/store/sdk/src/main/java/org/apache/carbondata/sdk/file/CarbonReaderBuilder.java
index c16a66c..7ab4a41 100644
--- a/store/sdk/src/main/java/org/apache/carbondata/sdk/file/CarbonReaderBuilder.java
+++ b/store/sdk/src/main/java/org/apache/carbondata/sdk/file/CarbonReaderBuilder.java
@@ -381,7 +381,6 @@ public class CarbonReaderBuilder {
     }
   }
 
-
   private  <T> CarbonReader<T> buildWithSplits(InputSplit inputSplit)
       throws IOException, InterruptedException {
     if (hadoopConf == null) {
diff --git a/store/sdk/src/main/java/org/apache/carbondata/sdk/file/CarbonWriterBuilder.java b/store/sdk/src/main/java/org/apache/carbondata/sdk/file/CarbonWriterBuilder.java
index 1ae3d28..3a92bc1 100644
--- a/store/sdk/src/main/java/org/apache/carbondata/sdk/file/CarbonWriterBuilder.java
+++ b/store/sdk/src/main/java/org/apache/carbondata/sdk/file/CarbonWriterBuilder.java
@@ -450,7 +450,6 @@ public class CarbonWriterBuilder {
     return this;
   }
 
-
   /**
    * To set the blocklet size of CarbonData file
    *
diff --git a/store/sdk/src/main/java/org/apache/carbondata/sdk/file/Field.java b/store/sdk/src/main/java/org/apache/carbondata/sdk/file/Field.java
index 99f486d..23130bc 100644
--- a/store/sdk/src/main/java/org/apache/carbondata/sdk/file/Field.java
+++ b/store/sdk/src/main/java/org/apache/carbondata/sdk/file/Field.java
@@ -147,8 +147,6 @@ public class Field {
     }
   }
 
-
-
   public Field(String name, DataType type, List<StructField> fields) {
     this.name = name.toLowerCase().trim();
     this.type = type;
diff --git a/store/sdk/src/main/java/org/apache/carbondata/sdk/file/arrow/ArrowFieldWriter.java b/store/sdk/src/main/java/org/apache/carbondata/sdk/file/arrow/ArrowFieldWriter.java
index 3d30877..5ffa69f 100644
--- a/store/sdk/src/main/java/org/apache/carbondata/sdk/file/arrow/ArrowFieldWriter.java
+++ b/store/sdk/src/main/java/org/apache/carbondata/sdk/file/arrow/ArrowFieldWriter.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.sdk.file.arrow;
 
 import java.math.BigDecimal;
diff --git a/store/sdk/src/main/java/org/apache/carbondata/sdk/file/arrow/ArrowUtils.java b/store/sdk/src/main/java/org/apache/carbondata/sdk/file/arrow/ArrowUtils.java
index 13d0c5c..c391b9b 100644
--- a/store/sdk/src/main/java/org/apache/carbondata/sdk/file/arrow/ArrowUtils.java
+++ b/store/sdk/src/main/java/org/apache/carbondata/sdk/file/arrow/ArrowUtils.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.sdk.file.arrow;
 
 import java.util.ArrayList;
diff --git a/store/sdk/src/main/java/org/apache/carbondata/sdk/file/arrow/ArrowWriter.java b/store/sdk/src/main/java/org/apache/carbondata/sdk/file/arrow/ArrowWriter.java
index 9fdee97..1800164 100644
--- a/store/sdk/src/main/java/org/apache/carbondata/sdk/file/arrow/ArrowWriter.java
+++ b/store/sdk/src/main/java/org/apache/carbondata/sdk/file/arrow/ArrowWriter.java
@@ -14,6 +14,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+
 package org.apache.carbondata.sdk.file.arrow;
 
 import java.util.ArrayList;
diff --git a/store/sdk/src/main/java/org/apache/carbondata/sdk/file/utils/SDKUtil.java b/store/sdk/src/main/java/org/apache/carbondata/sdk/file/utils/SDKUtil.java
index 6533fab..c18d5fc 100644
--- a/store/sdk/src/main/java/org/apache/carbondata/sdk/file/utils/SDKUtil.java
+++ b/store/sdk/src/main/java/org/apache/carbondata/sdk/file/utils/SDKUtil.java
@@ -45,7 +45,6 @@ public class SDKUtil {
     return result;
   }
 
-
   public static Object[] getSplitList(String path, String suf,
                                       int numOfSplit, Configuration conf) throws Exception {
     List fileList = listFiles(path, suf, conf);
diff --git a/streaming/src/main/java/org/apache/carbondata/streaming/StreamBlockletWriter.java b/streaming/src/main/java/org/apache/carbondata/streaming/StreamBlockletWriter.java
index c538451..c7d607a 100644
--- a/streaming/src/main/java/org/apache/carbondata/streaming/StreamBlockletWriter.java
+++ b/streaming/src/main/java/org/apache/carbondata/streaming/StreamBlockletWriter.java
@@ -92,7 +92,6 @@ public class StreamBlockletWriter {
     }
   }
 
-
   private void ensureCapacity(int space) {
     int newcount = space + count;
     if (newcount > buffer.length) {
diff --git a/streaming/src/main/java/org/apache/carbondata/streaming/segment/StreamSegment.java b/streaming/src/main/java/org/apache/carbondata/streaming/segment/StreamSegment.java
index b0332fd..7c849c4 100644
--- a/streaming/src/main/java/org/apache/carbondata/streaming/segment/StreamSegment.java
+++ b/streaming/src/main/java/org/apache/carbondata/streaming/segment/StreamSegment.java
@@ -396,7 +396,6 @@ public class StreamSegment {
     }
   }
 
-
   /**
    * list all carbondata files of a segment
    */
diff --git a/tools/cli/src/main/java/org/apache/carbondata/tool/CarbonCli.java b/tools/cli/src/main/java/org/apache/carbondata/tool/CarbonCli.java
index 6cef91a..fac7b8d 100644
--- a/tools/cli/src/main/java/org/apache/carbondata/tool/CarbonCli.java
+++ b/tools/cli/src/main/java/org/apache/carbondata/tool/CarbonCli.java
@@ -43,7 +43,6 @@ import org.apache.commons.cli.PosixParser;
 @InterfaceStability.Unstable
 public class CarbonCli {
 
-
   static class OptionsHolder {
     static Options instance = buildOptions();
   }
@@ -115,7 +114,6 @@ public class CarbonCli {
     run(args, System.out);
   }
 
-
   /**
    * adapter to run CLI and print to stream
    * @param args input arguments
@@ -129,7 +127,6 @@ public class CarbonCli {
     }
   }
 
-
   /**
    * run CLI and fill result into array
    * @param args input arguments
diff --git a/tools/cli/src/main/java/org/apache/carbondata/tool/DataSummary.java b/tools/cli/src/main/java/org/apache/carbondata/tool/DataSummary.java
index 31ab535..b3f6878 100644
--- a/tools/cli/src/main/java/org/apache/carbondata/tool/DataSummary.java
+++ b/tools/cli/src/main/java/org/apache/carbondata/tool/DataSummary.java
@@ -41,6 +41,7 @@ import org.apache.carbondata.format.DataChunk3;
 import org.apache.carbondata.format.FileFooter3;
 import org.apache.carbondata.format.FileHeader;
 import org.apache.carbondata.format.TableInfo;
+
 import static org.apache.carbondata.core.constants.CarbonCommonConstants.DEFAULT_CHARSET;
 
 import org.apache.commons.cli.CommandLine;
diff --git a/tools/cli/src/main/java/org/apache/carbondata/tool/FileCollector.java b/tools/cli/src/main/java/org/apache/carbondata/tool/FileCollector.java
index 7862b43..ab25d80 100644
--- a/tools/cli/src/main/java/org/apache/carbondata/tool/FileCollector.java
+++ b/tools/cli/src/main/java/org/apache/carbondata/tool/FileCollector.java
@@ -49,7 +49,6 @@ class FileCollector {
   private CarbonFile tableStatusFile;
   private CarbonFile schemaFile;
 
-
   FileCollector(List<String> outPuts) {
     this.outPuts = outPuts;
   }