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Posted to commits@lucene.apache.org by rm...@apache.org on 2014/10/08 13:35:20 UTC

svn commit: r1630075 [1/2] - in /lucene/dev/branches/branch_5x: ./ lucene/ lucene/backward-codecs/src/java/org/apache/lucene/codecs/lucene40/ lucene/backward-codecs/src/java/org/apache/lucene/codecs/lucene42/ lucene/backward-codecs/src/java/org/apache/...

Author: rmuir
Date: Wed Oct  8 11:35:19 2014
New Revision: 1630075

URL: http://svn.apache.org/r1630075
Log:
LUCENE-5998: Remove unnecessary infos abstractions

Added:
    lucene/dev/branches/branch_5x/lucene/backward-codecs/src/test/org/apache/lucene/codecs/lucene40/Lucene40RWFieldInfosFormat.java
      - copied unchanged from r1630072, lucene/dev/trunk/lucene/backward-codecs/src/test/org/apache/lucene/codecs/lucene40/Lucene40RWFieldInfosFormat.java
    lucene/dev/branches/branch_5x/lucene/backward-codecs/src/test/org/apache/lucene/codecs/lucene42/Lucene42RWFieldInfosFormat.java
      - copied unchanged from r1630072, lucene/dev/trunk/lucene/backward-codecs/src/test/org/apache/lucene/codecs/lucene42/Lucene42RWFieldInfosFormat.java
Removed:
    lucene/dev/branches/branch_5x/lucene/backward-codecs/src/java/org/apache/lucene/codecs/lucene40/Lucene40FieldInfosReader.java
    lucene/dev/branches/branch_5x/lucene/backward-codecs/src/java/org/apache/lucene/codecs/lucene40/Lucene40SegmentInfoReader.java
    lucene/dev/branches/branch_5x/lucene/backward-codecs/src/java/org/apache/lucene/codecs/lucene42/Lucene42FieldInfosReader.java
    lucene/dev/branches/branch_5x/lucene/backward-codecs/src/java/org/apache/lucene/codecs/lucene46/Lucene46FieldInfosReader.java
    lucene/dev/branches/branch_5x/lucene/backward-codecs/src/java/org/apache/lucene/codecs/lucene46/Lucene46FieldInfosWriter.java
    lucene/dev/branches/branch_5x/lucene/backward-codecs/src/java/org/apache/lucene/codecs/lucene46/Lucene46SegmentInfoReader.java
    lucene/dev/branches/branch_5x/lucene/backward-codecs/src/test/org/apache/lucene/codecs/lucene40/Lucene40FieldInfosWriter.java
    lucene/dev/branches/branch_5x/lucene/backward-codecs/src/test/org/apache/lucene/codecs/lucene40/Lucene40SegmentInfoWriter.java
    lucene/dev/branches/branch_5x/lucene/backward-codecs/src/test/org/apache/lucene/codecs/lucene42/Lucene42FieldInfosWriter.java
    lucene/dev/branches/branch_5x/lucene/backward-codecs/src/test/org/apache/lucene/codecs/lucene46/Lucene46SegmentInfoWriter.java
    lucene/dev/branches/branch_5x/lucene/codecs/src/java/org/apache/lucene/codecs/simpletext/SimpleTextFieldInfosReader.java
    lucene/dev/branches/branch_5x/lucene/codecs/src/java/org/apache/lucene/codecs/simpletext/SimpleTextFieldInfosWriter.java
    lucene/dev/branches/branch_5x/lucene/codecs/src/java/org/apache/lucene/codecs/simpletext/SimpleTextSegmentInfoReader.java
    lucene/dev/branches/branch_5x/lucene/codecs/src/java/org/apache/lucene/codecs/simpletext/SimpleTextSegmentInfoWriter.java
    lucene/dev/branches/branch_5x/lucene/core/src/java/org/apache/lucene/codecs/FieldInfosReader.java
    lucene/dev/branches/branch_5x/lucene/core/src/java/org/apache/lucene/codecs/FieldInfosWriter.java
    lucene/dev/branches/branch_5x/lucene/core/src/java/org/apache/lucene/codecs/SegmentInfoReader.java
    lucene/dev/branches/branch_5x/lucene/core/src/java/org/apache/lucene/codecs/SegmentInfoWriter.java
    lucene/dev/branches/branch_5x/lucene/core/src/java/org/apache/lucene/codecs/lucene50/Lucene50FieldInfosReader.java
    lucene/dev/branches/branch_5x/lucene/core/src/java/org/apache/lucene/codecs/lucene50/Lucene50FieldInfosWriter.java
    lucene/dev/branches/branch_5x/lucene/core/src/java/org/apache/lucene/codecs/lucene50/Lucene50SegmentInfoReader.java
    lucene/dev/branches/branch_5x/lucene/core/src/java/org/apache/lucene/codecs/lucene50/Lucene50SegmentInfoWriter.java
Modified:
    lucene/dev/branches/branch_5x/   (props changed)
    lucene/dev/branches/branch_5x/lucene/   (props changed)
    lucene/dev/branches/branch_5x/lucene/CHANGES.txt   (contents, props changed)
    lucene/dev/branches/branch_5x/lucene/backward-codecs/src/java/org/apache/lucene/codecs/lucene40/Lucene40DocValuesFormat.java
    lucene/dev/branches/branch_5x/lucene/backward-codecs/src/java/org/apache/lucene/codecs/lucene40/Lucene40DocValuesReader.java
    lucene/dev/branches/branch_5x/lucene/backward-codecs/src/java/org/apache/lucene/codecs/lucene40/Lucene40FieldInfosFormat.java
    lucene/dev/branches/branch_5x/lucene/backward-codecs/src/java/org/apache/lucene/codecs/lucene40/Lucene40NormsReader.java
    lucene/dev/branches/branch_5x/lucene/backward-codecs/src/java/org/apache/lucene/codecs/lucene40/Lucene40SegmentInfoFormat.java
    lucene/dev/branches/branch_5x/lucene/backward-codecs/src/java/org/apache/lucene/codecs/lucene42/Lucene42FieldInfosFormat.java
    lucene/dev/branches/branch_5x/lucene/backward-codecs/src/java/org/apache/lucene/codecs/lucene46/Lucene46FieldInfosFormat.java
    lucene/dev/branches/branch_5x/lucene/backward-codecs/src/java/org/apache/lucene/codecs/lucene46/Lucene46SegmentInfoFormat.java
    lucene/dev/branches/branch_5x/lucene/backward-codecs/src/test/org/apache/lucene/codecs/lucene40/Lucene40DocValuesWriter.java
    lucene/dev/branches/branch_5x/lucene/backward-codecs/src/test/org/apache/lucene/codecs/lucene40/Lucene40RWCodec.java
    lucene/dev/branches/branch_5x/lucene/backward-codecs/src/test/org/apache/lucene/codecs/lucene40/Lucene40RWDocValuesFormat.java
    lucene/dev/branches/branch_5x/lucene/backward-codecs/src/test/org/apache/lucene/codecs/lucene40/Lucene40RWNormsFormat.java
    lucene/dev/branches/branch_5x/lucene/backward-codecs/src/test/org/apache/lucene/codecs/lucene40/Lucene40RWSegmentInfoFormat.java
    lucene/dev/branches/branch_5x/lucene/backward-codecs/src/test/org/apache/lucene/codecs/lucene41/Lucene41RWCodec.java
    lucene/dev/branches/branch_5x/lucene/backward-codecs/src/test/org/apache/lucene/codecs/lucene42/Lucene42RWCodec.java
    lucene/dev/branches/branch_5x/lucene/backward-codecs/src/test/org/apache/lucene/codecs/lucene45/Lucene45RWCodec.java
    lucene/dev/branches/branch_5x/lucene/backward-codecs/src/test/org/apache/lucene/codecs/lucene46/Lucene46RWSegmentInfoFormat.java
    lucene/dev/branches/branch_5x/lucene/codecs/   (props changed)
    lucene/dev/branches/branch_5x/lucene/codecs/src/java/org/apache/lucene/codecs/simpletext/SimpleTextFieldInfosFormat.java
    lucene/dev/branches/branch_5x/lucene/codecs/src/java/org/apache/lucene/codecs/simpletext/SimpleTextSegmentInfoFormat.java
    lucene/dev/branches/branch_5x/lucene/core/   (props changed)
    lucene/dev/branches/branch_5x/lucene/core/src/java/org/apache/lucene/codecs/FieldInfosFormat.java
    lucene/dev/branches/branch_5x/lucene/core/src/java/org/apache/lucene/codecs/SegmentInfoFormat.java
    lucene/dev/branches/branch_5x/lucene/core/src/java/org/apache/lucene/codecs/lucene50/Lucene50FieldInfosFormat.java
    lucene/dev/branches/branch_5x/lucene/core/src/java/org/apache/lucene/codecs/lucene50/Lucene50SegmentInfoFormat.java
    lucene/dev/branches/branch_5x/lucene/core/src/java/org/apache/lucene/index/DefaultIndexingChain.java
    lucene/dev/branches/branch_5x/lucene/core/src/java/org/apache/lucene/index/DocumentsWriterPerThread.java
    lucene/dev/branches/branch_5x/lucene/core/src/java/org/apache/lucene/index/IndexWriter.java
    lucene/dev/branches/branch_5x/lucene/core/src/java/org/apache/lucene/index/ReadersAndUpdates.java
    lucene/dev/branches/branch_5x/lucene/core/src/java/org/apache/lucene/index/SegmentCoreReaders.java
    lucene/dev/branches/branch_5x/lucene/core/src/java/org/apache/lucene/index/SegmentInfos.java
    lucene/dev/branches/branch_5x/lucene/core/src/java/org/apache/lucene/index/SegmentMerger.java
    lucene/dev/branches/branch_5x/lucene/core/src/java/org/apache/lucene/index/SegmentReader.java
    lucene/dev/branches/branch_5x/lucene/core/src/test/org/apache/lucene/index/TestIndexWriterThreadsToSegments.java
    lucene/dev/branches/branch_5x/lucene/test-framework/   (props changed)
    lucene/dev/branches/branch_5x/lucene/test-framework/src/java/org/apache/lucene/codecs/cranky/   (props changed)
    lucene/dev/branches/branch_5x/lucene/test-framework/src/java/org/apache/lucene/codecs/cranky/CrankyFieldInfosFormat.java
    lucene/dev/branches/branch_5x/lucene/test-framework/src/java/org/apache/lucene/codecs/cranky/CrankySegmentInfoFormat.java
    lucene/dev/branches/branch_5x/lucene/test-framework/src/java/org/apache/lucene/index/BaseSegmentInfoFormatTestCase.java

Modified: lucene/dev/branches/branch_5x/lucene/CHANGES.txt
URL: http://svn.apache.org/viewvc/lucene/dev/branches/branch_5x/lucene/CHANGES.txt?rev=1630075&r1=1630074&r2=1630075&view=diff
==============================================================================
--- lucene/dev/branches/branch_5x/lucene/CHANGES.txt (original)
+++ lucene/dev/branches/branch_5x/lucene/CHANGES.txt Wed Oct  8 11:35:19 2014
@@ -136,6 +136,9 @@ API Changes
 
 * LUCENE-5992: Remove FieldInfos from SegmentInfosWriter.write API. (Robert Muir, Mike McCandless)
 
+* LUCENE-5998: Simplify Field/SegmentInfoFormat to read+write methods.
+  (Robert Muir)
+
 Bug Fixes
 
 * LUCENE-5650: Enforce read-only access to any path outside the temporary

Modified: lucene/dev/branches/branch_5x/lucene/backward-codecs/src/java/org/apache/lucene/codecs/lucene40/Lucene40DocValuesFormat.java
URL: http://svn.apache.org/viewvc/lucene/dev/branches/branch_5x/lucene/backward-codecs/src/java/org/apache/lucene/codecs/lucene40/Lucene40DocValuesFormat.java?rev=1630075&r1=1630074&r2=1630075&view=diff
==============================================================================
--- lucene/dev/branches/branch_5x/lucene/backward-codecs/src/java/org/apache/lucene/codecs/lucene40/Lucene40DocValuesFormat.java (original)
+++ lucene/dev/branches/branch_5x/lucene/backward-codecs/src/java/org/apache/lucene/codecs/lucene40/Lucene40DocValuesFormat.java Wed Oct  8 11:35:19 2014
@@ -51,7 +51,7 @@ public class Lucene40DocValuesFormat ext
     String filename = IndexFileNames.segmentFileName(state.segmentInfo.name, 
                                                      "dv", 
                                                      Lucene40CompoundFormat.COMPOUND_FILE_EXTENSION);
-    return new Lucene40DocValuesReader(state, filename, Lucene40FieldInfosReader.LEGACY_DV_TYPE_KEY);
+    return new Lucene40DocValuesReader(state, filename, Lucene40FieldInfosFormat.LEGACY_DV_TYPE_KEY);
   }
   
   // constants for VAR_INTS

Modified: lucene/dev/branches/branch_5x/lucene/backward-codecs/src/java/org/apache/lucene/codecs/lucene40/Lucene40DocValuesReader.java
URL: http://svn.apache.org/viewvc/lucene/dev/branches/branch_5x/lucene/backward-codecs/src/java/org/apache/lucene/codecs/lucene40/Lucene40DocValuesReader.java?rev=1630075&r1=1630074&r2=1630075&view=diff
==============================================================================
--- lucene/dev/branches/branch_5x/lucene/backward-codecs/src/java/org/apache/lucene/codecs/lucene40/Lucene40DocValuesReader.java (original)
+++ lucene/dev/branches/branch_5x/lucene/backward-codecs/src/java/org/apache/lucene/codecs/lucene40/Lucene40DocValuesReader.java Wed Oct  8 11:35:19 2014
@@ -24,7 +24,7 @@ import java.util.concurrent.atomic.Atomi
 
 import org.apache.lucene.codecs.CodecUtil;
 import org.apache.lucene.codecs.DocValuesProducer;
-import org.apache.lucene.codecs.lucene40.Lucene40FieldInfosReader.LegacyDocValuesType;
+import org.apache.lucene.codecs.lucene40.Lucene40FieldInfosFormat.LegacyDocValuesType;
 import org.apache.lucene.index.BinaryDocValues;
 import org.apache.lucene.index.CorruptIndexException;
 import org.apache.lucene.index.FieldInfo;

Modified: lucene/dev/branches/branch_5x/lucene/backward-codecs/src/java/org/apache/lucene/codecs/lucene40/Lucene40FieldInfosFormat.java
URL: http://svn.apache.org/viewvc/lucene/dev/branches/branch_5x/lucene/backward-codecs/src/java/org/apache/lucene/codecs/lucene40/Lucene40FieldInfosFormat.java?rev=1630075&r1=1630074&r2=1630075&view=diff
==============================================================================
--- lucene/dev/branches/branch_5x/lucene/backward-codecs/src/java/org/apache/lucene/codecs/lucene40/Lucene40FieldInfosFormat.java (original)
+++ lucene/dev/branches/branch_5x/lucene/backward-codecs/src/java/org/apache/lucene/codecs/lucene40/Lucene40FieldInfosFormat.java Wed Oct  8 11:35:19 2014
@@ -18,10 +18,22 @@ package org.apache.lucene.codecs.lucene4
  */
 
 import java.io.IOException;
+import java.util.Collections;
+import java.util.Map;
 
+import org.apache.lucene.codecs.CodecUtil;
 import org.apache.lucene.codecs.FieldInfosFormat;
-import org.apache.lucene.codecs.FieldInfosReader;
-import org.apache.lucene.codecs.FieldInfosWriter;
+import org.apache.lucene.index.CorruptIndexException;
+import org.apache.lucene.index.FieldInfo;
+import org.apache.lucene.index.FieldInfos;
+import org.apache.lucene.index.IndexFileNames;
+import org.apache.lucene.index.SegmentInfo;
+import org.apache.lucene.index.FieldInfo.DocValuesType;
+import org.apache.lucene.index.FieldInfo.IndexOptions;
+import org.apache.lucene.store.Directory;
+import org.apache.lucene.store.IOContext;
+import org.apache.lucene.store.IndexInput;
+import org.apache.lucene.util.IOUtils;
 
 /**
  * Lucene 4.0 Field Infos format.
@@ -29,22 +41,119 @@ import org.apache.lucene.codecs.FieldInf
  */
 @Deprecated
 public class Lucene40FieldInfosFormat extends FieldInfosFormat {
-  private final FieldInfosReader reader = new Lucene40FieldInfosReader();
   
   /** Sole constructor. */
   public Lucene40FieldInfosFormat() {
   }
 
   @Override
-  public final FieldInfosReader getFieldInfosReader() throws IOException {
-    return reader;
-  }
+  public final FieldInfos read(Directory directory, SegmentInfo segmentInfo, String segmentSuffix, IOContext iocontext) throws IOException {
+    final String fileName = IndexFileNames.segmentFileName(segmentInfo.name, "", Lucene40FieldInfosFormat.FIELD_INFOS_EXTENSION);
+    IndexInput input = directory.openInput(fileName, iocontext);
+    
+    boolean success = false;
+    try {
+      CodecUtil.checkHeader(input, Lucene40FieldInfosFormat.CODEC_NAME, 
+                                   Lucene40FieldInfosFormat.FORMAT_START, 
+                                   Lucene40FieldInfosFormat.FORMAT_CURRENT);
+
+      final int size = input.readVInt(); //read in the size
+      FieldInfo infos[] = new FieldInfo[size];
+
+      for (int i = 0; i < size; i++) {
+        String name = input.readString();
+        final int fieldNumber = input.readVInt();
+        byte bits = input.readByte();
+        boolean isIndexed = (bits & Lucene40FieldInfosFormat.IS_INDEXED) != 0;
+        boolean storeTermVector = (bits & Lucene40FieldInfosFormat.STORE_TERMVECTOR) != 0;
+        boolean omitNorms = (bits & Lucene40FieldInfosFormat.OMIT_NORMS) != 0;
+        boolean storePayloads = (bits & Lucene40FieldInfosFormat.STORE_PAYLOADS) != 0;
+        final IndexOptions indexOptions;
+        if (!isIndexed) {
+          indexOptions = null;
+        } else if ((bits & Lucene40FieldInfosFormat.OMIT_TERM_FREQ_AND_POSITIONS) != 0) {
+          indexOptions = IndexOptions.DOCS_ONLY;
+        } else if ((bits & Lucene40FieldInfosFormat.OMIT_POSITIONS) != 0) {
+          indexOptions = IndexOptions.DOCS_AND_FREQS;
+        } else if ((bits & Lucene40FieldInfosFormat.STORE_OFFSETS_IN_POSTINGS) != 0) {
+          indexOptions = IndexOptions.DOCS_AND_FREQS_AND_POSITIONS_AND_OFFSETS;
+        } else {
+          indexOptions = IndexOptions.DOCS_AND_FREQS_AND_POSITIONS;
+        }
+
+        // LUCENE-3027: past indices were able to write
+        // storePayloads=true when omitTFAP is also true,
+        // which is invalid.  We correct that, here:
+        if (isIndexed && indexOptions.compareTo(IndexOptions.DOCS_AND_FREQS_AND_POSITIONS) < 0) {
+          storePayloads = false;
+        }
+        // DV Types are packed in one byte
+        byte val = input.readByte();
+        final LegacyDocValuesType oldValuesType = getDocValuesType((byte) (val & 0x0F));
+        final LegacyDocValuesType oldNormsType = getDocValuesType((byte) ((val >>> 4) & 0x0F));
+        final Map<String,String> attributes = input.readStringStringMap();;
+        if (oldValuesType.mapping != null) {
+          attributes.put(LEGACY_DV_TYPE_KEY, oldValuesType.name());
+        }
+        if (oldNormsType.mapping != null) {
+          if (oldNormsType.mapping != DocValuesType.NUMERIC) {
+            throw new CorruptIndexException("invalid norm type: " + oldNormsType, input);
+          }
+          attributes.put(LEGACY_NORM_TYPE_KEY, oldNormsType.name());
+        }
+        infos[i] = new FieldInfo(name, isIndexed, fieldNumber, storeTermVector, 
+          omitNorms, storePayloads, indexOptions, oldValuesType.mapping, oldNormsType.mapping, -1, Collections.unmodifiableMap(attributes));
+      }
 
+      CodecUtil.checkEOF(input);
+      FieldInfos fieldInfos = new FieldInfos(infos);
+      success = true;
+      return fieldInfos;
+    } finally {
+      if (success) {
+        input.close();
+      } else {
+        IOUtils.closeWhileHandlingException(input);
+      }
+    }
+  }
+  
+  static final String LEGACY_DV_TYPE_KEY = Lucene40FieldInfosFormat.class.getSimpleName() + ".dvtype";
+  static final String LEGACY_NORM_TYPE_KEY = Lucene40FieldInfosFormat.class.getSimpleName() + ".normtype";
+  
+  // mapping of 4.0 types -> 4.2 types
+  static enum LegacyDocValuesType {
+    NONE(null),
+    VAR_INTS(DocValuesType.NUMERIC),
+    FLOAT_32(DocValuesType.NUMERIC),
+    FLOAT_64(DocValuesType.NUMERIC),
+    BYTES_FIXED_STRAIGHT(DocValuesType.BINARY),
+    BYTES_FIXED_DEREF(DocValuesType.BINARY),
+    BYTES_VAR_STRAIGHT(DocValuesType.BINARY),
+    BYTES_VAR_DEREF(DocValuesType.BINARY),
+    FIXED_INTS_16(DocValuesType.NUMERIC),
+    FIXED_INTS_32(DocValuesType.NUMERIC),
+    FIXED_INTS_64(DocValuesType.NUMERIC),
+    FIXED_INTS_8(DocValuesType.NUMERIC),
+    BYTES_FIXED_SORTED(DocValuesType.SORTED),
+    BYTES_VAR_SORTED(DocValuesType.SORTED);
+    
+    final DocValuesType mapping;
+    LegacyDocValuesType(DocValuesType mapping) {
+      this.mapping = mapping;
+    }
+  }
+  
+  // decodes a 4.0 type
+  private static LegacyDocValuesType getDocValuesType(byte b) {
+    return LegacyDocValuesType.values()[b];
+  }
+  
   @Override
-  public FieldInfosWriter getFieldInfosWriter() throws IOException {
+  public void write(Directory directory, SegmentInfo segmentInfo, String segmentSuffix, FieldInfos infos, IOContext context) throws IOException {
     throw new UnsupportedOperationException("this codec can only be used for reading");
   }
-  
+
   /** Extension of field infos */
   static final String FIELD_INFOS_EXTENSION = "fnm";
   

Modified: lucene/dev/branches/branch_5x/lucene/backward-codecs/src/java/org/apache/lucene/codecs/lucene40/Lucene40NormsReader.java
URL: http://svn.apache.org/viewvc/lucene/dev/branches/branch_5x/lucene/backward-codecs/src/java/org/apache/lucene/codecs/lucene40/Lucene40NormsReader.java?rev=1630075&r1=1630074&r2=1630075&view=diff
==============================================================================
--- lucene/dev/branches/branch_5x/lucene/backward-codecs/src/java/org/apache/lucene/codecs/lucene40/Lucene40NormsReader.java (original)
+++ lucene/dev/branches/branch_5x/lucene/backward-codecs/src/java/org/apache/lucene/codecs/lucene40/Lucene40NormsReader.java Wed Oct  8 11:35:19 2014
@@ -40,7 +40,7 @@ final class Lucene40NormsReader extends 
   }
   
   Lucene40NormsReader(SegmentReadState state, String filename) throws IOException {
-    impl = new Lucene40DocValuesReader(state, filename, Lucene40FieldInfosReader.LEGACY_NORM_TYPE_KEY);
+    impl = new Lucene40DocValuesReader(state, filename, Lucene40FieldInfosFormat.LEGACY_NORM_TYPE_KEY);
   }
   
   @Override

Modified: lucene/dev/branches/branch_5x/lucene/backward-codecs/src/java/org/apache/lucene/codecs/lucene40/Lucene40SegmentInfoFormat.java
URL: http://svn.apache.org/viewvc/lucene/dev/branches/branch_5x/lucene/backward-codecs/src/java/org/apache/lucene/codecs/lucene40/Lucene40SegmentInfoFormat.java?rev=1630075&r1=1630074&r2=1630075&view=diff
==============================================================================
--- lucene/dev/branches/branch_5x/lucene/backward-codecs/src/java/org/apache/lucene/codecs/lucene40/Lucene40SegmentInfoFormat.java (original)
+++ lucene/dev/branches/branch_5x/lucene/backward-codecs/src/java/org/apache/lucene/codecs/lucene40/Lucene40SegmentInfoFormat.java Wed Oct  8 11:35:19 2014
@@ -17,10 +17,21 @@ package org.apache.lucene.codecs.lucene4
  * limitations under the License.
  */
 
+import java.io.IOException;
+import java.text.ParseException;
+import java.util.Map;
+import java.util.Set;
+
+import org.apache.lucene.codecs.CodecUtil;
 import org.apache.lucene.codecs.SegmentInfoFormat;
-import org.apache.lucene.codecs.SegmentInfoReader;
-import org.apache.lucene.codecs.SegmentInfoWriter;
+import org.apache.lucene.index.CorruptIndexException;
+import org.apache.lucene.index.IndexFileNames;
 import org.apache.lucene.index.SegmentInfo;
+import org.apache.lucene.store.Directory;
+import org.apache.lucene.store.IOContext;
+import org.apache.lucene.store.IndexInput;
+import org.apache.lucene.util.IOUtils;
+import org.apache.lucene.util.Version;
 
 /**
  * Lucene 4.0 Segment info format.
@@ -28,19 +39,55 @@ import org.apache.lucene.index.SegmentIn
  */
 @Deprecated
 public class Lucene40SegmentInfoFormat extends SegmentInfoFormat {
-  private final SegmentInfoReader reader = new Lucene40SegmentInfoReader();
 
   /** Sole constructor. */
   public Lucene40SegmentInfoFormat() {
   }
   
   @Override
-  public final SegmentInfoReader getSegmentInfoReader() {
-    return reader;
+  public final SegmentInfo read(Directory dir, String segment, IOContext context) throws IOException {
+    final String fileName = IndexFileNames.segmentFileName(segment, "", Lucene40SegmentInfoFormat.SI_EXTENSION);
+    final IndexInput input = dir.openInput(fileName, context);
+    boolean success = false;
+    try {
+      CodecUtil.checkHeader(input, Lucene40SegmentInfoFormat.CODEC_NAME,
+                                   Lucene40SegmentInfoFormat.VERSION_START,
+                                   Lucene40SegmentInfoFormat.VERSION_CURRENT);
+      final Version version;
+      try {
+        version = Version.parse(input.readString());
+      } catch (ParseException pe) {
+        throw new CorruptIndexException("unable to parse version string: " + pe.getMessage(), input, pe);
+      }
+      final int docCount = input.readInt();
+      if (docCount < 0) {
+        throw new CorruptIndexException("invalid docCount: " + docCount, input);
+      }
+      final boolean isCompoundFile = input.readByte() == SegmentInfo.YES;
+      final Map<String,String> diagnostics = input.readStringStringMap();
+      input.readStringStringMap(); // read deprecated attributes
+      final Set<String> files = input.readStringSet();
+      
+      CodecUtil.checkEOF(input);
+
+      final SegmentInfo si = new SegmentInfo(dir, version, segment, docCount, isCompoundFile, null, diagnostics, null);
+      si.setFiles(files);
+
+      success = true;
+
+      return si;
+
+    } finally {
+      if (!success) {
+        IOUtils.closeWhileHandlingException(input);
+      } else {
+        input.close();
+      }
+    }
   }
 
   @Override
-  public SegmentInfoWriter getSegmentInfoWriter() {
+  public void write(Directory dir, SegmentInfo info, IOContext ioContext) throws IOException {
     throw new UnsupportedOperationException("this codec can only be used for reading");
   }
 

Modified: lucene/dev/branches/branch_5x/lucene/backward-codecs/src/java/org/apache/lucene/codecs/lucene42/Lucene42FieldInfosFormat.java
URL: http://svn.apache.org/viewvc/lucene/dev/branches/branch_5x/lucene/backward-codecs/src/java/org/apache/lucene/codecs/lucene42/Lucene42FieldInfosFormat.java?rev=1630075&r1=1630074&r2=1630075&view=diff
==============================================================================
--- lucene/dev/branches/branch_5x/lucene/backward-codecs/src/java/org/apache/lucene/codecs/lucene42/Lucene42FieldInfosFormat.java (original)
+++ lucene/dev/branches/branch_5x/lucene/backward-codecs/src/java/org/apache/lucene/codecs/lucene42/Lucene42FieldInfosFormat.java Wed Oct  8 11:35:19 2014
@@ -18,10 +18,22 @@ package org.apache.lucene.codecs.lucene4
  */
 
 import java.io.IOException;
+import java.util.Collections;
+import java.util.Map;
 
+import org.apache.lucene.codecs.CodecUtil;
 import org.apache.lucene.codecs.FieldInfosFormat;
-import org.apache.lucene.codecs.FieldInfosReader;
-import org.apache.lucene.codecs.FieldInfosWriter;
+import org.apache.lucene.index.CorruptIndexException;
+import org.apache.lucene.index.FieldInfo;
+import org.apache.lucene.index.FieldInfos;
+import org.apache.lucene.index.IndexFileNames;
+import org.apache.lucene.index.SegmentInfo;
+import org.apache.lucene.index.FieldInfo.DocValuesType;
+import org.apache.lucene.index.FieldInfo.IndexOptions;
+import org.apache.lucene.store.Directory;
+import org.apache.lucene.store.IOContext;
+import org.apache.lucene.store.IndexInput;
+import org.apache.lucene.util.IOUtils;
 
 /**
  * Lucene 4.2 Field Infos format.
@@ -29,22 +41,89 @@ import org.apache.lucene.codecs.FieldInf
  */
 @Deprecated
 public class Lucene42FieldInfosFormat extends FieldInfosFormat {
-  private final FieldInfosReader reader = new Lucene42FieldInfosReader();
   
   /** Sole constructor. */
   public Lucene42FieldInfosFormat() {
   }
 
   @Override
-  public final FieldInfosReader getFieldInfosReader() throws IOException {
-    return reader;
-  }
+  public FieldInfos read(Directory directory, SegmentInfo segmentInfo, String segmentSuffix, IOContext iocontext) throws IOException {
+    final String fileName = IndexFileNames.segmentFileName(segmentInfo.name, "", Lucene42FieldInfosFormat.EXTENSION);
+    IndexInput input = directory.openInput(fileName, iocontext);
+    
+    boolean success = false;
+    try {
+      CodecUtil.checkHeader(input, Lucene42FieldInfosFormat.CODEC_NAME, 
+                                   Lucene42FieldInfosFormat.FORMAT_START, 
+                                   Lucene42FieldInfosFormat.FORMAT_CURRENT);
+
+      final int size = input.readVInt(); //read in the size
+      FieldInfo infos[] = new FieldInfo[size];
+
+      for (int i = 0; i < size; i++) {
+        String name = input.readString();
+        final int fieldNumber = input.readVInt();
+        byte bits = input.readByte();
+        boolean isIndexed = (bits & Lucene42FieldInfosFormat.IS_INDEXED) != 0;
+        boolean storeTermVector = (bits & Lucene42FieldInfosFormat.STORE_TERMVECTOR) != 0;
+        boolean omitNorms = (bits & Lucene42FieldInfosFormat.OMIT_NORMS) != 0;
+        boolean storePayloads = (bits & Lucene42FieldInfosFormat.STORE_PAYLOADS) != 0;
+        final IndexOptions indexOptions;
+        if (!isIndexed) {
+          indexOptions = null;
+        } else if ((bits & Lucene42FieldInfosFormat.OMIT_TERM_FREQ_AND_POSITIONS) != 0) {
+          indexOptions = IndexOptions.DOCS_ONLY;
+        } else if ((bits & Lucene42FieldInfosFormat.OMIT_POSITIONS) != 0) {
+          indexOptions = IndexOptions.DOCS_AND_FREQS;
+        } else if ((bits & Lucene42FieldInfosFormat.STORE_OFFSETS_IN_POSTINGS) != 0) {
+          indexOptions = IndexOptions.DOCS_AND_FREQS_AND_POSITIONS_AND_OFFSETS;
+        } else {
+          indexOptions = IndexOptions.DOCS_AND_FREQS_AND_POSITIONS;
+        }
 
+        // DV Types are packed in one byte
+        byte val = input.readByte();
+        final DocValuesType docValuesType = getDocValuesType(input, (byte) (val & 0x0F));
+        final DocValuesType normsType = getDocValuesType(input, (byte) ((val >>> 4) & 0x0F));
+        final Map<String,String> attributes = input.readStringStringMap();
+        infos[i] = new FieldInfo(name, isIndexed, fieldNumber, storeTermVector, 
+          omitNorms, storePayloads, indexOptions, docValuesType, normsType, -1, Collections.unmodifiableMap(attributes));
+      }
+
+      CodecUtil.checkEOF(input);
+      FieldInfos fieldInfos = new FieldInfos(infos);
+      success = true;
+      return fieldInfos;
+    } finally {
+      if (success) {
+        input.close();
+      } else {
+        IOUtils.closeWhileHandlingException(input);
+      }
+    }
+  }
+  
+  private static DocValuesType getDocValuesType(IndexInput input, byte b) throws IOException {
+    if (b == 0) {
+      return null;
+    } else if (b == 1) {
+      return DocValuesType.NUMERIC;
+    } else if (b == 2) {
+      return DocValuesType.BINARY;
+    } else if (b == 3) {
+      return DocValuesType.SORTED;
+    } else if (b == 4) {
+      return DocValuesType.SORTED_SET;
+    } else {
+      throw new CorruptIndexException("invalid docvalues byte: " + b, input);
+    }
+  }
+  
   @Override
-  public FieldInfosWriter getFieldInfosWriter() throws IOException {
+  public void write(Directory directory, SegmentInfo segmentInfo, String segmentSuffix, FieldInfos infos, IOContext context) throws IOException {
     throw new UnsupportedOperationException("this codec can only be used for reading");
   }
-  
+
   /** Extension of field infos */
   static final String EXTENSION = "fnm";
   

Modified: lucene/dev/branches/branch_5x/lucene/backward-codecs/src/java/org/apache/lucene/codecs/lucene46/Lucene46FieldInfosFormat.java
URL: http://svn.apache.org/viewvc/lucene/dev/branches/branch_5x/lucene/backward-codecs/src/java/org/apache/lucene/codecs/lucene46/Lucene46FieldInfosFormat.java?rev=1630075&r1=1630074&r2=1630075&view=diff
==============================================================================
--- lucene/dev/branches/branch_5x/lucene/backward-codecs/src/java/org/apache/lucene/codecs/lucene46/Lucene46FieldInfosFormat.java (original)
+++ lucene/dev/branches/branch_5x/lucene/backward-codecs/src/java/org/apache/lucene/codecs/lucene46/Lucene46FieldInfosFormat.java Wed Oct  8 11:35:19 2014
@@ -18,10 +18,23 @@ package org.apache.lucene.codecs.lucene4
  */
 
 import java.io.IOException;
+import java.util.Collections;
+import java.util.Map;
 
+import org.apache.lucene.codecs.CodecUtil;
 import org.apache.lucene.codecs.FieldInfosFormat;
-import org.apache.lucene.codecs.FieldInfosReader;
-import org.apache.lucene.codecs.FieldInfosWriter;
+import org.apache.lucene.index.CorruptIndexException;
+import org.apache.lucene.index.FieldInfo;
+import org.apache.lucene.index.FieldInfos;
+import org.apache.lucene.index.IndexFileNames;
+import org.apache.lucene.index.SegmentInfo;
+import org.apache.lucene.index.FieldInfo.DocValuesType;
+import org.apache.lucene.index.FieldInfo.IndexOptions;
+import org.apache.lucene.store.ChecksumIndexInput;
+import org.apache.lucene.store.Directory;
+import org.apache.lucene.store.IOContext;
+import org.apache.lucene.store.IndexInput;
+import org.apache.lucene.store.IndexOutput;
 
 /**
  * Lucene 4.6 Field Infos format.
@@ -29,21 +42,139 @@ import org.apache.lucene.codecs.FieldInf
  */
 @Deprecated
 public final class Lucene46FieldInfosFormat extends FieldInfosFormat {
-  private final FieldInfosReader reader = new Lucene46FieldInfosReader();
-  private final FieldInfosWriter writer = new Lucene46FieldInfosWriter();
   
   /** Sole constructor. */
   public Lucene46FieldInfosFormat() {
   }
 
   @Override
-  public final FieldInfosReader getFieldInfosReader() throws IOException {
-    return reader;
+  public FieldInfos read(Directory directory, SegmentInfo segmentInfo, String segmentSuffix, IOContext context) throws IOException {
+    final String fileName = IndexFileNames.segmentFileName(segmentInfo.name, segmentSuffix, Lucene46FieldInfosFormat.EXTENSION);
+    try (ChecksumIndexInput input = directory.openChecksumInput(fileName, context)) {
+      int codecVersion = CodecUtil.checkHeader(input, Lucene46FieldInfosFormat.CODEC_NAME, 
+                                                      Lucene46FieldInfosFormat.FORMAT_START, 
+                                                      Lucene46FieldInfosFormat.FORMAT_CURRENT);
+
+      final int size = input.readVInt(); //read in the size
+      FieldInfo infos[] = new FieldInfo[size];
+
+      for (int i = 0; i < size; i++) {
+        String name = input.readString();
+        final int fieldNumber = input.readVInt();
+        if (fieldNumber < 0) {
+          throw new CorruptIndexException("invalid field number for field: " + name + ", fieldNumber=" + fieldNumber, input);
+        }
+        byte bits = input.readByte();
+        boolean isIndexed = (bits & Lucene46FieldInfosFormat.IS_INDEXED) != 0;
+        boolean storeTermVector = (bits & Lucene46FieldInfosFormat.STORE_TERMVECTOR) != 0;
+        boolean omitNorms = (bits & Lucene46FieldInfosFormat.OMIT_NORMS) != 0;
+        boolean storePayloads = (bits & Lucene46FieldInfosFormat.STORE_PAYLOADS) != 0;
+        final IndexOptions indexOptions;
+        if (!isIndexed) {
+          indexOptions = null;
+        } else if ((bits & Lucene46FieldInfosFormat.OMIT_TERM_FREQ_AND_POSITIONS) != 0) {
+          indexOptions = IndexOptions.DOCS_ONLY;
+        } else if ((bits & Lucene46FieldInfosFormat.OMIT_POSITIONS) != 0) {
+          indexOptions = IndexOptions.DOCS_AND_FREQS;
+        } else if ((bits & Lucene46FieldInfosFormat.STORE_OFFSETS_IN_POSTINGS) != 0) {
+          indexOptions = IndexOptions.DOCS_AND_FREQS_AND_POSITIONS_AND_OFFSETS;
+        } else {
+          indexOptions = IndexOptions.DOCS_AND_FREQS_AND_POSITIONS;
+        }
+
+        // DV Types are packed in one byte
+        byte val = input.readByte();
+        final DocValuesType docValuesType = getDocValuesType(input, (byte) (val & 0x0F));
+        final DocValuesType normsType = getDocValuesType(input, (byte) ((val >>> 4) & 0x0F));
+        final long dvGen = input.readLong();
+        final Map<String,String> attributes = input.readStringStringMap();
+        infos[i] = new FieldInfo(name, isIndexed, fieldNumber, storeTermVector, 
+          omitNorms, storePayloads, indexOptions, docValuesType, normsType, dvGen, Collections.unmodifiableMap(attributes));
+      }
+      
+      if (codecVersion >= Lucene46FieldInfosFormat.FORMAT_CHECKSUM) {
+        CodecUtil.checkFooter(input);
+      } else {
+        CodecUtil.checkEOF(input);
+      }
+      return new FieldInfos(infos);
+    }
+  }
+  
+  private static DocValuesType getDocValuesType(IndexInput input, byte b) throws IOException {
+    if (b == 0) {
+      return null;
+    } else if (b == 1) {
+      return DocValuesType.NUMERIC;
+    } else if (b == 2) {
+      return DocValuesType.BINARY;
+    } else if (b == 3) {
+      return DocValuesType.SORTED;
+    } else if (b == 4) {
+      return DocValuesType.SORTED_SET;
+    } else if (b == 5) {
+      return DocValuesType.SORTED_NUMERIC;
+    } else {
+      throw new CorruptIndexException("invalid docvalues byte: " + b, input);
+    }
   }
 
   @Override
-  public FieldInfosWriter getFieldInfosWriter() throws IOException {
-    return writer;
+  public void write(Directory directory, SegmentInfo segmentInfo, String segmentSuffix, FieldInfos infos, IOContext context) throws IOException {
+    final String fileName = IndexFileNames.segmentFileName(segmentInfo.name, segmentSuffix, Lucene46FieldInfosFormat.EXTENSION);
+    try (IndexOutput output = directory.createOutput(fileName, context)) {
+      CodecUtil.writeHeader(output, Lucene46FieldInfosFormat.CODEC_NAME, Lucene46FieldInfosFormat.FORMAT_CURRENT);
+      output.writeVInt(infos.size());
+      for (FieldInfo fi : infos) {
+        IndexOptions indexOptions = fi.getIndexOptions();
+        byte bits = 0x0;
+        if (fi.hasVectors()) bits |= Lucene46FieldInfosFormat.STORE_TERMVECTOR;
+        if (fi.omitsNorms()) bits |= Lucene46FieldInfosFormat.OMIT_NORMS;
+        if (fi.hasPayloads()) bits |= Lucene46FieldInfosFormat.STORE_PAYLOADS;
+        if (fi.isIndexed()) {
+          bits |= Lucene46FieldInfosFormat.IS_INDEXED;
+          assert indexOptions.compareTo(IndexOptions.DOCS_AND_FREQS_AND_POSITIONS) >= 0 || !fi.hasPayloads();
+          if (indexOptions == IndexOptions.DOCS_ONLY) {
+            bits |= Lucene46FieldInfosFormat.OMIT_TERM_FREQ_AND_POSITIONS;
+          } else if (indexOptions == IndexOptions.DOCS_AND_FREQS_AND_POSITIONS_AND_OFFSETS) {
+            bits |= Lucene46FieldInfosFormat.STORE_OFFSETS_IN_POSTINGS;
+          } else if (indexOptions == IndexOptions.DOCS_AND_FREQS) {
+            bits |= Lucene46FieldInfosFormat.OMIT_POSITIONS;
+          }
+        }
+        output.writeString(fi.name);
+        output.writeVInt(fi.number);
+        output.writeByte(bits);
+
+        // pack the DV types in one byte
+        final byte dv = docValuesByte(fi.getDocValuesType());
+        final byte nrm = docValuesByte(fi.getNormType());
+        assert (dv & (~0xF)) == 0 && (nrm & (~0x0F)) == 0;
+        byte val = (byte) (0xff & ((nrm << 4) | dv));
+        output.writeByte(val);
+        output.writeLong(fi.getDocValuesGen());
+        output.writeStringStringMap(fi.attributes());
+      }
+      CodecUtil.writeFooter(output);
+    }
+  }
+  
+  private static byte docValuesByte(DocValuesType type) {
+    if (type == null) {
+      return 0;
+    } else if (type == DocValuesType.NUMERIC) {
+      return 1;
+    } else if (type == DocValuesType.BINARY) {
+      return 2;
+    } else if (type == DocValuesType.SORTED) {
+      return 3;
+    } else if (type == DocValuesType.SORTED_SET) {
+      return 4;
+    } else if (type == DocValuesType.SORTED_NUMERIC) {
+      return 5;
+    } else {
+      throw new AssertionError();
+    }
   }
   
   /** Extension of field infos */

Modified: lucene/dev/branches/branch_5x/lucene/backward-codecs/src/java/org/apache/lucene/codecs/lucene46/Lucene46SegmentInfoFormat.java
URL: http://svn.apache.org/viewvc/lucene/dev/branches/branch_5x/lucene/backward-codecs/src/java/org/apache/lucene/codecs/lucene46/Lucene46SegmentInfoFormat.java?rev=1630075&r1=1630074&r2=1630075&view=diff
==============================================================================
--- lucene/dev/branches/branch_5x/lucene/backward-codecs/src/java/org/apache/lucene/codecs/lucene46/Lucene46SegmentInfoFormat.java (original)
+++ lucene/dev/branches/branch_5x/lucene/backward-codecs/src/java/org/apache/lucene/codecs/lucene46/Lucene46SegmentInfoFormat.java Wed Oct  8 11:35:19 2014
@@ -17,10 +17,20 @@ package org.apache.lucene.codecs.lucene4
  * limitations under the License.
  */
 
+import java.io.IOException;
+import java.text.ParseException;
+import java.util.Map;
+import java.util.Set;
+
+import org.apache.lucene.codecs.CodecUtil;
 import org.apache.lucene.codecs.SegmentInfoFormat;
-import org.apache.lucene.codecs.SegmentInfoReader;
-import org.apache.lucene.codecs.SegmentInfoWriter;
+import org.apache.lucene.index.CorruptIndexException;
+import org.apache.lucene.index.IndexFileNames;
 import org.apache.lucene.index.SegmentInfo;
+import org.apache.lucene.store.ChecksumIndexInput;
+import org.apache.lucene.store.Directory;
+import org.apache.lucene.store.IOContext;
+import org.apache.lucene.util.Version;
 
 /**
  * Lucene 4.6 Segment info format.
@@ -28,19 +38,48 @@ import org.apache.lucene.index.SegmentIn
  */
 @Deprecated
 public class Lucene46SegmentInfoFormat extends SegmentInfoFormat {
-  private final SegmentInfoReader reader = new Lucene46SegmentInfoReader();
 
   /** Sole constructor. */
   public Lucene46SegmentInfoFormat() {
   }
   
   @Override
-  public final SegmentInfoReader getSegmentInfoReader() {
-    return reader;
+  public SegmentInfo read(Directory dir, String segment, IOContext context) throws IOException {
+    final String fileName = IndexFileNames.segmentFileName(segment, "", Lucene46SegmentInfoFormat.SI_EXTENSION);
+    try (ChecksumIndexInput input = dir.openChecksumInput(fileName, context)) {
+      int codecVersion = CodecUtil.checkHeader(input, Lucene46SegmentInfoFormat.CODEC_NAME,
+                                                      Lucene46SegmentInfoFormat.VERSION_START,
+                                                      Lucene46SegmentInfoFormat.VERSION_CURRENT);
+      final Version version;
+      try {
+        version = Version.parse(input.readString());
+      } catch (ParseException pe) {
+        throw new CorruptIndexException("unable to parse version string: " + pe.getMessage(), input, pe);
+      }
+
+      final int docCount = input.readInt();
+      if (docCount < 0) {
+        throw new CorruptIndexException("invalid docCount: " + docCount, input);
+      }
+      final boolean isCompoundFile = input.readByte() == SegmentInfo.YES;
+      final Map<String,String> diagnostics = input.readStringStringMap();
+      final Set<String> files = input.readStringSet();
+
+      if (codecVersion >= Lucene46SegmentInfoFormat.VERSION_CHECKSUM) {
+        CodecUtil.checkFooter(input);
+      } else {
+        CodecUtil.checkEOF(input);
+      }
+
+      final SegmentInfo si = new SegmentInfo(dir, version, segment, docCount, isCompoundFile, null, diagnostics, null);
+      si.setFiles(files);
+
+      return si;
+    }
   }
 
   @Override
-  public SegmentInfoWriter getSegmentInfoWriter() {
+  public void write(Directory dir, SegmentInfo info, IOContext ioContext) throws IOException {
     throw new UnsupportedOperationException("this codec can only be used for reading");
   }
 

Modified: lucene/dev/branches/branch_5x/lucene/backward-codecs/src/test/org/apache/lucene/codecs/lucene40/Lucene40DocValuesWriter.java
URL: http://svn.apache.org/viewvc/lucene/dev/branches/branch_5x/lucene/backward-codecs/src/test/org/apache/lucene/codecs/lucene40/Lucene40DocValuesWriter.java?rev=1630075&r1=1630074&r2=1630075&view=diff
==============================================================================
--- lucene/dev/branches/branch_5x/lucene/backward-codecs/src/test/org/apache/lucene/codecs/lucene40/Lucene40DocValuesWriter.java (original)
+++ lucene/dev/branches/branch_5x/lucene/backward-codecs/src/test/org/apache/lucene/codecs/lucene40/Lucene40DocValuesWriter.java Wed Oct  8 11:35:19 2014
@@ -25,7 +25,7 @@ import java.util.TreeSet;
 import org.apache.lucene.codecs.CodecUtil;
 import org.apache.lucene.codecs.DocValuesConsumer;
 import org.apache.lucene.codecs.MissingOrdRemapper;
-import org.apache.lucene.codecs.lucene40.Lucene40FieldInfosReader.LegacyDocValuesType;
+import org.apache.lucene.codecs.lucene40.Lucene40FieldInfosFormat.LegacyDocValuesType;
 import org.apache.lucene.index.FieldInfo;
 import org.apache.lucene.index.IndexFileNames;
 import org.apache.lucene.index.SegmentWriteState;

Modified: lucene/dev/branches/branch_5x/lucene/backward-codecs/src/test/org/apache/lucene/codecs/lucene40/Lucene40RWCodec.java
URL: http://svn.apache.org/viewvc/lucene/dev/branches/branch_5x/lucene/backward-codecs/src/test/org/apache/lucene/codecs/lucene40/Lucene40RWCodec.java?rev=1630075&r1=1630074&r2=1630075&view=diff
==============================================================================
--- lucene/dev/branches/branch_5x/lucene/backward-codecs/src/test/org/apache/lucene/codecs/lucene40/Lucene40RWCodec.java (original)
+++ lucene/dev/branches/branch_5x/lucene/backward-codecs/src/test/org/apache/lucene/codecs/lucene40/Lucene40RWCodec.java Wed Oct  8 11:35:19 2014
@@ -4,7 +4,6 @@ import java.io.IOException;
 
 import org.apache.lucene.codecs.DocValuesFormat;
 import org.apache.lucene.codecs.FieldInfosFormat;
-import org.apache.lucene.codecs.FieldInfosWriter;
 import org.apache.lucene.codecs.NormsFormat;
 import org.apache.lucene.codecs.PostingsFormat;
 import org.apache.lucene.codecs.SegmentInfoFormat;
@@ -35,13 +34,7 @@ import org.apache.lucene.codecs.TermVect
 @Deprecated
 public final class Lucene40RWCodec extends Lucene40Codec {
   
-  private final FieldInfosFormat fieldInfos = new Lucene40FieldInfosFormat() {
-    @Override
-    public FieldInfosWriter getFieldInfosWriter() throws IOException {
-      return new Lucene40FieldInfosWriter();
-    }
-  };
-  
+  private final FieldInfosFormat fieldInfos = new Lucene40RWFieldInfosFormat();
   private final DocValuesFormat docValues = new Lucene40RWDocValuesFormat();
   private final NormsFormat norms = new Lucene40RWNormsFormat();
   private final StoredFieldsFormat stored = new Lucene40RWStoredFieldsFormat();

Modified: lucene/dev/branches/branch_5x/lucene/backward-codecs/src/test/org/apache/lucene/codecs/lucene40/Lucene40RWDocValuesFormat.java
URL: http://svn.apache.org/viewvc/lucene/dev/branches/branch_5x/lucene/backward-codecs/src/test/org/apache/lucene/codecs/lucene40/Lucene40RWDocValuesFormat.java?rev=1630075&r1=1630074&r2=1630075&view=diff
==============================================================================
--- lucene/dev/branches/branch_5x/lucene/backward-codecs/src/test/org/apache/lucene/codecs/lucene40/Lucene40RWDocValuesFormat.java (original)
+++ lucene/dev/branches/branch_5x/lucene/backward-codecs/src/test/org/apache/lucene/codecs/lucene40/Lucene40RWDocValuesFormat.java Wed Oct  8 11:35:19 2014
@@ -35,6 +35,6 @@ public final class Lucene40RWDocValuesFo
     String filename = IndexFileNames.segmentFileName(state.segmentInfo.name, 
           "dv", 
           Lucene40CompoundFormat.COMPOUND_FILE_EXTENSION);
-    return new Lucene40DocValuesWriter(state, filename, Lucene40FieldInfosReader.LEGACY_DV_TYPE_KEY);
+    return new Lucene40DocValuesWriter(state, filename, Lucene40FieldInfosFormat.LEGACY_DV_TYPE_KEY);
   }
 }

Modified: lucene/dev/branches/branch_5x/lucene/backward-codecs/src/test/org/apache/lucene/codecs/lucene40/Lucene40RWNormsFormat.java
URL: http://svn.apache.org/viewvc/lucene/dev/branches/branch_5x/lucene/backward-codecs/src/test/org/apache/lucene/codecs/lucene40/Lucene40RWNormsFormat.java?rev=1630075&r1=1630074&r2=1630075&view=diff
==============================================================================
--- lucene/dev/branches/branch_5x/lucene/backward-codecs/src/test/org/apache/lucene/codecs/lucene40/Lucene40RWNormsFormat.java (original)
+++ lucene/dev/branches/branch_5x/lucene/backward-codecs/src/test/org/apache/lucene/codecs/lucene40/Lucene40RWNormsFormat.java Wed Oct  8 11:35:19 2014
@@ -36,7 +36,7 @@ public final class Lucene40RWNormsFormat
     String filename = IndexFileNames.segmentFileName(state.segmentInfo.name, 
         "nrm", 
         Lucene40CompoundFormat.COMPOUND_FILE_EXTENSION);
-    final Lucene40DocValuesWriter impl = new Lucene40DocValuesWriter(state, filename, Lucene40FieldInfosReader.LEGACY_NORM_TYPE_KEY);
+    final Lucene40DocValuesWriter impl = new Lucene40DocValuesWriter(state, filename, Lucene40FieldInfosFormat.LEGACY_NORM_TYPE_KEY);
     return new NormsConsumer() {
       @Override
       public void addNormsField(FieldInfo field, Iterable<Number> values) throws IOException {

Modified: lucene/dev/branches/branch_5x/lucene/backward-codecs/src/test/org/apache/lucene/codecs/lucene40/Lucene40RWSegmentInfoFormat.java
URL: http://svn.apache.org/viewvc/lucene/dev/branches/branch_5x/lucene/backward-codecs/src/test/org/apache/lucene/codecs/lucene40/Lucene40RWSegmentInfoFormat.java?rev=1630075&r1=1630074&r2=1630075&view=diff
==============================================================================
--- lucene/dev/branches/branch_5x/lucene/backward-codecs/src/test/org/apache/lucene/codecs/lucene40/Lucene40RWSegmentInfoFormat.java (original)
+++ lucene/dev/branches/branch_5x/lucene/backward-codecs/src/test/org/apache/lucene/codecs/lucene40/Lucene40RWSegmentInfoFormat.java Wed Oct  8 11:35:19 2014
@@ -17,7 +17,16 @@ package org.apache.lucene.codecs.lucene4
  * limitations under the License.
  */
 
-import org.apache.lucene.codecs.SegmentInfoWriter;
+import java.io.IOException;
+import java.util.Collections;
+
+import org.apache.lucene.codecs.CodecUtil;
+import org.apache.lucene.index.IndexFileNames;
+import org.apache.lucene.index.SegmentInfo;
+import org.apache.lucene.store.Directory;
+import org.apache.lucene.store.IOContext;
+import org.apache.lucene.store.IndexOutput;
+import org.apache.lucene.util.IOUtils;
 
 /**
  * Read-write version of 4.0 segmentinfo format for testing
@@ -27,7 +36,33 @@ import org.apache.lucene.codecs.SegmentI
 public final class Lucene40RWSegmentInfoFormat extends Lucene40SegmentInfoFormat {
 
   @Override
-  public SegmentInfoWriter getSegmentInfoWriter() {
-    return new Lucene40SegmentInfoWriter();
+  public void write(Directory dir, SegmentInfo si, IOContext ioContext) throws IOException {
+    final String fileName = IndexFileNames.segmentFileName(si.name, "", Lucene40SegmentInfoFormat.SI_EXTENSION);
+    si.addFile(fileName);
+
+    final IndexOutput output = dir.createOutput(fileName, ioContext);
+
+    boolean success = false;
+    try {
+      CodecUtil.writeHeader(output, Lucene40SegmentInfoFormat.CODEC_NAME, Lucene40SegmentInfoFormat.VERSION_CURRENT);
+      // Write the Lucene version that created this segment, since 3.1
+      output.writeString(si.getVersion().toString());
+      output.writeInt(si.getDocCount());
+
+      output.writeByte((byte) (si.getUseCompoundFile() ? SegmentInfo.YES : SegmentInfo.NO));
+      output.writeStringStringMap(si.getDiagnostics());
+      output.writeStringStringMap(Collections.<String,String>emptyMap());
+      output.writeStringSet(si.files());
+
+      success = true;
+    } finally {
+      if (!success) {
+        IOUtils.closeWhileHandlingException(output);
+        // TODO: why must we do this? do we not get tracking dir wrapper?
+        IOUtils.deleteFilesIgnoringExceptions(si.dir, fileName);
+      } else {
+        output.close();
+      }
+    }
   }
 }

Modified: lucene/dev/branches/branch_5x/lucene/backward-codecs/src/test/org/apache/lucene/codecs/lucene41/Lucene41RWCodec.java
URL: http://svn.apache.org/viewvc/lucene/dev/branches/branch_5x/lucene/backward-codecs/src/test/org/apache/lucene/codecs/lucene41/Lucene41RWCodec.java?rev=1630075&r1=1630074&r2=1630075&view=diff
==============================================================================
--- lucene/dev/branches/branch_5x/lucene/backward-codecs/src/test/org/apache/lucene/codecs/lucene41/Lucene41RWCodec.java (original)
+++ lucene/dev/branches/branch_5x/lucene/backward-codecs/src/test/org/apache/lucene/codecs/lucene41/Lucene41RWCodec.java Wed Oct  8 11:35:19 2014
@@ -1,17 +1,13 @@
 package org.apache.lucene.codecs.lucene41;
 
-import java.io.IOException;
-
 import org.apache.lucene.codecs.DocValuesFormat;
 import org.apache.lucene.codecs.FieldInfosFormat;
-import org.apache.lucene.codecs.FieldInfosWriter;
 import org.apache.lucene.codecs.NormsFormat;
 import org.apache.lucene.codecs.SegmentInfoFormat;
 import org.apache.lucene.codecs.StoredFieldsFormat;
 import org.apache.lucene.codecs.TermVectorsFormat;
-import org.apache.lucene.codecs.lucene40.Lucene40FieldInfosFormat;
-import org.apache.lucene.codecs.lucene40.Lucene40FieldInfosWriter;
 import org.apache.lucene.codecs.lucene40.Lucene40RWDocValuesFormat;
+import org.apache.lucene.codecs.lucene40.Lucene40RWFieldInfosFormat;
 import org.apache.lucene.codecs.lucene40.Lucene40RWNormsFormat;
 import org.apache.lucene.codecs.lucene40.Lucene40RWSegmentInfoFormat;
 import org.apache.lucene.codecs.lucene40.Lucene40RWTermVectorsFormat;
@@ -40,13 +36,7 @@ import org.apache.lucene.codecs.lucene40
 @Deprecated
 public final class Lucene41RWCodec extends Lucene41Codec {
   private final StoredFieldsFormat fieldsFormat = new Lucene41RWStoredFieldsFormat();
-  private final FieldInfosFormat fieldInfos = new Lucene40FieldInfosFormat() {
-    @Override
-    public FieldInfosWriter getFieldInfosWriter() throws IOException {
-      return new Lucene40FieldInfosWriter();
-    }
-  };
-  
+  private final FieldInfosFormat fieldInfos = new Lucene40RWFieldInfosFormat();
   private final DocValuesFormat docValues = new Lucene40RWDocValuesFormat();
   private final NormsFormat norms = new Lucene40RWNormsFormat();
   private final TermVectorsFormat vectors = new Lucene40RWTermVectorsFormat();

Modified: lucene/dev/branches/branch_5x/lucene/backward-codecs/src/test/org/apache/lucene/codecs/lucene42/Lucene42RWCodec.java
URL: http://svn.apache.org/viewvc/lucene/dev/branches/branch_5x/lucene/backward-codecs/src/test/org/apache/lucene/codecs/lucene42/Lucene42RWCodec.java?rev=1630075&r1=1630074&r2=1630075&view=diff
==============================================================================
--- lucene/dev/branches/branch_5x/lucene/backward-codecs/src/test/org/apache/lucene/codecs/lucene42/Lucene42RWCodec.java (original)
+++ lucene/dev/branches/branch_5x/lucene/backward-codecs/src/test/org/apache/lucene/codecs/lucene42/Lucene42RWCodec.java Wed Oct  8 11:35:19 2014
@@ -17,11 +17,8 @@ package org.apache.lucene.codecs.lucene4
  * limitations under the License.
  */
 
-import java.io.IOException;
-
 import org.apache.lucene.codecs.DocValuesFormat;
 import org.apache.lucene.codecs.FieldInfosFormat;
-import org.apache.lucene.codecs.FieldInfosWriter;
 import org.apache.lucene.codecs.NormsFormat;
 import org.apache.lucene.codecs.SegmentInfoFormat;
 import org.apache.lucene.codecs.StoredFieldsFormat;
@@ -39,13 +36,7 @@ public final class Lucene42RWCodec exten
   private static final DocValuesFormat dv = new Lucene42RWDocValuesFormat();
   private static final NormsFormat norms = new Lucene42RWNormsFormat();
   private static final StoredFieldsFormat storedFields = new Lucene41RWStoredFieldsFormat();
-
-  private final FieldInfosFormat fieldInfosFormat = new Lucene42FieldInfosFormat() {
-    @Override
-    public FieldInfosWriter getFieldInfosWriter() throws IOException {
-      return new Lucene42FieldInfosWriter();
-    }
-  };
+  private static final FieldInfosFormat fieldInfosFormat = new Lucene42RWFieldInfosFormat();
 
   @Override
   public DocValuesFormat getDocValuesFormatForField(String field) {

Modified: lucene/dev/branches/branch_5x/lucene/backward-codecs/src/test/org/apache/lucene/codecs/lucene45/Lucene45RWCodec.java
URL: http://svn.apache.org/viewvc/lucene/dev/branches/branch_5x/lucene/backward-codecs/src/test/org/apache/lucene/codecs/lucene45/Lucene45RWCodec.java?rev=1630075&r1=1630074&r2=1630075&view=diff
==============================================================================
--- lucene/dev/branches/branch_5x/lucene/backward-codecs/src/test/org/apache/lucene/codecs/lucene45/Lucene45RWCodec.java (original)
+++ lucene/dev/branches/branch_5x/lucene/backward-codecs/src/test/org/apache/lucene/codecs/lucene45/Lucene45RWCodec.java Wed Oct  8 11:35:19 2014
@@ -17,19 +17,15 @@ package org.apache.lucene.codecs.lucene4
  * limitations under the License.
  */
 
-import java.io.IOException;
-
 import org.apache.lucene.codecs.DocValuesFormat;
 import org.apache.lucene.codecs.FieldInfosFormat;
-import org.apache.lucene.codecs.FieldInfosWriter;
 import org.apache.lucene.codecs.NormsFormat;
 import org.apache.lucene.codecs.SegmentInfoFormat;
 import org.apache.lucene.codecs.StoredFieldsFormat;
 import org.apache.lucene.codecs.TermVectorsFormat;
 import org.apache.lucene.codecs.lucene40.Lucene40RWSegmentInfoFormat;
 import org.apache.lucene.codecs.lucene41.Lucene41RWStoredFieldsFormat;
-import org.apache.lucene.codecs.lucene42.Lucene42FieldInfosFormat;
-import org.apache.lucene.codecs.lucene42.Lucene42FieldInfosWriter;
+import org.apache.lucene.codecs.lucene42.Lucene42RWFieldInfosFormat;
 import org.apache.lucene.codecs.lucene42.Lucene42RWNormsFormat;
 import org.apache.lucene.codecs.lucene42.Lucene42RWTermVectorsFormat;
 
@@ -39,12 +35,7 @@ import org.apache.lucene.codecs.lucene42
 @SuppressWarnings("deprecation")
 public final class Lucene45RWCodec extends Lucene45Codec {
   
-  private final FieldInfosFormat fieldInfosFormat = new Lucene42FieldInfosFormat() {
-    @Override
-    public FieldInfosWriter getFieldInfosWriter() throws IOException {
-      return new Lucene42FieldInfosWriter();
-    }
-  };
+  private static final FieldInfosFormat fieldInfosFormat = new Lucene42RWFieldInfosFormat();
 
   @Override
   public FieldInfosFormat fieldInfosFormat() {

Modified: lucene/dev/branches/branch_5x/lucene/backward-codecs/src/test/org/apache/lucene/codecs/lucene46/Lucene46RWSegmentInfoFormat.java
URL: http://svn.apache.org/viewvc/lucene/dev/branches/branch_5x/lucene/backward-codecs/src/test/org/apache/lucene/codecs/lucene46/Lucene46RWSegmentInfoFormat.java?rev=1630075&r1=1630074&r2=1630075&view=diff
==============================================================================
--- lucene/dev/branches/branch_5x/lucene/backward-codecs/src/test/org/apache/lucene/codecs/lucene46/Lucene46RWSegmentInfoFormat.java (original)
+++ lucene/dev/branches/branch_5x/lucene/backward-codecs/src/test/org/apache/lucene/codecs/lucene46/Lucene46RWSegmentInfoFormat.java Wed Oct  8 11:35:19 2014
@@ -17,7 +17,16 @@ package org.apache.lucene.codecs.lucene4
  * limitations under the License.
  */
 
-import org.apache.lucene.codecs.SegmentInfoWriter;
+import java.io.IOException;
+
+import org.apache.lucene.codecs.CodecUtil;
+import org.apache.lucene.index.IndexFileNames;
+import org.apache.lucene.index.SegmentInfo;
+import org.apache.lucene.store.Directory;
+import org.apache.lucene.store.IOContext;
+import org.apache.lucene.store.IndexOutput;
+import org.apache.lucene.util.IOUtils;
+import org.apache.lucene.util.Version;
 
 /**
  * Read-Write version of 4.6 segmentinfo format for testing
@@ -26,7 +35,36 @@ import org.apache.lucene.codecs.SegmentI
 @Deprecated
 public final class Lucene46RWSegmentInfoFormat extends Lucene46SegmentInfoFormat {
   @Override
-  public SegmentInfoWriter getSegmentInfoWriter() {
-    return new Lucene46SegmentInfoWriter();
+  public void write(Directory dir, SegmentInfo si, IOContext ioContext) throws IOException {
+    final String fileName = IndexFileNames.segmentFileName(si.name, "", Lucene46SegmentInfoFormat.SI_EXTENSION);
+    si.addFile(fileName);
+
+    final IndexOutput output = dir.createOutput(fileName, ioContext);
+
+    boolean success = false;
+    try {
+      CodecUtil.writeHeader(output, Lucene46SegmentInfoFormat.CODEC_NAME, Lucene46SegmentInfoFormat.VERSION_CURRENT);
+      Version version = si.getVersion();
+      if (version.major < 4) {
+        throw new IllegalArgumentException("invalid major version: should be >= 4 but got: " + version.major + " segment=" + si);
+      }
+      // Write the Lucene version that created this segment, since 3.1
+      output.writeString(version.toString());
+      output.writeInt(si.getDocCount());
+
+      output.writeByte((byte) (si.getUseCompoundFile() ? SegmentInfo.YES : SegmentInfo.NO));
+      output.writeStringStringMap(si.getDiagnostics());
+      output.writeStringSet(si.files());
+      CodecUtil.writeFooter(output);
+      success = true;
+    } finally {
+      if (!success) {
+        IOUtils.closeWhileHandlingException(output);
+        // TODO: are we doing this outside of the tracking wrapper? why must SIWriter cleanup like this?
+        IOUtils.deleteFilesIgnoringExceptions(si.dir, fileName);
+      } else {
+        output.close();
+      }
+    }
   }
 }

Modified: lucene/dev/branches/branch_5x/lucene/codecs/src/java/org/apache/lucene/codecs/simpletext/SimpleTextFieldInfosFormat.java
URL: http://svn.apache.org/viewvc/lucene/dev/branches/branch_5x/lucene/codecs/src/java/org/apache/lucene/codecs/simpletext/SimpleTextFieldInfosFormat.java?rev=1630075&r1=1630074&r2=1630075&view=diff
==============================================================================
--- lucene/dev/branches/branch_5x/lucene/codecs/src/java/org/apache/lucene/codecs/simpletext/SimpleTextFieldInfosFormat.java (original)
+++ lucene/dev/branches/branch_5x/lucene/codecs/src/java/org/apache/lucene/codecs/simpletext/SimpleTextFieldInfosFormat.java Wed Oct  8 11:35:19 2014
@@ -18,10 +18,26 @@ package org.apache.lucene.codecs.simplet
  */
 
 import java.io.IOException;
+import java.nio.charset.StandardCharsets;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.Map;
 
 import org.apache.lucene.codecs.FieldInfosFormat;
-import org.apache.lucene.codecs.FieldInfosReader;
-import org.apache.lucene.codecs.FieldInfosWriter;
+import org.apache.lucene.index.FieldInfo;
+import org.apache.lucene.index.FieldInfos;
+import org.apache.lucene.index.IndexFileNames;
+import org.apache.lucene.index.SegmentInfo;
+import org.apache.lucene.index.FieldInfo.DocValuesType;
+import org.apache.lucene.index.FieldInfo.IndexOptions;
+import org.apache.lucene.store.ChecksumIndexInput;
+import org.apache.lucene.store.Directory;
+import org.apache.lucene.store.IOContext;
+import org.apache.lucene.store.IndexOutput;
+import org.apache.lucene.util.BytesRef;
+import org.apache.lucene.util.BytesRefBuilder;
+import org.apache.lucene.util.IOUtils;
+import org.apache.lucene.util.StringHelper;
 
 /**
  * plaintext field infos format
@@ -30,16 +46,220 @@ import org.apache.lucene.codecs.FieldInf
  * @lucene.experimental
  */
 public class SimpleTextFieldInfosFormat extends FieldInfosFormat {
-  private final FieldInfosReader reader = new SimpleTextFieldInfosReader();
-  private final FieldInfosWriter writer = new SimpleTextFieldInfosWriter();
-
+  
+  /** Extension of field infos */
+  static final String FIELD_INFOS_EXTENSION = "inf";
+  
+  static final BytesRef NUMFIELDS       =  new BytesRef("number of fields ");
+  static final BytesRef NAME            =  new BytesRef("  name ");
+  static final BytesRef NUMBER          =  new BytesRef("  number ");
+  static final BytesRef ISINDEXED       =  new BytesRef("  indexed ");
+  static final BytesRef STORETV         =  new BytesRef("  term vectors ");
+  static final BytesRef STORETVPOS      =  new BytesRef("  term vector positions ");
+  static final BytesRef STORETVOFF      =  new BytesRef("  term vector offsets ");
+  static final BytesRef PAYLOADS        =  new BytesRef("  payloads ");
+  static final BytesRef NORMS           =  new BytesRef("  norms ");
+  static final BytesRef NORMS_TYPE      =  new BytesRef("  norms type ");
+  static final BytesRef DOCVALUES       =  new BytesRef("  doc values ");
+  static final BytesRef DOCVALUES_GEN   =  new BytesRef("  doc values gen ");
+  static final BytesRef INDEXOPTIONS    =  new BytesRef("  index options ");
+  static final BytesRef NUM_ATTS        =  new BytesRef("  attributes ");
+  static final BytesRef ATT_KEY         =  new BytesRef("    key ");
+  static final BytesRef ATT_VALUE       =  new BytesRef("    value ");
+  
   @Override
-  public FieldInfosReader getFieldInfosReader() throws IOException {
-    return reader;
+  public FieldInfos read(Directory directory, SegmentInfo segmentInfo, String segmentSuffix, IOContext iocontext) throws IOException {
+    final String fileName = IndexFileNames.segmentFileName(segmentInfo.name, segmentSuffix, FIELD_INFOS_EXTENSION);
+    ChecksumIndexInput input = directory.openChecksumInput(fileName, iocontext);
+    BytesRefBuilder scratch = new BytesRefBuilder();
+    
+    boolean success = false;
+    try {
+      
+      SimpleTextUtil.readLine(input, scratch);
+      assert StringHelper.startsWith(scratch.get(), NUMFIELDS);
+      final int size = Integer.parseInt(readString(NUMFIELDS.length, scratch));
+      FieldInfo infos[] = new FieldInfo[size];
+
+      for (int i = 0; i < size; i++) {
+        SimpleTextUtil.readLine(input, scratch);
+        assert StringHelper.startsWith(scratch.get(), NAME);
+        String name = readString(NAME.length, scratch);
+        
+        SimpleTextUtil.readLine(input, scratch);
+        assert StringHelper.startsWith(scratch.get(), NUMBER);
+        int fieldNumber = Integer.parseInt(readString(NUMBER.length, scratch));
+
+        SimpleTextUtil.readLine(input, scratch);
+        assert StringHelper.startsWith(scratch.get(), ISINDEXED);
+        boolean isIndexed = Boolean.parseBoolean(readString(ISINDEXED.length, scratch));
+        
+        final IndexOptions indexOptions;
+        if (isIndexed) {
+          SimpleTextUtil.readLine(input, scratch);
+          assert StringHelper.startsWith(scratch.get(), INDEXOPTIONS);
+          indexOptions = IndexOptions.valueOf(readString(INDEXOPTIONS.length, scratch));          
+        } else {
+          indexOptions = null;
+        }
+        
+        SimpleTextUtil.readLine(input, scratch);
+        assert StringHelper.startsWith(scratch.get(), STORETV);
+        boolean storeTermVector = Boolean.parseBoolean(readString(STORETV.length, scratch));
+        
+        SimpleTextUtil.readLine(input, scratch);
+        assert StringHelper.startsWith(scratch.get(), PAYLOADS);
+        boolean storePayloads = Boolean.parseBoolean(readString(PAYLOADS.length, scratch));
+        
+        SimpleTextUtil.readLine(input, scratch);
+        assert StringHelper.startsWith(scratch.get(), NORMS);
+        boolean omitNorms = !Boolean.parseBoolean(readString(NORMS.length, scratch));
+        
+        SimpleTextUtil.readLine(input, scratch);
+        assert StringHelper.startsWith(scratch.get(), NORMS_TYPE);
+        String nrmType = readString(NORMS_TYPE.length, scratch);
+        final DocValuesType normsType = docValuesType(nrmType);
+        
+        SimpleTextUtil.readLine(input, scratch);
+        assert StringHelper.startsWith(scratch.get(), DOCVALUES);
+        String dvType = readString(DOCVALUES.length, scratch);
+        final DocValuesType docValuesType = docValuesType(dvType);
+        
+        SimpleTextUtil.readLine(input, scratch);
+        assert StringHelper.startsWith(scratch.get(), DOCVALUES_GEN);
+        final long dvGen = Long.parseLong(readString(DOCVALUES_GEN.length, scratch));
+        
+        SimpleTextUtil.readLine(input, scratch);
+        assert StringHelper.startsWith(scratch.get(), NUM_ATTS);
+        int numAtts = Integer.parseInt(readString(NUM_ATTS.length, scratch));
+        Map<String,String> atts = new HashMap<>();
+
+        for (int j = 0; j < numAtts; j++) {
+          SimpleTextUtil.readLine(input, scratch);
+          assert StringHelper.startsWith(scratch.get(), ATT_KEY);
+          String key = readString(ATT_KEY.length, scratch);
+        
+          SimpleTextUtil.readLine(input, scratch);
+          assert StringHelper.startsWith(scratch.get(), ATT_VALUE);
+          String value = readString(ATT_VALUE.length, scratch);
+          atts.put(key, value);
+        }
+
+        infos[i] = new FieldInfo(name, isIndexed, fieldNumber, storeTermVector, 
+          omitNorms, storePayloads, indexOptions, docValuesType, normsType, dvGen, Collections.unmodifiableMap(atts));
+      }
+
+      SimpleTextUtil.checkFooter(input);
+      
+      FieldInfos fieldInfos = new FieldInfos(infos);
+      success = true;
+      return fieldInfos;
+    } finally {
+      if (success) {
+        input.close();
+      } else {
+        IOUtils.closeWhileHandlingException(input);
+      }
+    }
+  }
+
+  public DocValuesType docValuesType(String dvType) {
+    if ("false".equals(dvType)) {
+      return null;
+    } else {
+      return DocValuesType.valueOf(dvType);
+    }
+  }
+  
+  private String readString(int offset, BytesRefBuilder scratch) {
+    return new String(scratch.bytes(), offset, scratch.length()-offset, StandardCharsets.UTF_8);
   }
 
   @Override
-  public FieldInfosWriter getFieldInfosWriter() throws IOException {
-    return writer;
+  public void write(Directory directory, SegmentInfo segmentInfo, String segmentSuffix, FieldInfos infos, IOContext context) throws IOException {
+    final String fileName = IndexFileNames.segmentFileName(segmentInfo.name, segmentSuffix, FIELD_INFOS_EXTENSION);
+    IndexOutput out = directory.createOutput(fileName, context);
+    BytesRefBuilder scratch = new BytesRefBuilder();
+    boolean success = false;
+    try {
+      SimpleTextUtil.write(out, NUMFIELDS);
+      SimpleTextUtil.write(out, Integer.toString(infos.size()), scratch);
+      SimpleTextUtil.writeNewline(out);
+      
+      for (FieldInfo fi : infos) {
+        SimpleTextUtil.write(out, NAME);
+        SimpleTextUtil.write(out, fi.name, scratch);
+        SimpleTextUtil.writeNewline(out);
+        
+        SimpleTextUtil.write(out, NUMBER);
+        SimpleTextUtil.write(out, Integer.toString(fi.number), scratch);
+        SimpleTextUtil.writeNewline(out);
+        
+        SimpleTextUtil.write(out, ISINDEXED);
+        SimpleTextUtil.write(out, Boolean.toString(fi.isIndexed()), scratch);
+        SimpleTextUtil.writeNewline(out);
+        
+        if (fi.isIndexed()) {
+          assert fi.getIndexOptions().compareTo(IndexOptions.DOCS_AND_FREQS_AND_POSITIONS) >= 0 || !fi.hasPayloads();
+          SimpleTextUtil.write(out, INDEXOPTIONS);
+          SimpleTextUtil.write(out, fi.getIndexOptions().toString(), scratch);
+          SimpleTextUtil.writeNewline(out);
+        }
+        
+        SimpleTextUtil.write(out, STORETV);
+        SimpleTextUtil.write(out, Boolean.toString(fi.hasVectors()), scratch);
+        SimpleTextUtil.writeNewline(out);
+        
+        SimpleTextUtil.write(out, PAYLOADS);
+        SimpleTextUtil.write(out, Boolean.toString(fi.hasPayloads()), scratch);
+        SimpleTextUtil.writeNewline(out);
+               
+        SimpleTextUtil.write(out, NORMS);
+        SimpleTextUtil.write(out, Boolean.toString(!fi.omitsNorms()), scratch);
+        SimpleTextUtil.writeNewline(out);
+        
+        SimpleTextUtil.write(out, NORMS_TYPE);
+        SimpleTextUtil.write(out, getDocValuesType(fi.getNormType()), scratch);
+        SimpleTextUtil.writeNewline(out);
+        
+        SimpleTextUtil.write(out, DOCVALUES);
+        SimpleTextUtil.write(out, getDocValuesType(fi.getDocValuesType()), scratch);
+        SimpleTextUtil.writeNewline(out);
+        
+        SimpleTextUtil.write(out, DOCVALUES_GEN);
+        SimpleTextUtil.write(out, Long.toString(fi.getDocValuesGen()), scratch);
+        SimpleTextUtil.writeNewline(out);
+               
+        Map<String,String> atts = fi.attributes();
+        int numAtts = atts == null ? 0 : atts.size();
+        SimpleTextUtil.write(out, NUM_ATTS);
+        SimpleTextUtil.write(out, Integer.toString(numAtts), scratch);
+        SimpleTextUtil.writeNewline(out);
+      
+        if (numAtts > 0) {
+          for (Map.Entry<String,String> entry : atts.entrySet()) {
+            SimpleTextUtil.write(out, ATT_KEY);
+            SimpleTextUtil.write(out, entry.getKey(), scratch);
+            SimpleTextUtil.writeNewline(out);
+          
+            SimpleTextUtil.write(out, ATT_VALUE);
+            SimpleTextUtil.write(out, entry.getValue(), scratch);
+            SimpleTextUtil.writeNewline(out);
+          }
+        }
+      }
+      SimpleTextUtil.writeChecksum(out, scratch);
+      success = true;
+    } finally {
+      if (success) {
+        out.close();
+      } else {
+        IOUtils.closeWhileHandlingException(out);
+      }
+    }
+  }
+  
+  private static String getDocValuesType(DocValuesType type) {
+    return type == null ? "false" : type.toString();
   }
 }

Modified: lucene/dev/branches/branch_5x/lucene/codecs/src/java/org/apache/lucene/codecs/simpletext/SimpleTextSegmentInfoFormat.java
URL: http://svn.apache.org/viewvc/lucene/dev/branches/branch_5x/lucene/codecs/src/java/org/apache/lucene/codecs/simpletext/SimpleTextSegmentInfoFormat.java?rev=1630075&r1=1630074&r2=1630075&view=diff
==============================================================================
--- lucene/dev/branches/branch_5x/lucene/codecs/src/java/org/apache/lucene/codecs/simpletext/SimpleTextSegmentInfoFormat.java (original)
+++ lucene/dev/branches/branch_5x/lucene/codecs/src/java/org/apache/lucene/codecs/simpletext/SimpleTextSegmentInfoFormat.java Wed Oct  8 11:35:19 2014
@@ -17,9 +17,28 @@ package org.apache.lucene.codecs.simplet
  * limitations under the License.
  */
 
+import java.io.IOException;
+import java.nio.charset.StandardCharsets;
+import java.text.ParseException;
+import java.util.Arrays;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
+
 import org.apache.lucene.codecs.SegmentInfoFormat;
-import org.apache.lucene.codecs.SegmentInfoReader;
-import org.apache.lucene.codecs.SegmentInfoWriter;
+import org.apache.lucene.index.CorruptIndexException;
+import org.apache.lucene.index.IndexFileNames;
+import org.apache.lucene.index.SegmentInfo;
+import org.apache.lucene.store.ChecksumIndexInput;
+import org.apache.lucene.store.Directory;
+import org.apache.lucene.store.IOContext;
+import org.apache.lucene.store.IndexOutput;
+import org.apache.lucene.util.BytesRef;
+import org.apache.lucene.util.BytesRefBuilder;
+import org.apache.lucene.util.IOUtils;
+import org.apache.lucene.util.StringHelper;
+import org.apache.lucene.util.Version;
 
 /**
  * plain text segments file format.
@@ -28,18 +47,163 @@ import org.apache.lucene.codecs.SegmentI
  * @lucene.experimental
  */
 public class SimpleTextSegmentInfoFormat extends SegmentInfoFormat {
-  private final SegmentInfoReader reader = new SimpleTextSegmentInfoReader();
-  private final SegmentInfoWriter writer = new SimpleTextSegmentInfoWriter();
+  final static BytesRef SI_VERSION          = new BytesRef("    version ");
+  final static BytesRef SI_DOCCOUNT         = new BytesRef("    number of documents ");
+  final static BytesRef SI_USECOMPOUND      = new BytesRef("    uses compound file ");
+  final static BytesRef SI_NUM_DIAG         = new BytesRef("    diagnostics ");
+  final static BytesRef SI_DIAG_KEY         = new BytesRef("      key ");
+  final static BytesRef SI_DIAG_VALUE       = new BytesRef("      value ");
+  final static BytesRef SI_NUM_FILES        = new BytesRef("    files ");
+  final static BytesRef SI_FILE             = new BytesRef("      file ");
+  final static BytesRef SI_ID               = new BytesRef("    id ");
 
   public static final String SI_EXTENSION = "si";
   
   @Override
-  public SegmentInfoReader getSegmentInfoReader() {
-    return reader;
+  public SegmentInfo read(Directory directory, String segmentName, IOContext context) throws IOException {
+    BytesRefBuilder scratch = new BytesRefBuilder();
+    String segFileName = IndexFileNames.segmentFileName(segmentName, "", SimpleTextSegmentInfoFormat.SI_EXTENSION);
+    ChecksumIndexInput input = directory.openChecksumInput(segFileName, context);
+    boolean success = false;
+    try {
+      SimpleTextUtil.readLine(input, scratch);
+      assert StringHelper.startsWith(scratch.get(), SI_VERSION);
+      final Version version;
+      try {
+        version = Version.parse(readString(SI_VERSION.length, scratch));
+      } catch (ParseException pe) {
+        throw new CorruptIndexException("unable to parse version string: " + pe.getMessage(), input, pe);
+      }
+    
+      SimpleTextUtil.readLine(input, scratch);
+      assert StringHelper.startsWith(scratch.get(), SI_DOCCOUNT);
+      final int docCount = Integer.parseInt(readString(SI_DOCCOUNT.length, scratch));
+    
+      SimpleTextUtil.readLine(input, scratch);
+      assert StringHelper.startsWith(scratch.get(), SI_USECOMPOUND);
+      final boolean isCompoundFile = Boolean.parseBoolean(readString(SI_USECOMPOUND.length, scratch));
+    
+      SimpleTextUtil.readLine(input, scratch);
+      assert StringHelper.startsWith(scratch.get(), SI_NUM_DIAG);
+      int numDiag = Integer.parseInt(readString(SI_NUM_DIAG.length, scratch));
+      Map<String,String> diagnostics = new HashMap<>();
+
+      for (int i = 0; i < numDiag; i++) {
+        SimpleTextUtil.readLine(input, scratch);
+        assert StringHelper.startsWith(scratch.get(), SI_DIAG_KEY);
+        String key = readString(SI_DIAG_KEY.length, scratch);
+      
+        SimpleTextUtil.readLine(input, scratch);
+        assert StringHelper.startsWith(scratch.get(), SI_DIAG_VALUE);
+        String value = readString(SI_DIAG_VALUE.length, scratch);
+        diagnostics.put(key, value);
+      }
+      
+      SimpleTextUtil.readLine(input, scratch);
+      assert StringHelper.startsWith(scratch.get(), SI_NUM_FILES);
+      int numFiles = Integer.parseInt(readString(SI_NUM_FILES.length, scratch));
+      Set<String> files = new HashSet<>();
+
+      for (int i = 0; i < numFiles; i++) {
+        SimpleTextUtil.readLine(input, scratch);
+        assert StringHelper.startsWith(scratch.get(), SI_FILE);
+        String fileName = readString(SI_FILE.length, scratch);
+        files.add(fileName);
+      }
+      
+      SimpleTextUtil.readLine(input, scratch);
+      assert StringHelper.startsWith(scratch.get(), SI_ID);
+      final byte[] id = Arrays.copyOfRange(scratch.bytes(), SI_ID.length, scratch.length());
+
+      SimpleTextUtil.checkFooter(input);
+
+      SegmentInfo info = new SegmentInfo(directory, version, segmentName, docCount,
+                                         isCompoundFile, null, diagnostics, id);
+      info.setFiles(files);
+      success = true;
+      return info;
+    } finally {
+      if (!success) {
+        IOUtils.closeWhileHandlingException(input);
+      } else {
+        input.close();
+      }
+    }
   }
 
+  private String readString(int offset, BytesRefBuilder scratch) {
+    return new String(scratch.bytes(), offset, scratch.length()-offset, StandardCharsets.UTF_8);
+  }
+  
   @Override
-  public SegmentInfoWriter getSegmentInfoWriter() {
-    return writer;
+  public void write(Directory dir, SegmentInfo si, IOContext ioContext) throws IOException {
+
+    String segFileName = IndexFileNames.segmentFileName(si.name, "", SimpleTextSegmentInfoFormat.SI_EXTENSION);
+    si.addFile(segFileName);
+
+    boolean success = false;
+    IndexOutput output = dir.createOutput(segFileName, ioContext);
+
+    try {
+      BytesRefBuilder scratch = new BytesRefBuilder();
+    
+      SimpleTextUtil.write(output, SI_VERSION);
+      SimpleTextUtil.write(output, si.getVersion().toString(), scratch);
+      SimpleTextUtil.writeNewline(output);
+    
+      SimpleTextUtil.write(output, SI_DOCCOUNT);
+      SimpleTextUtil.write(output, Integer.toString(si.getDocCount()), scratch);
+      SimpleTextUtil.writeNewline(output);
+    
+      SimpleTextUtil.write(output, SI_USECOMPOUND);
+      SimpleTextUtil.write(output, Boolean.toString(si.getUseCompoundFile()), scratch);
+      SimpleTextUtil.writeNewline(output);
+    
+      Map<String,String> diagnostics = si.getDiagnostics();
+      int numDiagnostics = diagnostics == null ? 0 : diagnostics.size();
+      SimpleTextUtil.write(output, SI_NUM_DIAG);
+      SimpleTextUtil.write(output, Integer.toString(numDiagnostics), scratch);
+      SimpleTextUtil.writeNewline(output);
+    
+      if (numDiagnostics > 0) {
+        for (Map.Entry<String,String> diagEntry : diagnostics.entrySet()) {
+          SimpleTextUtil.write(output, SI_DIAG_KEY);
+          SimpleTextUtil.write(output, diagEntry.getKey(), scratch);
+          SimpleTextUtil.writeNewline(output);
+        
+          SimpleTextUtil.write(output, SI_DIAG_VALUE);
+          SimpleTextUtil.write(output, diagEntry.getValue(), scratch);
+          SimpleTextUtil.writeNewline(output);
+        }
+      }
+      
+      Set<String> files = si.files();
+      int numFiles = files == null ? 0 : files.size();
+      SimpleTextUtil.write(output, SI_NUM_FILES);
+      SimpleTextUtil.write(output, Integer.toString(numFiles), scratch);
+      SimpleTextUtil.writeNewline(output);
+
+      if (numFiles > 0) {
+        for(String fileName : files) {
+          SimpleTextUtil.write(output, SI_FILE);
+          SimpleTextUtil.write(output, fileName, scratch);
+          SimpleTextUtil.writeNewline(output);
+        }
+      }
+
+      SimpleTextUtil.write(output, SI_ID);
+      SimpleTextUtil.write(output, new BytesRef(si.getId()));
+      SimpleTextUtil.writeNewline(output);
+      
+      SimpleTextUtil.writeChecksum(output, scratch);
+      success = true;
+    } finally {
+      if (!success) {
+        IOUtils.closeWhileHandlingException(output);
+        IOUtils.deleteFilesIgnoringExceptions(dir, segFileName);
+      } else {
+        output.close();
+      }
+    }
   }
 }

Modified: lucene/dev/branches/branch_5x/lucene/core/src/java/org/apache/lucene/codecs/FieldInfosFormat.java
URL: http://svn.apache.org/viewvc/lucene/dev/branches/branch_5x/lucene/core/src/java/org/apache/lucene/codecs/FieldInfosFormat.java?rev=1630075&r1=1630074&r2=1630075&view=diff
==============================================================================
--- lucene/dev/branches/branch_5x/lucene/core/src/java/org/apache/lucene/codecs/FieldInfosFormat.java (original)
+++ lucene/dev/branches/branch_5x/lucene/core/src/java/org/apache/lucene/codecs/FieldInfosFormat.java Wed Oct  8 11:35:19 2014
@@ -20,6 +20,9 @@ package org.apache.lucene.codecs;
 import java.io.IOException;
 
 import org.apache.lucene.index.FieldInfos; // javadocs
+import org.apache.lucene.index.SegmentInfo;
+import org.apache.lucene.store.Directory;
+import org.apache.lucene.store.IOContext;
 
 /**
  * Encodes/decodes {@link FieldInfos}
@@ -30,12 +33,11 @@ public abstract class FieldInfosFormat {
    *  constructors, typically implicit.) */
   protected FieldInfosFormat() {
   }
+  
+  /** Read the {@link FieldInfos} previously written with {@link #write}. */
+  public abstract FieldInfos read(Directory directory, SegmentInfo segmentInfo, String segmentSuffix, IOContext iocontext) throws IOException;
 
-  /** Returns a {@link FieldInfosReader} to read field infos
-   *  from the index */
-  public abstract FieldInfosReader getFieldInfosReader() throws IOException;
-
-  /** Returns a {@link FieldInfosWriter} to write field infos
-   *  to the index */
-  public abstract FieldInfosWriter getFieldInfosWriter() throws IOException;
+  /** Writes the provided {@link FieldInfos} to the
+   *  directory. */
+  public abstract void write(Directory directory, SegmentInfo segmentInfo, String segmentSuffix, FieldInfos infos, IOContext context) throws IOException;
 }

Modified: lucene/dev/branches/branch_5x/lucene/core/src/java/org/apache/lucene/codecs/SegmentInfoFormat.java
URL: http://svn.apache.org/viewvc/lucene/dev/branches/branch_5x/lucene/core/src/java/org/apache/lucene/codecs/SegmentInfoFormat.java?rev=1630075&r1=1630074&r2=1630075&view=diff
==============================================================================
--- lucene/dev/branches/branch_5x/lucene/core/src/java/org/apache/lucene/codecs/SegmentInfoFormat.java (original)
+++ lucene/dev/branches/branch_5x/lucene/core/src/java/org/apache/lucene/codecs/SegmentInfoFormat.java Wed Oct  8 11:35:19 2014
@@ -17,7 +17,11 @@ package org.apache.lucene.codecs;
  * limitations under the License.
  */
 
+import java.io.IOException;
+
 import org.apache.lucene.index.SegmentInfo;
+import org.apache.lucene.store.Directory;
+import org.apache.lucene.store.IOContext;
 
 /**
  * Expert: Controls the format of the 
@@ -33,11 +37,18 @@ public abstract class SegmentInfoFormat 
   protected SegmentInfoFormat() {
   }
 
-  /** Returns the {@link SegmentInfoReader} for reading
-   *  {@link SegmentInfo} instances. */
-  public abstract SegmentInfoReader getSegmentInfoReader();
+  /**
+   * Read {@link SegmentInfo} data from a directory.
+   * @param directory directory to read from
+   * @param segmentName name of the segment to read
+   * @return infos instance to be populated with data
+   * @throws IOException If an I/O error occurs
+   */
+  public abstract SegmentInfo read(Directory directory, String segmentName, IOContext context) throws IOException;
 
-  /** Returns the {@link SegmentInfoWriter} for writing
-   *  {@link SegmentInfo} instances. */
-  public abstract SegmentInfoWriter getSegmentInfoWriter();
+  /**
+   * Write {@link SegmentInfo} data. 
+   * @throws IOException If an I/O error occurs
+   */
+  public abstract void write(Directory dir, SegmentInfo info, IOContext ioContext) throws IOException;
 }