[GitHub] carbondata pull request #2106: [CARBONDATA-2291] Added datamap status and re...

[jackylk <gi...@git.apache.org>]

Github user jackylk commented on a diff in the pull request:

    https://github.com/apache/carbondata/pull/2106#discussion_r177981285
  
    --- Diff: core/src/main/java/org/apache/carbondata/core/datamap/status/DiskBasedDataMapStatusProvider.java ---
    @@ -0,0 +1,173 @@
    +/*
    + * Licensed to the Apache Software Foundation (ASF) under one or more
    + * contributor license agreements.  See the NOTICE file distributed with
    + * this work for additional information regarding copyright ownership.
    + * The ASF licenses this file to You under the Apache License, Version 2.0
    + * (the "License"); you may not use this file except in compliance with
    + * the License.  You may obtain a copy of the License at
    + *
    + *    http://www.apache.org/licenses/LICENSE-2.0
    + *
    + * Unless required by applicable law or agreed to in writing, software
    + * distributed under the License is distributed on an "AS IS" BASIS,
    + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    + * See the License for the specific language governing permissions and
    + * limitations under the License.
    + */
    +
    +package org.apache.carbondata.core.datamap.status;
    +
    +import java.io.*;
    +import java.nio.charset.Charset;
    +import java.util.ArrayList;
    +import java.util.Arrays;
    +import java.util.List;
    +
    +import org.apache.carbondata.common.logging.LogService;
    +import org.apache.carbondata.common.logging.LogServiceFactory;
    +import org.apache.carbondata.core.constants.CarbonCommonConstants;
    +import org.apache.carbondata.core.datastore.impl.FileFactory;
    +import org.apache.carbondata.core.fileoperations.AtomicFileOperations;
    +import org.apache.carbondata.core.fileoperations.AtomicFileOperationsImpl;
    +import org.apache.carbondata.core.fileoperations.FileWriteOperation;
    +import org.apache.carbondata.core.locks.CarbonLockFactory;
    +import org.apache.carbondata.core.locks.CarbonLockUtil;
    +import org.apache.carbondata.core.locks.ICarbonLock;
    +import org.apache.carbondata.core.locks.LockUsage;
    +import org.apache.carbondata.core.metadata.schema.table.DataMapSchema;
    +import org.apache.carbondata.core.util.CarbonProperties;
    +import org.apache.carbondata.core.util.CarbonUtil;
    +
    +import com.google.gson.Gson;
    +
    +public class DiskBasedDataMapStatusProvider implements DataMapStatusStorageProvider {
    --- End diff --
    
    add comment for this class


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