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From jackylk <>
Subject [GitHub] carbondata pull request #1099: [CARBONDATA-1232] Datamap implementation for ...
Date Wed, 05 Jul 2017 02:42:56 GMT
Github user jackylk commented on a diff in the pull request:
    --- Diff: core/src/main/java/org/apache/carbondata/core/indexstore/blockletindex/
    @@ -0,0 +1,123 @@
    + * 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
    + *
    + *
    + *
    + * 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.indexstore.blockletindex;
    +import java.util.ArrayList;
    +import java.util.HashMap;
    +import java.util.List;
    +import java.util.Map;
    +import org.apache.carbondata.core.cache.Cache;
    +import org.apache.carbondata.core.cache.CacheProvider;
    +import org.apache.carbondata.core.cache.CacheType;
    +import org.apache.carbondata.core.datastore.filesystem.CarbonFile;
    +import org.apache.carbondata.core.datastore.filesystem.CarbonFileFilter;
    +import org.apache.carbondata.core.datastore.impl.FileFactory;
    +import org.apache.carbondata.core.indexstore.AbstractTableDataMap;
    +import org.apache.carbondata.core.indexstore.DataMap;
    +import org.apache.carbondata.core.indexstore.DataMapDistributable;
    +import org.apache.carbondata.core.indexstore.DataMapWriter;
    +import org.apache.carbondata.core.indexstore.TableBlockIndexUniqueIdentifier;
    +import org.apache.carbondata.core.metadata.AbsoluteTableIdentifier;
    +import org.apache.carbondata.core.scan.filter.resolver.FilterResolverIntf;
    + * Table map for blocklet
    + */
    +public class BlockletTableMap extends AbstractTableDataMap {
    --- End diff --
    After creating `DataMap.Builder` interface, we can remove abstract class and make this
class final. It should not be extensible.

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