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From sounakr <...@git.apache.org>
Subject [GitHub] carbondata pull request #1359: [CARBONDATA-1480]Min Max Index Example for Da...
Date Fri, 15 Sep 2017 11:14:28 GMT
Github user sounakr commented on a diff in the pull request:

    https://github.com/apache/carbondata/pull/1359#discussion_r139123481
  
    --- Diff: examples/spark2/src/main/scala/org/apache/carbondata/examples/MinMaxDataMapFactory.java
---
    @@ -0,0 +1,141 @@
    +/*
    + * 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.examples;
    +
    +import java.io.IOException;
    +import java.util.ArrayList;
    +import java.util.Arrays;
    +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.datamap.DataMapDistributable;
    +import org.apache.carbondata.core.datamap.DataMapMeta;
    +import org.apache.carbondata.core.datamap.TableDataMap;
    +import org.apache.carbondata.core.datamap.dev.DataMap;
    +import org.apache.carbondata.core.datamap.dev.DataMapFactory;
    +import org.apache.carbondata.core.datamap.dev.DataMapWriter;
    +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.events.ChangeEvent;
    +import org.apache.carbondata.core.indexstore.TableBlockIndexUniqueIdentifier;
    +import org.apache.carbondata.core.indexstore.blockletindex.BlockletDataMap;
    +import org.apache.carbondata.core.indexstore.schema.FilterType;
    +import org.apache.carbondata.core.memory.MemoryException;
    +import org.apache.carbondata.core.metadata.AbsoluteTableIdentifier;
    +
    +
    +/**
    + * Table map for blocklet
    + */
    +public class MinMaxDataMapFactory implements DataMapFactory {
    +
    +  private AbsoluteTableIdentifier identifier;
    +
    +  // segmentId -> list of index file
    +  private Map<String, List<TableBlockIndexUniqueIdentifier>> segmentMap =
new HashMap<>();
    +
    +  private Cache<TableBlockIndexUniqueIdentifier, DataMap> cache;
    +
    +  @Override
    +  public void init(AbsoluteTableIdentifier identifier, String dataMapName) {
    +    this.identifier = identifier;
    +    cache = CacheProvider.getInstance()
    --- End diff --
    
    Removed.


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