All Downloads are FREE. Search and download functionalities are using the official Maven repository.

org.apache.hadoop.hive.ql.exec.MapJoinMetaData Maven / Gradle / Ivy

Go to download

Hive is a data warehouse infrastructure built on top of Hadoop see http://wiki.apache.org/hadoop/Hive

There is a newer version: 0.11.0-shark-0.9.1
Show newest version
/**
 * 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.hadoop.hive.ql.exec;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;

import org.apache.hadoop.hive.ql.exec.HashTableSinkOperator.HashTableSinkObjectCtx;

public class MapJoinMetaData {
  transient Map mapMetadata =
      new HashMap();
  static ArrayList list = new ArrayList();

  public MapJoinMetaData(){

  }
  public void put(Integer key, HashTableSinkObjectCtx value){
    mapMetadata.put(key, value);
  }
  public HashTableSinkObjectCtx get(Integer key){
    return mapMetadata.get(key);
  }

  public void clear(){
    mapMetadata.clear();
  }

  public static ArrayList getList(){
    list.clear();
    return list;
  }
}