MapJoinMetaData.java

/**
 * 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 {
  static transient Map<Integer, HashTableSinkObjectCtx> mapMetadata = new HashMap<Integer, HashTableSinkObjectCtx>();
  static ArrayList<Object> list = new ArrayList<Object>();

  public MapJoinMetaData(){

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

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

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

}