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/tags/release-0.1-rc2/hive/external/ql/src/java/org/apache/hadoop/hive/ql/exec/MapJoinMetaData.java

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Java | 49 lines | 24 code | 8 blank | 17 comment | 0 complexity | acd98e7b87baf5a9bda4cff8a9d26ec0 MD5 | raw file
 1/**
 2 * Licensed to the Apache Software Foundation (ASF) under one
 3 * or more contributor license agreements.  See the NOTICE file
 4 * distributed with this work for additional information
 5 * regarding copyright ownership.  The ASF licenses this file
 6 * to you under the Apache License, Version 2.0 (the
 7 * "License"); you may not use this file except in compliance
 8 * with the License.  You may obtain a copy of the License at
 9 *
10 *     http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 */
18package org.apache.hadoop.hive.ql.exec;
19
20import java.util.ArrayList;
21import java.util.HashMap;
22import java.util.Map;
23
24import org.apache.hadoop.hive.ql.exec.HashTableSinkOperator.HashTableSinkObjectCtx;
25
26public class MapJoinMetaData {
27  static transient Map<Integer, HashTableSinkObjectCtx> mapMetadata = new HashMap<Integer, HashTableSinkObjectCtx>();
28  static ArrayList<Object> list = new ArrayList<Object>();
29
30  public MapJoinMetaData(){
31
32  }
33  public static void put(Integer key, HashTableSinkObjectCtx value){
34    mapMetadata.put(key, value);
35  }
36  public static HashTableSinkObjectCtx get(Integer key){
37    return mapMetadata.get(key);
38  }
39
40  public static void clear(){
41    mapMetadata.clear();
42  }
43
44  public static ArrayList<Object> getList(){
45    list.clear();
46    return list;
47  }
48
49}