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/tags/release-0.0.0-rc0/hive/external/ql/src/java/org/apache/hadoop/hive/ql/plan/SMBJoinDesc.java

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Java | 57 lines | 26 code | 13 blank | 18 comment | 0 complexity | fac856407cfce3d25d57d7c041d323fe 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 */
18
19package org.apache.hadoop.hive.ql.plan;
20
21import java.io.Serializable;
22import java.util.HashMap;
23
24@Explain(displayName = "Sorted Merge Bucket Map Join Operator")
25public class SMBJoinDesc extends MapJoinDesc implements Serializable {
26
27  private static final long serialVersionUID = 1L;
28  
29  private MapredLocalWork localWork;
30  
31  //keep a mapping from tag to the fetch operator alias 
32  private HashMap<Byte, String> tagToAlias;
33
34  public SMBJoinDesc(MapJoinDesc conf) {
35    super(conf);
36  }
37
38  public SMBJoinDesc() {
39  }
40
41  public MapredLocalWork getLocalWork() {
42    return localWork;
43  }
44
45  public void setLocalWork(MapredLocalWork localWork) {
46    this.localWork = localWork;
47  }
48
49  public HashMap<Byte, String> getTagToAlias() {
50    return tagToAlias;
51  }
52
53  public void setTagToAlias(HashMap<Byte, String> tagToAlias) {
54    this.tagToAlias = tagToAlias;
55  }
56  
57}