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/tags/release-0.0.0-rc0/hive/external/ql/src/java/org/apache/hadoop/hive/ql/parse/OpParseContext.java

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Java | 56 lines | 17 code | 6 blank | 33 comment | 0 complexity | b3e65835f34f6f57e3b01140b32b0f02 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.parse;
20import java.io.Serializable;
21/**
22 * Implementation of the Operator Parse Context. It maintains the parse context
23 * that may be needed by an operator. Currently, it only maintains the row
24 * resolver.
25 **/
26
27public class OpParseContext implements Serializable {
28  private static final long serialVersionUID = 1L;
29  private RowResolver rr; // row resolver for the operator
30
31  public OpParseContext() {
32  }
33
34  /**
35   * @param rr
36   *          row resolver
37   */
38  public OpParseContext(RowResolver rr) {
39    this.rr = rr;
40  }
41
42  /**
43   * @return the row resolver
44   */
45  public RowResolver getRowResolver() {
46    return rr;
47  }
48
49  /**
50   * @param rr
51   *          the row resolver to set
52   */
53  public void setRowResolver(RowResolver rr) {
54    this.rr = rr;
55  }
56}