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/tags/release-0.0.0-rc0/hive/external/serde/src/java/org/apache/hadoop/hive/serde2/objectinspector/primitive/JavaStringObjectInspector.java

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Java | 62 lines | 33 code | 9 blank | 20 comment | 3 complexity | f43778b1fba1bf36ff58e56dc2ff430f 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.serde2.objectinspector.primitive;
19
20import org.apache.hadoop.io.Text;
21
22/**
23 * A JavaStringObjectInspector inspects a Java String Object.
24 */
25public class JavaStringObjectInspector extends
26    AbstractPrimitiveJavaObjectInspector implements
27    SettableStringObjectInspector {
28
29  JavaStringObjectInspector() {
30    super(PrimitiveObjectInspectorUtils.stringTypeEntry);
31  }
32
33  @Override
34  public Text getPrimitiveWritableObject(Object o) {
35    return o == null ? null : new Text(((String) o));
36  }
37
38  @Override
39  public String getPrimitiveJavaObject(Object o) {
40    return (String) o;
41  }
42
43  @Override
44  public Object create(Text value) {
45    return value == null ? null : value.toString();
46  }
47
48  @Override
49  public Object set(Object o, Text value) {
50    return value == null ? null : value.toString();
51  }
52
53  @Override
54  public Object create(String value) {
55    return value;
56  }
57
58  @Override
59  public Object set(Object o, String value) {
60    return value;
61  }
62}