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/tags/release-0.1-rc2/hive/external/ql/src/java/org/apache/hadoop/hive/ql/udf/generic/SimpleGenericUDAFParameterInfo.java

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Java | 54 lines | 26 code | 7 blank | 21 comment | 0 complexity | 135096de0f94ebf6b88461c841fe772e 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.udf.generic;
19
20import org.apache.hadoop.hive.serde2.typeinfo.TypeInfo;
21
22/**
23 * A simple implementation of <tt>GenericUDAFParameterInfo</tt>.
24 *
25 */
26public class SimpleGenericUDAFParameterInfo implements GenericUDAFParameterInfo
27{
28
29  private final TypeInfo[] parameters;
30  private final boolean distinct;
31  private final boolean allColumns;
32
33  public SimpleGenericUDAFParameterInfo(TypeInfo[] params, boolean distinct,
34      boolean allColumns) {
35    this.parameters = params;
36    this.distinct = distinct;
37    this.allColumns = allColumns;
38  }
39
40  @Override
41  public TypeInfo[] getParameters() {
42    return parameters;
43  }
44
45  @Override
46  public boolean isDistinct() {
47    return distinct;
48  }
49
50  @Override
51  public boolean isAllColumns() {
52    return allColumns;
53  }
54}