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TestMessageValueFactory xref
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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  package org.apache.giraph.factories;
19  
20  import org.apache.giraph.utils.ReflectionUtils;
21  import org.apache.hadoop.io.Writable;
22  
23  /**
24   * Message Factory class that allows setting the message value class
25   *
26   * @param <M> Message Value class
27   */
28  public class TestMessageValueFactory<M extends Writable>
29      implements MessageValueFactory<M> {
30    /** The Message Value class */
31    private final Class<M> klass;
32  
33    /**
34     * Constructor
35     *
36     * @param klass Message value class
37     */
38    public TestMessageValueFactory(Class<M> klass) {
39      this.klass = klass;
40    }
41  
42    @Override public M newInstance() {
43      return ReflectionUtils.newInstance(klass);
44    }
45  }