1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    * 
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   * 
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  package org.apache.commons.math.random;
18  import java.util.Random;
19  
20  /**
21   * Dummy AbstractRandomGenerator concrete subclass that just wraps a 
22   * java.util.Random instance.  Used by AbstractRandomGeneratorTest to test
23   * default implementations in AbstractRandomGenerator.
24   *
25   * @version $Revision:$ $Date$
26   */
27  public class TestRandomGenerator extends AbstractRandomGenerator {
28  
29      private static final long serialVersionUID = -9161426374178114548L;
30      private Random random = new Random();
31      
32      public void setSeed(long seed) {
33         clear();
34         random.setSeed(seed);
35      }
36      
37      public double nextDouble() {
38          return random.nextDouble();
39      }
40  
41  }