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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  
18  package org.apache.commons.rng.examples.jmh;
19  
20  import org.apache.commons.rng.UniformRandomProvider;
21  import org.openjdk.jmh.annotations.Scope;
22  import org.openjdk.jmh.annotations.Setup;
23  import org.openjdk.jmh.annotations.State;
24  
25  /**
26   * A benchmark state that can retrieve the various generators defined by
27   * {@link org.apache.commons.rng.simple.RandomSource RandomSource} values.
28   *
29   * <p>The state will include only those that do not require additional constructor arguments.</p>
30   */
31  @State(Scope.Benchmark)
32  public class RandomSources extends RandomSourceValues {
33      /** RNG. */
34      private UniformRandomProvider generator;
35  
36      /**
37       * Gets the generator.
38       *
39       * @return the RNG.
40       */
41      public UniformRandomProvider getGenerator() {
42          return generator;
43      }
44  
45      /**
46       * Look-up the {@link org.apache.commons.rng.simple.RandomSource RandomSource} from the
47       * name and instantiates the generator.
48       */
49      @Override
50      @Setup
51      public void setup() {
52          super.setup();
53          generator = getRandomSource().create();
54      }
55  }