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