001/* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017package org.apache.commons.math3.random; 018 019import java.util.Random; 020 021/** 022 * Extension of <code>java.util.Random</code> to implement 023 * {@link RandomGenerator}. 024 * 025 * @since 1.1 026 */ 027public class JDKRandomGenerator extends Random implements RandomGenerator { 028 029 /** Serializable version identifier. */ 030 private static final long serialVersionUID = -7745277476784028798L; 031 032 /** 033 * Create a new JDKRandomGenerator with a default seed. 034 */ 035 public JDKRandomGenerator() { 036 super(); 037 } 038 039 /** 040 * Create a new JDKRandomGenerator with the given seed. 041 * 042 * @param seed initial seed 043 * @since 3.6 044 */ 045 public JDKRandomGenerator(int seed) { 046 setSeed(seed); 047 } 048 049 /** {@inheritDoc} */ 050 public void setSeed(int seed) { 051 setSeed((long) seed); 052 } 053 054 /** {@inheritDoc} */ 055 public void setSeed(int[] seed) { 056 setSeed(RandomGeneratorFactory.convertToLong(seed)); 057 } 058}