io.coala.random.impl.RandomNumberStreamFactoryMersenne.java Source code

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Here is the source code for io.coala.random.impl.RandomNumberStreamFactoryMersenne.java

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/* $Id$
 * $URL: https://dev.almende.com/svn/abms/coala-common/src/main/java/com/almende/coala/random/impl/RandomNumberStreamFactoryMersenne.java $
 * 
 * Part of the EU project Adapt4EE, see http://www.adapt4ee.eu/
 * 
 * @license
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy
 * of the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 * 
 * Copyright (c) 2010-2014 Almende B.V. 
 */
package io.coala.random.impl;

import io.coala.random.RandomNumberStream;
import io.coala.random.RandomNumberStreamID;

import org.apache.commons.math3.random.MersenneTwister;
import org.apache.commons.math3.random.RandomGenerator;

/**
 * {@link RandomNumberStreamFactoryMersenne} for {@link RandomNumberStream}s
 * wrapping the {@link MersenneTwister} implementation of a
 * {@link RandomGenerator}
 * 
 * @version $Revision: 324 $
 * @author <a href="mailto:Rick@almende.org">Rick</a>
 *
 */
public class RandomNumberStreamFactoryMersenne implements RandomNumberStream.Factory {

    @Override
    public RandomNumberStream create(final String id, final Number seed) {
        return create(new RandomNumberStreamID(id), seed);
    }

    @Override
    public RandomNumberStream create(final RandomNumberStreamID id, final Number seed) {
        final RandomGenerator rng = new MersenneTwister(seed.longValue());
        return RandomNumberStream.Util.asStream(id, rng);
    }
}