arrays.java

/*
 * Java Genetic Algorithm Library (@__identifier__@).
 * Copyright (c) @__year__@ Franz Wilhelmstötter
 *
 * 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.
 *
 * Author:
 *    Franz Wilhelmstötter (franz.wilhelmstoetter@gmx.at)
 */
package org.jenetics.internal.util;

//import static java.lang.Math.max;
//import static java.lang.Math.min;
//
//import org.jenetics.util.Concurrent;
import org.jenetics.util.Factory;
import org.jenetics.util.StaticObject;

/**
 * @author <a href="mailto:franz.wilhelmstoetter@gmx.at">Franz Wilhelmstötter</a>
 * @since 1.5
 * @version 1.5 &mdash; <em>$Date: 2013-11-18 $</em>
 */
public final class arrays extends StaticObject {
	private arrays() {}

//	static int MIN_BULK_SIZE = 11;
//	public static Object[] fill(final Object[] array, final Factory<?> factory) {
//		if (array.length > 0) {
//			try (Concurrent c = new Concurrent()) {
//				final int threads = c.getParallelism();
//				final int[] parts = org.jenetics.util.arrays.partition(
//					array.length, min(threads, max(array.length/MIN_BULK_SIZE, 1))
//				);
//
//				for (int i = 0; i < parts.length - 1; ++i) {
//					final int part = i;
//
//					c.execute(new Runnable() { @Override public void run() {
//						for (int j = parts[part]; j < parts[part + 1]; ++j) {
//							array[j] = factory.newInstance();
//						}
//					}});
//				}
//			}
//		}
//
//		return array;
//	}

	public static Object[] fill(final Object[] array, final Factory<?> factory) {
		for (int i = 0; i < array.length; ++i) {
			array[i] = factory.newInstance();
		}
		return array;
	}

}