/*
 * 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.util;

/**
 * @author <a href="mailto:franz.wilhelmstoetter@gmx.at">Franz Wilhelmstötter</a>
 * @since 1.0
 * @version 2.0 &mdash; <em>$Date: 2013-09-08 $</em>
 */
final class ArrayRef implements Cloneable {
	Object[] data;
	final int length;

	private boolean _sealed = false;

	ArrayRef(final Object[] data) {
		this.data = data;
		length = data.length;
	}

	ArrayRef(final int length) {
		data = new Object[length];
		this.length = length;
	}

	final void cloneIfSealed() {
		if (_sealed) {
			data = data.clone();
			_sealed = false;
		}
	}

	final ArrayRef seal() {
		_sealed = true;
		return this;
	}

}

/*
 * 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.util;

/**
 * @author <a href="mailto:franz.wilhelmstoetter@gmx.at">Franz Wilhelmstötter</a>
 * @since 1.0
 * @version 2.0 &mdash; <em>$Date: 2014-04-09 $</em>
 */
final class ArrayRef implements Cloneable {
	Object[] data;
	final int length;

	private boolean _sealed = false;

	ArrayRef(final Object[] data) {
		this.data = data;
		length = data.length;
	}

	ArrayRef(final int length) {
		data = new Object[length];
		this.length = length;
	}

	void cloneIfSealed() {
		if (_sealed) {
			data = data.clone();
			_sealed = false;
		}
	}

	ArrayRef seal() {
		_sealed = true;
		return this;
	}

}

Remove unnecessary final qualifier