ArraySeqList.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.util;
import static java.util.Objects.requireNonNull;
import java.util.AbstractList;
import java.util.RandomAccess;
/**
* @author <a href="mailto:franz.wilhelmstoetter@gmx.at">Franz Wilhelmstötter</a>
* @since 1.0
* @version 1.0 — <em>$Date: 2014-02-15 $</em>
*/
class ArraySeqList<T> extends AbstractList<T>
implements RandomAccess
{
final ArraySeq<T> _array;
public ArraySeqList(final ArraySeq<T> array) {
_array = requireNonNull(array, "ArrayBase");
}
@Override
public T get(final int index) {
return _array.get(index);
}
@Override
public int size() {
return _array.length();
}
@Override
public int indexOf(final Object element) {
return _array.indexOf(element);
}
@Override
public boolean contains(final Object element) {
return indexOf(element) != -1;
}
@Override
public Object[] toArray() {
return _array.toArray();
}
@SuppressWarnings("unchecked")
@Override
public <E> E[] toArray(final E[] array) {
if (array.length < _array.length()) {
final E[] copy = (E[])java.lang.reflect.Array.newInstance(
array.getClass().getComponentType(), _array.length()
);
for (int i = 0; i < _array.length(); ++i) {
copy[i] = (E)_array.get(i);
}
return copy;
}
System.arraycopy(_array._array, _array._start, array, 0, array.length);
return array;
}
}