java.util.concurrent.atomic.AtomicReferenceArray Maven / Gradle / Ivy
/**
* This file is part of ObjectFabric (http://objectfabric.org).
*
* ObjectFabric is licensed under the Apache License, Version 2.0, the terms
* of which may be found at http://www.apache.org/licenses/LICENSE-2.0.html.
*
* Copyright ObjectFabric Inc.
*
* This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
* WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
package java.util.concurrent.atomic;
public class AtomicReferenceArray {
private T[] _array;
@SuppressWarnings("unchecked")
public AtomicReferenceArray(int length) {
_array = (T[]) new Object[length];
}
public int length() {
return _array.length;
}
public T get(int index) {
return _array[index];
}
public void set(int index, T value) {
_array[index] = value;
}
public boolean compareAndSet(int index, T expect, T update) {
if (_array[index] != expect)
return false;
_array[index] = update;
return true;
}
}