co.paralleluniverse.strands.queues.SingleConsumerLinkedIntQueue Maven / Gradle / Ivy
/*
* Quasar: lightweight threads and actors for the JVM.
* Copyright (c) 2013-2015, Parallel Universe Software Co. All rights reserved.
*
* This program and the accompanying materials are dual-licensed under
* either the terms of the Eclipse Public License v1.0 as published by
* the Eclipse Foundation
*
* or (per the licensee's choosing)
*
* under the terms of the GNU Lesser General Public License version 3.0
* as published by the Free Software Foundation.
*/
package co.paralleluniverse.strands.queues;
/**
*
* @author pron
*/
public class SingleConsumerLinkedIntQueue extends SingleConsumerLinkedWordQueue implements BasicSingleConsumerIntQueue {
@Override
public boolean enq(int item) {
return enqRaw(item);
}
@Override
public boolean enq(Integer item) {
if (item == null)
throw new IllegalArgumentException("null values not allowed");
return enq(item.intValue());
}
int intValue(Node node) {
return rawValue(node);
}
@Override
Integer value(Node node) {
return intValue(node);
}
@Override
public int pollInt() {
final Node n = pk();
final int val = intValue(n);
deq(n);
return val;
}
@Override
public IntQueueIterator iterator() {
return new IntLinkedQueueIterator();
}
private class IntLinkedQueueIterator extends LinkedQueueIterator implements IntQueueIterator {
@Override
public int intValue() {
return SingleConsumerLinkedIntQueue.this.intValue(n);
}
@Override
public int intNext() {
n = succ(n);
return intValue();
}
}
}