co.paralleluniverse.strands.queues.SingleConsumerLinkedArrayWordQueue 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
*/
abstract class SingleConsumerLinkedArrayWordQueue extends SingleConsumerLinkedArrayPrimitiveQueue {
public static final int BLOCK_SIZE = 8;
private static final long MASK = 0xFFFFFFFF;
@Override
int blockSize() {
return BLOCK_SIZE;
}
@Override
void enqRaw(Node n, int i, long item) {
((WordNode) n).array[i] = (int) item;
}
@Override
long getRaw(Node n, int i) {
return rawValue(n, i) & MASK;
}
int rawValue(Node n, int i) {
return ((WordNode) n).array[i];
}
@Override
Node newNode() {
return new WordNode();
}
private static class WordNode extends PrimitiveNode {
final int[] array = new int[BLOCK_SIZE];
}
}