org.jctools.queues.atomic.unpadded.MpscUnboundedAtomicUnpaddedArrayQueue Maven / Gradle / Ivy
/*
* 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.
*/
package org.jctools.queues.atomic.unpadded;
import java.util.concurrent.atomic.*;
import org.jctools.queues.*;
import static org.jctools.queues.atomic.AtomicQueueUtil.*;
import org.jctools.queues.atomic.LinkedQueueAtomicNode;
/**
* NOTE: This class was automatically generated by org.jctools.queues.atomic.unpadded.JavaParsingAtomicUnpaddedLinkedQueueGenerator
* which can found in the jctools-build module. The original source file is MpscUnboundedArrayQueue.java.
*
* An MPSC array queue which starts at initialCapacity and grows indefinitely in linked chunks of the initial size.
* The queue grows only when the current chunk is full and elements are not copied on
* resize, instead a link to the new chunk is stored in the old chunk for the consumer to follow.
*/
public class MpscUnboundedAtomicUnpaddedArrayQueue extends BaseMpscLinkedAtomicUnpaddedArrayQueue {
public MpscUnboundedAtomicUnpaddedArrayQueue(int chunkSize) {
super(chunkSize);
}
@Override
protected long availableInQueue(long pIndex, long cIndex) {
return Integer.MAX_VALUE;
}
@Override
public int capacity() {
return MessagePassingQueue.UNBOUNDED_CAPACITY;
}
@Override
public int drain(Consumer c) {
return drain(c, 4096);
}
@Override
public int fill(Supplier s) {
return MessagePassingQueueUtil.fillUnbounded(this, s);
}
@Override
protected int getNextBufferSize(AtomicReferenceArray buffer) {
return length(buffer);
}
@Override
protected long getCurrentBufferCapacity(long mask) {
return mask;
}
}