rx.internal.util.atomic.LinkedQueueNode Maven / Gradle / Ivy
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/*
* 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.
*
* Original License: https://github.com/JCTools/JCTools/blob/master/LICENSE
* Original location: https://github.com/JCTools/JCTools/blob/master/jctools-core/src/main/java/org/jctools/queues/LinkedQueueNode.java
*/
package rx.internal.util.atomic;
import java.util.concurrent.atomic.AtomicReference;
public final class LinkedQueueNode extends AtomicReference> {
/** */
private static final long serialVersionUID = 2404266111789071508L;
private E value;
public LinkedQueueNode() {
// no initial value
}
public LinkedQueueNode(E val) {
spValue(val);
}
/**
* Gets the current value and nulls out the reference to it from this node.
*
* @return value
*/
public E getAndNullValue() {
E temp = lpValue();
spValue(null);
return temp;
}
public E lpValue() {
return value;
}
public void spValue(E newValue) {
value = newValue;
}
public void soNext(LinkedQueueNode n) {
lazySet(n);
}
public LinkedQueueNode lvNext() {
return get();
}
}