/**
* Copyright (C) 2012 FuseSource, Inc.
* http://fusesource.com
*
* 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.fusesource.hawtdispatch.internal;
import org.fusesource.hawtdispatch.DispatchObject;
import org.fusesource.hawtdispatch.DispatchQueue;
/**
*
* @author <a href="http://hiramchirino.com">Hiram Chirino</a>
*/
abstract public class AbstractDispatchObject extends BaseSuspendable implements DispatchObject {
protected volatile HawtDispatchQueue targetQueue;
public void setTargetQueue(DispatchQueue next) {
assert next!=this : "You cannot not set the target queue to this";
if( next!=targetQueue ) {
// Don't see why someone would concurrently try to set the target..
// IF we wanted to protect against that we would need to use cas operations here..
DispatchQueue previous = this.targetQueue;
this.targetQueue = (HawtDispatchQueue) next;
}
}
public HawtDispatchQueue getTargetQueue() {
return this.targetQueue;
}
}