// GPars - Groovy Parallel Systems
//
// Copyright © 2008-2010, 2013 The original author or authors
//
// 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 groovyx.gpars.actor;
import groovy.lang.Closure;
/**
* An actor representing a reactor. When it receives a message, the supplied block of code is run with the message
* as a parameter and the result of the code is send in reply.
* <pre>
* final def doubler = reactor {message ->
* 2 * message
* }
* def result = doubler.sendAndWait(10)
* </pre>
*
* @author Vaclav Pech, Alex Tkachman
* Date: Jun 26, 2009
*/
public class ReactiveActor extends AbstractLoopingActor {
private static final long serialVersionUID = 2709208258556647528L;
public ReactiveActor(final Closure body) {
final Closure cloned = (Closure) body.clone();
cloned.setDelegate(this);
cloned.setResolveStrategy(Closure.DELEGATE_FIRST);
initialize(new Closure(this) {
private static final long serialVersionUID = 4092639210342260198L;
@Override
public Object call(final Object arguments) {
ReactiveActor.this.replyIfExists(cloned.call(new Object[]{arguments}));
return null;
}
});
}
}