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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 sample;
import java.util.Date;
import java.util.Timer;
import java.util.TimerTask;
import org.oasisopen.sca.annotation.Constructor;
import org.oasisopen.sca.annotation.Destroy;
import org.oasisopen.sca.annotation.EagerInit;
import org.oasisopen.sca.annotation.Init;
import org.oasisopen.sca.annotation.Property;
import org.oasisopen.sca.annotation.Reference;
import org.oasisopen.sca.annotation.Scope;
@EagerInit
@Scope("COMPOSITE")
public class Producer {
@Reference
protected EventProcessorProducerService eventProcessor;
private String eventName;
private long frequency;
private Timer timer = new Timer();
private Object lock = new Object();
@Constructor
public Producer(@Property(name = "eventName") String eventName, @Property(name = "frequency") long frequency) {
System.out.println("Producer: In Constructor with eventName=" + eventName + " and frequency=" + frequency);
this.eventName = eventName;
this.frequency = frequency;
}
@Init
public void start() {
System.out.println("Producer: In Init...");
timer.schedule(new TimerTask() {
@Override
public void run() {
synchronized (lock) {
eventProcessor.onEvent(Producer.this.eventName, "Event @ " + new Date());
}
}
}, 0L, this.frequency);
}
@Destroy
public void stop() {
synchronized (lock) {
timer.cancel();
}
timer = null;
}
}
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