import java util concurrent BlockingQueue import java util concurrent

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import java.util.concurrent.BlockingQueue;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.LinkedBlockingQueue;
public class Main {
/**
* @param args
*/
public static void main(String[] args) {
final BlockingQueue<MyJob> queue = new LinkedBlockingQueue<MyJob>();
final ExecutorService produceExecutorService = Executors.newCachedThreadPool();
final ExecutorService consumeExecutorService = Executors.newCachedThreadPool();
final JobService jobService = new JobService() {
@Override
public void submit(final MyJob job) {
produceExecutorService.submit(new Runnable() {
@Override
public void run() {
try {
queue.put(job);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
});
}
};
final JobListener listener = new JobListener() {
@Override
public void onCompleted(MyJob job) {
System.out.printf("Notified job with value %s\n", job.getValue());
if (job.getValue() < 10) {
jobService.submit(job);
}
}
};
jobService.submit(new MyJob(1));
new Thread(new Runnable() {
@Override
public void run() {
while(true) {
try {
final MyJob job = queue.take();
consumeExecutorService.submit(new Runnable() {
@Override
public void run() {
job.setValue(job.getValue() + 1);
listener.onCompleted(job);
}
});
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
}).start();
}
private static interface JobListener {
void onCompleted(MyJob job);
}
private static interface JobService {
void submit(MyJob job);
}
private static class MyJob {
private volatile int value;
public MyJob(int value) {
this.value = value;
}
public int getValue() {
return value;
}
public void setValue(int value) {
this.value = value;
}
}
}