당신을 도와줍니다.
public class PriorityExecutor extends ThreadPoolExecutor {
public PriorityExecutor(int corePoolSize, int maximumPoolSize,
long keepAliveTime, TimeUnit unit, BlockingQueue<Runnable> workQueue) {
super(corePoolSize, maximumPoolSize, keepAliveTime, unit, workQueue);
}
//Utitlity method to create thread pool easily
public static ExecutorService newFixedThreadPool(int nThreads) {
return new PriorityExecutor(nThreads, nThreads, 0L,
TimeUnit.MILLISECONDS, new PriorityBlockingQueue<Runnable>());
}
//Submit with New comparable task
public Future<?> submit(Runnable task, int priority) {
return super.submit(new ComparableFutureTask(task, null, priority));
}
//execute with New comparable task
public void execute(Runnable command, int priority) {
super.execute(new ComparableFutureTask(command, null, priority));
}
}
우선 순위를 비교하려면 ComparableFutureTask
을 정의하십시오.
class ComparableFutureTask<T> extends FutureTask<T>
implements
Comparable<ComparableFutureTask<T>> {
volatile int priority = 0;
public ComparableFutureTask(Runnable runnable, T result, int priority) {
super(runnable, result);
this.priority = priority;
}
public ComparableFutureTask(Callable<T> callable, int priority) {
super(callable);
this.priority = priority;
}
@Override
public int compareTo(ComparableFutureTask<T> o) {
return Integer.valueOf(priority).compareTo(o.priority);
}
}
+1을 사용하면이 기능을 향상시킬 수 있습니다. – Tudor
'newTaskFor'가 ComparableFutureTask를 FutureTask로 래핑 할 것이기 때문에 이것은 작동하지 않습니다. 또한 두 개의 newTaskFor 메소드를 오버라이드해야한다. – assylias
단순한 예를 보려면 [this post] (http://stackoverflow.com/a/16834473/829571)를 참조하십시오. – assylias