多線程ExecutorService使用實例

 

 

public interface ListCollectionCallback<E extends Object> {
	public void call(List<E> collection);
}

 

 

實現Runnable，處理業務邏輯

 

public class ProcessDataFutureCallable implements Runnable {

	@Override
	public void run() {
		//處理業務邏輯
	}

}

  多線程異步處理業務，通過future同步返回

 

 

	final List<Future<?>> dataList = new ArrayList<Future<?>>();	
        final ExecutorService exePool = Executors.newFixedThreadPool(threadNum);
		ListCollectionCallback<String> callable = new ListCollectionCallback<String>() {
			@Override
			public void call(List<String> collection) {
				ProcessDataFutureCallable future=new ProcessDataFutureCallable();
				dataList.add(exePool.submit(future));
			}
		};
		//剝離業務調用callable
		CollectionUtils.splitCollectionHandle(callable);
		for (Future<?> future : dataList) {
			try {
				future.get();
			} catch (InterruptedException e) {
				logger.warn("線程異常中斷", e);
			} catch (ExecutionException e) {
				logger.warn("線程異常中斷", e);
			} catch (Exception e) {
				logger.warn("發生異常", e);
			}
		}
		exePool.shutdown();