/*
* Copyright 2015 Evgeny Dolganov (evgenij.dolganov@gmail.com).
*
* 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 och.util.concurrent;
import static och.util.Util.*;
import java.util.Collection;
import java.util.concurrent.Future;
import org.apache.commons.logging.Log;
public interface AsyncListener {
public static Log listenerLog = getLog(AsyncListener.class);
public static void fireAsyncEvent(Collection<AsyncListener> listeners, Future<?> future) {
if(isEmpty(listeners)) return;
for (AsyncListener l : listeners) fireAsyncEvent(l, future);
}
public static void fireAsyncEvent(AsyncListener l, Future<?> future) {
if(l == null) return;
try {
l.onFutureEvent(future);
}catch (Throwable t) {
listenerLog.error("listener error", t);
}
}
void onFutureEvent(Future<?> future);
}