/******************************************************************************* * Copyright 2011 André Rouél * * 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 net.sf.jacclog.util.queue; import java.util.concurrent.BlockingQueue; import net.sf.jacclog.util.observer.BlockingQueueObserver; public interface ObservableBlockingQueue<E> extends ObservableQueue<E>, BlockingQueue<E> { /** * Adds an observer. * * @param observer * Queue observer */ void addObserver(BlockingQueueObserver<E> observer); /** * Removes an observer. * * @param observer * Queue observer */ void removeObserver(BlockingQueueObserver<E> observer); }