| /* |
| * 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 org.apache.karaf.cellar.core.event; |
| |
| import java.util.concurrent.ExecutorService; |
| import java.util.concurrent.Executors; |
| |
| /** |
| * Event handler service registry dispatcher. |
| */ |
| public class EventHandlerRegistryDispatcher<E extends Event> implements EventDispatcher<E> { |
| |
| private ExecutorService threadPool; |
| private EventHandlerRegistry handlerRegistry; |
| |
| public void init() { |
| if (threadPool == null) { |
| threadPool = Executors.newCachedThreadPool(); |
| } |
| } |
| |
| /** |
| * Dispatch a cluster {@code Event} to the appropriate cluster {@code EventHandler}. |
| * |
| * @param event the cluster event to dispatch. |
| */ |
| public void dispatch(E event) { |
| EventDispatchTask task = new EventDispatchTask(event, handlerRegistry); |
| threadPool.execute(task); |
| } |
| |
| public EventHandlerRegistry getHandlerRegistry() { |
| return handlerRegistry; |
| } |
| |
| public void setHandlerRegistry(EventHandlerRegistry handlerRegistry) { |
| this.handlerRegistry = handlerRegistry; |
| } |
| |
| public ExecutorService getThreadPool() { |
| return threadPool; |
| } |
| |
| public void setThreadPool(ExecutorService threadPool) { |
| this.threadPool = threadPool; |
| } |
| |
| } |