| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.uima.ducc.ws.server; |
| |
| import java.util.Enumeration; |
| import java.util.concurrent.ConcurrentHashMap; |
| |
| import org.apache.uima.ducc.transport.event.OrchestratorStateDuccEvent; |
| import org.apache.uima.ducc.ws.IListenerOrchestrator; |
| |
| public class DuccListeners { |
| |
| private static DuccListeners duccListeners = new DuccListeners(); |
| |
| private static ConcurrentHashMap<IListenerOrchestrator,IListenerOrchestrator> mapListenerOrchestrator = new ConcurrentHashMap<IListenerOrchestrator,IListenerOrchestrator>(); |
| |
| public static DuccListeners getInstance() { |
| return duccListeners; |
| } |
| |
| public void register(IListenerOrchestrator listenerOrchestrator) { |
| mapListenerOrchestrator.put(listenerOrchestrator, listenerOrchestrator); |
| } |
| |
| public void unregister(IListenerOrchestrator listenerOrchestrator) { |
| mapListenerOrchestrator.remove(listenerOrchestrator); |
| } |
| |
| public void update(OrchestratorStateDuccEvent duccEvent) { |
| Enumeration<IListenerOrchestrator> listeners = mapListenerOrchestrator.keys(); |
| while(listeners.hasMoreElements()) { |
| IListenerOrchestrator listener = listeners.nextElement(); |
| listener.update(duccEvent); |
| } |
| } |
| } |