diff options
Diffstat (limited to 'sca-java-2.x/tags/2.0-Beta3-RC2/samples/learning-more/binding-websocket/pubsub-webapp/src/main/java/sample/EventProcessor.java')
-rw-r--r-- | sca-java-2.x/tags/2.0-Beta3-RC2/samples/learning-more/binding-websocket/pubsub-webapp/src/main/java/sample/EventProcessor.java | 104 |
1 files changed, 0 insertions, 104 deletions
diff --git a/sca-java-2.x/tags/2.0-Beta3-RC2/samples/learning-more/binding-websocket/pubsub-webapp/src/main/java/sample/EventProcessor.java b/sca-java-2.x/tags/2.0-Beta3-RC2/samples/learning-more/binding-websocket/pubsub-webapp/src/main/java/sample/EventProcessor.java deleted file mode 100644 index d289b361cf..0000000000 --- a/sca-java-2.x/tags/2.0-Beta3-RC2/samples/learning-more/binding-websocket/pubsub-webapp/src/main/java/sample/EventProcessor.java +++ /dev/null @@ -1,104 +0,0 @@ -/* - * 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 sample; - -import java.util.ArrayList; -import java.util.Date; -import java.util.List; -import java.util.UUID; -import java.util.concurrent.ConcurrentHashMap; -import java.util.concurrent.ConcurrentMap; - -import org.apache.tuscany.sca.binding.websocket.runtime.WebsocketBindingCallback; -import org.apache.tuscany.sca.binding.websocket.runtime.WebsocketStatus; -import org.oasisopen.sca.ComponentContext; -import org.oasisopen.sca.annotation.Context; -import org.oasisopen.sca.annotation.Destroy; -import org.oasisopen.sca.annotation.Scope; -import org.oasisopen.sca.annotation.Service; - -import com.google.common.collect.HashMultimap; -import com.google.common.collect.Multimap; -import com.google.common.collect.Multimaps; - -@Service({ EventProcessorConsumerService.class, EventProcessorProducerService.class }) -@Scope("COMPOSITE") -public class EventProcessor implements EventProcessorConsumerService, EventProcessorProducerService { - - @Context - protected ComponentContext componentContext; - - private ConcurrentMap<String, WebsocketBindingCallback> clients = new ConcurrentHashMap<String, WebsocketBindingCallback>(); - private Multimap<String, String> eventListeners = Multimaps.synchronizedMultimap(HashMultimap.<String, String> create()); - - @Override - public void onEvent(String eventName, String eventData) { - List<String> destinations = new ArrayList<String>(); - synchronized (eventListeners) { - destinations.addAll(eventListeners.get(eventName)); - } - Event event = new Event(); - event.setName(eventName); - event.setData(eventData); - for (String registrationId : destinations) { - WebsocketBindingCallback client = clients.get(registrationId); - if (client == null) { - // client has unregistered from this event - synchronized (eventListeners) { - eventListeners.remove(eventName, registrationId); - } - } else { - WebsocketStatus status = client.sendMessage(event); - if (status == WebsocketStatus.CLOSED) { - unregister(registrationId); - } - } - } - } - - @Override - public void register(String eventName) { - String registrationId = UUID.randomUUID().toString(); - WebsocketBindingCallback callback = componentContext.getRequestContext().getCallback(); - clients.put(registrationId, callback); - synchronized (eventListeners) { - eventListeners.put(eventName, registrationId); - } - Event event = new Event(); - event.setId(registrationId); - event.setName(eventName); - event.setData(new Date().toString()); - callback.sendMessage(event); - } - - @Override - public void unregister(String registrationId) { - clients.remove(registrationId); - // unregistration from eventListeners done during onEvent - } - - @Destroy - public void shutdown() { - clients.clear(); - eventListeners.clear(); - clients = null; - eventListeners = null; - } -} |