diff options
Diffstat (limited to '')
-rw-r--r-- | sca-java-1.x/tags/1.5.1-RC3/modules/core/src/main/java/org/apache/tuscany/sca/core/event/BaseEventPublisher.java | 89 |
1 files changed, 0 insertions, 89 deletions
diff --git a/sca-java-1.x/tags/1.5.1-RC3/modules/core/src/main/java/org/apache/tuscany/sca/core/event/BaseEventPublisher.java b/sca-java-1.x/tags/1.5.1-RC3/modules/core/src/main/java/org/apache/tuscany/sca/core/event/BaseEventPublisher.java deleted file mode 100644 index 517e5579a4..0000000000 --- a/sca-java-1.x/tags/1.5.1-RC3/modules/core/src/main/java/org/apache/tuscany/sca/core/event/BaseEventPublisher.java +++ /dev/null @@ -1,89 +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 org.apache.tuscany.sca.core.event; - -import java.util.List; -import java.util.Map; -import java.util.concurrent.ConcurrentHashMap; -import java.util.concurrent.CopyOnWriteArrayList; - -import org.apache.tuscany.sca.event.Event; -import org.apache.tuscany.sca.event.EventFilter; -import org.apache.tuscany.sca.event.EventPublisher; -import org.apache.tuscany.sca.event.RuntimeEventListener; -import org.apache.tuscany.sca.event.TrueFilter; - -/** - * Base implementation of an <code>EventPublisher</code> - * - * @version $Rev$ $Date$ - */ -public abstract class BaseEventPublisher implements EventPublisher { - protected static final EventFilter TRUE_FILTER = new TrueFilter(); - protected Map<EventFilter, List<RuntimeEventListener>> listeners; - - public void addListener(RuntimeEventListener listener) { - addListener(TRUE_FILTER, listener); - } - - public void removeListener(RuntimeEventListener listener) { - assert listener != null : "Listener cannot be null"; - synchronized (getListeners()) { - for (List<RuntimeEventListener> currentList : getListeners().values()) { - for (RuntimeEventListener current : currentList) { - if (current == listener) { - currentList.remove(current); - return; - } - } - } - } - } - - public void addListener(EventFilter filter, RuntimeEventListener listener) { - assert listener != null : "Listener cannot be null"; - synchronized (getListeners()) { - List<RuntimeEventListener> list = getListeners().get(filter); - if (list == null) { - list = new CopyOnWriteArrayList<RuntimeEventListener>(); - listeners.put(filter, list); - } - list.add(listener); - } - } - - public void publish(Event event) { - assert event != null : "Event object was null"; - for (Map.Entry<EventFilter, List<RuntimeEventListener>> entry : getListeners().entrySet()) { - if (entry.getKey().match(event)) { - for (RuntimeEventListener listener : entry.getValue()) { - listener.onEvent(event); - } - } - } - } - - protected Map<EventFilter, List<RuntimeEventListener>> getListeners() { - if (listeners == null) { - listeners = new ConcurrentHashMap<EventFilter, List<RuntimeEventListener>>(); - } - return listeners; - } - -} |