1 files changed, 129 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/java-M1-20060522/java/sca/core/src/main/java/org/apache/tuscany/core/context/impl/AbstractLifecycle.java b/sca-java-1.x/tags/java-M1-20060522/java/sca/core/src/main/java/org/apache/tuscany/core/context/impl/AbstractLifecycle.java
new file mode 100644
index 0000000000..ddeebe361f
--- /dev/null
+++ b/sca-java-1.x/tags/java-M1-20060522/java/sca/core/src/main/java/org/apache/tuscany/core/context/impl/AbstractLifecycle.java
@@ -0,0 +1,129 @@
+/**
+ *
+ * Copyright 2006 The Apache Software Foundation or its licensors as applicable
+ *
+ *  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.tuscany.core.context.impl;
+
+import java.util.List;
+import java.util.Map;
+import java.util.concurrent.CopyOnWriteArrayList;
+import java.util.concurrent.ConcurrentHashMap;
+
+import org.apache.tuscany.core.context.RuntimeEventListener;
+import org.apache.tuscany.core.context.EventFilter;
+import org.apache.tuscany.core.context.Lifecycle;
+import org.apache.tuscany.core.context.filter.TrueFilter;
+import org.apache.tuscany.core.context.event.Event;
+
+/**
+ * @version $Rev$ $Date$
+ */
+public class AbstractLifecycle {
+    private static final EventFilter TRUE_FILTER = new TrueFilter();
+    protected String name;
+    protected int lifecycleState = Lifecycle.UNINITIALIZED;
+    // Listeners for context events
+    private Map<EventFilter, List<RuntimeEventListener>> listeners;
+
+    public AbstractLifecycle(String name) {
+        this.name = name;
+    }
+
+    public AbstractLifecycle() {
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public int getLifecycleState() {
+        return lifecycleState;
+    }
+
+    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;
+    }
+
+    public String toString() {
+        switch (lifecycleState) {
+        case (Lifecycle.CONFIG_ERROR):
+            return "Context [" + name + "] in state [CONFIG_ERROR]";
+        case (Lifecycle.ERROR):
+            return "Context [" + name + "] in state [ERROR]";
+        case (Lifecycle.INITIALIZING):
+            return "Context [" + name + "] in state [INITIALIZING]";
+        case (Lifecycle.INITIALIZED):
+            return "Context [" + name + "] in state [INITIALIZED]";
+        case (Lifecycle.RUNNING):
+            return "Context [" + name + "] in state [RUNNING]";
+        case (Lifecycle.STOPPING):
+            return "Context [" + name + "] in state [STOPPING]";
+        case (Lifecycle.STOPPED):
+            return "Context [" + name + "] in state [STOPPED]";
+        case (Lifecycle.UNINITIALIZED):
+            return "Context [" + name + "] in state [UNINITIALIZED]";
+        default:
+            return "Context [" + name + "] in state [UNKNOWN]";
+        }
+    }
+}