Add a way to find all the extension point registry instances

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@1078263 13f79535-47bb-0310-9956-ffa450edef68

2 files changed, 46 insertions, 1 deletions

diff --git a/sca-java-2.x/trunk/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/DefaultExtensionPointRegistry.java b/sca-java-2.x/trunk/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/DefaultExtensionPointRegistry.java
index e1f9ac6ddd..f750891fe2 100644
--- a/sca-java-2.x/trunk/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/DefaultExtensionPointRegistry.java
+++ b/sca-java-2.x/trunk/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/DefaultExtensionPointRegistry.java
@@ -170,7 +170,7 @@ public class DefaultExtensionPointRegistry implements ExtensionPointRegistry {
     }
 
     public synchronized void start() {
-        // Do nothing
+        ExtensionPointRegistryLocator.addExtensionPointRegistry(this);
     }
 
     public synchronized void stop() {
@@ -184,6 +184,7 @@ public class DefaultExtensionPointRegistry implements ExtensionPointRegistry {
         }
         ServiceHelper.stop(map.values());
         extensionPoints.clear();
+        ExtensionPointRegistryLocator.removeExtensionPointRegistry(null);
     }
 
     public ServiceDiscovery getServiceDiscovery() {
diff --git a/sca-java-2.x/trunk/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/ExtensionPointRegistryLocator.java b/sca-java-2.x/trunk/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/ExtensionPointRegistryLocator.java
new file mode 100644
index 0000000000..8027f0ac50
--- /dev/null
+++ b/sca-java-2.x/trunk/modules/extensibility/src/main/java/org/apache/tuscany/sca/core/ExtensionPointRegistryLocator.java
@@ -0,0 +1,44 @@
+/*
+ * 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;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class ExtensionPointRegistryLocator {
+    
+    private static List<ExtensionPointRegistry> extensionPointRegistries = new ArrayList<ExtensionPointRegistry>();
+
+    public static ExtensionPointRegistry getExtensionPointRegistry() {
+        return extensionPointRegistries.size() > 0 ? extensionPointRegistries.get(0) : null;
+    }
+    
+    public static List<ExtensionPointRegistry> getExtensionPointRegistries() {
+        return extensionPointRegistries;
+    }
+
+    public static void addExtensionPointRegistry(ExtensionPointRegistry extensionPointRegistry) {
+        extensionPointRegistries.add(extensionPointRegistry);
+    }
+
+    public static void removeExtensionPointRegistry(ExtensionPointRegistry extensionPointRegistry) {
+        extensionPointRegistries.remove(extensionPointRegistry);
+    }
+}