Add a LifeCycleListener interface so that extension points or extension can be called back upon the start/stop of the extension point registry

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@785699 13f79535-47bb-0310-9956-ffa450edef68

4 files changed, 11 insertions, 17 deletions

diff --git a/java/sca/modules/host-rmi/src/main/java/org/apache/tuscany/sca/host/rmi/DefaultRMIHost.java b/java/sca/modules/host-rmi/src/main/java/org/apache/tuscany/sca/host/rmi/DefaultRMIHost.java
index f98ce018e5..99a6a5fab7 100644
--- a/java/sca/modules/host-rmi/src/main/java/org/apache/tuscany/sca/host/rmi/DefaultRMIHost.java
+++ b/java/sca/modules/host-rmi/src/main/java/org/apache/tuscany/sca/host/rmi/DefaultRMIHost.java
@@ -155,7 +155,7 @@ public class DefaultRMIHost implements RMIHost {
         }
     }
 
-    public void destroy() {
+    public void stop() {
         for (Registry registry : rmiRegistries.values()) {
             try {
                 UnicastRemoteObject.unexportObject(registry, false);
diff --git a/java/sca/modules/host-rmi/src/main/java/org/apache/tuscany/sca/host/rmi/DefaultRMIHostExtensionPoint.java b/java/sca/modules/host-rmi/src/main/java/org/apache/tuscany/sca/host/rmi/DefaultRMIHostExtensionPoint.java
index edfda79dd0..b7435a1f84 100644
--- a/java/sca/modules/host-rmi/src/main/java/org/apache/tuscany/sca/host/rmi/DefaultRMIHostExtensionPoint.java
+++ b/java/sca/modules/host-rmi/src/main/java/org/apache/tuscany/sca/host/rmi/DefaultRMIHostExtensionPoint.java
@@ -22,15 +22,14 @@ package org.apache.tuscany.sca.host.rmi;
 import java.util.ArrayList;
 import java.util.List;
 
-import org.apache.tuscany.sca.core.ExtensionPointRegistry;
-import org.apache.tuscany.sca.core.ModuleActivator;
+import org.apache.tuscany.sca.core.LifeCycleListener;
 
 /**
  * Default implementation of an RMI host extension point.
  *
  * @version $Rev$ $Date$
  */
-public class DefaultRMIHostExtensionPoint implements RMIHostExtensionPoint, ModuleActivator {
+public class DefaultRMIHostExtensionPoint implements RMIHostExtensionPoint, LifeCycleListener {
 
     private List<RMIHost> rmiHosts = new ArrayList<RMIHost>();
 
@@ -40,6 +39,9 @@ public class DefaultRMIHostExtensionPoint implements RMIHostExtensionPoint, Modu
 
     public void addRMIHost(RMIHost rmiHost) {
         rmiHosts.add(rmiHost);
+        if(rmiHost instanceof LifeCycleListener) {
+            ((LifeCycleListener) rmiHost).start();
+        }
     }
 
     public void removeRMIHost(RMIHost rmiHost) {
@@ -50,12 +52,14 @@ public class DefaultRMIHostExtensionPoint implements RMIHostExtensionPoint, Modu
         return rmiHosts;
     }
 
-    public void start(ExtensionPointRegistry registry) {
+    public void start() {
     }
 
-    public void stop(ExtensionPointRegistry registry) {
+    public void stop() {
         for (RMIHost host : rmiHosts) {
-            host.destroy();
+            if(host instanceof LifeCycleListener) {
+                ((LifeCycleListener) host).stop();
+            }
         }
     }
 }
diff --git a/java/sca/modules/host-rmi/src/main/java/org/apache/tuscany/sca/host/rmi/ExtensibleRMIHost.java b/java/sca/modules/host-rmi/src/main/java/org/apache/tuscany/sca/host/rmi/ExtensibleRMIHost.java
index e2fad5d9b5..2f3e2311ed 100644
--- a/java/sca/modules/host-rmi/src/main/java/org/apache/tuscany/sca/host/rmi/ExtensibleRMIHost.java
+++ b/java/sca/modules/host-rmi/src/main/java/org/apache/tuscany/sca/host/rmi/ExtensibleRMIHost.java
@@ -59,9 +59,4 @@ public class ExtensibleRMIHost implements RMIHost {
     protected RMIHost getDefaultHost() {
         return rmiHosts.getRMIHosts().get(0);
     }
-
-    public void destroy() {
-        getDefaultHost().destroy();
-    }
-
 }
diff --git a/java/sca/modules/host-rmi/src/main/java/org/apache/tuscany/sca/host/rmi/RMIHost.java b/java/sca/modules/host-rmi/src/main/java/org/apache/tuscany/sca/host/rmi/RMIHost.java
index b85cc2fc2a..bf8659c254 100644
--- a/java/sca/modules/host-rmi/src/main/java/org/apache/tuscany/sca/host/rmi/RMIHost.java
+++ b/java/sca/modules/host-rmi/src/main/java/org/apache/tuscany/sca/host/rmi/RMIHost.java
@@ -57,9 +57,4 @@ public interface RMIHost {
      * @throws RMIHostRuntimeException
      */
     Remote findService(String uri) throws RMIHostException, RMIHostRuntimeException;
-
-    /**
-     * Destroy the host. It can be used to unbind the RMI registry
-     */
-    void destroy();
 }