Added an extra method to the interface.

git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@1022558 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/dependencymanager/core/src/main/java/org/apache/felix/dm/DependencyService.java b/dependencymanager/core/src/main/java/org/apache/felix/dm/DependencyService.java
index 4fb0c8e..c4f6ee3 100644
--- a/dependencymanager/core/src/main/java/org/apache/felix/dm/DependencyService.java
+++ b/dependencymanager/core/src/main/java/org/apache/felix/dm/DependencyService.java
@@ -46,6 +46,8 @@
     public boolean isRegistered(); // impl method
     public Object[] getCompositionInstances(); // impl method
     
+    public boolean isInstantiated();
+    
     /**
      * Can be called by the dependency whenever it wants to invoke callback methods.
      */