Implement event notification of resource event

When a resource is registered or unregistered, a resource event is notified

Change-Id: I40e66761966ef2126366424a14bb3193fc850e5a
diff --git a/core/api/src/main/java/org/onosproject/net/newresource/ResourceStore.java b/core/api/src/main/java/org/onosproject/net/newresource/ResourceStore.java
index 2cab9d4..7c67430 100644
--- a/core/api/src/main/java/org/onosproject/net/newresource/ResourceStore.java
+++ b/core/api/src/main/java/org/onosproject/net/newresource/ResourceStore.java
@@ -16,6 +16,7 @@
 package org.onosproject.net.newresource;
 
 import com.google.common.annotations.Beta;
+import org.onosproject.store.Store;
 
 import java.util.Collection;
 import java.util.List;
@@ -25,7 +26,7 @@
  * Service for storing resource and consumer information.
  */
 @Beta
-public interface ResourceStore {
+public interface ResourceStore extends Store<ResourceEvent, ResourceStoreDelegate> {
 
     /**
      * Registers the resources in transactional way.