diff --git a/rse/plugins/org.eclipse.dstore.core/src/org/eclipse/dstore/core/model/DataStore.java b/rse/plugins/org.eclipse.dstore.core/src/org/eclipse/dstore/core/model/DataStore.java
index 7ad75b5a384..74dd5813a61 100644
--- a/rse/plugins/org.eclipse.dstore.core/src/org/eclipse/dstore/core/model/DataStore.java
+++ b/rse/plugins/org.eclipse.dstore.core/src/org/eclipse/dstore/core/model/DataStore.java
@@ -46,6 +46,7 @@ import org.eclipse.dstore.core.java.IClassByteStreamHandler;
 import org.eclipse.dstore.core.java.IRemoteClassInstance;
 import org.eclipse.dstore.core.java.RemoteClassLoader;
 import org.eclipse.dstore.core.util.StringCompare;
+import org.eclipse.dstore.extra.IDomainNotifier;
 import org.eclipse.dstore.internal.core.model.DefaultByteConverter;
 import org.eclipse.dstore.internal.core.util.DataElementRemover;
 import org.eclipse.dstore.internal.core.util.ExternalLoader;
@@ -763,7 +764,7 @@ public final class DataStore
 	 *
 	 * @return the domain notifier
 	 */
-	public DomainNotifier getDomainNotifier()
+	public IDomainNotifier getDomainNotifier()
 	{
 		return _domainNotifier;
 	}
diff --git a/rse/plugins/org.eclipse.dstore.extra/src/org/eclipse/dstore/extra/IDomainNotifier.java b/rse/plugins/org.eclipse.dstore.extra/src/org/eclipse/dstore/extra/IDomainNotifier.java
index 3524df096fa..5ee2b8254d3 100644
--- a/rse/plugins/org.eclipse.dstore.extra/src/org/eclipse/dstore/extra/IDomainNotifier.java
+++ b/rse/plugins/org.eclipse.dstore.extra/src/org/eclipse/dstore/extra/IDomainNotifier.java
@@ -18,6 +18,10 @@
 package org.eclipse.dstore.extra;
 
 
+/**
+ * For DataStore domain notification
+ *
+ */
 public interface IDomainNotifier
 {
 
@@ -26,4 +30,7 @@ public interface IDomainNotifier
   public void fireDomainChanged(DomainEvent event);
   public boolean hasDomainListener(IDomainListener listener);
   public void removeDomainListener(IDomainListener listener);
+  
+	public void enable(boolean on);
+	public boolean isEnabled();
 }