package org.opendaylight.controller.mdsal;
+import "Common.proto";
+
option java_package = "org.opendaylight.controller.protobuff.messages.registration";
option java_outer_classname = "ListenerRegistrationMessages";
+/** used when a listener needs to be unregistered*/
message CloseDataChangeListenerRegistration {
}
-
+/** reply to the CloseDataChangeListenerRegistration request*/
message CloseDataChangeListenerRegistrationReply{
}
+/**
+ * When registering a listener at particular level of tree
+ * identified by instanceIdentifierPath.
+ * dataChangeListenerActorPath is path to actor that will
+ * receive the change event
+ * scope is the data change scope like BASE,ONE and SUBTREE
+ * defined in AsyncDataBroker.DataChangeScope
+ */
+
+message RegisterChangeListener{
+required InstanceIdentifier instanceIdentifierPath=1;
+required string dataChangeListenerActorPath=2;
+required int32 dataChangeScope=3;
+}
+/**
+* This is the reply for the RegisterChangeListener message
+* It contains the listenerRegistration actor path
+* that can be used to unregister the listener
+*/
+message RegisterChangeListenerReply{
+required string listenerRegistrationPath=1;
+
+}
+