X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?p=controller.git;a=blobdiff_plain;f=opendaylight%2Fmd-sal%2Fsal-distributed-datastore%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fcluster%2Fdatastore%2FDataChangeListener.java;h=1dab285679474378b47c1c0a1c488ebf89d66fea;hp=ba09d0402530921667915eae11103302cfcfb2ea;hb=19ebaaaa8f6c4286f84379067599e48d20e44c57;hpb=863603710603742b27d8aa72b158c170dc3c0cbf

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/DataChangeListener.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/DataChangeListener.java
index ba09d04025..1dab285679 100644
--- a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/DataChangeListener.java
+++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/DataChangeListener.java
@@ -9,19 +9,65 @@
 package org.opendaylight.controller.cluster.datastore;
 
 import akka.actor.Props;
-import akka.actor.UntypedActor;
 import akka.japi.Creator;
+import com.google.common.base.Preconditions;
+import org.opendaylight.controller.cluster.datastore.messages.DataChanged;
+import org.opendaylight.controller.cluster.datastore.messages.DataChangedReply;
+import org.opendaylight.controller.cluster.datastore.messages.EnableNotification;
+import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeEvent;
+import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeListener;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
+import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
+import org.opendaylight.yangtools.yang.model.api.SchemaContext;
 
-public class DataChangeListener extends UntypedActor {
-    @Override public void onReceive(Object message) throws Exception {
-        throw new UnsupportedOperationException("onReceive");
+public class DataChangeListener extends AbstractUntypedActor {
+    private final AsyncDataChangeListener<YangInstanceIdentifier, NormalizedNode<?, ?>> listener;
+    private final SchemaContext schemaContext;
+    private final YangInstanceIdentifier pathId;
+    private boolean notificationsEnabled = false;
+
+    public DataChangeListener(SchemaContext schemaContext,
+                              AsyncDataChangeListener<YangInstanceIdentifier, NormalizedNode<?, ?>> listener, YangInstanceIdentifier pathId) {
+
+        this.schemaContext = Preconditions.checkNotNull(schemaContext, "schemaContext should not be null");
+        this.listener = Preconditions.checkNotNull(listener, "listener should not be null");
+        this.pathId  = Preconditions.checkNotNull(pathId, "pathId should not be null");
+    }
+
+    @Override public void handleReceive(Object message) throws Exception {
+        if(message instanceof DataChanged){
+            dataChanged(message);
+        } else if(message instanceof EnableNotification){
+            enableNotification((EnableNotification) message);
+        }
+    }
+
+    private void enableNotification(EnableNotification message) {
+        notificationsEnabled = message.isEnabled();
+    }
+
+    private void dataChanged(Object message) {
+
+        // Do nothing if notifications are not enabled
+        if(!notificationsEnabled){
+            return;
+        }
+
+        DataChanged reply = (DataChanged) message;
+        AsyncDataChangeEvent<YangInstanceIdentifier, NormalizedNode<?, ?>>
+            change = reply.getChange();
+        this.listener.onDataChanged(change);
+
+        if(getSender() != null){
+            getSender().tell(new DataChangedReply(), getSelf());
+        }
     }
 
-    public static Props props() {
+    public static Props props(final SchemaContext schemaContext, final AsyncDataChangeListener<YangInstanceIdentifier, NormalizedNode<?, ?>> listener, final YangInstanceIdentifier pathId) {
         return Props.create(new Creator<DataChangeListener>() {
             @Override
             public DataChangeListener create() throws Exception {
-                return new DataChangeListener();
+                return new DataChangeListener(schemaContext,listener,pathId );
             }
 
         });