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=cee73445778ea473a61c50b66c61bcb92ca0878f;hp=ba09d0402530921667915eae11103302cfcfb2ea;hb=b00bee7547dbba0677347e991a8674f90752f6a2;hpb=0d78fea60c4818145e7bd8479427dfc04f0f8145

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..cee7344577 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
@@ -9,22 +9,95 @@
 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 edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
+import org.opendaylight.controller.cluster.common.actor.AbstractUntypedActor;
+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.binding.api.DataTreeChangeListener;
+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;
 
-public class DataChangeListener extends UntypedActor {
-    @Override public void onReceive(Object message) throws Exception {
-        throw new UnsupportedOperationException("onReceive");
+/**
+ * Actor for a DataChangeListener.
+ *
+ * @deprecated Replaced by {@link DataTreeChangeListener}
+ */
+@Deprecated
+public class DataChangeListener extends AbstractUntypedActor {
+    private final AsyncDataChangeListener<YangInstanceIdentifier, NormalizedNode<?, ?>> listener;
+    private boolean notificationsEnabled = false;
+
+    public DataChangeListener(AsyncDataChangeListener<YangInstanceIdentifier, NormalizedNode<?, ?>> listener) {
+        this.listener = Preconditions.checkNotNull(listener, "listener should not be null");
+    }
+
+    @Override
+    public void handleReceive(Object message) {
+        if (message instanceof DataChanged) {
+            dataChanged(message);
+        } else if (message instanceof EnableNotification) {
+            enableNotification((EnableNotification) message);
+        } else {
+            unknownMessage(message);
+        }
     }
 
-    public static Props props() {
-        return Props.create(new Creator<DataChangeListener>() {
-            @Override
-            public DataChangeListener create() throws Exception {
-                return new DataChangeListener();
-            }
+    private void enableNotification(EnableNotification message) {
+        notificationsEnabled = message.isEnabled();
+        LOG.debug("{} notifications for listener {}", notificationsEnabled ? "Enabled" : "Disabled",
+                listener);
+    }
+
+    @SuppressWarnings("checkstyle:IllegalCatch")
+    private void dataChanged(Object message) {
+
+        // Do nothing if notifications are not enabled
+        if (!notificationsEnabled) {
+            LOG.debug("Notifications not enabled for listener {} - dropping change notification", listener);
+            return;
+        }
+
+        DataChanged reply = (DataChanged) message;
+        AsyncDataChangeEvent<YangInstanceIdentifier, NormalizedNode<?, ?>> change = reply.getChange();
+
+        LOG.debug("Sending change notification {} to listener {}", change, listener);
+
+        try {
+            this.listener.onDataChanged(change);
+        } catch (RuntimeException e) {
+            LOG.error( String.format( "Error notifying listener %s", this.listener ), e );
+        }
+
+        if (isValidSender(getSender())) {
+            getSender().tell(DataChangedReply.INSTANCE, getSelf());
+        }
+    }
+
+    public static Props props(final AsyncDataChangeListener<YangInstanceIdentifier,
+                                                            NormalizedNode<?, ?>> listener) {
+        return Props.create(new DataChangeListenerCreator(listener));
+    }
+
+    private static class DataChangeListenerCreator implements Creator<DataChangeListener> {
+        private static final long serialVersionUID = 1L;
+
+        @SuppressFBWarnings(value = "SE_BAD_FIELD", justification = "This field is not Serializable but we don't "
+                + "create remote instances of this actor and thus don't need it to be Serializable.")
+        final AsyncDataChangeListener<YangInstanceIdentifier, NormalizedNode<?, ?>> listener;
 
-        });
+        DataChangeListenerCreator(
+                AsyncDataChangeListener<YangInstanceIdentifier, NormalizedNode<?, ?>> listener) {
+            this.listener = listener;
+        }
 
+        @Override
+        public DataChangeListener create() throws Exception {
+            return new DataChangeListener(listener);
+        }
     }
 }