X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?p=controller.git;a=blobdiff_plain;f=opendaylight%2Fmd-sal%2Fsal-dom-broker%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fmd%2Fsal%2Fdom%2Fbroker%2Fimpl%2FPingPongDataBroker.java;h=2ba59127652311fde9aafff04f446762010feb76;hp=715a13677af54e9796dfe076f4d7032cd361bc0a;hb=dc76c5f86830b541fe9c4f2a011e199486558779;hpb=dcf33df6f7666290340163a0f7c71a63430c827b

diff --git a/opendaylight/md-sal/sal-dom-broker/src/main/java/org/opendaylight/controller/md/sal/dom/broker/impl/PingPongDataBroker.java b/opendaylight/md-sal/sal-dom-broker/src/main/java/org/opendaylight/controller/md/sal/dom/broker/impl/PingPongDataBroker.java
index 715a13677a..2ba5912765 100644
--- a/opendaylight/md-sal/sal-dom-broker/src/main/java/org/opendaylight/controller/md/sal/dom/broker/impl/PingPongDataBroker.java
+++ b/opendaylight/md-sal/sal-dom-broker/src/main/java/org/opendaylight/controller/md/sal/dom/broker/impl/PingPongDataBroker.java
@@ -11,7 +11,11 @@ import com.google.common.base.Preconditions;
 import javax.annotation.Nonnull;
 import org.opendaylight.controller.md.sal.common.api.data.TransactionChainListener;
 import org.opendaylight.controller.md.sal.dom.api.DOMDataBroker;
+import org.opendaylight.controller.md.sal.dom.api.DOMDataTreeChangeListener;
+import org.opendaylight.controller.md.sal.dom.api.DOMDataTreeChangeService;
+import org.opendaylight.controller.md.sal.dom.api.DOMDataTreeIdentifier;
 import org.opendaylight.controller.md.sal.dom.spi.ForwardingDOMDataBroker;
+import org.opendaylight.yangtools.concepts.ListenerRegistration;
 
 /**
  * An implementation of a {@link DOMDataBroker}, which forwards most requests to a delegate.
@@ -20,7 +24,7 @@ import org.opendaylight.controller.md.sal.dom.spi.ForwardingDOMDataBroker;
  * guarantee transaction ordering between transactions allocated directly from the broker
  * and its transaction chains.
  */
-public final class PingPongDataBroker extends ForwardingDOMDataBroker implements AutoCloseable {
+public final class PingPongDataBroker extends ForwardingDOMDataBroker implements AutoCloseable, DOMDataTreeChangeService {
     private final DOMDataBroker delegate;
 
     /**
@@ -29,7 +33,7 @@ public final class PingPongDataBroker extends ForwardingDOMDataBroker implements
      *
      * @param delegate Backend broker, may not be null.
      */
-    public PingPongDataBroker(final @Nonnull DOMDataBroker delegate) {
+    public PingPongDataBroker(@Nonnull final DOMDataBroker delegate) {
         this.delegate = Preconditions.checkNotNull(delegate);
     }
 
@@ -45,6 +49,22 @@ public final class PingPongDataBroker extends ForwardingDOMDataBroker implements
 
     @Override
     public void close() {
-        // TODO Auto-generated method stub
+        // intentionally NOOP
+    }
+
+    @Override
+    public <L extends DOMDataTreeChangeListener> ListenerRegistration<L> registerDataTreeChangeListener(final DOMDataTreeIdentifier treeId, final L listener) {
+        final DOMDataTreeChangeService treeService =
+                (DOMDataTreeChangeService) delegate.getSupportedExtensions().get(DOMDataTreeChangeService.class);
+        if (treeService != null) {
+            return treeService.registerDataTreeChangeListener(treeId, listener);
+        }
+
+        throw new UnsupportedOperationException("Delegate " + delegate + " does not support required functionality");
+    }
+
+    @Override
+    public String toString() {
+        return "PingPongDataBroker backed by " + delegate;
     }
 }