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%2FAbstractDOMDataBroker.java;h=a5034cb03126ceedf1eeb69b4c2e518b3f43c8d1;hp=b705bd62a1e38ecebe82c76f269bbe79ffd44351;hb=9b2d6abcc63a9253571ed474419039b1fe1914c8;hpb=12f2638b091a56ffb61daa70f8f1511c77e655e1

diff --git a/opendaylight/md-sal/sal-dom-broker/src/main/java/org/opendaylight/controller/md/sal/dom/broker/impl/AbstractDOMDataBroker.java b/opendaylight/md-sal/sal-dom-broker/src/main/java/org/opendaylight/controller/md/sal/dom/broker/impl/AbstractDOMDataBroker.java
index b705bd62a1..a5034cb031 100644
--- a/opendaylight/md-sal/sal-dom-broker/src/main/java/org/opendaylight/controller/md/sal/dom/broker/impl/AbstractDOMDataBroker.java
+++ b/opendaylight/md-sal/sal-dom-broker/src/main/java/org/opendaylight/controller/md/sal/dom/broker/impl/AbstractDOMDataBroker.java
@@ -8,6 +8,8 @@
 package org.opendaylight.controller.md.sal.dom.broker.impl;
 
 import static com.google.common.base.Preconditions.checkState;
+import com.google.common.collect.ImmutableMap;
+import java.util.Collections;
 import java.util.EnumMap;
 import java.util.Map;
 import java.util.Map.Entry;
@@ -15,10 +17,15 @@ import java.util.concurrent.atomic.AtomicLong;
 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
 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.DOMDataBrokerExtension;
 import org.opendaylight.controller.md.sal.dom.api.DOMDataChangeListener;
+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.api.DOMTransactionChain;
 import org.opendaylight.controller.sal.core.spi.data.DOMStore;
 import org.opendaylight.controller.sal.core.spi.data.DOMStoreTransactionChain;
+import org.opendaylight.controller.sal.core.spi.data.DOMStoreTreeChangePublisher;
 import org.opendaylight.yangtools.concepts.ListenerRegistration;
 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
 import org.slf4j.Logger;
@@ -29,10 +36,33 @@ public abstract class AbstractDOMDataBroker extends AbstractDOMForwardedTransact
 
     private final AtomicLong txNum = new AtomicLong();
     private final AtomicLong chainNum = new AtomicLong();
+    private final Map<Class<? extends DOMDataBrokerExtension>, DOMDataBrokerExtension> extensions;
     private volatile AutoCloseable closeable;
 
     protected AbstractDOMDataBroker(final Map<LogicalDatastoreType, DOMStore> datastores) {
         super(datastores);
+
+        boolean treeChange = true;
+        for (DOMStore ds : datastores.values()) {
+            if (!(ds instanceof DOMStoreTreeChangePublisher)) {
+                treeChange = false;
+                break;
+            }
+        }
+
+        if (treeChange) {
+            extensions = ImmutableMap.<Class<? extends DOMDataBrokerExtension>, DOMDataBrokerExtension>of(DOMDataTreeChangeService.class, new DOMDataTreeChangeService() {
+                @Override
+                public <L extends DOMDataTreeChangeListener> ListenerRegistration<L> registerDataTreeChangeListener(final DOMDataTreeIdentifier treeId, final L listener) {
+                    DOMStore publisher = getTxFactories().get(treeId.getDatastoreType());
+                    checkState(publisher != null, "Requested logical data store is not available.");
+
+                    return ((DOMStoreTreeChangePublisher)publisher).registerTreeChangeListener(treeId.getRootIdentifier(), listener);
+                }
+            });
+        } else {
+            extensions = Collections.emptyMap();
+        }
     }
 
     public void setCloseable(final AutoCloseable closeable) {
@@ -66,6 +96,11 @@ public abstract class AbstractDOMDataBroker extends AbstractDOMForwardedTransact
         return potentialStore.registerChangeListener(path, listener, triggeringScope);
     }
 
+    @Override
+    public Map<Class<? extends DOMDataBrokerExtension>, DOMDataBrokerExtension> getSupportedExtensions() {
+        return extensions;
+    }
+
     @Override
     public DOMTransactionChain createTransactionChain(final TransactionChainListener listener) {
         checkNotClosed();