X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?a=blobdiff_plain;f=opendaylight%2Fmd-sal%2Fsal-distributed-datastore%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fcluster%2Fsharding%2FDistributedShardFrontend.java;h=31bc8b6949156662cecdc9a62f116458b589eaad;hb=7e62b4a59f9e43bcd0585845f1aeb55c44199f27;hp=8edfddedf49be40e3a51e584ab9cd905d03fb3ca;hpb=c1336f9b497bc6867536a24f629c3f0b002ccb2f;p=controller.git

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/sharding/DistributedShardFrontend.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/sharding/DistributedShardFrontend.java
index 8edfddedf4..31bc8b6949 100644
--- a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/sharding/DistributedShardFrontend.java
+++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/sharding/DistributedShardFrontend.java
@@ -17,7 +17,7 @@ import java.util.Map;
 import javax.annotation.Nonnull;
 import javax.annotation.concurrent.GuardedBy;
 import org.opendaylight.controller.cluster.databroker.actors.dds.DataStoreClient;
-import org.opendaylight.controller.cluster.datastore.DistributedDataStore;
+import org.opendaylight.controller.cluster.datastore.AbstractDataStore;
 import org.opendaylight.mdsal.dom.api.DOMDataTreeChangeListener;
 import org.opendaylight.mdsal.dom.api.DOMDataTreeIdentifier;
 import org.opendaylight.mdsal.dom.api.DOMDataTreeShard;
@@ -45,20 +45,23 @@ class DistributedShardFrontend implements ReadableWriteableDOMDataTreeShard {
     private final Map<DOMDataTreeIdentifier, ChildShardContext> childShards = new HashMap<>();
     @GuardedBy("this")
     private final List<ShardProxyProducer> producers = new ArrayList<>();
-    private final DistributedDataStore distributedDataStore;
 
-    DistributedShardFrontend(final DistributedDataStore distributedDataStore,
+    private final DistributedShardChangePublisher publisher;
+
+    DistributedShardFrontend(final AbstractDataStore distributedDataStore,
                              final DataStoreClient client,
                              final DOMDataTreeIdentifier shardRoot) {
-        this.distributedDataStore = Preconditions.checkNotNull(distributedDataStore);
         this.client = Preconditions.checkNotNull(client);
         this.shardRoot = Preconditions.checkNotNull(shardRoot);
+
+        publisher = new DistributedShardChangePublisher(client, Preconditions.checkNotNull(distributedDataStore),
+                shardRoot, childShards);
     }
 
     @Override
     public synchronized DOMDataTreeShardProducer createProducer(final Collection<DOMDataTreeIdentifier> paths) {
         for (final DOMDataTreeIdentifier prodPrefix : paths) {
-            Preconditions.checkArgument(paths.contains(prodPrefix), "Prefix %s is not contained under shard root",
+            Preconditions.checkArgument(shardRoot.contains(prodPrefix), "Prefix %s is not contained under shard root",
                     prodPrefix, paths);
         }
 
@@ -105,11 +108,8 @@ class DistributedShardFrontend implements ReadableWriteableDOMDataTreeShard {
                     continue;
                 }
 
-                SubshardProducerSpecification spec = affectedSubshards.get(maybeAffected.getPrefix());
-                if (spec == null) {
-                    spec = new SubshardProducerSpecification(maybeAffected);
-                    affectedSubshards.put(maybeAffected.getPrefix(), spec);
-                }
+                SubshardProducerSpecification spec = affectedSubshards.computeIfAbsent(maybeAffected.getPrefix(),
+                    k -> new SubshardProducerSpecification(maybeAffected));
                 spec.addPrefix(bindPath);
             }
         }
@@ -136,7 +136,6 @@ class DistributedShardFrontend implements ReadableWriteableDOMDataTreeShard {
     @Override
     public <L extends DOMDataTreeChangeListener> ListenerRegistration<L> registerTreeChangeListener(
             final YangInstanceIdentifier treeId, final L listener) {
-        throw new UnsupportedOperationException("Listener registration not supported");
+        return publisher.registerTreeChangeListener(treeId, listener);
     }
-
 }