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%2Fdatastore%2FDistributedDataStore.java;h=5195a2f918c6248463e26663b953378948c8e0dc;hb=8de365b86ee7b65ee201166be85142b27ffd7295;hp=1bc554f3ed653c3a50012044178e4a247489785a;hpb=8eabfd813c5d19bbe9c2ab01ccbff32eeec58419;p=controller.git

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/DistributedDataStore.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/DistributedDataStore.java
index 1bc554f3ed..5195a2f918 100644
--- a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/DistributedDataStore.java
+++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/DistributedDataStore.java
@@ -1,5 +1,24 @@
+/*
+ * Copyright (c) 2014 Cisco Systems, Inc. and others.  All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+
 package org.opendaylight.controller.cluster.datastore;
 
+import akka.actor.ActorRef;
+import akka.actor.ActorSystem;
+import akka.dispatch.OnComplete;
+import akka.util.Timeout;
+import com.google.common.base.Optional;
+import com.google.common.base.Preconditions;
+import org.opendaylight.controller.cluster.datastore.identifiers.ShardManagerIdentifier;
+import org.opendaylight.controller.cluster.datastore.messages.RegisterChangeListener;
+import org.opendaylight.controller.cluster.datastore.messages.RegisterChangeListenerReply;
+import org.opendaylight.controller.cluster.datastore.shardstrategy.ShardStrategyFactory;
+import org.opendaylight.controller.cluster.datastore.utils.ActorContext;
 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataBroker;
 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeListener;
 import org.opendaylight.controller.sal.core.spi.data.DOMStore;
@@ -8,36 +27,123 @@ import org.opendaylight.controller.sal.core.spi.data.DOMStoreReadWriteTransactio
 import org.opendaylight.controller.sal.core.spi.data.DOMStoreTransactionChain;
 import org.opendaylight.controller.sal.core.spi.data.DOMStoreWriteTransaction;
 import org.opendaylight.yangtools.concepts.ListenerRegistration;
-import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier;
+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;
+import org.opendaylight.yangtools.yang.model.api.SchemaContextListener;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import scala.concurrent.Future;
 
 /**
  *
  */
-public class DistributedDataStore implements DOMStore {
+public class DistributedDataStore implements DOMStore, SchemaContextListener, AutoCloseable {
+
+    private static final Logger LOG = LoggerFactory.getLogger(DistributedDataStore.class);
+    public static final int REGISTER_DATA_CHANGE_LISTENER_TIMEOUT_FACTOR = 24; // 24 times the usual operation timeout
+
+    private final ActorContext actorContext;
+
+    public DistributedDataStore(ActorSystem actorSystem, String type, ClusterWrapper cluster,
+            Configuration configuration, DatastoreContext datastoreContext) {
+        Preconditions.checkNotNull(actorSystem, "actorSystem should not be null");
+        Preconditions.checkNotNull(type, "type should not be null");
+        Preconditions.checkNotNull(cluster, "cluster should not be null");
+        Preconditions.checkNotNull(configuration, "configuration should not be null");
+        Preconditions.checkNotNull(datastoreContext, "datastoreContext should not be null");
+
+        String shardManagerId = ShardManagerIdentifier.builder().type(type).build().toString();
+
+        LOG.info("Creating ShardManager : {}", shardManagerId);
 
+        actorContext = new ActorContext(actorSystem, actorSystem.actorOf(
+                ShardManager.props(type, cluster, configuration, datastoreContext)
+                    .withMailbox(ActorContext.MAILBOX), shardManagerId ), cluster, configuration);
+
+        actorContext.setOperationTimeout(datastoreContext.getOperationTimeoutInSeconds());
+    }
+
+    public DistributedDataStore(ActorContext actorContext) {
+        this.actorContext = Preconditions.checkNotNull(actorContext, "actorContext should not be null");
+    }
+
+    @SuppressWarnings("unchecked")
     @Override
-    public <L extends AsyncDataChangeListener<InstanceIdentifier, NormalizedNode<?, ?>>> ListenerRegistration<L> registerChangeListener(InstanceIdentifier path, L listener, AsyncDataBroker.DataChangeScope scope) {
-        return new ListenerRegistrationProxy();
+    public <L extends AsyncDataChangeListener<YangInstanceIdentifier, NormalizedNode<?, ?>>>
+                                              ListenerRegistration<L> registerChangeListener(
+        final YangInstanceIdentifier path, L listener,
+        AsyncDataBroker.DataChangeScope scope) {
+
+        Preconditions.checkNotNull(path, "path should not be null");
+        Preconditions.checkNotNull(listener, "listener should not be null");
+
+        LOG.debug("Registering listener: {} for path: {} scope: {}", listener, path, scope);
+
+        String shardName = ShardStrategyFactory.getStrategy(path).findShard(path);
+
+        Optional<ActorRef> shard = actorContext.findLocalShard(shardName);
+
+        //if shard is NOT local
+        if (!shard.isPresent()) {
+            LOG.debug("No local shard for shardName {} was found so returning a noop registration", shardName);
+            return new NoOpDataChangeListenerRegistration(listener);
+        }
+        //if shard is local
+        ActorRef dataChangeListenerActor = actorContext.getActorSystem().actorOf(DataChangeListener.props(listener));
+        Future future = actorContext.executeOperationAsync(shard.get(),
+                new RegisterChangeListener(path, dataChangeListenerActor.path(), scope),
+                new Timeout(actorContext.getOperationDuration().$times(REGISTER_DATA_CHANGE_LISTENER_TIMEOUT_FACTOR)));
+
+        final DataChangeListenerRegistrationProxy listenerRegistrationProxy =
+                new DataChangeListenerRegistrationProxy(listener, dataChangeListenerActor);
+
+        future.onComplete(new OnComplete() {
+
+            @Override
+            public void onComplete(Throwable failure, Object result)
+                    throws Throwable {
+                if (failure != null) {
+                    LOG.error("Failed to register listener at path " + path.toString(), failure);
+                    return;
+                }
+                RegisterChangeListenerReply reply = (RegisterChangeListenerReply) result;
+                listenerRegistrationProxy.setListenerRegistrationActor(actorContext
+                        .actorSelection(reply.getListenerRegistrationPath()));
+            }
+        }, actorContext.getActorSystem().dispatcher());
+
+        return listenerRegistrationProxy;
+
     }
 
     @Override
     public DOMStoreTransactionChain createTransactionChain() {
-        return new TransactionChainProxy();
+        return new TransactionChainProxy(actorContext);
     }
 
     @Override
     public DOMStoreReadTransaction newReadOnlyTransaction() {
-        return new TransactionProxy();
+        return new TransactionProxy(actorContext, TransactionProxy.TransactionType.READ_ONLY);
     }
 
     @Override
     public DOMStoreWriteTransaction newWriteOnlyTransaction() {
-        return new TransactionProxy();
+        return new TransactionProxy(actorContext, TransactionProxy.TransactionType.WRITE_ONLY);
     }
 
     @Override
     public DOMStoreReadWriteTransaction newReadWriteTransaction() {
-        return new TransactionProxy();
+        return new TransactionProxy(actorContext, TransactionProxy.TransactionType.READ_WRITE);
+    }
+
+    @Override
+    public void onGlobalContextUpdated(SchemaContext schemaContext) {
+        actorContext.setSchemaContext(schemaContext);
+    }
+
+    @Override
+    public void close() throws Exception {
+        actorContext.shutdown();
     }
 }