Merge "Bug 1637: Change Rpc actor calls to async"
[controller.git] / opendaylight / md-sal / sal-distributed-datastore / src / main / java / org / opendaylight / controller / cluster / datastore / DistributedDataStore.java
index 1bc554f3ed653c3a50012044178e4a247489785a..0a137e07df43a1bb7ca2fb3e854d7f63adfd46a3 100644 (file)
+/*
+ * 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 java.util.concurrent.TimeUnit;
+
+import akka.actor.ActorRef;
+import akka.actor.ActorSystem;
+
+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.md.sal.dom.store.impl.InMemoryDOMDataStoreConfigProperties;
 import org.opendaylight.controller.sal.core.spi.data.DOMStore;
 import org.opendaylight.controller.sal.core.spi.data.DOMStoreReadTransaction;
 import org.opendaylight.controller.sal.core.spi.data.DOMStoreReadWriteTransaction;
 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.duration.Duration;
 
 /**
  *
  */
-public class DistributedDataStore implements DOMStore {
+public class DistributedDataStore implements DOMStore, SchemaContextListener, AutoCloseable {
+
+    private static final Logger LOG = LoggerFactory.getLogger(DistributedDataStore.class);
+
+    private final ActorContext actorContext;
+    private final DatastoreContext datastoreContext;
+
+    public DistributedDataStore(ActorSystem actorSystem, String type, ClusterWrapper cluster,
+            Configuration configuration, DistributedDataStoreProperties dataStoreProperties) {
+        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");
+
+
+        String shardManagerId = ShardManagerIdentifier.builder().type(type).build().toString();
+
+        LOG.info("Creating ShardManager : {}", shardManagerId);
+
+        datastoreContext = new DatastoreContext(InMemoryDOMDataStoreConfigProperties.create(
+                dataStoreProperties.getMaxShardDataChangeExecutorPoolSize(),
+                dataStoreProperties.getMaxShardDataChangeExecutorQueueSize(),
+                dataStoreProperties.getMaxShardDataChangeListenerQueueSize()),
+                Duration.create(dataStoreProperties.getShardTransactionIdleTimeoutInMinutes(),
+                        TimeUnit.MINUTES));
+
+        actorContext
+                = new ActorContext(
+                    actorSystem, actorSystem.actorOf(
+                        ShardManager.props(type, cluster, configuration, datastoreContext).
+                            withMailbox(ActorContext.MAILBOX), shardManagerId ), cluster, configuration);
+
+        actorContext.setOperationTimeout(dataStoreProperties.getOperationTimeoutInSeconds());
+    }
 
+    public DistributedDataStore(ActorContext actorContext) {
+        this.actorContext = Preconditions.checkNotNull(actorContext, "actorContext should not be null");
+        this.datastoreContext = new DatastoreContext();
+    }
+
+
+    @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(
+        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);
+
+        ActorRef dataChangeListenerActor = actorContext.getActorSystem().actorOf(
+            DataChangeListener.props(listener ));
+
+        String shardName = ShardStrategyFactory.getStrategy(path).findShard(path);
+
+        Object result = actorContext.executeLocalShardOperation(shardName,
+            new RegisterChangeListener(path, dataChangeListenerActor.path(), scope));
+
+        if (result != null) {
+            RegisterChangeListenerReply reply = (RegisterChangeListenerReply) result;
+            return new DataChangeListenerRegistrationProxy(actorContext
+                .actorSelection(reply.getListenerRegistrationPath()), listener,
+                dataChangeListenerActor);
+        }
+
+        LOG.debug(
+            "No local shard for shardName {} was found so returning a noop registration",
+            shardName);
+
+        return new NoOpDataChangeListenerRegistration(listener);
     }
 
     @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();
     }
 }