+/*
+ * 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 com.google.common.util.concurrent.ListeningExecutorService;
+import com.google.common.util.concurrent.MoreExecutors;
+import org.opendaylight.controller.cluster.datastore.messages.RegisterChangeListener;
+import org.opendaylight.controller.cluster.datastore.messages.RegisterChangeListenerReply;
+import org.opendaylight.controller.cluster.datastore.messages.UpdateSchemaContext;
+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;
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 java.util.concurrent.Executors;
/**
*
*/
-public class DistributedDataStore implements DOMStore {
+public class DistributedDataStore implements DOMStore, SchemaContextListener, AutoCloseable {
+
+ private static final Logger
+ LOG = LoggerFactory.getLogger(DistributedDataStore.class);
+
+ private static final int DEFAULT_EXECUTOR_POOL_SIZE = 10;
+
+ private final String type;
+ private final ActorContext actorContext;
+
+ private SchemaContext schemaContext;
+
+
+
+ /**
+ * Executor used to run FutureTask's
+ *
+ * This is typically used when we need to make a request to an actor and
+ * wait for it's response and the consumer needs to be provided a Future.
+ *
+ * FIXME : Make the thread pool size configurable.
+ */
+ private final ListeningExecutorService executor =
+ MoreExecutors.listeningDecorator(Executors.newFixedThreadPool(DEFAULT_EXECUTOR_POOL_SIZE));
+
+ public DistributedDataStore(ActorSystem actorSystem, String type, ClusterWrapper cluster, Configuration configuration) {
+ this(new ActorContext(actorSystem, actorSystem
+ .actorOf(ShardManager.props(type, cluster, configuration),
+ "shardmanager-" + type), cluster, configuration), type);
+ }
+
+ public DistributedDataStore(ActorContext actorContext, String type) {
+ this.type = type;
+ this.actorContext = actorContext;
+ }
+
@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) {
+
+ ActorRef dataChangeListenerActor = actorContext.getActorSystem().actorOf(
+ DataChangeListener.props(schemaContext,listener,path ));
+
+ String shardName = ShardStrategyFactory.getStrategy(path).findShard(path);
+
+ Object result = actorContext.executeLocalShardOperation(shardName,
+ new RegisterChangeListener(path, dataChangeListenerActor.path(),
+ scope),
+ ActorContext.ASK_DURATION
+ );
+
+ 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, executor, schemaContext);
}
@Override
public DOMStoreReadTransaction newReadOnlyTransaction() {
- return new TransactionProxy();
+ return new TransactionProxy(actorContext, TransactionProxy.TransactionType.READ_ONLY,
+ executor, schemaContext);
}
@Override
public DOMStoreWriteTransaction newWriteOnlyTransaction() {
- return new TransactionProxy();
+ return new TransactionProxy(actorContext, TransactionProxy.TransactionType.WRITE_ONLY,
+ executor, schemaContext);
}
@Override
public DOMStoreReadWriteTransaction newReadWriteTransaction() {
- return new TransactionProxy();
+ return new TransactionProxy(actorContext, TransactionProxy.TransactionType.READ_WRITE,
+ executor, schemaContext);
+ }
+
+ @Override public void onGlobalContextUpdated(SchemaContext schemaContext) {
+ this.schemaContext = schemaContext;
+ actorContext.getShardManager().tell(
+ new UpdateSchemaContext(schemaContext), null);
+ }
+
+ @Override public void close() throws Exception {
+ actorContext.shutdown();
+
}
}
Code Review / controller.git / blobdiff