import akka.actor.ActorRef;
import akka.actor.ActorSystem;
+import akka.dispatch.OnComplete;
+import akka.util.Timeout;
+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.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.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.ExecutorService;
-import java.util.concurrent.Executors;
+import scala.concurrent.Future;
/**
*
*/
public class DistributedDataStore implements DOMStore, SchemaContextListener, AutoCloseable {
- private static final Logger
- LOG = LoggerFactory.getLogger(DistributedDataStore.class);
-
+ 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 String type;
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");
- /**
- * 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 configurable
- */
- private final ExecutorService executor =
- Executors.newFixedThreadPool(10);
+ String shardManagerId = ShardManagerIdentifier.builder().type(type).build().toString();
- public DistributedDataStore(ActorSystem actorSystem, String type) {
- this(new ActorContext(actorSystem, actorSystem.actorOf(ShardManager.props(type), "shardmanager-" + type)), type);
- }
+ LOG.info("Creating ShardManager : {}", shardManagerId);
- public DistributedDataStore(ActorContext actorContext, String type) {
- this.type = type;
- this.actorContext = actorContext;
+ 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,
+ public <L extends AsyncDataChangeListener<YangInstanceIdentifier, NormalizedNode<?, ?>>>
+ ListenerRegistration<L> registerChangeListener(
+ final YangInstanceIdentifier path, L listener,
AsyncDataBroker.DataChangeScope scope) {
- ActorRef dataChangeListenerActor = actorContext.getActorSystem().actorOf(
- DataChangeListener.props(listener));
+ Preconditions.checkNotNull(path, "path should not be null");
+ Preconditions.checkNotNull(listener, "listener should not be null");
- Object result = actorContext.executeShardOperation(Shard.DEFAULT_NAME,
- new RegisterChangeListener(path, dataChangeListenerActor.path(),
- AsyncDataBroker.DataChangeScope.BASE),
- ActorContext.ASK_DURATION
- );
+ LOG.debug("Registering listener: {} for path: {} scope: {}", listener, path, scope);
- RegisterChangeListenerReply reply = (RegisterChangeListenerReply) result;
- return new DataChangeListenerRegistrationProxy(actorContext.actorSelection(reply.getListenerRegistrationPath()), listener, dataChangeListenerActor);
+ ActorRef dataChangeListenerActor = actorContext.getActorSystem().actorOf(
+ DataChangeListener.props(listener ));
+
+ String shardName = ShardStrategyFactory.getStrategy(path).findShard(path);
+
+ Future future = actorContext.executeLocalShardOperationAsync(shardName,
+ new RegisterChangeListener(path, dataChangeListenerActor.path(), scope),
+ new Timeout(actorContext.getOperationDuration().$times(
+ REGISTER_DATA_CHANGE_LISTENER_TIMEOUT_FACTOR)));
+
+ if (future != null) {
+ 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;
+ }
+
+ 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(actorContext, executor);
+ return new TransactionChainProxy(actorContext);
}
@Override
public DOMStoreReadTransaction newReadOnlyTransaction() {
- return new TransactionProxy(actorContext, TransactionProxy.TransactionType.READ_ONLY,
- executor);
+ return new TransactionProxy(actorContext, TransactionProxy.TransactionType.READ_ONLY);
}
@Override
public DOMStoreWriteTransaction newWriteOnlyTransaction() {
- return new TransactionProxy(actorContext, TransactionProxy.TransactionType.WRITE_ONLY,
- executor);
+ return new TransactionProxy(actorContext, TransactionProxy.TransactionType.WRITE_ONLY);
}
@Override
public DOMStoreReadWriteTransaction newReadWriteTransaction() {
- return new TransactionProxy(actorContext, TransactionProxy.TransactionType.READ_WRITE,
- executor);
+ return new TransactionProxy(actorContext, TransactionProxy.TransactionType.READ_WRITE);
}
- @Override public void onGlobalContextUpdated(SchemaContext schemaContext) {
- actorContext.getShardManager().tell(
- new UpdateSchemaContext(schemaContext), null);
+ @Override
+ public void onGlobalContextUpdated(SchemaContext schemaContext) {
+ actorContext.setSchemaContext(schemaContext);
}
- @Override public void close() throws Exception {
+ @Override
+ public void close() throws Exception {
actorContext.shutdown();
-
}
}
Code Review / controller.git / blobdiff