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 ShardContext shardContext;
+
+ 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);
+
+ shardContext = new ShardContext(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, shardContext).
+ withMailbox(ActorContext.MAILBOX), shardManagerId ), cluster, configuration);
+ }
+
+ public DistributedDataStore(ActorContext actorContext) {
+ this.actorContext = Preconditions.checkNotNull(actorContext, "actorContext should not be null");
+ this.shardContext = new ShardContext();
+ }
+
+ @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),
+ 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);
}
@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();
}
}