package org.opendaylight.controller.cluster.datastore;
-import akka.actor.ActorRef;
-import akka.actor.ActorSelection;
import akka.actor.ActorSystem;
-import akka.util.Timeout;
-import org.opendaylight.controller.cluster.datastore.messages.FindPrimary;
-import org.opendaylight.controller.cluster.datastore.messages.PrimaryFound;
-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.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.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.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.Await;
-import scala.concurrent.Future;
-import scala.concurrent.duration.Duration;
-import scala.concurrent.duration.FiniteDuration;
-
-import java.util.concurrent.TimeUnit;
-
-import static akka.pattern.Patterns.ask;
+import com.google.common.annotations.VisibleForTesting;
+import org.opendaylight.controller.cluster.access.concepts.ClientIdentifier;
+import org.opendaylight.controller.cluster.datastore.config.Configuration;
+import org.opendaylight.controller.cluster.datastore.persisted.DatastoreSnapshot;
+import org.opendaylight.controller.cluster.datastore.utils.ActorUtils;
+import org.opendaylight.mdsal.dom.spi.store.DOMStoreReadTransaction;
+import org.opendaylight.mdsal.dom.spi.store.DOMStoreReadWriteTransaction;
+import org.opendaylight.mdsal.dom.spi.store.DOMStoreTransactionChain;
+import org.opendaylight.mdsal.dom.spi.store.DOMStoreWriteTransaction;
/**
- *
+ * Implements a distributed DOMStore using Akka Patterns.ask().
*/
-public class DistributedDataStore implements DOMStore, SchemaContextListener {
-
- private static final Logger
- LOG = LoggerFactory.getLogger(DistributedDataStore.class);
-
- final FiniteDuration ASK_DURATION = Duration.create(5, TimeUnit.SECONDS);
- final Duration AWAIT_DURATION = Duration.create(5, TimeUnit.SECONDS);
-
- private final ActorRef shardManager;
- private final ActorSystem actorSystem;
- private final String type;
-
-
- public DistributedDataStore(ActorSystem actorSystem, String type) {
- this.actorSystem = actorSystem;
- this.type = type;
- shardManager = actorSystem.actorOf(ShardManager.props(type));
- }
-
- @Override
- public <L extends AsyncDataChangeListener<InstanceIdentifier, NormalizedNode<?, ?>>> ListenerRegistration<L> registerChangeListener(
- InstanceIdentifier path, L listener,
- AsyncDataBroker.DataChangeScope scope) {
+public class DistributedDataStore extends AbstractDataStore {
- ActorSelection primary = findPrimary();
+ private final TransactionContextFactory txContextFactory;
- ActorRef dataChangeListenerActor = actorSystem.actorOf(DataChangeListener.props());
-
- Object result =
- getResult(primary, new RegisterChangeListener(path, dataChangeListenerActor.path(),
- AsyncDataBroker.DataChangeScope.BASE), ASK_DURATION);
-
- RegisterChangeListenerReply reply = (RegisterChangeListenerReply) result;
- return new ListenerRegistrationProxy(reply.getListenerRegistrationPath());
+ public DistributedDataStore(final ActorSystem actorSystem, final ClusterWrapper cluster,
+ final Configuration configuration, final DatastoreContextFactory datastoreContextFactory,
+ final DatastoreSnapshot restoreFromSnapshot) {
+ super(actorSystem, cluster, configuration, datastoreContextFactory, restoreFromSnapshot);
+ this.txContextFactory = new TransactionContextFactory(getActorUtils(), getIdentifier());
}
- private ActorSelection findPrimary() {
- Object result = getResult(shardManager, new FindPrimary(Shard.DEFAULT_NAME), ASK_DURATION);
-
- if(result instanceof PrimaryFound){
- PrimaryFound found = (PrimaryFound) result;
- LOG.error("Primary found {}", found.getPrimaryPath());
-
- return actorSystem.actorSelection(found.getPrimaryPath());
- }
- throw new RuntimeException("primary was not found");
- }
-
- private Object getResult(ActorRef actor, Object message, FiniteDuration duration){
- Future<Object> future =
- ask(actor, message, new Timeout(duration));
-
- try {
- return Await.result(future, AWAIT_DURATION);
- } catch (Exception e) {
- throw new RuntimeException(e);
- }
- }
-
- private Object getResult(ActorSelection actor, Object message, FiniteDuration duration){
- Future<Object> future =
- ask(actor, message, new Timeout(duration));
-
- try {
- return Await.result(future, AWAIT_DURATION);
- } catch (Exception e) {
- throw new RuntimeException(e);
- }
+ @VisibleForTesting
+ DistributedDataStore(final ActorUtils actorUtils, final ClientIdentifier identifier) {
+ super(actorUtils, identifier);
+ this.txContextFactory = new TransactionContextFactory(getActorUtils(), getIdentifier());
}
@Override
public DOMStoreTransactionChain createTransactionChain() {
- return new TransactionChainProxy();
+ return txContextFactory.createTransactionChain();
}
@Override
public DOMStoreReadTransaction newReadOnlyTransaction() {
- return new TransactionProxy();
+ return new TransactionProxy(txContextFactory, TransactionType.READ_ONLY);
}
@Override
public DOMStoreWriteTransaction newWriteOnlyTransaction() {
- return new TransactionProxy();
+ getActorUtils().acquireTxCreationPermit();
+ return new TransactionProxy(txContextFactory, TransactionType.WRITE_ONLY);
}
@Override
public DOMStoreReadWriteTransaction newReadWriteTransaction() {
- return new TransactionProxy();
+ getActorUtils().acquireTxCreationPermit();
+ return new TransactionProxy(txContextFactory, TransactionType.READ_WRITE);
}
- @Override public void onGlobalContextUpdated(SchemaContext schemaContext) {
- shardManager.tell(new UpdateSchemaContext(schemaContext), null);
+ @Override
+ public void close() {
+ txContextFactory.close();
+ super.close();
}
}
Code Review / controller.git / blobdiff