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.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;
/**
*
*/
-public class DistributedDataStore implements DOMStore {
- private final ActorRef shardManager;
-
- public DistributedDataStore(ActorSystem actorSystem, String type) {
- shardManager = actorSystem.actorOf(ShardManager.props(type));
- }
-
- @Override
- public <L extends AsyncDataChangeListener<InstanceIdentifier, NormalizedNode<?, ?>>> ListenerRegistration<L> registerChangeListener(InstanceIdentifier path, L listener, AsyncDataBroker.DataChangeScope scope) {
- return new ListenerRegistrationProxy();
- }
-
- @Override
- public DOMStoreTransactionChain createTransactionChain() {
- return new TransactionChainProxy();
- }
-
- @Override
- public DOMStoreReadTransaction newReadOnlyTransaction() {
- return new TransactionProxy();
- }
-
- @Override
- public DOMStoreWriteTransaction newWriteOnlyTransaction() {
- return new TransactionProxy();
- }
-
- @Override
- public DOMStoreReadWriteTransaction newReadWriteTransaction() {
- return new TransactionProxy();
- }
+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) {
+
+ ActorSelection primary = findPrimary();
+
+ 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());
+ }
+
+ 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);
+ }
+ }
+
+
+ @Override
+ public DOMStoreTransactionChain createTransactionChain() {
+ return new TransactionChainProxy();
+ }
+
+ @Override
+ public DOMStoreReadTransaction newReadOnlyTransaction() {
+ return new TransactionProxy();
+ }
+
+ @Override
+ public DOMStoreWriteTransaction newWriteOnlyTransaction() {
+ return new TransactionProxy();
+ }
+
+ @Override
+ public DOMStoreReadWriteTransaction newReadWriteTransaction() {
+ return new TransactionProxy();
+ }
+
+ @Override public void onGlobalContextUpdated(SchemaContext schemaContext) {
+ shardManager.tell(new UpdateSchemaContext(schemaContext), null);
+ }
}