package org.opendaylight.controller.cluster.datastore;
import akka.actor.ActorRef;
+import akka.actor.ActorSelection;
import akka.actor.Props;
import akka.event.Logging;
import akka.event.LoggingAdapter;
import com.google.common.util.concurrent.ListeningExecutorService;
import com.google.common.util.concurrent.MoreExecutors;
import org.opendaylight.controller.cluster.datastore.messages.CommitTransactionReply;
+import org.opendaylight.controller.cluster.datastore.messages.CreateTransaction;
import org.opendaylight.controller.cluster.datastore.messages.CreateTransactionChain;
import org.opendaylight.controller.cluster.datastore.messages.CreateTransactionChainReply;
+import org.opendaylight.controller.cluster.datastore.messages.CreateTransactionReply;
import org.opendaylight.controller.cluster.datastore.messages.ForwardedCommitTransaction;
import org.opendaylight.controller.cluster.datastore.messages.RegisterChangeListener;
import org.opendaylight.controller.cluster.datastore.messages.RegisterChangeListenerReply;
import org.opendaylight.controller.cluster.datastore.modification.Modification;
import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeListener;
import org.opendaylight.controller.md.sal.dom.store.impl.InMemoryDOMDataStore;
+import org.opendaylight.controller.sal.core.spi.data.DOMStoreReadWriteTransaction;
import org.opendaylight.controller.sal.core.spi.data.DOMStoreThreePhaseCommitCohort;
import org.opendaylight.controller.sal.core.spi.data.DOMStoreTransactionChain;
import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier;
*/
public class Shard extends UntypedProcessor {
- public static final String DEFAULT_NAME = "default";
+ public static final String DEFAULT_NAME = "default";
- private final ListeningExecutorService storeExecutor = MoreExecutors.listeningDecorator(Executors.newFixedThreadPool(2));
+ private final ListeningExecutorService storeExecutor =
+ MoreExecutors.listeningDecorator(Executors.newFixedThreadPool(2));
- private final InMemoryDOMDataStore store;
+ private final InMemoryDOMDataStore store;
- private final Map<Modification, DOMStoreThreePhaseCommitCohort> modificationToCohort = new HashMap<>();
+ private final Map<Modification, DOMStoreThreePhaseCommitCohort>
+ modificationToCohort = new HashMap<>();
- private final LoggingAdapter log = Logging.getLogger(getContext().system(), this);
+ private final LoggingAdapter log =
+ Logging.getLogger(getContext().system(), this);
- private Shard(String name){
- store = new InMemoryDOMDataStore(name, storeExecutor);
- }
+ private Shard(String name) {
+ log.info("Creating shard : {}", name );
- public static Props props(final String name) {
- return Props.create(new Creator<Shard>() {
+ store = new InMemoryDOMDataStore(name, storeExecutor);
+ }
+
+ public static Props props(final String name) {
+ return Props.create(new Creator<Shard>() {
- @Override
- public Shard create() throws Exception {
- return new Shard(name);
- }
+ @Override
+ public Shard create() throws Exception {
+ return new Shard(name);
+ }
- });
- }
+ });
+ }
- @Override
- public void onReceive(Object message) throws Exception {
- if (message instanceof CreateTransactionChain) {
- createTransactionChain();
- } else if (message instanceof RegisterChangeListener) {
- registerChangeListener((RegisterChangeListener) message);
- } else if (message instanceof UpdateSchemaContext) {
- updateSchemaContext((UpdateSchemaContext) message);
- } else if (message instanceof ForwardedCommitTransaction ) {
- handleForwardedCommit((ForwardedCommitTransaction) message);
- } else if (message instanceof Persistent){
- commit((Persistent) message);
+ @Override
+ public void onReceive(Object message) throws Exception {
+ log.debug("Received message {}", message);
+
+ if (message instanceof CreateTransactionChain) {
+ createTransactionChain();
+ } else if (message instanceof RegisterChangeListener) {
+ registerChangeListener((RegisterChangeListener) message);
+ } else if (message instanceof UpdateSchemaContext) {
+ updateSchemaContext((UpdateSchemaContext) message);
+ } else if (message instanceof ForwardedCommitTransaction) {
+ handleForwardedCommit((ForwardedCommitTransaction) message);
+ } else if (message instanceof Persistent) {
+ commit((Persistent) message);
+ } else if (message instanceof CreateTransaction) {
+ createTransaction();
+ }
}
- }
-
- private void commit(Persistent message) {
- Modification modification = (Modification) message.payload();
- DOMStoreThreePhaseCommitCohort cohort = modificationToCohort.remove(modification);
- if(cohort == null){
- log.error("Could not find cohort for modification : " + modification);
- return;
+
+ private void createTransaction() {
+ DOMStoreReadWriteTransaction transaction =
+ store.newReadWriteTransaction();
+ ActorRef transactionActor = getContext().actorOf(
+ ShardTransaction.props(transaction, getSelf()));
+ getSender()
+ .tell(new CreateTransactionReply(transactionActor.path()),
+ getSelf());
}
- final ListenableFuture<Void> future = cohort.commit();
- final ActorRef sender = getSender();
- final ActorRef self = getSelf();
- future.addListener(new Runnable() {
- @Override
- public void run() {
- try {
- future.get();
- sender.tell(new CommitTransactionReply(), self);
- } catch (InterruptedException | ExecutionException e) {
- log.error(e, "An exception happened when committing");
+
+ private void commit(Persistent message) {
+ Modification modification = (Modification) message.payload();
+ DOMStoreThreePhaseCommitCohort cohort =
+ modificationToCohort.remove(modification);
+ if (cohort == null) {
+ log.error(
+ "Could not find cohort for modification : " + modification);
+ return;
}
- }
- }, getContext().dispatcher());
- }
-
- private void handleForwardedCommit(ForwardedCommitTransaction message) {
- log.info("received forwarded transaction");
- modificationToCohort.put(message.getModification(), message.getCohort());
- getSelf().forward(Persistent.create(message.getModification()), getContext());
- }
-
- private void updateSchemaContext(UpdateSchemaContext message) {
- store.onGlobalContextUpdated(message.getSchemaContext());
- }
-
- private void registerChangeListener(RegisterChangeListener registerChangeListener) {
- org.opendaylight.yangtools.concepts.ListenerRegistration<AsyncDataChangeListener<InstanceIdentifier, NormalizedNode<?, ?>>> registration =
- store.registerChangeListener(registerChangeListener.getPath(), registerChangeListener.getListener(), registerChangeListener.getScope());
- ActorRef listenerRegistration = getContext().actorOf(ListenerRegistration.props(registration));
- getSender().tell(new RegisterChangeListenerReply(listenerRegistration.path()), getSelf());
- }
-
- private void createTransactionChain() {
- DOMStoreTransactionChain chain = store.createTransactionChain();
- ActorRef transactionChain = getContext().actorOf(ShardTransactionChain.props(chain));
- getSender().tell(new CreateTransactionChainReply(transactionChain.path()), getSelf());
- }
+ final ListenableFuture<Void> future = cohort.commit();
+ final ActorRef sender = getSender();
+ final ActorRef self = getSelf();
+ future.addListener(new Runnable() {
+ @Override
+ public void run() {
+ try {
+ future.get();
+ sender.tell(new CommitTransactionReply(), self);
+ } catch (InterruptedException | ExecutionException e) {
+ log.error(e, "An exception happened when committing");
+ }
+ }
+ }, getContext().dispatcher());
+ }
+
+ private void handleForwardedCommit(ForwardedCommitTransaction message) {
+ log.info("received forwarded transaction");
+ modificationToCohort
+ .put(message.getModification(), message.getCohort());
+ getSelf().forward(Persistent.create(message.getModification()),
+ getContext());
+ }
+
+ private void updateSchemaContext(UpdateSchemaContext message) {
+ store.onGlobalContextUpdated(message.getSchemaContext());
+ }
+
+ private void registerChangeListener(
+ RegisterChangeListener registerChangeListener) {
+
+ ActorSelection dataChangeListenerPath = getContext()
+ .system().actorSelection(registerChangeListener.getDataChangeListenerPath());
+
+ AsyncDataChangeListener<InstanceIdentifier, NormalizedNode<?, ?>>
+ listener = new DataChangeListenerProxy(dataChangeListenerPath);
+
+ org.opendaylight.yangtools.concepts.ListenerRegistration<AsyncDataChangeListener<InstanceIdentifier, NormalizedNode<?, ?>>>
+ registration =
+ store.registerChangeListener(registerChangeListener.getPath(),
+ listener, registerChangeListener.getScope());
+ ActorRef listenerRegistration =
+ getContext().actorOf(
+ DataChangeListenerRegistration.props(registration));
+ getSender()
+ .tell(new RegisterChangeListenerReply(listenerRegistration.path()),
+ getSelf());
+ }
+
+ private void createTransactionChain() {
+ DOMStoreTransactionChain chain = store.createTransactionChain();
+ ActorRef transactionChain =
+ getContext().actorOf(ShardTransactionChain.props(chain));
+ getSender()
+ .tell(new CreateTransactionChainReply(transactionChain.path()),
+ getSelf());
+ }
}
Code Review / controller.git / blobdiff