*/
package org.opendaylight.controller.cluster.access.client;
+import static java.util.Objects.requireNonNull;
+
import akka.actor.ActorRef;
+import akka.actor.ActorSystem;
import akka.actor.Cancellable;
import akka.actor.Scheduler;
-import com.google.common.annotations.Beta;
-import com.google.common.base.Preconditions;
import com.google.common.base.Ticker;
-import java.util.Map;
-import java.util.concurrent.ConcurrentHashMap;
-import javax.annotation.Nonnull;
-import javax.annotation.concurrent.ThreadSafe;
+import java.util.concurrent.TimeUnit;
+import org.eclipse.jdt.annotation.NonNull;
import org.opendaylight.controller.cluster.access.concepts.ClientIdentifier;
-import org.opendaylight.controller.cluster.access.concepts.RequestException;
-import org.opendaylight.controller.cluster.access.concepts.ResponseEnvelope;
-import org.opendaylight.controller.cluster.access.concepts.TransactionIdentifier;
+import org.opendaylight.controller.cluster.common.actor.Dispatchers;
+import org.opendaylight.controller.cluster.io.FileBackedOutputStreamFactory;
+import org.opendaylight.controller.cluster.messaging.MessageSlicer;
import org.opendaylight.yangtools.concepts.Identifiable;
-import org.opendaylight.yangtools.concepts.WritableIdentifier;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
import scala.concurrent.ExecutionContext;
import scala.concurrent.duration.FiniteDuration;
/**
* An actor context associated with this {@link AbstractClientActor}.
*
+ * <p>
* Time-keeping in a client actor is based on monotonic time. The precision of this time can be expected to be the
* same as {@link System#nanoTime()}, but it is not tied to that particular clock. Actor clock is exposed as
- * a {@link Ticker}, which can be obtained via {@link #ticker()}.
- *
- * @author Robert Varga
+ * a {@link Ticker}, which can be obtained via {@link #ticker()}. This class is thread-safe.
*/
-@Beta
-@ThreadSafe
public class ClientActorContext extends AbstractClientActorContext implements Identifiable<ClientIdentifier> {
- private static final Logger LOG = LoggerFactory.getLogger(ClientActorContext.class);
-
- private final Map<Long, SequencedQueue> queues = new ConcurrentHashMap<>();
- private final ClientIdentifier identifier;
private final ExecutionContext executionContext;
+ private final ClientIdentifier identifier;
private final Scheduler scheduler;
+ private final Dispatchers dispatchers;
+ private final ClientActorConfig config;
+ private final MessageSlicer messageSlicer;
// Hidden to avoid subclassing
- ClientActorContext(final ActorRef self, final Scheduler scheduler, final ExecutionContext executionContext,
- final String persistenceId, final ClientIdentifier identifier) {
+ ClientActorContext(final ActorRef self, final String persistenceId, final ActorSystem system,
+ final ClientIdentifier identifier, final ClientActorConfig config) {
super(self, persistenceId);
- this.identifier = Preconditions.checkNotNull(identifier);
- this.scheduler = Preconditions.checkNotNull(scheduler);
- this.executionContext = Preconditions.checkNotNull(executionContext);
+ this.identifier = requireNonNull(identifier);
+ scheduler = requireNonNull(system).scheduler();
+ executionContext = system.dispatcher();
+ dispatchers = new Dispatchers(system.dispatchers());
+ this.config = requireNonNull(config);
+
+ messageSlicer = MessageSlicer.builder().messageSliceSize(config.getMaximumMessageSliceSize())
+ .logContext(persistenceId).expireStateAfterInactivity(config.getRequestTimeout(), TimeUnit.NANOSECONDS)
+ .fileBackedStreamFactory(new FileBackedOutputStreamFactory(config.getFileBackedStreamingThreshold(),
+ config.getTempFileDirectory())).build();
}
@Override
- public @Nonnull ClientIdentifier getIdentifier() {
+ public ClientIdentifier getIdentifier() {
return identifier;
}
+ public @NonNull ClientActorConfig config() {
+ return config;
+ }
+
+ public @NonNull Dispatchers dispatchers() {
+ return dispatchers;
+ }
+
+ public @NonNull MessageSlicer messageSlicer() {
+ return messageSlicer;
+ }
+
/**
* Return the time ticker for this {@link ClientActorContext}. This should be used for in all time-tracking
* done within a client actor. Subclasses of {@link ClientActorBehavior} are encouraged to use
*
* @return Client actor time source
*/
- public @Nonnull Ticker ticker() {
+ public @NonNull Ticker ticker() {
return Ticker.systemTicker();
}
* Execute a command in the context of the client actor.
*
* @param command Block of code which needs to be execute
+ * @param <T> BackendInfo type
*/
- public void executeInActor(final @Nonnull InternalCommand command) {
- self().tell(Preconditions.checkNotNull(command), ActorRef.noSender());
+ public <T extends BackendInfo> void executeInActor(final @NonNull InternalCommand<T> command) {
+ self().tell(requireNonNull(command), ActorRef.noSender());
}
- public Cancellable executeInActor(final @Nonnull InternalCommand command, final FiniteDuration delay) {
- return scheduler.scheduleOnce(Preconditions.checkNotNull(delay), self(), Preconditions.checkNotNull(command),
+ public <T extends BackendInfo> Cancellable executeInActor(final @NonNull InternalCommand<T> command,
+ final FiniteDuration delay) {
+ return scheduler.scheduleOnce(requireNonNull(delay), self(), requireNonNull(command),
executionContext, ActorRef.noSender());
}
-
- SequencedQueue queueFor(final Long cookie) {
- return queues.computeIfAbsent(cookie, t -> new SequencedQueue(t, ticker()));
- }
-
- void removeQueue(final SequencedQueue queue) {
- queues.remove(queue.getCookie(), queue);
- }
-
- ClientActorBehavior completeRequest(final ClientActorBehavior current, final ResponseEnvelope<?> response) {
- final WritableIdentifier id = response.getMessage().getTarget();
-
- // FIXME: this will need to be updated for other Request/Response types to extract cookie
- Preconditions.checkArgument(id instanceof TransactionIdentifier);
- final TransactionIdentifier txId = (TransactionIdentifier) id;
-
- final SequencedQueue queue = queues.get(txId.getHistoryId().getCookie());
- if (queue == null) {
- LOG.info("{}: Ignoring unknown response {}", persistenceId(), response);
- return current;
- } else {
- return queue.complete(current, response);
- }
- }
-
- void poison(final RequestException cause) {
- for (SequencedQueue q : queues.values()) {
- q.poison(cause);
- }
-
- queues.clear();
- }
}