*/
package org.opendaylight.controller.cluster.databroker.actors.dds;
-import akka.dispatch.ExecutionContexts;
-import akka.dispatch.OnComplete;
+import akka.actor.ActorRef;
import akka.util.Timeout;
import com.google.common.base.Preconditions;
+import com.google.common.base.Throwables;
import com.google.common.collect.BiMap;
import com.google.common.collect.ImmutableBiMap;
import com.google.common.collect.ImmutableBiMap.Builder;
import com.google.common.primitives.UnsignedLong;
-import com.google.common.util.concurrent.MoreExecutors;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.CompletionStage;
import java.util.concurrent.TimeUnit;
+import java.util.concurrent.atomic.AtomicLong;
import javax.annotation.concurrent.GuardedBy;
import org.opendaylight.controller.cluster.access.ABIVersion;
import org.opendaylight.controller.cluster.access.client.BackendInfo;
import org.opendaylight.controller.cluster.access.client.BackendInfoResolver;
-import org.opendaylight.controller.cluster.datastore.DataStoreVersions;
-import org.opendaylight.controller.cluster.datastore.messages.PrimaryShardInfo;
+import org.opendaylight.controller.cluster.access.commands.ConnectClientRequest;
+import org.opendaylight.controller.cluster.access.commands.ConnectClientSuccess;
+import org.opendaylight.controller.cluster.access.concepts.ClientIdentifier;
+import org.opendaylight.controller.cluster.access.concepts.RequestFailure;
+import org.opendaylight.controller.cluster.common.actor.ExplicitAsk;
import org.opendaylight.controller.cluster.datastore.shardstrategy.DefaultShardStrategy;
import org.opendaylight.controller.cluster.datastore.utils.ActorContext;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
-import scala.concurrent.ExecutionContext;
+import scala.Function1;
+import scala.compat.java8.FutureConverters;
/**
* {@link BackendInfoResolver} implementation for static shard configuration based on ShardManager. Each string-named
* @author Robert Varga
*/
final class ModuleShardBackendResolver extends BackendInfoResolver<ShardBackendInfo> {
- private static final ExecutionContext DIRECT_EXECUTION_CONTEXT =
- ExecutionContexts.fromExecutor(MoreExecutors.directExecutor());
private static final CompletableFuture<ShardBackendInfo> NULL_FUTURE = CompletableFuture.completedFuture(null);
private static final Logger LOG = LoggerFactory.getLogger(ModuleShardBackendResolver.class);
private static final Timeout DEAD_TIMEOUT = Timeout.apply(15, TimeUnit.MINUTES);
private final ActorContext actorContext;
+ // FIXME: this counter should be in superclass somewhere
+ private final AtomicLong nextSessionId = new AtomicLong();
+ private final Function1<ActorRef, ?> connectFunction;
@GuardedBy("this")
private long nextShard = 1;
private volatile BiMap<String, Long> shards = ImmutableBiMap.of(DefaultShardStrategy.DEFAULT_SHARD, 0L);
// FIXME: we really need just ActorContext.findPrimaryShardAsync()
- ModuleShardBackendResolver(final ActorContext actorContext) {
+ ModuleShardBackendResolver(final ClientIdentifier clientId, final ActorContext actorContext) {
this.actorContext = Preconditions.checkNotNull(actorContext);
+ this.connectFunction = ExplicitAsk.toScala(t -> new ConnectClientRequest(clientId, t, ABIVersion.BORON,
+ ABIVersion.current()));
}
@Override
return NULL_FUTURE;
}
- final CompletableFuture<ShardBackendInfo> ret = new CompletableFuture<>();
+ final CompletableFuture<ShardBackendInfo> ret = new CompletableFuture<ShardBackendInfo>();
- actorContext.findPrimaryShardAsync(shardName).onComplete(new OnComplete<PrimaryShardInfo>() {
- @Override
- public void onComplete(final Throwable t, final PrimaryShardInfo v) {
- if (t != null) {
- ret.completeExceptionally(t);
- } else {
- ret.complete(createBackendInfo(v, shardName, cookie));
- }
+ FutureConverters.toJava(actorContext.findPrimaryShardAsync(shardName)).thenCompose(info -> {
+ LOG.debug("Looking up primary info for {} from {}", shardName, info);
+ return FutureConverters.toJava(ExplicitAsk.ask(info.getPrimaryShardActor(), connectFunction, DEAD_TIMEOUT));
+ }).thenApply(response -> {
+ if (response instanceof RequestFailure) {
+ final RequestFailure<?, ?> failure = (RequestFailure<?, ?>) response;
+ LOG.debug("Connect request failed {}", failure, failure.getCause());
+ throw Throwables.propagate(failure.getCause());
}
- }, DIRECT_EXECUTION_CONTEXT);
- LOG.debug("Resolving cookie {} to shard {}", cookie, shardName);
- return ret;
- }
+ LOG.debug("Resolved backend information to {}", response);
- private static ABIVersion toABIVersion(final short version) {
- switch (version) {
- case DataStoreVersions.BORON_VERSION:
- return ABIVersion.BORON;
- }
+ Preconditions.checkArgument(response instanceof ConnectClientSuccess, "Unhandled response {}", response);
+ final ConnectClientSuccess success = (ConnectClientSuccess) response;
- throw new IllegalArgumentException("Unsupported version " + version);
- }
-
- private static ShardBackendInfo createBackendInfo(final Object result, final String shardName, final Long cookie) {
- Preconditions.checkArgument(result instanceof PrimaryShardInfo);
- final PrimaryShardInfo info = (PrimaryShardInfo) result;
+ return new ShardBackendInfo(success.getBackend(),
+ nextSessionId.getAndIncrement(), success.getVersion(), shardName, UnsignedLong.fromLongBits(cookie),
+ success.getDataTree(), success.getMaxMessages());
+ }).whenComplete((info, t) -> {
+ if (t != null) {
+ ret.completeExceptionally(t);
+ } else {
+ ret.complete(info);
+ }
+ });
- LOG.debug("Creating backend information for {}", info);
- return new ShardBackendInfo(info.getPrimaryShardActor().resolveOne(DEAD_TIMEOUT).value().get().get(),
- toABIVersion(info.getPrimaryShardVersion()), shardName, UnsignedLong.fromLongBits(cookie),
- info.getLocalShardDataTree());
- }
+ LOG.debug("Resolving cookie {} to shard {}", cookie, shardName);
+ return ret;
+ }
}
Code Review / controller.git / blobdiff