*/
package org.opendaylight.controller.cluster.datastore.entityownership;
+import static org.opendaylight.controller.cluster.datastore.entityownership.EntityOwnersModel.CANDIDATE_NODE_ID;
import static org.opendaylight.controller.cluster.datastore.entityownership.EntityOwnersModel.ENTITY_OWNER_NODE_ID;
import static org.opendaylight.controller.cluster.datastore.entityownership.EntityOwnersModel.entityPath;
+
import akka.actor.ActorRef;
import akka.dispatch.OnComplete;
import akka.pattern.Patterns;
import java.util.concurrent.ConcurrentMap;
import java.util.concurrent.TimeUnit;
import javax.annotation.Nonnull;
-import org.opendaylight.controller.cluster.datastore.DistributedDataStore;
+import org.opendaylight.controller.cluster.access.concepts.MemberName;
import org.opendaylight.controller.cluster.datastore.config.Configuration;
import org.opendaylight.controller.cluster.datastore.config.ModuleShardConfiguration;
import org.opendaylight.controller.cluster.datastore.entityownership.messages.RegisterCandidateLocal;
import org.opendaylight.controller.cluster.datastore.messages.CreateShard;
import org.opendaylight.controller.cluster.datastore.messages.GetShardDataTree;
import org.opendaylight.controller.cluster.datastore.shardstrategy.ModuleShardStrategy;
-import org.opendaylight.controller.md.sal.common.api.clustering.CandidateAlreadyRegisteredException;
-import org.opendaylight.controller.md.sal.common.api.clustering.Entity;
-import org.opendaylight.controller.md.sal.common.api.clustering.EntityOwnershipCandidateRegistration;
-import org.opendaylight.controller.md.sal.common.api.clustering.EntityOwnershipListener;
-import org.opendaylight.controller.md.sal.common.api.clustering.EntityOwnershipListenerRegistration;
-import org.opendaylight.controller.md.sal.common.api.clustering.EntityOwnershipService;
-import org.opendaylight.controller.md.sal.common.api.clustering.EntityOwnershipState;
+import org.opendaylight.controller.cluster.datastore.utils.ActorContext;
+import org.opendaylight.mdsal.eos.common.api.CandidateAlreadyRegisteredException;
+import org.opendaylight.mdsal.eos.common.api.EntityOwnershipState;
+import org.opendaylight.mdsal.eos.dom.api.DOMEntity;
+import org.opendaylight.mdsal.eos.dom.api.DOMEntityOwnershipCandidateRegistration;
+import org.opendaylight.mdsal.eos.dom.api.DOMEntityOwnershipListener;
+import org.opendaylight.mdsal.eos.dom.api.DOMEntityOwnershipListenerRegistration;
+import org.opendaylight.mdsal.eos.dom.api.DOMEntityOwnershipService;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.controller.md.sal.clustering.entity.owners.rev150804.EntityOwners;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
import org.opendaylight.yangtools.yang.data.api.schema.DataContainerChild;
import org.opendaylight.yangtools.yang.data.api.schema.MapEntryNode;
+import org.opendaylight.yangtools.yang.data.api.schema.MapNode;
import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
import org.opendaylight.yangtools.yang.data.api.schema.tree.DataTree;
import org.slf4j.Logger;
*
* @author Thomas Pantelis
*/
-public class DistributedEntityOwnershipService implements EntityOwnershipService, AutoCloseable {
- private static final Logger LOG = LoggerFactory.getLogger(DistributedEntityOwnershipService.class);
+public class DistributedEntityOwnershipService implements DOMEntityOwnershipService, AutoCloseable {
+ @VisibleForTesting
static final String ENTITY_OWNERSHIP_SHARD_NAME = "entity-ownership";
+
+ private static final Logger LOG = LoggerFactory.getLogger(DistributedEntityOwnershipService.class);
private static final Timeout MESSAGE_TIMEOUT = new Timeout(1, TimeUnit.MINUTES);
- private final DistributedDataStore datastore;
- private final EntityOwnerSelectionStrategyConfig strategyConfig;
- private final ConcurrentMap<Entity, Entity> registeredEntities = new ConcurrentHashMap<>();
+ private final ConcurrentMap<DOMEntity, DOMEntity> registeredEntities = new ConcurrentHashMap<>();
+ private final ActorContext context;
+
private volatile ActorRef localEntityOwnershipShard;
private volatile DataTree localEntityOwnershipShardDataTree;
- public DistributedEntityOwnershipService(DistributedDataStore datastore, EntityOwnerSelectionStrategyConfig strategyConfig) {
- this.datastore = Preconditions.checkNotNull(datastore);
- this.strategyConfig = Preconditions.checkNotNull(strategyConfig);
+ DistributedEntityOwnershipService(final ActorContext context) {
+ this.context = Preconditions.checkNotNull(context);
}
- public void start() {
- ActorRef shardManagerActor = datastore.getActorContext().getShardManager();
+ public static DistributedEntityOwnershipService start(final ActorContext context,
+ final EntityOwnerSelectionStrategyConfig strategyConfig) {
+ ActorRef shardManagerActor = context.getShardManager();
- Configuration configuration = datastore.getActorContext().getConfiguration();
- Collection<String> entityOwnersMemberNames = configuration.getUniqueMemberNamesForAllShards();
+ Configuration configuration = context.getConfiguration();
+ Collection<MemberName> entityOwnersMemberNames = configuration.getUniqueMemberNamesForAllShards();
CreateShard createShard = new CreateShard(new ModuleShardConfiguration(EntityOwners.QNAME.getNamespace(),
"entity-owners", ENTITY_OWNERSHIP_SHARD_NAME, ModuleShardStrategy.NAME, entityOwnersMemberNames),
- newShardBuilder(), null);
+ newShardBuilder(context, strategyConfig), null);
- Future<Object> createFuture = datastore.getActorContext().executeOperationAsync(shardManagerActor,
+ Future<Object> createFuture = context.executeOperationAsync(shardManagerActor,
createShard, MESSAGE_TIMEOUT);
createFuture.onComplete(new OnComplete<Object>() {
@Override
- public void onComplete(Throwable failure, Object response) {
- if(failure != null) {
- LOG.error("Failed to create {} shard", ENTITY_OWNERSHIP_SHARD_NAME);
+ public void onComplete(final Throwable failure, final Object response) {
+ if (failure != null) {
+ LOG.error("Failed to create {} shard", ENTITY_OWNERSHIP_SHARD_NAME, failure);
} else {
LOG.info("Successfully created {} shard", ENTITY_OWNERSHIP_SHARD_NAME);
}
}
- }, datastore.getActorContext().getClientDispatcher());
+ }, context.getClientDispatcher());
+
+ return new DistributedEntityOwnershipService(context);
}
private void executeEntityOwnershipShardOperation(final ActorRef shardActor, final Object message) {
- Future<Object> future = datastore.getActorContext().executeOperationAsync(shardActor, message, MESSAGE_TIMEOUT);
+ Future<Object> future = context.executeOperationAsync(shardActor, message, MESSAGE_TIMEOUT);
future.onComplete(new OnComplete<Object>() {
@Override
- public void onComplete(Throwable failure, Object response) {
- if(failure != null) {
+ public void onComplete(final Throwable failure, final Object response) {
+ if (failure != null) {
LOG.debug("Error sending message {} to {}", message, shardActor, failure);
} else {
- LOG.debug("{} message to {} succeeded", message, shardActor, failure);
+ LOG.debug("{} message to {} succeeded", message, shardActor);
}
}
- }, datastore.getActorContext().getClientDispatcher());
+ }, context.getClientDispatcher());
}
- private void executeLocalEntityOwnershipShardOperation(final Object message) {
- if(localEntityOwnershipShard == null) {
- Future<ActorRef> future = datastore.getActorContext().findLocalShardAsync(ENTITY_OWNERSHIP_SHARD_NAME);
+ @VisibleForTesting
+ void executeLocalEntityOwnershipShardOperation(final Object message) {
+ if (localEntityOwnershipShard == null) {
+ Future<ActorRef> future = context.findLocalShardAsync(ENTITY_OWNERSHIP_SHARD_NAME);
future.onComplete(new OnComplete<ActorRef>() {
@Override
- public void onComplete(Throwable failure, ActorRef shardActor) {
- if(failure != null) {
+ public void onComplete(final Throwable failure, final ActorRef shardActor) {
+ if (failure != null) {
LOG.error("Failed to find local {} shard", ENTITY_OWNERSHIP_SHARD_NAME, failure);
} else {
localEntityOwnershipShard = shardActor;
executeEntityOwnershipShardOperation(localEntityOwnershipShard, message);
}
}
- }, datastore.getActorContext().getClientDispatcher());
+ }, context.getClientDispatcher());
} else {
executeEntityOwnershipShardOperation(localEntityOwnershipShard, message);
}
@Override
- public EntityOwnershipCandidateRegistration registerCandidate(Entity entity)
+ public DOMEntityOwnershipCandidateRegistration registerCandidate(final DOMEntity entity)
throws CandidateAlreadyRegisteredException {
Preconditions.checkNotNull(entity, "entity cannot be null");
- if(registeredEntities.putIfAbsent(entity, entity) != null) {
+ if (registeredEntities.putIfAbsent(entity, entity) != null) {
throw new CandidateAlreadyRegisteredException(entity);
}
return new DistributedEntityOwnershipCandidateRegistration(entity, this);
}
- void unregisterCandidate(Entity entity) {
+ void unregisterCandidate(final DOMEntity entity) {
LOG.debug("Unregistering candidate for {}", entity);
executeLocalEntityOwnershipShardOperation(new UnregisterCandidateLocal(entity));
}
@Override
- public EntityOwnershipListenerRegistration registerListener(String entityType, EntityOwnershipListener listener) {
+ public DOMEntityOwnershipListenerRegistration registerListener(final String entityType,
+ final DOMEntityOwnershipListener listener) {
Preconditions.checkNotNull(entityType, "entityType cannot be null");
Preconditions.checkNotNull(listener, "listener cannot be null");
}
@Override
- public Optional<EntityOwnershipState> getOwnershipState(Entity forEntity) {
+ public Optional<EntityOwnershipState> getOwnershipState(final DOMEntity forEntity) {
Preconditions.checkNotNull(forEntity, "forEntity cannot be null");
DataTree dataTree = getLocalEntityOwnershipShardDataTree();
- if(dataTree == null) {
+ if (dataTree == null) {
+ return Optional.absent();
+ }
+
+ java.util.Optional<NormalizedNode<?, ?>> entityNode = dataTree.takeSnapshot().readNode(
+ entityPath(forEntity.getType(), forEntity.getIdentifier()));
+ if (!entityNode.isPresent()) {
return Optional.absent();
}
- Optional<NormalizedNode<?, ?>> entityNode = dataTree.takeSnapshot().readNode(
- entityPath(forEntity.getType(), forEntity.getId()));
- if(!entityNode.isPresent()) {
+ // Check if there are any candidates, if there are none we do not really have ownership state
+ final MapEntryNode entity = (MapEntryNode) entityNode.get();
+ final java.util.Optional<DataContainerChild<? extends PathArgument, ?>> optionalCandidates =
+ entity.getChild(CANDIDATE_NODE_ID);
+ final boolean hasCandidates = optionalCandidates.isPresent()
+ && ((MapNode) optionalCandidates.get()).getValue().size() > 0;
+ if (!hasCandidates) {
return Optional.absent();
}
- String localMemberName = datastore.getActorContext().getCurrentMemberName();
- Optional<DataContainerChild<? extends PathArgument, ?>> ownerLeaf = ((MapEntryNode)entityNode.get()).
- getChild(ENTITY_OWNER_NODE_ID);
+ MemberName localMemberName = context.getCurrentMemberName();
+ java.util.Optional<DataContainerChild<? extends PathArgument, ?>> ownerLeaf = entity.getChild(
+ ENTITY_OWNER_NODE_ID);
String owner = ownerLeaf.isPresent() ? ownerLeaf.get().getValue().toString() : null;
boolean hasOwner = !Strings.isNullOrEmpty(owner);
- boolean isOwner = hasOwner && localMemberName.equals(owner);
+ boolean isOwner = hasOwner && localMemberName.getName().equals(owner);
- return Optional.of(new EntityOwnershipState(isOwner, hasOwner));
+ return Optional.of(EntityOwnershipState.from(isOwner, hasOwner));
}
@Override
- public boolean isCandidateRegistered(@Nonnull Entity entity) {
+ public boolean isCandidateRegistered(@Nonnull final DOMEntity entity) {
return registeredEntities.get(entity) != null;
}
- private DataTree getLocalEntityOwnershipShardDataTree() {
- if(localEntityOwnershipShardDataTree == null) {
+ @VisibleForTesting
+ @SuppressWarnings("checkstyle:IllegalCatch")
+ DataTree getLocalEntityOwnershipShardDataTree() {
+ if (localEntityOwnershipShardDataTree == null) {
try {
- if(localEntityOwnershipShard == null) {
- localEntityOwnershipShard = Await.result(datastore.getActorContext().findLocalShardAsync(
+ if (localEntityOwnershipShard == null) {
+ localEntityOwnershipShard = Await.result(context.findLocalShardAsync(
ENTITY_OWNERSHIP_SHARD_NAME), Duration.Inf());
}
return localEntityOwnershipShardDataTree;
}
- void unregisterListener(String entityType, EntityOwnershipListener listener) {
+ void unregisterListener(final String entityType, final DOMEntityOwnershipListener listener) {
LOG.debug("Unregistering listener {} for entity type {}", listener, entityType);
executeLocalEntityOwnershipShardOperation(new UnregisterListenerLocal(listener, entityType));
public void close() {
}
- protected EntityOwnershipShard.Builder newShardBuilder() {
- return EntityOwnershipShard.newBuilder().localMemberName(datastore.getActorContext().getCurrentMemberName())
- .ownerSelectionStrategyConfig(this.strategyConfig);
+ private static EntityOwnershipShard.Builder newShardBuilder(final ActorContext context,
+ final EntityOwnerSelectionStrategyConfig strategyConfig) {
+ return EntityOwnershipShard.newBuilder().localMemberName(context.getCurrentMemberName())
+ .ownerSelectionStrategyConfig(strategyConfig);
}
@VisibleForTesting
Code Review / controller.git / blobdiff