X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?p=controller.git;a=blobdiff_plain;f=opendaylight%2Fmd-sal%2Fsal-distributed-datastore%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fcluster%2Fdatastore%2FShardTransaction.java;h=9e50f17d19b99d4677e0253f2062bf518c51daab;hp=c2a05a6d6130a3d3b28dd9879eebef70dcaf9e65;hb=987e2e706d0b343304142626bc870f3e8c909b51;hpb=5db008370b529e46305931f94e937f8b332ec299 diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/ShardTransaction.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/ShardTransaction.java index c2a05a6d61..9e50f17d19 100644 --- a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/ShardTransaction.java +++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/ShardTransaction.java @@ -5,16 +5,17 @@ * terms of the Eclipse Public License v1.0 which accompanies this distribution, * and is available at http://www.eclipse.org/legal/epl-v10.html */ - package org.opendaylight.controller.cluster.datastore; +import static java.util.Objects.requireNonNull; + import akka.actor.ActorRef; import akka.actor.PoisonPill; import akka.actor.Props; import akka.actor.ReceiveTimeout; import akka.japi.Creator; -import com.google.common.base.Optional; -import com.google.common.base.Preconditions; +import edu.umd.cs.findbugs.annotations.SuppressFBWarnings; +import org.opendaylight.controller.cluster.access.concepts.TransactionIdentifier; import org.opendaylight.controller.cluster.common.actor.AbstractUntypedActorWithMetering; import org.opendaylight.controller.cluster.datastore.jmx.mbeans.shard.ShardStats; import org.opendaylight.controller.cluster.datastore.messages.CloseTransaction; @@ -23,38 +24,30 @@ import org.opendaylight.controller.cluster.datastore.messages.DataExists; import org.opendaylight.controller.cluster.datastore.messages.DataExistsReply; import org.opendaylight.controller.cluster.datastore.messages.ReadData; import org.opendaylight.controller.cluster.datastore.messages.ReadDataReply; -import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException; +import org.opendaylight.mdsal.common.api.ReadFailedException; import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier; -import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode; /** - * The ShardTransaction Actor represents a remote transaction - *

- * The ShardTransaction Actor delegates all actions to DOMDataReadWriteTransaction - *

- *

- * Handles Messages
- * ----------------
- *

  • {@link org.opendaylight.controller.cluster.datastore.messages.ReadData} - *
  • {@link org.opendaylight.controller.cluster.datastore.messages.CloseTransaction} - *

    + * The ShardTransaction Actor represents a remote transaction that delegates all actions to DOMDataReadWriteTransaction. */ public abstract class ShardTransaction extends AbstractUntypedActorWithMetering { private final ActorRef shardActor; private final ShardStats shardStats; - private final String transactionID; + private final TransactionIdentifier transactionId; - protected ShardTransaction(ActorRef shardActor, ShardStats shardStats, String transactionID) { - super("shard-tx"); //actor name override used for metering. This does not change the "real" actor name + protected ShardTransaction(final ActorRef shardActor, final ShardStats shardStats, + final TransactionIdentifier transactionId) { + // actor name override used for metering. This does not change the "real" actor name + super("shard-tx"); this.shardActor = shardActor; this.shardStats = shardStats; - this.transactionID = Preconditions.checkNotNull(transactionID); + this.transactionId = requireNonNull(transactionId); } - public static Props props(TransactionType type, AbstractShardDataTreeTransaction transaction, ActorRef shardActor, - DatastoreContext datastoreContext, ShardStats shardStats, String transactionID) { - return Props.create(new ShardTransactionCreator(type, transaction, shardActor, - datastoreContext, shardStats, transactionID)); + public static Props props(final TransactionType type, final AbstractShardDataTreeTransaction transaction, + final ActorRef shardActor, final DatastoreContext datastoreContext, final ShardStats shardStats) { + return Props.create(ShardTransaction.class, + new ShardTransactionCreator(type, transaction, shardActor, datastoreContext, shardStats)); } protected abstract AbstractShardDataTreeTransaction getDOMStoreTransaction(); @@ -63,16 +56,16 @@ public abstract class ShardTransaction extends AbstractUntypedActorWithMetering return shardActor; } - protected String getTransactionID() { - return transactionID; + protected final TransactionIdentifier getTransactionId() { + return transactionId; } @Override - public void handleReceive(Object message) { + public void handleReceive(final Object message) { if (CloseTransaction.isSerializedType(message)) { closeTransaction(true); } else if (message instanceof ReceiveTimeout) { - LOG.debug("Got ReceiveTimeout for inactivity - closing transaction {}", transactionID); + LOG.debug("Got ReceiveTimeout for inactivity - closing transaction {}", transactionId); closeTransaction(false); } else { unknownMessage(message); @@ -83,37 +76,38 @@ public abstract class ShardTransaction extends AbstractUntypedActorWithMetering return true; } - private void closeTransaction(boolean sendReply) { - getDOMStoreTransaction().abort(); + private void closeTransaction(final boolean sendReply) { + getDOMStoreTransaction().abortFromTransactionActor(); - if(sendReply && returnCloseTransactionReply()) { + if (sendReply && returnCloseTransactionReply()) { getSender().tell(new CloseTransactionReply(), getSelf()); } getSelf().tell(PoisonPill.getInstance(), getSelf()); } - private boolean checkClosed(AbstractShardDataTreeTransaction transaction) { + private boolean checkClosed(final AbstractShardDataTreeTransaction transaction) { final boolean ret = transaction.isClosed(); if (ret) { shardStats.incrementFailedReadTransactionsCount(); - getSender().tell(new akka.actor.Status.Failure(new ReadFailedException("Transaction is closed")), getSelf()); + getSender().tell(new akka.actor.Status.Failure(new ReadFailedException("Transaction is closed")), + getSelf()); } return ret; } - protected void readData(AbstractShardDataTreeTransaction transaction, ReadData message) { + protected void readData(final AbstractShardDataTreeTransaction transaction, final ReadData message) { if (checkClosed(transaction)) { return; } final YangInstanceIdentifier path = message.getPath(); - Optional> optional = transaction.getSnapshot().readNode(path); - ReadDataReply readDataReply = new ReadDataReply(optional.orNull(), message.getVersion()); + ReadDataReply readDataReply = new ReadDataReply(transaction.getSnapshot().readNode(path).orElse(null), + message.getVersion()); sender().tell(readDataReply.toSerializable(), self()); } - protected void dataExists(AbstractShardDataTreeTransaction transaction, DataExists message) { + protected void dataExists(final AbstractShardDataTreeTransaction transaction, final DataExists message) { if (checkClosed(transaction)) { return; } @@ -123,6 +117,8 @@ public abstract class ShardTransaction extends AbstractUntypedActorWithMetering getSender().tell(new DataExistsReply(exists, message.getVersion()).toSerializable(), getSelf()); } + @SuppressFBWarnings(value = "SE_BAD_FIELD", justification = "Some fields are not Serializable but we don't " + + "create remote instances of this actor and thus don't need it to be Serializable.") private static class ShardTransactionCreator implements Creator { private static final long serialVersionUID = 1L; @@ -131,37 +127,34 @@ public abstract class ShardTransaction extends AbstractUntypedActorWithMetering final ActorRef shardActor; final DatastoreContext datastoreContext; final ShardStats shardStats; - final String transactionID; final TransactionType type; - ShardTransactionCreator(TransactionType type, AbstractShardDataTreeTransaction transaction, ActorRef shardActor, - DatastoreContext datastoreContext, ShardStats shardStats, String transactionID) { - this.transaction = Preconditions.checkNotNull(transaction); + ShardTransactionCreator(final TransactionType type, final AbstractShardDataTreeTransaction transaction, + final ActorRef shardActor, final DatastoreContext datastoreContext, final ShardStats shardStats) { + this.transaction = requireNonNull(transaction); this.shardActor = shardActor; this.shardStats = shardStats; this.datastoreContext = datastoreContext; - this.transactionID = Preconditions.checkNotNull(transactionID); this.type = type; } @Override - public ShardTransaction create() throws Exception { + public ShardTransaction create() { final ShardTransaction tx; switch (type) { - case READ_ONLY: - tx = new ShardReadTransaction(transaction, shardActor, - shardStats, transactionID); - break; - case READ_WRITE: - tx = new ShardReadWriteTransaction((ReadWriteShardDataTreeTransaction)transaction, - shardActor, shardStats, transactionID); - break; - case WRITE_ONLY: - tx = new ShardWriteTransaction((ReadWriteShardDataTreeTransaction)transaction, - shardActor, shardStats, transactionID); - break; - default: - throw new IllegalArgumentException("Unhandled transaction type " + type); + case READ_ONLY: + tx = new ShardReadTransaction(transaction, shardActor, shardStats); + break; + case READ_WRITE: + tx = new ShardReadWriteTransaction((ReadWriteShardDataTreeTransaction)transaction, shardActor, + shardStats); + break; + case WRITE_ONLY: + tx = new ShardWriteTransaction((ReadWriteShardDataTreeTransaction)transaction, shardActor, + shardStats); + break; + default: + throw new IllegalArgumentException("Unhandled transaction type " + type); } tx.getContext().setReceiveTimeout(datastoreContext.getShardTransactionIdleTimeout());