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=af25df13d2865ba867d6a529d3ad947101b1510a;hp=5289ad33bfb2b2bc3a5008c0211ffccc3b077721;hb=8fe43e73969a8f189b76dd021c9e84146473a596;hpb=1222784937d4cb70662f066779133ab2bdd27cfc 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 5289ad33bf..af25df13d2 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 @@ -15,7 +15,7 @@ import akka.actor.ReceiveTimeout; import akka.japi.Creator; import com.google.common.base.Optional; import com.google.common.util.concurrent.CheckedFuture; -import org.opendaylight.controller.cluster.common.actor.AbstractUntypedActor; +import org.opendaylight.controller.cluster.common.actor.AbstractUntypedActorWithMetering; import org.opendaylight.controller.cluster.datastore.exceptions.UnknownMessageException; import org.opendaylight.controller.cluster.datastore.jmx.mbeans.shard.ShardStats; import org.opendaylight.controller.cluster.datastore.messages.CloseTransaction; @@ -39,12 +39,6 @@ import org.opendaylight.yangtools.yang.model.api.SchemaContext; * The ShardTransaction Actor delegates all actions to DOMDataReadWriteTransaction *

*

- * Even though the DOMStore and the DOMStoreTransactionChain implement multiple types of transactions - * the ShardTransaction Actor only works with read-write transactions. This is just to keep the logic simple. At this - * time there are no known advantages for creating a read-only or write-only transaction which may change over time - * at which point we can optimize things in the distributed store as well. - *

- *

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

  • {@link org.opendaylight.controller.cluster.datastore.messages.ReadData} @@ -55,27 +49,31 @@ import org.opendaylight.yangtools.yang.model.api.SchemaContext; *
  • {@link org.opendaylight.controller.cluster.datastore.messages.CloseTransaction} *

    */ -public abstract class ShardTransaction extends AbstractUntypedActor { +public abstract class ShardTransaction extends AbstractUntypedActorWithMetering { + + protected static final boolean SERIALIZED_REPLY = true; private final ActorRef shardActor; private final SchemaContext schemaContext; private final ShardStats shardStats; private final String transactionID; - protected static final boolean SERIALIZED_REPLY = true; + private final short clientTxVersion; protected ShardTransaction(ActorRef shardActor, SchemaContext schemaContext, - ShardStats shardStats, String transactionID) { + ShardStats shardStats, String transactionID, short clientTxVersion) { + super("shard-tx"); //actor name override used for metering. This does not change the "real" actor name this.shardActor = shardActor; this.schemaContext = schemaContext; this.shardStats = shardStats; this.transactionID = transactionID; + this.clientTxVersion = clientTxVersion; } public static Props props(DOMStoreTransaction transaction, ActorRef shardActor, SchemaContext schemaContext,DatastoreContext datastoreContext, ShardStats shardStats, - String transactionID) { + String transactionID, short txnClientVersion) { return Props.create(new ShardTransactionCreator(transaction, shardActor, schemaContext, - datastoreContext, shardStats, transactionID)); + datastoreContext, shardStats, transactionID, txnClientVersion)); } protected abstract DOMStoreTransaction getDOMStoreTransaction(); @@ -92,6 +90,10 @@ public abstract class ShardTransaction extends AbstractUntypedActor { return schemaContext; } + protected short getClientTxVersion() { + return clientTxVersion; + } + @Override public void handleReceive(Object message) throws Exception { if (message.getClass().equals(CloseTransaction.SERIALIZABLE_CLASS)) { @@ -106,41 +108,36 @@ public abstract class ShardTransaction extends AbstractUntypedActor { } } + protected boolean returnCloseTransactionReply() { + return true; + } + private void closeTransaction(boolean sendReply) { getDOMStoreTransaction().close(); - if(sendReply) { - getSender().tell(new CloseTransactionReply().toSerializable(), getSelf()); + if(sendReply && returnCloseTransactionReply()) { + getSender().tell(CloseTransactionReply.INSTANCE.toSerializable(), getSelf()); } getSelf().tell(PoisonPill.getInstance(), getSelf()); } - protected void readData(DOMStoreReadTransaction transaction, ReadData message, final boolean returnSerialized) { - final ActorRef sender = getSender(); - final ActorRef self = getSelf(); - final YangInstanceIdentifier path = message.getPath(); - final CheckedFuture>, ReadFailedException> future = - transaction.read(path); - - - future.addListener(new Runnable() { - @Override - public void run() { - try { - Optional> optional = future.checkedGet(); - ReadDataReply readDataReply = new ReadDataReply(schemaContext, optional.orNull()); + protected void readData(DOMStoreReadTransaction transaction, ReadData message, + final boolean returnSerialized) { - sender.tell((returnSerialized ? readDataReply.toSerializable(): - readDataReply), self); + final YangInstanceIdentifier path = message.getPath(); + try { + final CheckedFuture>, ReadFailedException> future = transaction.read(path); + Optional> optional = future.checkedGet(); + ReadDataReply readDataReply = new ReadDataReply(optional.orNull()); - } catch (Exception e) { - shardStats.incrementFailedReadTransactionsCount(); - sender.tell(new akka.actor.Status.Failure(e), self); - } + sender().tell((returnSerialized ? readDataReply.toSerializable(clientTxVersion): readDataReply), self()); - } - }, getContext().dispatcher()); + } catch (Exception e) { + LOG.debug(String.format("Unexpected error reading path %s", path), e); + shardStats.incrementFailedReadTransactionsCount(); + sender().tell(new akka.actor.Status.Failure(e), self()); + } } protected void dataExists(DOMStoreReadTransaction transaction, DataExists message, @@ -168,16 +165,18 @@ public abstract class ShardTransaction extends AbstractUntypedActor { final DatastoreContext datastoreContext; final ShardStats shardStats; final String transactionID; + final short txnClientVersion; ShardTransactionCreator(DOMStoreTransaction transaction, ActorRef shardActor, SchemaContext schemaContext, DatastoreContext datastoreContext, - ShardStats shardStats, String transactionID) { + ShardStats shardStats, String transactionID, short txnClientVersion) { this.transaction = transaction; this.shardActor = shardActor; this.shardStats = shardStats; this.schemaContext = schemaContext; this.datastoreContext = datastoreContext; this.transactionID = transactionID; + this.txnClientVersion = txnClientVersion; } @Override @@ -185,13 +184,13 @@ public abstract class ShardTransaction extends AbstractUntypedActor { ShardTransaction tx; if(transaction instanceof DOMStoreReadWriteTransaction) { tx = new ShardReadWriteTransaction((DOMStoreReadWriteTransaction)transaction, - shardActor, schemaContext, shardStats, transactionID); + shardActor, schemaContext, shardStats, transactionID, txnClientVersion); } else if(transaction instanceof DOMStoreReadTransaction) { tx = new ShardReadTransaction((DOMStoreReadTransaction)transaction, shardActor, - schemaContext, shardStats, transactionID); + schemaContext, shardStats, transactionID, txnClientVersion); } else { tx = new ShardWriteTransaction((DOMStoreWriteTransaction)transaction, - shardActor, schemaContext, shardStats, transactionID); + shardActor, schemaContext, shardStats, transactionID, txnClientVersion); } tx.getContext().setReceiveTimeout(datastoreContext.getShardTransactionIdleTimeout());