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=066f01b092d701b08556c5fd7319db4d64a6859c;hp=edaf93567859ee68d9f4f01282073fbc7b14e14f;hb=7df9909614131c0870267732277d7aa78501afdc;hpb=c66e710cd61119c4779784571e59cdc3b490673f 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 edaf935678..066f01b092 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; @@ -31,7 +31,6 @@ import org.opendaylight.controller.sal.core.spi.data.DOMStoreTransaction; import org.opendaylight.controller.sal.core.spi.data.DOMStoreWriteTransaction; import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier; import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode; -import org.opendaylight.yangtools.yang.model.api.SchemaContext; /** * The ShardTransaction Actor represents a remote transaction @@ -39,12 +38,6 @@ 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} @@ -55,26 +48,28 @@ 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; + private final short clientTxVersion; - protected ShardTransaction(ActorRef shardActor, SchemaContext schemaContext, - ShardStats shardStats, String transactionID) { + protected ShardTransaction(ActorRef shardActor, 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) { - return Props.create(new ShardTransactionCreator(transaction, shardActor, schemaContext, - datastoreContext, shardStats, transactionID)); + DatastoreContext datastoreContext, ShardStats shardStats, String transactionID, short txnClientVersion) { + return Props.create(new ShardTransactionCreator(transaction, shardActor, + datastoreContext, shardStats, transactionID, txnClientVersion)); } protected abstract DOMStoreTransaction getDOMStoreTransaction(); @@ -87,8 +82,8 @@ public abstract class ShardTransaction extends AbstractUntypedActor { return transactionID; } - protected SchemaContext getSchemaContext() { - return schemaContext; + protected short getClientTxVersion() { + return clientTxVersion; } @Override @@ -105,48 +100,47 @@ 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 ActorRef sender = getSender(); - final ActorRef self = getSelf(); + protected void readData(DOMStoreReadTransaction transaction, ReadData message, + final boolean returnSerialized) { + 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(); - if (optional.isPresent()) { - sender.tell(new ReadDataReply(schemaContext,optional.get()).toSerializable(), self); - } else { - sender.tell(new ReadDataReply(schemaContext,null).toSerializable(), self); - } - } catch (Exception e) { - shardStats.incrementFailedReadTransactionsCount(); - sender.tell(new akka.actor.Status.Failure(e), self); - } + try { + final CheckedFuture>, ReadFailedException> future = transaction.read(path); + Optional> optional = future.checkedGet(); + ReadDataReply readDataReply = new ReadDataReply(optional.orNull(), clientTxVersion); - } - }, getContext().dispatcher()); + sender().tell((returnSerialized ? readDataReply.toSerializable(): readDataReply), self()); + + } 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) { + protected void dataExists(DOMStoreReadTransaction transaction, DataExists message, + final boolean returnSerialized) { final YangInstanceIdentifier path = message.getPath(); try { Boolean exists = transaction.exists(path).checkedGet(); - getSender().tell(new DataExistsReply(exists).toSerializable(), getSelf()); + DataExistsReply dataExistsReply = new DataExistsReply(exists); + getSender().tell(returnSerialized ? dataExistsReply.toSerializable() : + dataExistsReply, getSelf()); } catch (ReadFailedException e) { getSender().tell(new akka.actor.Status.Failure(e),getSelf()); } @@ -159,20 +153,19 @@ public abstract class ShardTransaction extends AbstractUntypedActor { final DOMStoreTransaction transaction; final ActorRef shardActor; - final SchemaContext schemaContext; 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) { + DatastoreContext datastoreContext, 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 @@ -180,13 +173,13 @@ public abstract class ShardTransaction extends AbstractUntypedActor { ShardTransaction tx; if(transaction instanceof DOMStoreReadWriteTransaction) { tx = new ShardReadWriteTransaction((DOMStoreReadWriteTransaction)transaction, - shardActor, schemaContext, shardStats, transactionID); + shardActor, shardStats, transactionID, txnClientVersion); } else if(transaction instanceof DOMStoreReadTransaction) { tx = new ShardReadTransaction((DOMStoreReadTransaction)transaction, shardActor, - schemaContext, shardStats, transactionID); + shardStats, transactionID, txnClientVersion); } else { tx = new ShardWriteTransaction((DOMStoreWriteTransaction)transaction, - shardActor, schemaContext, shardStats, transactionID); + shardActor, shardStats, transactionID, txnClientVersion); } tx.getContext().setReceiveTimeout(datastoreContext.getShardTransactionIdleTimeout());