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=32de47f451d9ff53f301339975357440e651bea5;hp=737f57bf5d7314536f5fc20b1cbc45167f1b6e97;hb=b5167b9bc04f2792b275cfe0eac78c0f5eb9442d;hpb=c222e37f2a0f0f3f6266242fbea2d3b018f4e6e3 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 737f57bf5d..32de47f451 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 @@ -11,38 +11,28 @@ package org.opendaylight.controller.cluster.datastore; import akka.actor.ActorRef; import akka.actor.PoisonPill; import akka.actor.Props; -import akka.event.Logging; -import akka.event.LoggingAdapter; +import akka.actor.ReceiveTimeout; import akka.japi.Creator; import com.google.common.base.Optional; -import com.google.common.util.concurrent.ListenableFuture; +import com.google.common.util.concurrent.CheckedFuture; +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; import org.opendaylight.controller.cluster.datastore.messages.CloseTransactionReply; -import org.opendaylight.controller.cluster.datastore.messages.DeleteData; -import org.opendaylight.controller.cluster.datastore.messages.DeleteDataReply; -import org.opendaylight.controller.cluster.datastore.messages.MergeData; -import org.opendaylight.controller.cluster.datastore.messages.MergeDataReply; +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.cluster.datastore.messages.ReadyTransaction; -import org.opendaylight.controller.cluster.datastore.messages.ReadyTransactionReply; -import org.opendaylight.controller.cluster.datastore.messages.WriteData; -import org.opendaylight.controller.cluster.datastore.messages.WriteDataReply; -import org.opendaylight.controller.cluster.datastore.modification.CompositeModification; -import org.opendaylight.controller.cluster.datastore.modification.DeleteModification; -import org.opendaylight.controller.cluster.datastore.modification.ImmutableCompositeModification; -import org.opendaylight.controller.cluster.datastore.modification.MergeModification; -import org.opendaylight.controller.cluster.datastore.modification.MutableCompositeModification; -import org.opendaylight.controller.cluster.datastore.modification.WriteModification; +import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException; +import org.opendaylight.controller.sal.core.spi.data.DOMStoreReadTransaction; import org.opendaylight.controller.sal.core.spi.data.DOMStoreReadWriteTransaction; -import org.opendaylight.controller.sal.core.spi.data.DOMStoreThreePhaseCommitCohort; -import org.opendaylight.controller.sal.core.spi.data.DOMStoreTransactionChain; +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; -import java.util.concurrent.ExecutionException; - /** * The ShardTransaction Actor represents a remote transaction *

@@ -65,170 +55,148 @@ import java.util.concurrent.ExecutionException; *

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

    */ -public class ShardTransaction extends AbstractUntypedActor { +public abstract class ShardTransaction extends AbstractUntypedActorWithMetering { private final ActorRef shardActor; private final SchemaContext schemaContext; + private final ShardStats shardStats; + private final String transactionID; + protected static final boolean SERIALIZED_REPLY = true; - // FIXME : see below - // If transactionChain is not null then this transaction is part of a - // transactionChain. Not really clear as to what that buys us - private final DOMStoreTransactionChain transactionChain; - - private final DOMStoreReadWriteTransaction transaction; - - private final MutableCompositeModification modification = - new MutableCompositeModification(); - - private final LoggingAdapter log = - Logging.getLogger(getContext().system(), this); - - public ShardTransaction(DOMStoreReadWriteTransaction transaction, - ActorRef shardActor, SchemaContext schemaContext) { - this(null, transaction, shardActor, schemaContext); - } - - public ShardTransaction(DOMStoreTransactionChain transactionChain, DOMStoreReadWriteTransaction transaction, - ActorRef shardActor, SchemaContext schemaContext) { - this.transactionChain = transactionChain; - this.transaction = transaction; + protected ShardTransaction(ActorRef shardActor, SchemaContext schemaContext, + ShardStats shardStats, String transactionID) { + 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; } + 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)); + } + protected abstract DOMStoreTransaction getDOMStoreTransaction(); - public static Props props(final DOMStoreReadWriteTransaction transaction, - final ActorRef shardActor, final SchemaContext schemaContext) { - return Props.create(new Creator() { + protected ActorRef getShardActor() { + return shardActor; + } - @Override - public ShardTransaction create() throws Exception { - return new ShardTransaction(transaction, shardActor, schemaContext); - } - }); + protected String getTransactionID() { + return transactionID; } - public static Props props(final DOMStoreTransactionChain transactionChain, final DOMStoreReadWriteTransaction transaction, - final ActorRef shardActor, final SchemaContext schemaContext) { - return Props.create(new Creator() { + protected SchemaContext getSchemaContext() { + return schemaContext; + } - @Override - public ShardTransaction create() throws Exception { - return new ShardTransaction(transactionChain, transaction, shardActor, schemaContext); + @Override + public void handleReceive(Object message) throws Exception { + if (message.getClass().equals(CloseTransaction.SERIALIZABLE_CLASS)) { + closeTransaction(true); + } else if (message instanceof ReceiveTimeout) { + if(LOG.isDebugEnabled()) { + LOG.debug("Got ReceiveTimeout for inactivity - closing Tx"); } - }); + closeTransaction(false); + } else { + throw new UnknownMessageException(message); + } } + private void closeTransaction(boolean sendReply) { + getDOMStoreTransaction().close(); - @Override - public void handleReceive(Object message) throws Exception { - if (ReadData.SERIALIZABLE_CLASS.equals(message.getClass())) { - readData(ReadData.fromSerializable(message)); - } else if (WriteData.SERIALIZABLE_CLASS.equals(message.getClass())) { - writeData(WriteData.fromSerializable(message, schemaContext)); - } else if (MergeData.SERIALIZABLE_CLASS.equals(message.getClass())) { - mergeData(MergeData.fromSerializable(message, schemaContext)); - } else if (DeleteData.SERIALIZABLE_CLASS.equals(message.getClass())) { - deleteData(DeleteData.fromSerizalizable(message)); - } else if (ReadyTransaction.SERIALIZABLE_CLASS.equals(message.getClass())) { - readyTransaction(new ReadyTransaction()); - } else if (message.getClass().equals(CloseTransaction.SERIALIZABLE_CLASS)) { - closeTransaction(new CloseTransaction()); - } else if (message instanceof GetCompositedModification) { - // This is here for testing only - getSender().tell(new GetCompositeModificationReply( - new ImmutableCompositeModification(modification)), getSelf()); - }else{ - throw new Exception ("Shard:handleRecieve received an unknown message"+message); + if(sendReply) { + getSender().tell(new CloseTransactionReply().toSerializable(), getSelf()); } + + getSelf().tell(PoisonPill.getInstance(), getSelf()); } - private void readData(ReadData message) { + protected void readData(DOMStoreReadTransaction transaction, ReadData message, final boolean returnSerialized) { final ActorRef sender = getSender(); final ActorRef self = getSelf(); final YangInstanceIdentifier path = message.getPath(); - final ListenableFuture>> future = - transaction.read(path); + final CheckedFuture>, ReadFailedException> future = + transaction.read(path); + future.addListener(new Runnable() { @Override public void run() { try { - Optional> optional = future.get(); - if (optional.isPresent()) { - sender.tell(new ReadDataReply(schemaContext,optional.get()).toSerializable(), self); - } else { - sender.tell(new ReadDataReply(schemaContext,null).toSerializable(), self); - } - } catch (InterruptedException | ExecutionException e) { - log.error(e, - "An exception happened when reading data from path : " - + path.toString()); + Optional> optional = future.checkedGet(); + ReadDataReply readDataReply = new ReadDataReply(schemaContext, optional.orNull()); + + sender.tell((returnSerialized ? readDataReply.toSerializable(): + readDataReply), self); + + } catch (Exception e) { + shardStats.incrementFailedReadTransactionsCount(); + sender.tell(new akka.actor.Status.Failure(e), self); } } }, getContext().dispatcher()); } + protected void dataExists(DOMStoreReadTransaction transaction, DataExists message, + final boolean returnSerialized) { + final YangInstanceIdentifier path = message.getPath(); - private void writeData(WriteData message) { - modification.addModification( - new WriteModification(message.getPath(), message.getData(),schemaContext)); - LOG.debug("writeData at path : " + message.getPath().toString()); - transaction.write(message.getPath(), message.getData()); - getSender().tell(new WriteDataReply().toSerializable(), getSelf()); - } - - private void mergeData(MergeData message) { - modification.addModification( - new MergeModification(message.getPath(), message.getData(), schemaContext)); - LOG.debug("mergeData at path : " + message.getPath().toString()); - transaction.merge(message.getPath(), message.getData()); - getSender().tell(new MergeDataReply().toSerializable(), getSelf()); - } - - private void deleteData(DeleteData message) { - modification.addModification(new DeleteModification(message.getPath())); - transaction.delete(message.getPath()); - getSender().tell(new DeleteDataReply().toSerializable(), getSelf()); - } - - private void readyTransaction(ReadyTransaction message) { - DOMStoreThreePhaseCommitCohort cohort = transaction.ready(); - ActorRef cohortActor = getContext().actorOf( - ThreePhaseCommitCohort.props(cohort, shardActor, modification), "cohort"); - getSender() - .tell(new ReadyTransactionReply(cohortActor.path()).toSerializable(), getSelf()); - - } - - private void closeTransaction(CloseTransaction message) { - transaction.close(); - getSender().tell(new CloseTransactionReply().toSerializable(), getSelf()); - getSelf().tell(PoisonPill.getInstance(), getSelf()); - } - - - // These classes are in here for test purposes only - - - static class GetCompositedModification { + try { + Boolean exists = transaction.exists(path).checkedGet(); + DataExistsReply dataExistsReply = new DataExistsReply(exists); + getSender().tell(returnSerialized ? dataExistsReply.toSerializable() : + dataExistsReply, getSelf()); + } catch (ReadFailedException e) { + getSender().tell(new akka.actor.Status.Failure(e),getSelf()); + } } - - static class GetCompositeModificationReply { - private final CompositeModification modification; - - - GetCompositeModificationReply(CompositeModification modification) { - this.modification = modification; + private static class ShardTransactionCreator implements Creator { + + private static final long serialVersionUID = 1L; + + final DOMStoreTransaction transaction; + final ActorRef shardActor; + final SchemaContext schemaContext; + final DatastoreContext datastoreContext; + final ShardStats shardStats; + final String transactionID; + + ShardTransactionCreator(DOMStoreTransaction transaction, ActorRef shardActor, + SchemaContext schemaContext, DatastoreContext datastoreContext, + ShardStats shardStats, String transactionID) { + this.transaction = transaction; + this.shardActor = shardActor; + this.shardStats = shardStats; + this.schemaContext = schemaContext; + this.datastoreContext = datastoreContext; + this.transactionID = transactionID; } + @Override + public ShardTransaction create() throws Exception { + ShardTransaction tx; + if(transaction instanceof DOMStoreReadWriteTransaction) { + tx = new ShardReadWriteTransaction((DOMStoreReadWriteTransaction)transaction, + shardActor, schemaContext, shardStats, transactionID); + } else if(transaction instanceof DOMStoreReadTransaction) { + tx = new ShardReadTransaction((DOMStoreReadTransaction)transaction, shardActor, + schemaContext, shardStats, transactionID); + } else { + tx = new ShardWriteTransaction((DOMStoreWriteTransaction)transaction, + shardActor, schemaContext, shardStats, transactionID); + } - public CompositeModification getModification() { - return modification; + tx.getContext().setReceiveTimeout(datastoreContext.getShardTransactionIdleTimeout()); + return tx; } } }