X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?a=blobdiff_plain;f=opendaylight%2Fmd-sal%2Fsal-distributed-datastore%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fcluster%2Fdatastore%2FRemoteTransactionContextSupport.java;h=1e0d1279e3e749b9728a3d8cdfc1d61ec59facbc;hb=583f30d1c7a8199b401c9393745c62fe27b5ced8;hp=e160367a1e5faf7fdd5a86435c6eca4f916dfb1e;hpb=04f55157fe04d82c3b33d12d0e44f87517e415e8;p=controller.git diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/RemoteTransactionContextSupport.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/RemoteTransactionContextSupport.java index e160367a1e..1e0d1279e3 100644 --- a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/RemoteTransactionContextSupport.java +++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/RemoteTransactionContextSupport.java @@ -14,9 +14,9 @@ import akka.pattern.AskTimeoutException; import akka.util.Timeout; import com.google.common.base.Preconditions; import java.util.concurrent.TimeUnit; +import org.opendaylight.controller.cluster.access.concepts.TransactionIdentifier; import org.opendaylight.controller.cluster.datastore.exceptions.NoShardLeaderException; import org.opendaylight.controller.cluster.datastore.exceptions.ShardLeaderNotRespondingException; -import org.opendaylight.controller.cluster.datastore.identifiers.TransactionIdentifier; import org.opendaylight.controller.cluster.datastore.messages.CreateTransaction; import org.opendaylight.controller.cluster.datastore.messages.CreateTransactionReply; import org.opendaylight.controller.cluster.datastore.messages.PrimaryShardInfo; @@ -30,7 +30,7 @@ import scala.concurrent.duration.FiniteDuration; * Handles creation of TransactionContext instances for remote transactions. This class creates * remote transactions, if necessary, by sending CreateTransaction messages with retries, up to a limit, * if the shard doesn't have a leader yet. This is done by scheduling a retry task after a short delay. - *

+ *

* The end result from a completed CreateTransaction message is a TransactionContext that is * used to perform transaction operations. Transaction operations that occur before the * CreateTransaction completes are cache via a TransactionContextWrapper and executed once the @@ -59,8 +59,8 @@ final class RemoteTransactionContextSupport { private final TransactionContextWrapper transactionContextWrapper; - RemoteTransactionContextSupport(final TransactionContextWrapper transactionContextWrapper, final TransactionProxy parent, - final String shardName) { + RemoteTransactionContextSupport(final TransactionContextWrapper transactionContextWrapper, + final TransactionProxy parent, final String shardName) { this.parent = Preconditions.checkNotNull(parent); this.shardName = shardName; this.transactionContextWrapper = transactionContextWrapper; @@ -100,8 +100,8 @@ final class RemoteTransactionContextSupport { void setPrimaryShard(PrimaryShardInfo primaryShardInfo) { this.primaryShardInfo = primaryShardInfo; - if (getTransactionType() == TransactionType.WRITE_ONLY && - getActorContext().getDatastoreContext().isWriteOnlyTransactionOptimizationsEnabled()) { + if (getTransactionType() == TransactionType.WRITE_ONLY + && getActorContext().getDatastoreContext().isWriteOnlyTransactionOptimizationsEnabled()) { ActorSelection primaryShard = primaryShardInfo.getPrimaryShardActor(); LOG.debug("Tx {} Primary shard {} found - creating WRITE_ONLY transaction context", @@ -117,16 +117,13 @@ final class RemoteTransactionContextSupport { } /** - * Performs a CreateTransaction try async. + Performs a CreateTransaction try async. */ private void tryCreateTransaction() { - if(LOG.isDebugEnabled()) { - LOG.debug("Tx {} Primary shard {} found - trying create transaction", getIdentifier(), - primaryShardInfo.getPrimaryShardActor()); - } + LOG.debug("Tx {} Primary shard {} found - trying create transaction", getIdentifier(), + primaryShardInfo.getPrimaryShardActor()); - Object serializedCreateMessage = new CreateTransaction(getIdentifier().toString(), - getTransactionType().ordinal(), getIdentifier().getChainId(), + Object serializedCreateMessage = new CreateTransaction(getIdentifier(), getTransactionType().ordinal(), primaryShardInfo.getPrimaryShardVersion()).toSerializable(); Future createTxFuture = getActorContext().executeOperationAsync( @@ -147,15 +144,15 @@ final class RemoteTransactionContextSupport { Future findPrimaryFuture = getActorContext().findPrimaryShardAsync(shardName); findPrimaryFuture.onComplete(new OnComplete() { @Override - public void onComplete(final Throwable failure, final PrimaryShardInfo primaryShardInfo) { - onFindPrimaryShardComplete(failure, primaryShardInfo); + public void onComplete(final Throwable failure, final PrimaryShardInfo newPrimaryShardInfo) { + onFindPrimaryShardComplete(failure, newPrimaryShardInfo); } }, getActorContext().getClientDispatcher()); } - private void onFindPrimaryShardComplete(final Throwable failure, final PrimaryShardInfo primaryShardInfo) { + private void onFindPrimaryShardComplete(final Throwable failure, final PrimaryShardInfo newPrimaryShardInfo) { if (failure == null) { - this.primaryShardInfo = primaryShardInfo; + this.primaryShardInfo = newPrimaryShardInfo; tryCreateTransaction(); } else { LOG.debug("Tx {}: Find primary for shard {} failed", getIdentifier(), shardName, failure); @@ -167,15 +164,15 @@ final class RemoteTransactionContextSupport { private void onCreateTransactionComplete(Throwable failure, Object response) { // An AskTimeoutException will occur if the local shard forwards to an unavailable remote leader or // the cached remote leader actor is no longer available. - boolean retryCreateTransaction = primaryShardInfo != null && - (failure instanceof NoShardLeaderException || failure instanceof AskTimeoutException); - if(retryCreateTransaction) { + boolean retryCreateTransaction = primaryShardInfo != null + && (failure instanceof NoShardLeaderException || failure instanceof AskTimeoutException); + if (retryCreateTransaction) { // Schedule a retry unless we're out of retries. Note: totalCreateTxTimeout is volatile as it may // be written by different threads however not concurrently, therefore decrementing it // non-atomically here is ok. - if(totalCreateTxTimeout > 0) { + if (totalCreateTxTimeout > 0) { long scheduleInterval = CREATE_TX_TRY_INTERVAL_IN_MS; - if(failure instanceof AskTimeoutException) { + if (failure instanceof AskTimeoutException) { // Since we use the createTxMessageTimeout for the CreateTransaction request and it timed // out, subtract it from the total timeout. Also since the createTxMessageTimeout period // has already elapsed, we can immediately schedule the retry (10 ms is virtually immediate). @@ -189,13 +186,8 @@ final class RemoteTransactionContextSupport { getIdentifier(), shardName, failure, scheduleInterval); getActorContext().getActorSystem().scheduler().scheduleOnce( - FiniteDuration.create(scheduleInterval, TimeUnit.MILLISECONDS), - new Runnable() { - @Override - public void run() { - tryFindPrimaryShard(); - } - }, getActorContext().getClientDispatcher()); + FiniteDuration.create(scheduleInterval, TimeUnit.MILLISECONDS), + () -> tryFindPrimaryShard(), getActorContext().getClientDispatcher()); return; } } @@ -213,15 +205,15 @@ final class RemoteTransactionContextSupport { // TransactionOperations. So to avoid thus timing, we don't publish the // TransactionContext until after we've executed all cached TransactionOperations. TransactionContext localTransactionContext; - if(failure != null) { + if (failure != null) { LOG.debug("Tx {} Creating NoOpTransaction because of error", getIdentifier(), failure); Throwable resultingEx = failure; - if(failure instanceof AskTimeoutException) { + if (failure instanceof AskTimeoutException) { resultingEx = new ShardLeaderNotRespondingException(String.format( "Could not create a %s transaction on shard %s. The shard leader isn't responding.", parent.getType(), shardName), failure); - } else if(!(failure instanceof NoShardLeaderException)) { + } else if (!(failure instanceof NoShardLeaderException)) { resultingEx = new Exception(String.format( "Error creating %s transaction on shard %s", parent.getType(), shardName), failure); } @@ -252,8 +244,8 @@ final class RemoteTransactionContextSupport { final TransactionContext ret = new RemoteTransactionContext(transactionContextWrapper.getIdentifier(), transactionActor, getActorContext(), remoteTransactionVersion, transactionContextWrapper.getLimiter()); - if(parent.getType() == TransactionType.READ_ONLY) { - TransactionContextCleanup.track(this, ret); + if (parent.getType() == TransactionType.READ_ONLY) { + TransactionContextCleanup.track(parent, ret); } return ret;