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%2Fdatabroker%2Factors%2Fdds%2FLocalReadWriteProxyTransaction.java;h=1f1e394932832278cbf0f80edc2936647a292cd6;hb=5041389b273212eb0c643cc071fd48ad1166d864;hp=a41bef9c9e992518c672c418da82769ea6cfdfc9;hpb=85c23944a273c338098997700b14f3a802025bb5;p=controller.git diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/databroker/actors/dds/LocalReadWriteProxyTransaction.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/databroker/actors/dds/LocalReadWriteProxyTransaction.java index a41bef9c9e..1f1e394932 100644 --- a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/databroker/actors/dds/LocalReadWriteProxyTransaction.java +++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/databroker/actors/dds/LocalReadWriteProxyTransaction.java @@ -9,12 +9,18 @@ package org.opendaylight.controller.cluster.databroker.actors.dds; import com.google.common.base.Preconditions; import com.google.common.base.Verify; +import java.util.Optional; +import java.util.OptionalLong; +import java.util.function.BiConsumer; import java.util.function.Consumer; import java.util.function.Supplier; -import javax.annotation.Nullable; -import javax.annotation.concurrent.NotThreadSafe; +import org.eclipse.jdt.annotation.NonNull; +import org.eclipse.jdt.annotation.Nullable; +import org.opendaylight.controller.cluster.access.commands.AbortLocalTransactionRequest; +import org.opendaylight.controller.cluster.access.commands.AbstractLocalTransactionRequest; import org.opendaylight.controller.cluster.access.commands.CommitLocalTransactionRequest; import org.opendaylight.controller.cluster.access.commands.ModifyTransactionRequest; +import org.opendaylight.controller.cluster.access.commands.ModifyTransactionRequestBuilder; import org.opendaylight.controller.cluster.access.commands.PersistenceProtocol; import org.opendaylight.controller.cluster.access.commands.TransactionAbortRequest; import org.opendaylight.controller.cluster.access.commands.TransactionDelete; @@ -40,7 +46,7 @@ import org.slf4j.LoggerFactory; /** * An {@link AbstractProxyTransaction} for dispatching a transaction towards a shard leader which is co-located with - * the client instance. + * the client instance. This class is NOT thread-safe. * *

* It requires a {@link DataTreeSnapshot}, which is used to instantiated a new {@link DataTreeModification}. Operations @@ -53,7 +59,6 @@ import org.slf4j.LoggerFactory; * * @author Robert Varga */ -@NotThreadSafe final class LocalReadWriteProxyTransaction extends LocalProxyTransaction { private static final Logger LOG = LoggerFactory.getLogger(LocalReadWriteProxyTransaction.class); @@ -80,10 +85,16 @@ final class LocalReadWriteProxyTransaction extends LocalProxyTransaction { LocalReadWriteProxyTransaction(final ProxyHistory parent, final TransactionIdentifier identifier, final DataTreeSnapshot snapshot) { - super(parent, identifier); + super(parent, identifier, false); this.modification = (CursorAwareDataTreeModification) snapshot.newModification(); } + LocalReadWriteProxyTransaction(final ProxyHistory parent, final TransactionIdentifier identifier) { + super(parent, identifier, true); + // This is DONE transaction, this should never be touched + this.modification = null; + } + @Override boolean isSnapshotOnly() { return false; @@ -114,7 +125,7 @@ final class LocalReadWriteProxyTransaction extends LocalProxyTransaction { @Override @SuppressWarnings("checkstyle:IllegalCatch") - void doMerge(final YangInstanceIdentifier path, final NormalizedNode data) { + void doMerge(final YangInstanceIdentifier path, final NormalizedNode data) { final CursorAwareDataTreeModification mod = getModification(); if (recordedFailure != null) { LOG.debug("Transaction {} recorded failure, ignoring merge to {}", getIdentifier(), path); @@ -132,7 +143,7 @@ final class LocalReadWriteProxyTransaction extends LocalProxyTransaction { @Override @SuppressWarnings("checkstyle:IllegalCatch") - void doWrite(final YangInstanceIdentifier path, final NormalizedNode data) { + void doWrite(final YangInstanceIdentifier path, final NormalizedNode data) { final CursorAwareDataTreeModification mod = getModification(); if (recordedFailure != null) { LOG.debug("Transaction {} recorded failure, ignoring write to {}", getIdentifier(), path); @@ -165,32 +176,48 @@ final class LocalReadWriteProxyTransaction extends LocalProxyTransaction { return ret; } - @Override - void doSeal() { - Preconditions.checkState(sealedModification == null, "Transaction %s is already sealed", getIdentifier()); + private void sealModification() { + Preconditions.checkState(sealedModification == null, "Transaction %s is already sealed", this); final CursorAwareDataTreeModification mod = getModification(); mod.ready(); sealedModification = mod; } @Override - void flushState(final AbstractProxyTransaction successor) { + boolean sealOnly() { + sealModification(); + return super.sealOnly(); + } + + @Override + boolean sealAndSend(final OptionalLong enqueuedTicks) { + sealModification(); + return super.sealAndSend(enqueuedTicks); + } + + @Override + Optional flushState() { + final ModifyTransactionRequestBuilder b = new ModifyTransactionRequestBuilder(getIdentifier(), localActor()); + b.setSequence(0); + sealedModification.applyToCursor(new AbstractDataTreeModificationCursor() { @Override - public void write(final PathArgument child, final NormalizedNode data) { - successor.write(current().node(child), data); + public void write(final PathArgument child, final NormalizedNode data) { + b.addModification(new TransactionWrite(current().node(child), data)); } @Override - public void merge(final PathArgument child, final NormalizedNode data) { - successor.merge(current().node(child), data); + public void merge(final PathArgument child, final NormalizedNode data) { + b.addModification(new TransactionMerge(current().node(child), data)); } @Override public void delete(final PathArgument child) { - successor.delete(current().node(child)); + b.addModification(new TransactionDelete(current().node(child))); } }); + + return Optional.of(b.build()); } DataTreeSnapshot getSnapshot() { @@ -199,8 +226,20 @@ final class LocalReadWriteProxyTransaction extends LocalProxyTransaction { } @Override - void applyModifyTransactionRequest(final ModifyTransactionRequest request, - final @Nullable Consumer> callback) { + void applyForwardedModifyTransactionRequest(final ModifyTransactionRequest request, + final Consumer> callback) { + commonModifyTransactionRequest(request, callback, this::sendRequest); + } + + @Override + void replayModifyTransactionRequest(final ModifyTransactionRequest request, + final Consumer> callback, final long enqueuedTicks) { + commonModifyTransactionRequest(request, callback, (req, cb) -> enqueueRequest(req, cb, enqueuedTicks)); + } + + private void commonModifyTransactionRequest(final ModifyTransactionRequest request, + final @Nullable Consumer> callback, + final BiConsumer, Consumer>> sendMethod) { for (final TransactionModification mod : request.getModifications()) { if (mod instanceof TransactionWrite) { write(mod.getPath(), ((TransactionWrite)mod).getData()); @@ -213,23 +252,25 @@ final class LocalReadWriteProxyTransaction extends LocalProxyTransaction { } } - final java.util.Optional maybeProtocol = request.getPersistenceProtocol(); + final Optional maybeProtocol = request.getPersistenceProtocol(); if (maybeProtocol.isPresent()) { - Verify.verify(callback != null, "Request {} has null callback", request); - ensureSealed(); + Verify.verify(callback != null, "Request %s has null callback", request); + if (markSealed()) { + sealOnly(); + } switch (maybeProtocol.get()) { case ABORT: - sendAbort(callback); + sendMethod.accept(new AbortLocalTransactionRequest(getIdentifier(), localActor()), callback); break; case READY: - // No-op, as we have already issued a seal() + // No-op, as we have already issued a sealOnly() and we are not transmitting anything break; case SIMPLE: - sendRequest(commitRequest(false), callback); + sendMethod.accept(commitRequest(false), callback); break; case THREE_PHASE: - sendRequest(commitRequest(true), callback); + sendMethod.accept(commitRequest(true), callback); break; default: throw new IllegalArgumentException("Unhandled protocol " + maybeProtocol.get()); @@ -238,8 +279,35 @@ final class LocalReadWriteProxyTransaction extends LocalProxyTransaction { } @Override - void handleForwardedRemoteRequest(final TransactionRequest request, - final @Nullable Consumer> callback) { + void handleReplayedLocalRequest(final AbstractLocalTransactionRequest request, + final Consumer> callback, final long now) { + if (request instanceof CommitLocalTransactionRequest) { + enqueueRequest(rebaseCommit((CommitLocalTransactionRequest)request), callback, now); + } else { + super.handleReplayedLocalRequest(request, callback, now); + } + } + + @Override + void handleReplayedRemoteRequest(final TransactionRequest request, + final Consumer> callback, final long enqueuedTicks) { + LOG.debug("Applying replayed request {}", request); + + if (request instanceof TransactionPreCommitRequest) { + enqueueRequest(new TransactionPreCommitRequest(getIdentifier(), nextSequence(), localActor()), callback, + enqueuedTicks); + } else if (request instanceof TransactionDoCommitRequest) { + enqueueRequest(new TransactionDoCommitRequest(getIdentifier(), nextSequence(), localActor()), callback, + enqueuedTicks); + } else if (request instanceof TransactionAbortRequest) { + enqueueDoAbort(callback, enqueuedTicks); + } else { + super.handleReplayedRemoteRequest(request, callback, enqueuedTicks); + } + } + + @Override + void handleForwardedRemoteRequest(final TransactionRequest request, final Consumer> callback) { LOG.debug("Applying forwarded request {}", request); if (request instanceof TransactionPreCommitRequest) { @@ -247,7 +315,7 @@ final class LocalReadWriteProxyTransaction extends LocalProxyTransaction { } else if (request instanceof TransactionDoCommitRequest) { sendRequest(new TransactionDoCommitRequest(getIdentifier(), nextSequence(), localActor()), callback); } else if (request instanceof TransactionAbortRequest) { - sendAbort(callback); + sendDoAbort(callback); } else { super.handleForwardedRemoteRequest(request, callback); } @@ -258,7 +326,7 @@ final class LocalReadWriteProxyTransaction extends LocalProxyTransaction { final Consumer> callback) { if (request instanceof CommitLocalTransactionRequest) { Verify.verify(successor instanceof LocalReadWriteProxyTransaction); - ((LocalReadWriteProxyTransaction) successor).sendCommit((CommitLocalTransactionRequest)request, callback); + ((LocalReadWriteProxyTransaction) successor).sendRebased((CommitLocalTransactionRequest)request, callback); LOG.debug("Forwarded request {} to successor {}", request, successor); } else { super.forwardToLocal(successor, request, callback); @@ -271,23 +339,37 @@ final class LocalReadWriteProxyTransaction extends LocalProxyTransaction { closedException = this::abortedException; } - private CursorAwareDataTreeModification getModification() { + @Override + void enqueueAbort(final TransactionRequest request, final Consumer> callback, + final long enqueuedTicks) { + super.enqueueAbort(request, callback, enqueuedTicks); + closedException = this::abortedException; + } + + private @NonNull CursorAwareDataTreeModification getModification() { if (closedException != null) { throw closedException.get(); } - return modification; + return Preconditions.checkNotNull(modification, "Transaction %s is DONE", getIdentifier()); + } + + private void sendRebased(final CommitLocalTransactionRequest request, final Consumer> callback) { + sendRequest(rebaseCommit(request), callback); } - private void sendCommit(final CommitLocalTransactionRequest request, final Consumer> callback) { + private CommitLocalTransactionRequest rebaseCommit(final CommitLocalTransactionRequest request) { // Rebase old modification on new data tree. final CursorAwareDataTreeModification mod = getModification(); - try (DataTreeModificationCursor cursor = mod.createCursor(YangInstanceIdentifier.EMPTY)) { + try (DataTreeModificationCursor cursor = mod.openCursor()) { request.getModification().applyToCursor(cursor); } - ensureSealed(); - sendRequest(commitRequest(request.isCoordinated()), callback); + if (markSealed()) { + sealOnly(); + } + + return commitRequest(request.isCoordinated()); } }