*/
package org.opendaylight.controller.cluster.databroker.actors.dds;
-import com.google.common.base.Optional;
-import com.google.common.base.Preconditions;
-import com.google.common.util.concurrent.CheckedFuture;
-import com.google.common.util.concurrent.Futures;
+import static java.util.Objects.requireNonNull;
+
+import com.google.common.util.concurrent.FluentFuture;
+import java.util.Optional;
import java.util.function.Consumer;
-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.concepts.Response;
import org.opendaylight.controller.cluster.access.concepts.TransactionIdentifier;
import org.opendaylight.controller.cluster.datastore.util.AbstractDataTreeModificationCursor;
-import org.opendaylight.mdsal.common.api.ReadFailedException;
+import org.opendaylight.yangtools.util.concurrent.FluentFutures;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
/**
* 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.
*
* <p>
* It requires a {@link DataTreeSnapshot}, which is used to instantiated a new {@link DataTreeModification}. Operations
*
* @author Robert Varga
*/
-@NotThreadSafe
abstract class LocalProxyTransaction extends AbstractProxyTransaction {
private static final Logger LOG = LoggerFactory.getLogger(LocalProxyTransaction.class);
private final TransactionIdentifier identifier;
- LocalProxyTransaction(final ProxyHistory parent, final TransactionIdentifier identifier) {
- super(parent);
- this.identifier = Preconditions.checkNotNull(identifier);
+ LocalProxyTransaction(final ProxyHistory parent, final TransactionIdentifier identifier, final boolean isDone) {
+ super(parent, isDone);
+ this.identifier = requireNonNull(identifier);
}
@Override
return identifier;
}
- abstract DataTreeSnapshot readOnlyView();
+ abstract @NonNull DataTreeSnapshot readOnlyView();
- abstract void applyModifyTransactionRequest(ModifyTransactionRequest request,
+ abstract void applyForwardedModifyTransactionRequest(ModifyTransactionRequest request,
@Nullable Consumer<Response<?, ?>> callback);
abstract void replayModifyTransactionRequest(ModifyTransactionRequest request,
@Nullable Consumer<Response<?, ?>> callback, long enqueuedTicks);
@Override
- final CheckedFuture<Boolean, ReadFailedException> doExists(final YangInstanceIdentifier path) {
- return Futures.immediateCheckedFuture(readOnlyView().readNode(path).isPresent());
+ final FluentFuture<Boolean> doExists(final YangInstanceIdentifier path) {
+ return FluentFutures.immediateFluentFuture(readOnlyView().readNode(path).isPresent());
}
@Override
- final CheckedFuture<Optional<NormalizedNode<?, ?>>, ReadFailedException> doRead(final YangInstanceIdentifier path) {
- return Futures.immediateCheckedFuture(readOnlyView().readNode(path));
+ final FluentFuture<Optional<NormalizedNode<?, ?>>> doRead(final YangInstanceIdentifier path) {
+ return FluentFutures.immediateFluentFuture(readOnlyView().readNode(path));
}
@Override
- final void doAbort() {
- sendAbort(new AbortLocalTransactionRequest(identifier, localActor()),
- response -> LOG.debug("Transaction {} abort completed with {}", identifier, response));
+ final AbortLocalTransactionRequest abortRequest() {
+ return new AbortLocalTransactionRequest(identifier, localActor());
}
@Override
}
}
- private boolean handleReadRequest(final TransactionRequest<?> request,
- final @Nullable Consumer<Response<?, ?>> callback) {
+ private boolean handleReadRequest(final TransactionRequest<?> request, final Consumer<Response<?, ?>> callback) {
// Note we delay completion of read requests to limit the scope at which the client can run, as they have
// listeners, which we do not want to execute while we are reconnecting.
if (request instanceof ReadTransactionRequest) {
final Optional<NormalizedNode<?, ?>> result = readOnlyView().readNode(path);
if (callback != null) {
// XXX: FB does not see that callback is final, on stack and has be check for non-null.
- final Consumer<Response<?, ?>> fbIsStupid = Preconditions.checkNotNull(callback);
+ final Consumer<Response<?, ?>> fbIsStupid = requireNonNull(callback);
executeInActor(() -> fbIsStupid.accept(new ReadTransactionSuccess(request.getTarget(),
request.getSequence(), result)));
}
final boolean result = readOnlyView().readNode(path).isPresent();
if (callback != null) {
// XXX: FB does not see that callback is final, on stack and has be check for non-null.
- final Consumer<Response<?, ?>> fbIsStupid = Preconditions.checkNotNull(callback);
+ final Consumer<Response<?, ?>> fbIsStupid = requireNonNull(callback);
executeInActor(() -> fbIsStupid.accept(new ExistsTransactionSuccess(request.getTarget(),
request.getSequence(), result)));
}
}
@Override
- void handleReplayedRemoteRequest(final TransactionRequest<?> request,
- final @Nullable Consumer<Response<?, ?>> callback, final long enqueuedTicks) {
+ void handleReplayedRemoteRequest(final TransactionRequest<?> request, final Consumer<Response<?, ?>> callback,
+ final long enqueuedTicks) {
if (request instanceof ModifyTransactionRequest) {
replayModifyTransactionRequest((ModifyTransactionRequest) request, callback, enqueuedTicks);
} else if (handleReadRequest(request, callback)) {
// No-op
} else if (request instanceof TransactionPurgeRequest) {
- enqueuePurge(enqueuedTicks);
+ enqueuePurge(callback, enqueuedTicks);
} else if (request instanceof IncrementTransactionSequenceRequest) {
// Local transactions do not have non-replayable requests which would be visible to the backend,
// hence we can skip sequence increments.
*/
void handleForwardedRemoteRequest(final TransactionRequest<?> request, final Consumer<Response<?, ?>> callback) {
if (request instanceof ModifyTransactionRequest) {
- applyModifyTransactionRequest((ModifyTransactionRequest) request, callback);
+ applyForwardedModifyTransactionRequest((ModifyTransactionRequest) request, callback);
} else if (handleReadRequest(request, callback)) {
// No-op
} else if (request instanceof TransactionPurgeRequest) {
- sendPurge();
+ enqueuePurge(callback);
} else {
throw new IllegalArgumentException("Unhandled request " + request);
}
}
});
- successor.ensureSealed();
-
+ successor.sealOnly();
final ModifyTransactionRequest successorReq = successor.commitRequest(req.isCoordinated());
successor.sendRequest(successorReq, callback);
} else if (request instanceof AbortLocalTransactionRequest) {
successor.abort();
} else if (request instanceof TransactionPurgeRequest) {
LOG.debug("Forwarding purge {} to successor {}", request, successor);
- successor.sendPurge();
+ successor.enqueuePurge(callback);
+ } else if (request instanceof ModifyTransactionRequest) {
+ successor.handleForwardedRequest(request, callback);
} else {
- throw new IllegalArgumentException("Unhandled request" + request);
+ throwUnhandledRequest(request);
}
}
if (request instanceof AbortLocalTransactionRequest) {
successor.sendAbort(request, callback);
} else if (request instanceof TransactionPurgeRequest) {
- successor.sendPurge();
+ successor.enqueuePurge(callback);
} else {
- throw new IllegalArgumentException("Unhandled request" + request);
+ throwUnhandledRequest(request);
}
LOG.debug("Forwarded request {} to successor {}", request, successor);
}
+ private static void throwUnhandledRequest(final TransactionRequest<?> request) {
+ throw new IllegalArgumentException("Unhandled request " + request);
+ }
+
void sendAbort(final TransactionRequest<?> request, final Consumer<Response<?, ?>> callback) {
sendRequest(request, callback);
}