*/
package org.opendaylight.controller.cluster.datastore;
+import static java.util.Objects.requireNonNull;
+
import akka.actor.ActorSelection;
-import com.google.common.base.Optional;
import com.google.common.util.concurrent.FutureCallback;
import com.google.common.util.concurrent.Futures;
+import com.google.common.util.concurrent.MoreExecutors;
import com.google.common.util.concurrent.SettableFuture;
-import org.opendaylight.controller.cluster.datastore.identifiers.TransactionIdentifier;
-import org.opendaylight.controller.sal.core.spi.data.DOMStoreReadWriteTransaction;
+import java.util.Optional;
+import java.util.SortedSet;
+import java.util.function.Consumer;
+import org.opendaylight.controller.cluster.access.concepts.TransactionIdentifier;
+import org.opendaylight.controller.cluster.datastore.messages.AbstractRead;
+import org.opendaylight.mdsal.common.api.ReadFailedException;
+import org.opendaylight.mdsal.dom.spi.store.DOMStoreReadTransaction;
+import org.opendaylight.mdsal.dom.spi.store.DOMStoreTransaction;
+import org.opendaylight.mdsal.dom.spi.store.DOMStoreWriteTransaction;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
import scala.concurrent.Future;
*
* @author Thomas Pantelis
*/
-final class LocalTransactionContext extends AbstractTransactionContext {
- private final DOMStoreReadWriteTransaction delegate;
+abstract class LocalTransactionContext extends TransactionContext {
+ private final DOMStoreTransaction txDelegate;
+ private final LocalTransactionReadySupport readySupport;
+ private Exception operationError;
- LocalTransactionContext(TransactionIdentifier identifier, DOMStoreReadWriteTransaction delegate) {
+ LocalTransactionContext(final DOMStoreTransaction txDelegate, final TransactionIdentifier identifier,
+ final LocalTransactionReadySupport readySupport) {
super(identifier);
- this.delegate = delegate;
+ this.txDelegate = requireNonNull(txDelegate);
+ this.readySupport = readySupport;
}
- @Override
- public void writeData(YangInstanceIdentifier path, NormalizedNode<?, ?> data) {
- delegate.write(path, data);
+ abstract DOMStoreWriteTransaction getWriteDelegate();
+
+ abstract DOMStoreReadTransaction getReadDelegate();
+
+ @SuppressWarnings("checkstyle:IllegalCatch")
+ private void executeModification(final Consumer<DOMStoreWriteTransaction> consumer) {
+ incrementModificationCount();
+ if (operationError == null) {
+ try {
+ consumer.accept(getWriteDelegate());
+ } catch (Exception e) {
+ operationError = e;
+ }
+ }
}
@Override
- public void mergeData(YangInstanceIdentifier path, NormalizedNode<?, ?> data) {
- delegate.merge(path, data);
+ void executeDelete(final YangInstanceIdentifier path, final Boolean havePermit) {
+ executeModification(transaction -> transaction.delete(path));
}
@Override
- public void deleteData(YangInstanceIdentifier path) {
- delegate.delete(path);
+ void executeMerge(final YangInstanceIdentifier path, final NormalizedNode data, final Boolean havePermit) {
+ executeModification(transaction -> transaction.merge(path, data));
}
@Override
- public void readData(YangInstanceIdentifier path, final SettableFuture<Optional<NormalizedNode<?, ?>>> proxyFuture) {
- Futures.addCallback(delegate.read(path), new FutureCallback<Optional<NormalizedNode<?, ?>>>() {
- @Override
- public void onSuccess(Optional<NormalizedNode<?, ?>> result) {
- proxyFuture.set(result);
- }
-
- @Override
- public void onFailure(Throwable t) {
- proxyFuture.setException(t);
- }
- });
+ void executeWrite(final YangInstanceIdentifier path, final NormalizedNode data, final Boolean havePermit) {
+ executeModification(transaction -> transaction.write(path, data));
}
@Override
- public void dataExists(YangInstanceIdentifier path, final SettableFuture<Boolean> proxyFuture) {
- Futures.addCallback(delegate.exists(path), new FutureCallback<Boolean>() {
+ <T> void executeRead(final AbstractRead<T> readCmd, final SettableFuture<T> proxyFuture,
+ final Boolean havePermit) {
+ Futures.addCallback(readCmd.apply(getReadDelegate()), new FutureCallback<T>() {
@Override
- public void onSuccess(Boolean result) {
+ public void onSuccess(final T result) {
proxyFuture.set(result);
}
@Override
- public void onFailure(Throwable t) {
- proxyFuture.setException(t);
+ public void onFailure(final Throwable failure) {
+ proxyFuture.setException(failure instanceof Exception
+ ? ReadFailedException.MAPPER.apply((Exception) failure) : failure);
}
- });
- }
-
- private LocalThreePhaseCommitCohort ready() {
- return (LocalThreePhaseCommitCohort) delegate.ready();
+ }, MoreExecutors.directExecutor());
}
@Override
- public Future<ActorSelection> readyTransaction() {
- return ready().initiateCoordinatedCommit();
+ Future<ActorSelection> readyTransaction(final Boolean havePermit,
+ final Optional<SortedSet<String>> participatingShardNames) {
+ final LocalThreePhaseCommitCohort cohort = ready();
+ return cohort.initiateCoordinatedCommit(participatingShardNames);
}
@Override
- public Future<Object> directCommit() {
- return ready().initiateDirectCommit();
+ Future<Object> directCommit(final Boolean havePermit) {
+ final LocalThreePhaseCommitCohort cohort = ready();
+ return cohort.initiateDirectCommit();
}
@Override
- public boolean supportsDirectCommit() {
- return true;
+ void closeTransaction() {
+ txDelegate.close();
}
- @Override
- public void closeTransaction() {
- delegate.close();
+ private LocalThreePhaseCommitCohort ready() {
+ logModificationCount();
+ return readySupport.onTransactionReady(getWriteDelegate(), operationError);
}
}