import akka.actor.ActorSelection;
import com.google.common.base.Optional;
+import com.google.common.base.Preconditions;
import com.google.common.util.concurrent.FutureCallback;
import com.google.common.util.concurrent.Futures;
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 org.opendaylight.controller.sal.core.spi.data.DOMStoreReadTransaction;
+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 scala.concurrent.Future;
*
* @author Thomas Pantelis
*/
-final class LocalTransactionContext extends AbstractTransactionContext {
- private final DOMStoreReadWriteTransaction delegate;
+abstract class LocalTransactionContext extends AbstractTransactionContext {
+ private final DOMStoreTransaction txDelegate;
+ private final LocalTransactionReadySupport readySupport;
+ private Exception operationError;
- LocalTransactionContext(TransactionIdentifier identifier, DOMStoreReadWriteTransaction delegate) {
+ LocalTransactionContext(DOMStoreTransaction txDelegate, TransactionIdentifier identifier,
+ LocalTransactionReadySupport readySupport) {
super(identifier);
- this.delegate = delegate;
+ this.txDelegate = Preconditions.checkNotNull(txDelegate);
+ this.readySupport = readySupport;
}
+ protected abstract DOMStoreWriteTransaction getWriteDelegate();
+
+ protected abstract DOMStoreReadTransaction getReadDelegate();
+
@Override
public void writeData(YangInstanceIdentifier path, NormalizedNode<?, ?> data) {
- delegate.write(path, data);
+ incrementModificationCount();
+ if(operationError == null) {
+ try {
+ getWriteDelegate().write(path, data);
+ } catch (Exception e) {
+ operationError = e;
+ }
+ }
+
}
@Override
public void mergeData(YangInstanceIdentifier path, NormalizedNode<?, ?> data) {
- delegate.merge(path, data);
+ incrementModificationCount();
+ if(operationError == null) {
+ try {
+ getWriteDelegate().merge(path, data);
+ } catch (Exception e) {
+ operationError = e;
+ }
+ }
}
@Override
public void deleteData(YangInstanceIdentifier path) {
- delegate.delete(path);
+ incrementModificationCount();
+ if(operationError == null) {
+ try {
+ getWriteDelegate().delete(path);
+ } catch (Exception e) {
+ operationError = e;
+ }
+ }
}
@Override
public void readData(YangInstanceIdentifier path, final SettableFuture<Optional<NormalizedNode<?, ?>>> proxyFuture) {
- Futures.addCallback(delegate.read(path), new FutureCallback<Optional<NormalizedNode<?, ?>>>() {
+ Futures.addCallback(getReadDelegate().read(path), new FutureCallback<Optional<NormalizedNode<?, ?>>>() {
@Override
- public void onSuccess(Optional<NormalizedNode<?, ?>> result) {
+ public void onSuccess(final Optional<NormalizedNode<?, ?>> result) {
proxyFuture.set(result);
}
@Override
- public void onFailure(Throwable t) {
+ public void onFailure(final Throwable t) {
proxyFuture.setException(t);
}
});
@Override
public void dataExists(YangInstanceIdentifier path, final SettableFuture<Boolean> proxyFuture) {
- Futures.addCallback(delegate.exists(path), new FutureCallback<Boolean>() {
+ Futures.addCallback(getReadDelegate().exists(path), new FutureCallback<Boolean>() {
@Override
- public void onSuccess(Boolean result) {
+ public void onSuccess(final Boolean result) {
proxyFuture.set(result);
}
@Override
- public void onFailure(Throwable t) {
+ public void onFailure(final Throwable t) {
proxyFuture.setException(t);
}
});
}
private LocalThreePhaseCommitCohort ready() {
- return (LocalThreePhaseCommitCohort) delegate.ready();
+ logModificationCount();
+ LocalThreePhaseCommitCohort cohort = readySupport.onTransactionReady(getWriteDelegate());
+ cohort.setOperationError(operationError);
+ return cohort;
}
@Override
public Future<ActorSelection> readyTransaction() {
- return ready().initiateCoordinatedCommit();
+ final LocalThreePhaseCommitCohort cohort = ready();
+ return cohort.initiateCoordinatedCommit();
}
@Override
public Future<Object> directCommit() {
- return ready().initiateDirectCommit();
+ final LocalThreePhaseCommitCohort cohort = ready();
+ return cohort.initiateDirectCommit();
}
@Override
@Override
public void closeTransaction() {
- delegate.close();
+ txDelegate.close();
}
}