*/
package org.opendaylight.controller.cluster.datastore;
+import static com.google.common.base.Preconditions.checkState;
+import static java.util.Objects.requireNonNull;
+
import com.google.common.base.MoreObjects;
-import com.google.common.base.Preconditions;
-import javax.annotation.concurrent.NotThreadSafe;
+import java.util.Optional;
+import java.util.SortedSet;
import org.opendaylight.controller.cluster.access.concepts.LocalHistoryIdentifier;
import org.opendaylight.controller.cluster.access.concepts.TransactionIdentifier;
import org.opendaylight.yangtools.concepts.Identifiable;
import org.slf4j.LoggerFactory;
/**
- * A transaction chain attached to a Shard.
+ * A transaction chain attached to a Shard. This class is NOT thread-safe.
*/
-@NotThreadSafe
final class ShardDataTreeTransactionChain extends ShardDataTreeTransactionParent
implements Identifiable<LocalHistoryIdentifier> {
+
private static final Logger LOG = LoggerFactory.getLogger(ShardDataTreeTransactionChain.class);
private final LocalHistoryIdentifier chainId;
private final ShardDataTree dataTree;
private boolean closed;
ShardDataTreeTransactionChain(final LocalHistoryIdentifier localHistoryIdentifier, final ShardDataTree dataTree) {
- this.chainId = Preconditions.checkNotNull(localHistoryIdentifier);
- this.dataTree = Preconditions.checkNotNull(dataTree);
+ this.chainId = requireNonNull(localHistoryIdentifier);
+ this.dataTree = requireNonNull(dataTree);
}
private DataTreeSnapshot getSnapshot() {
- Preconditions.checkState(!closed, "TransactionChain %s has been closed", this);
- Preconditions.checkState(openTransaction == null, "Transaction %s is open", openTransaction);
+ checkState(!closed, "TransactionChain %s has been closed", this);
+ checkState(openTransaction == null, "Transaction %s is open", openTransaction);
if (previousTx == null) {
LOG.debug("Opening an unchained snapshot in {}", chainId);
final DataTreeSnapshot snapshot = getSnapshot();
LOG.debug("Allocated read-only transaction {} snapshot {}", txId, snapshot);
- return new ReadOnlyShardDataTreeTransaction(txId, snapshot);
+ return new ReadOnlyShardDataTreeTransaction(this, txId, snapshot);
}
ReadWriteShardDataTreeTransaction newReadWriteTransaction(final TransactionIdentifier txId) {
void close() {
closed = true;
+ LOG.debug("Closing chain {}", chainId);
}
@Override
- protected void abortTransaction(final AbstractShardDataTreeTransaction<?> transaction) {
+ void abortFromTransactionActor(final AbstractShardDataTreeTransaction<?> transaction) {
if (transaction instanceof ReadWriteShardDataTreeTransaction) {
- Preconditions.checkState(openTransaction != null,
- "Attempted to abort transaction %s while none is outstanding", transaction);
- LOG.debug("Aborted transaction {}", transaction);
+ checkState(openTransaction != null, "Attempted to abort transaction %s while none is outstanding",
+ transaction);
+ LOG.debug("Aborted open transaction {}", transaction);
openTransaction = null;
}
}
@Override
- protected ShardDataTreeCohort finishTransaction(final ReadWriteShardDataTreeTransaction transaction) {
- Preconditions.checkState(openTransaction != null,
- "Attempted to finish transaction %s while none is outstanding", transaction);
+ void abortTransaction(final AbstractShardDataTreeTransaction<?> transaction, final Runnable callback) {
+ abortFromTransactionActor(transaction);
+ dataTree.abortTransaction(transaction, callback);
+ }
+
+ @Override
+ ShardDataTreeCohort finishTransaction(final ReadWriteShardDataTreeTransaction transaction,
+ final Optional<SortedSet<String>> participatingShardNames) {
+ checkState(openTransaction != null, "Attempted to finish transaction %s while none is outstanding",
+ transaction);
// dataTree is finalizing ready the transaction, we just record it for the next
// transaction in chain
- final ShardDataTreeCohort delegate = dataTree.finishTransaction(transaction);
+ final ShardDataTreeCohort delegate = dataTree.finishTransaction(transaction, participatingShardNames);
openTransaction = null;
previousTx = transaction;
LOG.debug("Committing transaction {}", transaction);
}
@Override
- ShardDataTreeCohort createReadyCohort(final TransactionIdentifier txId, final DataTreeModification modification) {
- return dataTree.createReadyCohort(txId, modification);
+ ShardDataTreeCohort createFailedCohort(final TransactionIdentifier txId, final DataTreeModification mod,
+ final Exception failure) {
+ return dataTree.createFailedCohort(txId, mod, failure);
+ }
+
+ @Override
+ ShardDataTreeCohort createReadyCohort(final TransactionIdentifier txId, final DataTreeModification mod,
+ final Optional<SortedSet<String>> participatingShardNames) {
+ return dataTree.createReadyCohort(txId, mod, participatingShardNames);
}
}