/**
* A transaction potentially spanning multiple backend shards.
*/
-public class TransactionProxy extends AbstractDOMStoreTransaction<TransactionIdentifier> implements DOMStoreReadWriteTransaction {
- private static enum TransactionState {
+public class TransactionProxy extends AbstractDOMStoreTransaction<TransactionIdentifier>
+ implements DOMStoreReadWriteTransaction {
+ private enum TransactionState {
OPEN,
READY,
CLOSED,
}
+
private static final Logger LOG = LoggerFactory.getLogger(TransactionProxy.class);
private final Map<String, TransactionContextWrapper> txContextWrappers = new HashMap<>();
}
private <T> CheckedFuture<T, ReadFailedException> executeRead(String shardName, final AbstractRead<T> readCmd) {
- Preconditions.checkState(type != TransactionType.WRITE_ONLY, "Reads from write-only transactions are not allowed");
+ Preconditions.checkState(type != TransactionType.WRITE_ONLY,
+ "Reads from write-only transactions are not allowed");
- if(LOG.isDebugEnabled()) {
- LOG.debug("Tx {} {} {}", getIdentifier(), readCmd.getClass().getSimpleName(), readCmd.getPath());
- }
+ LOG.debug("Tx {} {} {}", getIdentifier(), readCmd.getClass().getSimpleName(), readCmd.getPath());
final SettableFuture<T> proxyFuture = SettableFuture.create();
TransactionContextWrapper contextWrapper = getContextWrapper(shardName);
@Override
public CheckedFuture<Optional<NormalizedNode<?, ?>>, ReadFailedException> read(final YangInstanceIdentifier path) {
- Preconditions.checkState(type != TransactionType.WRITE_ONLY, "Reads from write-only transactions are not allowed");
+ Preconditions.checkState(type != TransactionType.WRITE_ONLY,
+ "Reads from write-only transactions are not allowed");
LOG.debug("Tx {} read {}", getIdentifier(), path);
private CheckedFuture<Optional<NormalizedNode<?, ?>>, ReadFailedException> readAllData() {
final Set<String> allShardNames = txContextFactory.getActorContext().getConfiguration().getAllShardNames();
- final Collection<CheckedFuture<Optional<NormalizedNode<?, ?>>, ReadFailedException>> futures = new ArrayList<>(allShardNames.size());
+ final Collection<CheckedFuture<Optional<NormalizedNode<?, ?>>, ReadFailedException>> futures =
+ new ArrayList<>(allShardNames.size());
for (String shardName : allShardNames) {
futures.add(singleShardRead(shardName, YangInstanceIdentifier.EMPTY));
final ListenableFuture<List<Optional<NormalizedNode<?, ?>>>> listFuture = Futures.allAsList(futures);
final ListenableFuture<Optional<NormalizedNode<?, ?>>> aggregateFuture;
- aggregateFuture = Futures.transform(listFuture, new Function<List<Optional<NormalizedNode<?, ?>>>, Optional<NormalizedNode<?, ?>>>() {
- @Override
- public Optional<NormalizedNode<?, ?>> apply(final List<Optional<NormalizedNode<?, ?>>> input) {
+ aggregateFuture = Futures.transform(listFuture,
+ (Function<List<Optional<NormalizedNode<?, ?>>>, Optional<NormalizedNode<?, ?>>>) input -> {
try {
return NormalizedNodeAggregator.aggregate(YangInstanceIdentifier.EMPTY, input,
txContextFactory.getActorContext().getSchemaContext(),
} catch (DataValidationFailedException e) {
throw new IllegalArgumentException("Failed to aggregate", e);
}
- }
- });
+ });
return MappingCheckedFuture.create(aggregateFuture, ReadFailedException.MAPPER);
}
private void executeModification(final AbstractModification modification) {
checkModificationState();
- if(LOG.isDebugEnabled()) {
- LOG.debug("Tx {} executeModification {} {}", getIdentifier(), modification.getClass().getSimpleName(),
- modification.getPath());
- }
+ LOG.debug("Tx {} executeModification {} {}", getIdentifier(), modification.getClass().getSimpleName(),
+ modification.getPath());
TransactionContextWrapper contextWrapper = getContextWrapper(modification.getPath());
contextWrapper.maybeExecuteTransactionOperation(new TransactionOperation() {
final AbstractThreePhaseCommitCohort<?> ret;
switch (txContextWrappers.size()) {
- case 0:
- ret = NoOpDOMStoreThreePhaseCommitCohort.INSTANCE;
- break;
- case 1:
- final Entry<String, TransactionContextWrapper> e = Iterables.getOnlyElement(txContextWrappers.entrySet());
- ret = createSingleCommitCohort(e.getKey(), e.getValue());
- break;
- default:
- ret = createMultiCommitCohort(txContextWrappers.entrySet());
+ case 0:
+ ret = NoOpDOMStoreThreePhaseCommitCohort.INSTANCE;
+ break;
+ case 1:
+ final Entry<String, TransactionContextWrapper> e = Iterables.getOnlyElement(
+ txContextWrappers.entrySet());
+ ret = createSingleCommitCohort(e.getKey(), e.getValue());
+ break;
+ default:
+ ret = createMultiCommitCohort(txContextWrappers.entrySet());
}
txContextFactory.onTransactionReady(getIdentifier(), ret.getCohortFutures());
final Promise promise = akka.dispatch.Futures.promise();
contextWrapper.maybeExecuteTransactionOperation(new TransactionOperation() {
@Override
- public void invoke(TransactionContext transactionContext) {
- promise.completeWith(getDirectCommitFuture(transactionContext, operationCallbackRef));
+ public void invoke(TransactionContext newTransactionContext) {
+ promise.completeWith(getDirectCommitFuture(newTransactionContext, operationCallbackRef));
}
});
future = promise.future();
// The remote tx version is obtained the via TransactionContext which may not be available yet so
// we pass a Supplier to dynamically obtain it. Once the ready Future is resolved the
// TransactionContext is available.
- Supplier<Short> txVersionSupplier = new Supplier<Short>() {
- @Override
- public Short get() {
- return wrapper.getTransactionContext().getTransactionVersion();
- }
- };
+ Supplier<Short> txVersionSupplier = () -> wrapper.getTransactionContext().getTransactionVersion();
cohorts.add(new ThreePhaseCommitCohortProxy.CohortInfo(wrapper.readyTransaction(), txVersionSupplier));
}