import com.google.common.util.concurrent.Futures;
import com.google.common.util.concurrent.ListenableFuture;
import com.google.common.util.concurrent.MoreExecutors;
+import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
*/
private final Executor clientFutureCallbackExecutor;
- public ConcurrentDOMDataBroker(final Map<LogicalDatastoreType, DOMStore> datastores, Executor listenableFutureExecutor) {
+ public ConcurrentDOMDataBroker(final Map<LogicalDatastoreType, DOMStore> datastores,
+ Executor listenableFutureExecutor) {
this(datastores, listenableFutureExecutor, DurationStatisticsTracker.createConcurrent());
}
- public ConcurrentDOMDataBroker(final Map<LogicalDatastoreType, DOMStore> datastores, Executor listenableFutureExecutor,
- DurationStatisticsTracker commitStatsTracker) {
+ public ConcurrentDOMDataBroker(final Map<LogicalDatastoreType, DOMStore> datastores,
+ Executor listenableFutureExecutor, DurationStatisticsTracker commitStatsTracker) {
super(datastores);
this.clientFutureCallbackExecutor = Preconditions.checkNotNull(listenableFutureExecutor);
this.commitStatsTracker = Preconditions.checkNotNull(commitStatsTracker);
Preconditions.checkArgument(cohorts != null, "Cohorts must not be null.");
LOG.debug("Tx: {} is submitted for execution.", transaction.getIdentifier());
- if(cohorts.isEmpty()){
+ if (cohorts.isEmpty()) {
return Futures.immediateCheckedFuture(null);
}
new TransactionCommitFailedException(
"Can Commit failed, no detailed cause available."));
} else {
- if(!cohortIterator.hasNext()) {
+ if (!cohortIterator.hasNext()) {
// All cohorts completed successfully - we can move on to the preCommit phase
doPreCommit(startTime, clientSubmitFuture, transaction, cohorts);
} else {
}
@Override
- public void onFailure(Throwable t) {
+ public void onFailure(Throwable failure) {
handleException(clientSubmitFuture, transaction, cohorts, CAN_COMMIT,
- TransactionCommitFailedExceptionMapper.CAN_COMMIT_ERROR_MAPPER, t);
+ TransactionCommitFailedExceptionMapper.CAN_COMMIT_ERROR_MAPPER, failure);
}
};
FutureCallback<Void> futureCallback = new FutureCallback<Void>() {
@Override
public void onSuccess(Void notUsed) {
- if(!cohortIterator.hasNext()) {
+ if (!cohortIterator.hasNext()) {
// All cohorts completed successfully - we can move on to the commit phase
doCommit(startTime, clientSubmitFuture, transaction, cohorts);
} else {
}
@Override
- public void onFailure(Throwable t) {
+ public void onFailure(Throwable failure) {
handleException(clientSubmitFuture, transaction, cohorts, PRE_COMMIT,
- TransactionCommitFailedExceptionMapper.PRE_COMMIT_MAPPER, t);
+ TransactionCommitFailedExceptionMapper.PRE_COMMIT_MAPPER, failure);
}
};
FutureCallback<Void> futureCallback = new FutureCallback<Void>() {
@Override
public void onSuccess(Void notUsed) {
- if(!cohortIterator.hasNext()) {
+ if (!cohortIterator.hasNext()) {
// All cohorts completed successfully - we're done.
commitStatsTracker.addDuration(System.nanoTime() - startTime);
}
@Override
- public void onFailure(Throwable t) {
+ public void onFailure(Throwable throwable) {
handleException(clientSubmitFuture, transaction, cohorts, COMMIT,
- TransactionCommitFailedExceptionMapper.COMMIT_ERROR_MAPPER, t);
+ TransactionCommitFailedExceptionMapper.COMMIT_ERROR_MAPPER, throwable);
}
};
Futures.addCallback(commitFuture, futureCallback, MoreExecutors.directExecutor());
}
+ @SuppressFBWarnings(value = "BC_UNCONFIRMED_CAST_OF_RETURN_VALUE",
+ justification = "Pertains to the assignment of the 'clientException' var. FindBugs flags this as an "
+ + "uncomfirmed cast but the generic type in TransactionCommitFailedExceptionMapper is "
+ + "TransactionCommitFailedException and thus should be deemed as confirmed.")
private static void handleException(final AsyncNotifyingSettableFuture clientSubmitFuture,
final DOMDataWriteTransaction transaction,
final Collection<DOMStoreThreePhaseCommitCohort> cohorts,
final String phase, final TransactionCommitFailedExceptionMapper exMapper,
- final Throwable t) {
+ final Throwable throwable) {
if (clientSubmitFuture.isDone()) {
// We must have had failures from multiple cohorts.
return;
}
- LOG.warn("Tx: {} Error during phase {}, starting Abort", transaction.getIdentifier(), phase, t);
- final Exception e;
- if(t instanceof NoShardLeaderException || t instanceof ShardLeaderNotRespondingException) {
- e = new DataStoreUnavailableException(t.getMessage(), t);
- } else if (t instanceof Exception) {
- e = (Exception)t;
- } else {
- e = new RuntimeException("Unexpected error occurred", t);
- }
-
- final TransactionCommitFailedException clientException = exMapper.apply(e);
+ LOG.warn("Tx: {} Error during phase {}, starting Abort", transaction.getIdentifier(), phase, throwable);
// Transaction failed - tell all cohorts to abort.
-
@SuppressWarnings("unchecked")
ListenableFuture<Void>[] canCommitFutures = new ListenableFuture[cohorts.size()];
- int i = 0;
+ int index = 0;
for (DOMStoreThreePhaseCommitCohort cohort : cohorts) {
- canCommitFutures[i++] = cohort.abort();
+ canCommitFutures[index++] = cohort.abort();
}
+ // Propagate the original exception
+ final Exception e;
+ if (throwable instanceof NoShardLeaderException || throwable instanceof ShardLeaderNotRespondingException) {
+ e = new DataStoreUnavailableException(throwable.getMessage(), throwable);
+ } else if (throwable instanceof Exception) {
+ e = (Exception)throwable;
+ } else {
+ e = new RuntimeException("Unexpected error occurred", throwable);
+ }
+ clientSubmitFuture.setException(exMapper.apply(e));
+
ListenableFuture<List<Void>> combinedFuture = Futures.allAsList(canCommitFutures);
Futures.addCallback(combinedFuture, new FutureCallback<List<Void>>() {
@Override
public void onSuccess(List<Void> notUsed) {
// Propagate the original exception to the client.
- clientSubmitFuture.setException(clientException);
+ LOG.debug("Tx: {} aborted successfully", transaction.getIdentifier());
}
@Override
- public void onFailure(Throwable t) {
- LOG.error("Tx: {} Error during Abort.", transaction.getIdentifier(), t);
-
- // Propagate the original exception as that is what caused the Tx to fail and is
- // what's interesting to the client.
- clientSubmitFuture.setException(clientException);
+ public void onFailure(Throwable failure) {
+ LOG.error("Tx: {} Error during Abort.", transaction.getIdentifier(), failure);
}
}, MoreExecutors.directExecutor());
}
* the thread that completed this future, as a common use case is to pass an executor that runs
* tasks in the same thread as the caller (ie MoreExecutors#sameThreadExecutor)
* to {@link #addListener}.
- *
* FIXME: This class should probably be moved to yangtools common utils for re-usability and
* unified with AsyncNotifyingListenableFutureTask.
*/
/**
* ThreadLocal used to detect if the task completion thread is running the future listener Runnables.
*/
- private static final ThreadLocal<Boolean> ON_TASK_COMPLETION_THREAD_TL = new ThreadLocal<Boolean>();
+ private static final ThreadLocal<Boolean> ON_TASK_COMPLETION_THREAD_TL = new ThreadLocal<>();
private final Executor listenerExecutor;
}
}
}
+
+ @Override
+ public String toString() {
+ return "Clustered ConcurrentDOMDataBroker";
+ }
}
Code Review / controller.git / blobdiff