public void removeChannel(Channel channel) {
lock.lock();
try {
if (channel.getDirection() == Direction.OUT) {
BrokerHost registeredHost = null;
for (Map.Entry<BrokerHost, List<Channel>> e : brokerHostToProducerChannelMap.entrySet()) {
List<Channel> channels = e.getValue();
Iterator<Channel> channelIterator = channels.iterator();
while (channelIterator.hasNext()) {
Channel c = channelIterator.next();
if (c.equals(channel)) {
registeredHost = e.getKey();
channelIterator.remove();
// if there are no more channels remove the producer
if (channels.size() == 0) {
Manageable producer = producers.remove(registeredHost);
producer.stop();
}
break;
}
}
if (registeredHost != null) {
break;
}
}
} else if (channel.getDirection() == Direction.IN) {
BrokerHost registeredHost = null;
for (Map.Entry<BrokerHost, List<Channel>> e : brokerHostToConsumerChannelMap.entrySet()) {
List<Channel> channels = e.getValue();
Iterator<Channel> channelIterator = channels.iterator();
while (channelIterator.hasNext()) {
Channel c = channelIterator.next();
if (c.equals(channel)) {
registeredHost = e.getKey();
channelIterator.remove();
// if there are no more channels remove the producer
if (channels.size() == 0) {
ConsumingWorker worker = consumingWorkers.remove(registeredHost);
worker.stop();
Manageable consumer = consumers.remove(registeredHost);
consumer.stop();
}
break;
}
}
if (registeredHost != null) {
break;
}
}
}
} finally {
lock.unlock();
}
}
@Test
public void removeFromMap() {
HazelcastClient hClient = getHazelcastClient();
Map map = hClient.getMap("removeFromMap");
assertNull(map.put("a", "b"));
assertEquals("b", map.get("a"));
assertEquals("b", map.remove("a"));
assertNull(map.remove("a"));
assertNull(map.get("a"));
}
private void handleFail(Object id) {
Tuple failed = _inputs.remove(id);
if (failed == null) {
throw new RuntimeException("Failed a non-existent or already acked/failed id: " + id);
}
_collector.fail(failed);
}
@Override
public void unregisterService(final URI serviceUri) throws IOException {
registered.remove(serviceUri.toString());
for (final DiscoveryAgent agent : agents) {
agent.unregisterService(serviceUri);
}
}
@Override
public void serviceRemoved(final URI service) {
services.remove(service.toString());
for (final DiscoveryListener discoveryListener : getListeners()) {
executor.execute(new ServiceRemovedTask(discoveryListener, service));
}
}
/**
* set value.
*
* @param key
* @param value
* @return context
*/
public RpcContext set(String key, Object value) {
if (value == null) {
values.remove(key);
} else {
values.put(key, value);
}
return this;
}
void completed(InetAddress remote, String cfname) {
logger.debug("Repair completed for {} on {}", remote, cfname);
RepairJob job = activeJobs.get(cfname);
if (job.completedSynchronizationJob(remote)) {
activeJobs.remove(cfname);
if (activeJobs.isEmpty()) completed.signalAll();
}
}
/**
* set attachment.
*
* @param key
* @param value
* @return context
*/
public RpcContext setAttachment(String key, String value) {
if (value == null) {
attachments.remove(key);
} else {
attachments.put(key, value);
}
return this;
}
/** Removes the endpoint from Gossip but retains endpoint state */
public void removeEndpoint(InetAddress endpoint) {
// do subscribers first so anything in the subscriber that depends on gossiper state won't get
// confused
for (IEndpointStateChangeSubscriber subscriber : subscribers_) subscriber.onRemove(endpoint);
liveEndpoints_.remove(endpoint);
unreachableEndpoints_.remove(endpoint);
// do not remove endpointState until aVeryLongTime
FailureDetector.instance.remove(endpoint);
justRemovedEndpoints_.put(endpoint, System.currentTimeMillis());
}
static void removeFromLayers(Shape shape) {
if (!layerOf.containsKey(shape)) return;
int oldLayer = layerOf.get(shape);
layerContents.get(oldLayer).remove(shape);
if (layerContents.get(oldLayer).isEmpty()) {
layerContents.remove(oldLayer);
layers.remove((Integer) oldLayer);
}
layerOf.remove(shape);
}
@Override
public void setLimit(@Nonnull String counterName, long counterValue) {
if (counterValue > 0) limits.put(counterName, counterValue);
else limits.remove(counterName);
StringBuilder s = new StringBuilder();
for (Entry<String, Long> e : limits.entrySet())
s.append(e.getKey()).append('=').append(e.getValue().toString()).append(';');
setAttribute(LIMITS_ATTRIBUTE, s.toString());
if (TIMER_COUNTER.equals(counterName)) fixTimeLimit();
fireBaseEvent(LIMITS);
}
protected void handleTaskRejectedResponse(Address source, long requestId) {
Runnable runnable = _awaitingReturn.remove(new Owner(source, requestId));
if (runnable != null) {
_awaitingConsumer.add(runnable);
Long taskRequestId = _requestId.get(runnable);
if (taskRequestId != requestId) {
log.warn("Task Request Id doesn't match in rejection");
}
sendToCoordinator(RUN_REQUEST, taskRequestId, local_addr);
} else {
log.error(Util.getMessage("ErrorResubmittingTaskForRequestId") + requestId);
}
}
void doStatusCheck() {
long now = System.currentTimeMillis();
Set<InetAddress> eps = endpointStateMap_.keySet();
for (InetAddress endpoint : eps) {
if (endpoint.equals(localEndpoint_)) continue;
FailureDetector.instance.interpret(endpoint);
EndpointState epState = endpointStateMap_.get(endpoint);
if (epState != null) {
long duration = now - epState.getUpdateTimestamp();
if (StorageService.instance.getTokenMetadata().isMember(endpoint))
epState.setHasToken(true);
// check if this is a fat client. fat clients are removed automatically from
// gosip after FatClientTimeout
if (!epState.getHasToken()
&& !epState.isAlive()
&& !justRemovedEndpoints_.containsKey(endpoint)
&& (duration > FatClientTimeout_)) {
logger_.info(
"FatClient "
+ endpoint
+ " has been silent for "
+ FatClientTimeout_
+ "ms, removing from gossip");
removeEndpoint(
endpoint); // will put it in justRemovedEndpoints to respect quarantine delay
evictFromMembership(endpoint); // can get rid of the state immediately
}
if (!epState.isAlive() && (duration > aVeryLongTime_)) {
evictFromMembership(endpoint);
}
}
}
if (!justRemovedEndpoints_.isEmpty()) {
Map<InetAddress, Long> copy = new HashMap<InetAddress, Long>(justRemovedEndpoints_);
for (Map.Entry<InetAddress, Long> entry : copy.entrySet()) {
if ((now - entry.getValue()) > QUARANTINE_DELAY) {
if (logger_.isDebugEnabled())
logger_.debug(
QUARANTINE_DELAY + " elapsed, " + entry.getKey() + " gossip quarantine over");
justRemovedEndpoints_.remove(entry.getKey());
}
}
}
}
protected void handleTaskSubmittedRequest(
Runnable runnable, Address source, long requestId, long threadId) {
// We store in our map so that when that task is
// finished so that we can send back to the owner
// with the results
_running.put(runnable, new Owner(source, requestId));
// We give the task to the thread that is now waiting for it to be returned
// If we can't offer then we have to respond back to
// caller that we can't handle it. They must have
// gotten our address when we had a consumer, but
// they went away between then and now.
boolean received;
try {
_tasks.put(threadId, runnable);
CyclicBarrier barrier = _taskBarriers.remove(threadId);
if (received = (barrier != null)) {
// Only wait 10 milliseconds, in case if the consumer was
// stopped between when we were told it was available and now
barrier.await(10, TimeUnit.MILLISECONDS);
}
} catch (InterruptedException e) {
if (log.isDebugEnabled()) log.debug("Interrupted while handing off task");
Thread.currentThread().interrupt();
received = false;
} catch (BrokenBarrierException e) {
if (log.isDebugEnabled())
log.debug(
"Consumer " + threadId + " has been interrupted, " + "must retry to submit elsewhere");
received = false;
} catch (TimeoutException e) {
if (log.isDebugEnabled())
log.debug("Timeout waiting to hand off to barrier, consumer " + threadId + " must be slow");
// This should only happen if the consumer put the latch then got
// interrupted but hadn't yet removed the latch, should almost never
// happen
received = false;
}
if (!received) {
// Clean up the tasks request
_tasks.remove(threadId);
if (log.isDebugEnabled()) log.debug("Run rejected not able to pass off to consumer");
// If we couldn't hand off the task we have to tell the client
// and also reupdate the coordinator that our consumer is ready
sendRequest(source, Type.RUN_REJECTED, requestId, null);
_running.remove(runnable);
}
}
void isAlive(InetAddress addr, EndpointState epState, boolean value) {
epState.isAlive(value);
if (value) {
liveEndpoints_.add(addr);
unreachableEndpoints_.remove(addr);
for (IEndpointStateChangeSubscriber subscriber : subscribers_)
subscriber.onAlive(addr, epState);
} else {
liveEndpoints_.remove(addr);
unreachableEndpoints_.put(addr, System.currentTimeMillis());
for (IEndpointStateChangeSubscriber subscriber : subscribers_)
subscriber.onDead(addr, epState);
}
if (epState.isAGossiper()) return;
epState.isAGossiper(true);
}
/**
* Retrieves the response from the queue matching the given key, blocking until it is received.
*
* @param k Response
* @return Response
* @throws InterruptedException if interrupted while waiting
*/
public synchronized V take(K k) throws InterruptedException {
final V v = taken.remove(k);
if (v != null) {
return v;
}
// Take the laundry out of the machine. If it's ours, leave with it.
// If it's someone else's, fold it neatly and put it on the pile.
for (; ; ) {
final Pair<K, V> pair = queue.take();
if (pair.left.equals(k)) {
return pair.right;
} else {
taken.put(pair.left, pair.right);
}
}
}
protected void handleValueResponse(Address source, long requestId, Object value) {
Runnable runnable = _awaitingReturn.remove(new Owner(source, requestId));
if (runnable != null) {
_requestId.remove(runnable);
}
// We can only notify of success if it was a future
if (runnable instanceof RunnableFuture<?>) {
RunnableFuture<?> future = (RunnableFuture<?>) runnable;
ExecutorNotification notifier = notifiers.remove(future);
if (notifier != null) {
notifier.resultReturned(value);
}
} else {
log.warn("Runnable was not found in awaiting");
}
}
/**
* Remove the segment's data from the data container and cache store because we no longer own it.
*
* @param removedSegments to be cancelled and discarded
*/
private void cancelTransfers(Set<Integer> removedSegments) {
synchronized (this) {
List<Integer> segmentsToCancel = new ArrayList<Integer>(removedSegments);
while (!segmentsToCancel.isEmpty()) {
int segmentId = segmentsToCancel.remove(0);
InboundTransferTask inboundTransfer = transfersBySegment.remove(segmentId);
if (inboundTransfer != null) { // we need to check the transfer was not already completed
Set<Integer> cancelledSegments = new HashSet<Integer>(removedSegments);
cancelledSegments.retainAll(inboundTransfer.getSegments());
segmentsToCancel.removeAll(cancelledSegments);
inboundTransfer.cancelSegments(
cancelledSegments); // this will also remove it from transfersBySource if the entire
// task gets cancelled
}
}
}
}
/**
* Remove a record telling what entity caps node a user has.
*
* @param user the user (Full JID)
*/
public void removeUserCapsNode(String user) {
Caps caps = userCaps.remove(user);
// Fire userCapsNodeRemoved.
if (caps != null) {
UserCapsNodeListener[] listeners;
synchronized (userCapsNodeListeners) {
listeners = userCapsNodeListeners.toArray(NO_USER_CAPS_NODE_LISTENERS);
}
if (listeners.length != 0) {
String nodeVer = caps.getNodeVer();
for (UserCapsNodeListener listener : listeners)
listener.userCapsNodeRemoved(user, nodeVer, false);
}
}
}
protected void handleExceptionResponse(Address source, long requestId, Throwable throwable) {
Runnable runnable = _awaitingReturn.remove(new Owner(source, requestId));
if (runnable != null) {
_requestId.remove(runnable);
}
// We can only notify of exception if it was a future
if (runnable instanceof RunnableFuture<?>) {
RunnableFuture<?> future = (RunnableFuture<?>) runnable;
ExecutorNotification notifier = notifiers.remove(future);
if (notifier != null) {
notifier.throwableEncountered(throwable);
}
} else {
// All we can do is log the error since their is no
// way to return this to the user since they don't
// have a future object.
log.error("Runtime Error encountered from cluster execute(Runnable) method", throwable);
}
}
public Collection<QName> undeploy(final String duName) {
try {
exec(
new Callable<Collection<QName>>() {
public Collection<QName> call(ConfStoreConnection conn) {
DeploymentUnitDAO dudao = conn.getDeploymentUnit(duName);
if (dudao != null) dudao.delete();
return null;
}
});
} catch (Exception ex) {
__log.error(
"Error synchronizing with data store; " + duName + " may be reappear after restart!");
}
Collection<QName> undeployed = Collections.emptyList();
DeploymentUnitDir du;
_rw.writeLock().lock();
try {
du = _deploymentUnits.remove(duName);
if (du != null) {
undeployed = toPids(du.getProcessNames(), du.getVersion());
}
for (QName pn : undeployed) {
fireEvent(new ProcessStoreEvent(ProcessStoreEvent.Type.UNDEPLOYED, pn, du.getName()));
__log.info(__msgs.msgProcessUndeployed(pn));
}
_processes.keySet().removeAll(undeployed);
} finally {
_rw.writeLock().unlock();
}
return undeployed;
}
void completed(Differencer differencer) {
logger.debug(
String.format(
"[repair #%s] Repair completed between %s and %s on %s",
getName(), differencer.r1.endpoint, differencer.r2.endpoint, differencer.cfname));
RepairJob job = activeJobs.get(differencer.cfname);
if (job == null) {
assert terminated;
return;
}
if (job.completedSynchronization(differencer)) {
activeJobs.remove(differencer.cfname);
String remaining =
activeJobs.size() == 0
? ""
: String.format(
" (%d remaining column family to sync for this session)", activeJobs.size());
logger.info(
String.format(
"[repair #%s] %s is fully synced%s", getName(), differencer.cfname, remaining));
if (activeJobs.isEmpty()) completed.signalAll();
}
}
/**
* remove attachment.
*
* @param key
* @return context
*/
public RpcContext removeAttachment(String key) {
attachments.remove(key);
return this;
}
@ManagedOperation
public void logAllMessages(boolean b) {
log.info("logAllMessagesForUsers[" + config.getUsername() + "] = " + b);
if (b) logAllMessagesForUsers.put(config.getUsername(), false);
else logAllMessagesForUsers.remove(config.getUsername());
}
/**
* remove value.
*
* @param key
* @return value
*/
public RpcContext remove(String key) {
values.remove(key);
return this;
}
@SuppressWarnings("unchecked")
public void execute() {
dataImporter.store(DataImporter.STATUS_MSGS, statusMessages);
document = dataImporter.getConfig().document;
final AtomicLong startTime = new AtomicLong(System.currentTimeMillis());
statusMessages.put(
TIME_ELAPSED,
new Object() {
public String toString() {
return getTimeElapsedSince(startTime.get());
}
});
statusMessages.put(DataImporter.MSG.TOTAL_QUERIES_EXECUTED, importStatistics.queryCount);
statusMessages.put(DataImporter.MSG.TOTAL_ROWS_EXECUTED, importStatistics.rowsCount);
statusMessages.put(DataImporter.MSG.TOTAL_DOC_PROCESSED, importStatistics.docCount);
statusMessages.put(DataImporter.MSG.TOTAL_DOCS_SKIPPED, importStatistics.skipDocCount);
List<String> entities = requestParameters.entities;
// Trigger onImportStart
if (document.onImportStart != null) {
invokeEventListener(document.onImportStart);
}
AtomicBoolean fullCleanDone = new AtomicBoolean(false);
// we must not do a delete of *:* multiple times if there are multiple root entities to be run
Properties lastIndexTimeProps = new Properties();
lastIndexTimeProps.setProperty(
LAST_INDEX_KEY,
DataImporter.DATE_TIME_FORMAT.get().format(dataImporter.getIndexStartTime()));
for (DataConfig.Entity e : document.entities) {
if (entities != null && !entities.contains(e.name)) continue;
lastIndexTimeProps.setProperty(
e.name + "." + LAST_INDEX_KEY, DataImporter.DATE_TIME_FORMAT.get().format(new Date()));
root = e;
String delQuery = e.allAttributes.get("preImportDeleteQuery");
if (dataImporter.getStatus() == DataImporter.Status.RUNNING_DELTA_DUMP) {
cleanByQuery(delQuery, fullCleanDone);
doDelta();
delQuery = e.allAttributes.get("postImportDeleteQuery");
if (delQuery != null) {
fullCleanDone.set(false);
cleanByQuery(delQuery, fullCleanDone);
}
} else {
cleanByQuery(delQuery, fullCleanDone);
doFullDump();
delQuery = e.allAttributes.get("postImportDeleteQuery");
if (delQuery != null) {
fullCleanDone.set(false);
cleanByQuery(delQuery, fullCleanDone);
}
}
statusMessages.remove(DataImporter.MSG.TOTAL_DOC_PROCESSED);
}
if (stop.get()) {
// Dont commit if aborted using command=abort
statusMessages.put("Aborted", DataImporter.DATE_TIME_FORMAT.get().format(new Date()));
rollback();
} else {
// Do not commit unnecessarily if this is a delta-import and no documents were created or
// deleted
if (!requestParameters.clean) {
if (importStatistics.docCount.get() > 0 || importStatistics.deletedDocCount.get() > 0) {
finish(lastIndexTimeProps);
}
} else {
// Finished operation normally, commit now
finish(lastIndexTimeProps);
}
if (writer != null) {
writer.finish();
}
if (document.onImportEnd != null) {
invokeEventListener(document.onImportEnd);
}
}
statusMessages.remove(TIME_ELAPSED);
statusMessages.put(DataImporter.MSG.TOTAL_DOC_PROCESSED, "" + importStatistics.docCount.get());
if (importStatistics.failedDocCount.get() > 0)
statusMessages.put(
DataImporter.MSG.TOTAL_FAILED_DOCS, "" + importStatistics.failedDocCount.get());
statusMessages.put("Time taken ", getTimeElapsedSince(startTime.get()));
LOG.info("Time taken = " + getTimeElapsedSince(startTime.get()));
}
public Object down(Event evt) {
switch (evt.getType()) {
case ExecutorEvent.TASK_SUBMIT:
Runnable runnable = evt.getArg();
// We are limited to a number of concurrent request id's
// equal to 2^63-1. This is quite large and if it
// overflows it will still be positive
long requestId = Math.abs(counter.getAndIncrement());
if (requestId == Long.MIN_VALUE) {
// TODO: need to fix this it isn't safe for concurrent modifications
counter.set(0);
requestId = Math.abs(counter.getAndIncrement());
}
// Need to make sure to put the requestId in our map before
// adding the runnable to awaiting consumer in case if
// coordinator sent a consumer found and their original task
// is no longer around
// see https://issues.jboss.org/browse/JGRP-1744
_requestId.put(runnable, requestId);
_awaitingConsumer.add(runnable);
sendToCoordinator(RUN_REQUEST, requestId, local_addr);
break;
case ExecutorEvent.CONSUMER_READY:
Thread currentThread = Thread.currentThread();
long threadId = currentThread.getId();
_consumerId.put(threadId, PRESENT);
try {
for (; ; ) {
CyclicBarrier barrier = new CyclicBarrier(2);
_taskBarriers.put(threadId, barrier);
// We only send to the coordinator that we are ready after
// making the barrier, wait for request to come and let
// us free
sendToCoordinator(Type.CONSUMER_READY, threadId, local_addr);
try {
barrier.await();
break;
} catch (BrokenBarrierException e) {
if (log.isDebugEnabled())
log.debug(
"Producer timed out before we picked up"
+ " the task, have to tell coordinator"
+ " we are still good.");
}
}
// This should always be non nullable since the latch
// was freed
runnable = _tasks.remove(threadId);
_runnableThreads.put(runnable, currentThread);
return runnable;
} catch (InterruptedException e) {
if (log.isDebugEnabled()) log.debug("Consumer " + threadId + " stopped via interrupt");
sendToCoordinator(Type.CONSUMER_UNREADY, threadId, local_addr);
Thread.currentThread().interrupt();
} finally {
// Make sure the barriers are cleaned up as well
_taskBarriers.remove(threadId);
_consumerId.remove(threadId);
}
break;
case ExecutorEvent.TASK_COMPLETE:
Object arg = evt.getArg();
Throwable throwable = null;
if (arg instanceof Object[]) {
Object[] array = (Object[]) arg;
runnable = (Runnable) array[0];
throwable = (Throwable) array[1];
} else {
runnable = (Runnable) arg;
}
Owner owner = _running.remove(runnable);
// This won't remove anything if owner doesn't come back
_runnableThreads.remove(runnable);
Object value = null;
boolean exception = false;
if (throwable != null) {
// InterruptedException is special telling us that
// we interrupted the thread while waiting but still got
// a task therefore we have to reject it.
if (throwable instanceof InterruptedException) {
if (log.isDebugEnabled())
log.debug("Run rejected due to interrupted exception returned");
sendRequest(owner.address, Type.RUN_REJECTED, owner.requestId, null);
break;
}
value = throwable;
exception = true;
} else if (runnable instanceof RunnableFuture<?>) {
RunnableFuture<?> future = (RunnableFuture<?>) runnable;
boolean interrupted = false;
boolean gotValue = false;
// We have the value, before we interrupt at least get it!
while (!gotValue) {
try {
value = future.get();
gotValue = true;
} catch (InterruptedException e) {
interrupted = true;
} catch (ExecutionException e) {
value = e.getCause();
exception = true;
gotValue = true;
}
}
if (interrupted) {
Thread.currentThread().interrupt();
}
}
if (owner != null) {
final Type type;
final Object valueToSend;
if (value == null) {
type = Type.RESULT_SUCCESS;
valueToSend = value;
}
// Both serializable values and exceptions would go in here
else if (value instanceof Serializable
|| value instanceof Externalizable
|| value instanceof Streamable) {
type = exception ? Type.RESULT_EXCEPTION : Type.RESULT_SUCCESS;
valueToSend = value;
}
// This would happen if the value wasn't serializable,
// so we have to send back to the client that the class
// wasn't serializable
else {
type = Type.RESULT_EXCEPTION;
valueToSend = new NotSerializableException(value.getClass().getName());
}
if (local_addr.equals(owner.getAddress())) {
if (log.isTraceEnabled())
log.trace(
"[redirect] <--> ["
+ local_addr
+ "] "
+ type.name()
+ " ["
+ value
+ (owner.requestId != -1 ? " request id: " + owner.requestId : "")
+ "]");
if (type == Type.RESULT_SUCCESS) {
handleValueResponse(local_addr, owner.requestId, valueToSend);
} else if (type == Type.RESULT_EXCEPTION) {
handleExceptionResponse(local_addr, owner.requestId, (Throwable) valueToSend);
}
} else {
sendRequest(owner.getAddress(), type, owner.requestId, valueToSend);
}
} else {
if (log.isTraceEnabled()) {
log.trace("Could not return result - most likely because it was interrupted");
}
}
break;
case ExecutorEvent.TASK_CANCEL:
Object[] array = evt.getArg();
runnable = (Runnable) array[0];
if (_awaitingConsumer.remove(runnable)) {
_requestId.remove(runnable);
ExecutorNotification notification = notifiers.remove(runnable);
if (notification != null) {
notification.interrupted(runnable);
}
if (log.isTraceEnabled())
log.trace("Cancelled task " + runnable + " before it was picked up");
return Boolean.TRUE;
}
// This is guaranteed to not be null so don't take cost of auto unboxing
else if (array[1] == Boolean.TRUE) {
owner = removeKeyForValue(_awaitingReturn, runnable);
if (owner != null) {
Long requestIdValue = _requestId.remove(runnable);
// We only cancel if the requestId is still available
// this means the result hasn't been returned yet and
// we still have a chance to interrupt
if (requestIdValue != null) {
if (requestIdValue != owner.getRequestId()) {
log.warn("Cancelling requestId didn't match waiting");
}
sendRequest(owner.getAddress(), Type.INTERRUPT_RUN, owner.getRequestId(), null);
}
} else {
if (log.isTraceEnabled()) log.warn("Couldn't interrupt server task: " + runnable);
}
ExecutorNotification notification = notifiers.remove(runnable);
if (notification != null) {
notification.interrupted(runnable);
}
return Boolean.TRUE;
} else {
return Boolean.FALSE;
}
case ExecutorEvent.ALL_TASK_CANCEL:
array = evt.getArg();
// This is a RunnableFuture<?> so this cast is okay
@SuppressWarnings("unchecked")
Set<Runnable> runnables = (Set<Runnable>) array[0];
Boolean booleanValue = (Boolean) array[1];
List<Runnable> notRan = new ArrayList<>();
for (Runnable cancelRunnable : runnables) {
// Removed from the consumer
if (!_awaitingConsumer.remove(cancelRunnable) && booleanValue == Boolean.TRUE) {
synchronized (_awaitingReturn) {
owner = removeKeyForValue(_awaitingReturn, cancelRunnable);
if (owner != null) {
Long requestIdValue = _requestId.remove(cancelRunnable);
if (requestIdValue != owner.getRequestId()) {
log.warn("Cancelling requestId didn't match waiting");
}
sendRequest(owner.getAddress(), Type.INTERRUPT_RUN, owner.getRequestId(), null);
}
ExecutorNotification notification = notifiers.remove(cancelRunnable);
if (notification != null) {
log.trace("Notifying listener");
notification.interrupted(cancelRunnable);
}
}
} else {
_requestId.remove(cancelRunnable);
notRan.add(cancelRunnable);
}
}
return notRan;
case Event.SET_LOCAL_ADDRESS:
local_addr = evt.getArg();
break;
case Event.VIEW_CHANGE:
handleView(evt.getArg());
break;
}
return down_prot.down(evt);
}
public synchronized void setVariable(String variable, String value) {
if (value == null) variables.remove(value);
else variables.put(variable, value);
}
/**
* Creates an SCAudioClip from the given URI and adds it to the list of available audio-s.
*
* @param uri the path where the audio file could be found
* @param playback use or not the playback device.
* @return a newly created <tt>SCAudioClip</tt> from <tt>uri</tt>
*/
public SCAudioClip createAudio(String uri, boolean playback) {
SCAudioClip audio;
synchronized (audiosSyncRoot) {
final AudioKey key = new AudioKey(uri, playback);
/*
* While we want to reuse the SCAudioClip instances, they may be
* used by a single user at a time. That's why we'll forget about
* them while they are in use and we'll reclaim them when they are
* no longer in use.
*/
audio = (audios == null) ? null : audios.remove(key);
if (audio == null) {
try {
AudioSystem audioSystem = getDeviceConfiguration().getAudioSystem();
if (audioSystem == null) {
audio = new JavaSoundClipImpl(uri, this);
} else if (NoneAudioSystem.LOCATOR_PROTOCOL.equalsIgnoreCase(
audioSystem.getLocatorProtocol())) {
audio = null;
} else {
audio = new AudioSystemClipImpl(uri, this, audioSystem, playback);
}
} catch (Throwable t) {
if (t instanceof ThreadDeath) throw (ThreadDeath) t;
else {
/*
* Could not initialize a new SCAudioClip instance to be
* played.
*/
return null;
}
}
}
/*
* Make sure that the SCAudioClip will be reclaimed for reuse when
* it is no longer in use.
*/
if (audio != null) {
if (audios == null) audios = new HashMap<AudioKey, SCAudioClip>();
/*
* We have to return in the Map which was active at the time the
* SCAudioClip was initialized because it may have become
* invalid if the playback or notify audio device changed.
*/
final Map<AudioKey, SCAudioClip> finalAudios = audios;
final SCAudioClip finalAudio = audio;
audio =
new SCAudioClip() {
/**
* Evaluates a specific <tt>loopCondition</tt> as defined by {@link
* SCAudioClip#play(int,Callable)}.
*
* @param loopCondition the <tt>Callable<Boolean></tt> which represents the
* <tt>loopCondition</tt> to be evaluated
* @return {@link Boolean#FALSE} if <tt>loopCondition</tt> is <tt>null</tt>;
* otherwise, the value returned by invoking {@link Callable#call()} on the
* specified <tt>loopCondition</tt>
* @throws Exception if the specified <tt>loopCondition</tt> throws an
* <tt>Exception</tt>
*/
private Boolean evaluateLoopCondition(Callable<Boolean> loopCondition)
throws Exception {
/*
* SCAudioClip.play(int,Callable<Boolean>) is
* documented to play the SCAudioClip once only if
* the loopCondition is null. The same will be
* accomplished by returning Boolean.FALSE.
*/
return (loopCondition == null) ? Boolean.FALSE : loopCondition.call();
}
/**
* {@inheritDoc}
*
* <p>Returns the wrapped <tt>SCAudioClip</tt> into the cache from it has earlier been
* retrieved in order to allow its reuse.
*/
@Override
protected void finalize() throws Throwable {
try {
synchronized (audios) {
finalAudios.put(key, finalAudio);
}
} finally {
super.finalize();
}
}
public void play() {
/*
* SCAudioClip.play() is documented to behave as if
* loopInterval is negative and/or loopCondition is
* null. We have to take care that this instance
* does not get garbage collected until the
* finalAudio finishes playing so we will delegate
* to this instance's implementation of
* SCAudioClip.play(int,Callable<Boolean>) instead
* of to the finalAudio's.
*/
play(-1, null);
}
public void play(int loopInterval, final Callable<Boolean> finalLoopCondition) {
/*
* We have to make sure that this instance does not
* get garbage collected before the finalAudio
* finishes playing. The argument loopCondition of
* the method
* SCAudioClip.play(int,Callable<Boolean>) will
* live/be referenced during that time so we will
* use it to hold on to this instance.
*/
Callable<Boolean> loopCondition =
new Callable<Boolean>() {
public Boolean call() throws Exception {
return evaluateLoopCondition(finalLoopCondition);
}
};
finalAudio.play(loopInterval, loopCondition);
}
public void stop() {
finalAudio.stop();
}
/**
* Determines whether this audio is started i.e. a <tt>play</tt> method was invoked
* and no subsequent <tt>stop</tt> has been invoked yet.
*
* @return <tt>true</tt> if this audio is started; otherwise, <tt>false</tt>
*/
public boolean isStarted() {
return finalAudio.isStarted();
}
};
}
}
return audio;
}
/**
* Removes the endpoint from gossip completely
*
* @param endpoint endpoint to be removed from the current membership.
*/
void evictFromMembership(InetAddress endpoint) {
unreachableEndpoints_.remove(endpoint);
endpointStateMap_.remove(endpoint);
}