Package org.apache.pulsar.broker.service.persistent

Class PersistentStreamingDispatcherMultipleConsumers

java.lang.Object

org.apache.pulsar.broker.service.AbstractBaseDispatcher

org.apache.pulsar.broker.service.AbstractDispatcherMultipleConsumers

org.apache.pulsar.broker.service.persistent.PersistentDispatcherMultipleConsumers

org.apache.pulsar.broker.service.persistent.PersistentStreamingDispatcherMultipleConsumers

All Implemented Interfaces:

org.apache.bookkeeper.mledger.AsyncCallbacks.ReadEntriesCallback, Dispatcher, StreamingDispatcher

public class PersistentStreamingDispatcherMultipleConsumers
extends PersistentDispatcherMultipleConsumers
implements StreamingDispatcher

A PersistentDispatcherMultipleConsumers implemented StreamingDispatcher. It'll use StreamingEntryReader to read new entries instead read as micro batch from managed ledger.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.pulsar.broker.service.persistent.PersistentDispatcherMultipleConsumers

PersistentDispatcherMultipleConsumers.ReadType

Field Summary

Fields inherited from class org.apache.pulsar.broker.service.persistent.PersistentDispatcherMultipleConsumers

BLOCKED_DISPATCHER_ON_UNACKMSG_UPDATER, cursor, dispatchRateLimiter, havePendingRead, havePendingReplayRead, lastIndividualDeletedRangeFromCursorRecovery, minReplayedPosition, name, readBatchSize, readFailureBackoff, redeliveryMessages, redeliveryTracker, shouldRewindBeforeReadingOrReplaying, topic, TOTAL_AVAILABLE_PERMITS_UPDATER, totalAvailablePermits, totalUnackedMessages

Fields inherited from class org.apache.pulsar.broker.service.AbstractDispatcherMultipleConsumers

consumerList, consumerSet, currentConsumerRoundRobinIndex, FALSE, IS_CLOSED_UPDATER, TRUE

Fields inherited from class org.apache.pulsar.broker.service.AbstractBaseDispatcher

dispatchThrottlingOnBatchMessageEnabled, entryFilters, filterContext, serviceConfig, subscription

Constructor Summary

Constructors

Constructor	Description
PersistentStreamingDispatcherMultipleConsumers(PersistentTopic topic, org.apache.bookkeeper.mledger.ManagedCursor cursor, Subscription subscription)

Method Summary

Modifier and Type	Method	Description
protected void	cancelPendingRead()
void	canReadMoreEntries(boolean withBackoff)	Notify dispatcher can issue next read request.
void	notifyConsumersEndOfTopic()	Notify dispatcher to inform consumers reached end of topic.
void	readEntryComplete(org.apache.bookkeeper.mledger.Entry entry, PendingReadEntryRequest ctx)	Notify dispatcher issued read entry request has complete.
void	readMoreEntries()

Methods inherited from class org.apache.pulsar.broker.service.persistent.PersistentDispatcherMultipleConsumers

addConsumer, addMessageToReplay, addMessageToReplay, addUnAckedMessages, asyncReplayEntries, asyncReplayEntriesInOrder, blockDispatcherOnUnackedMsgs, calculateToRead, canUnsubscribe, checkAndUnblockIfStuck, clearDelayedMessages, close, consumerFlow, cursorIsReset, disconnectActiveConsumers, disconnectAllConsumers, getConsumers, getFirstAvailableConsumerPermits, getMessagesToReplayNow, getName, getNumberOfDelayedMessages, getRateLimiter, getRedeliveryTracker, getStickyKeyHash, getTopic, getTotalUnackedMessages, getType, initializeDispatchRateLimiterIfNeeded, isAtleastOneConsumerAvailable, isBlockedDispatcherOnUnackedMsgs, isConsumerAvailable, isConsumerConnected, isConsumersExceededOnSubscription, readEntriesComplete, readEntriesFailed, redeliverUnacknowledgedMessages, redeliverUnacknowledgedMessages, removeConsumer, reScheduleRead, reset, resetCloseFuture, sendMessagesToConsumers, shouldPauseDeliveryForDelayTracker, trackDelayedDelivery, unBlockDispatcherOnUnackedMsgs, updateRateLimiter

Methods inherited from class org.apache.pulsar.broker.service.AbstractDispatcherMultipleConsumers

getNextConsumer, getRandomConsumer, isClosed

Methods inherited from class org.apache.pulsar.broker.service.AbstractBaseDispatcher

computeReadLimits, filterEntriesForConsumer, filterEntriesForConsumer, isConsumersExceededOnSubscription, peekStickyKey, reachDispatchRateLimit, updateEntryWrapperWithMetadata, updateMessagesToRead

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.apache.pulsar.broker.service.Dispatcher

addConsumer, addUnAckedMessages, canUnsubscribe, checkAndUnblockIfStuck, clearDelayedMessages, close, consumerFlow, cursorIsReset, disconnectActiveConsumers, disconnectAllConsumers, disconnectAllConsumers, getConsumers, getNumberOfDelayedMessages, getRateLimiter, getRedeliveryTracker, getType, initializeDispatchRateLimiterIfNeeded, isClosed, isConsumerConnected, markDeletePositionMoveForward, redeliverUnacknowledgedMessages, redeliverUnacknowledgedMessages, removeConsumer, reset, resetCloseFuture, trackDelayedDelivery, updateRateLimiter

Methods inherited from interface org.apache.pulsar.broker.service.streamingdispatch.StreamingDispatcher

getName

Constructor Detail

PersistentStreamingDispatcherMultipleConsumers

public PersistentStreamingDispatcherMultipleConsumers(PersistentTopic topic,
                                                      org.apache.bookkeeper.mledger.ManagedCursor cursor,
                                                      Subscription subscription)

Method Detail

readEntryComplete

public void readEntryComplete(org.apache.bookkeeper.mledger.Entry entry,
                              PendingReadEntryRequest ctx)

Notify dispatcher issued read entry request has complete.

Specified by:

readEntryComplete in interface StreamingDispatcher

Parameters:

entry - Entry read.

ctx - Context passed in when issuing read entries request.

canReadMoreEntries

public void canReadMoreEntries(boolean withBackoff)

Notify dispatcher can issue next read request.

Specified by:

canReadMoreEntries in interface StreamingDispatcher

notifyConsumersEndOfTopic

public void notifyConsumersEndOfTopic()

Notify dispatcher to inform consumers reached end of topic.

Specified by:

notifyConsumersEndOfTopic in interface StreamingDispatcher

cancelPendingRead

protected void cancelPendingRead()

Overrides:

cancelPendingRead in class PersistentDispatcherMultipleConsumers

readMoreEntries

public void readMoreEntries()

Overrides:

readMoreEntries in class PersistentDispatcherMultipleConsumers