org.apache.pulsar.broker.service.persistent

Class PersistentStreamingDispatcherSingleActiveConsumer

java.lang.Object

org.apache.pulsar.broker.service.AbstractBaseDispatcher

org.apache.pulsar.broker.service.AbstractDispatcherSingleActiveConsumer

org.apache.pulsar.broker.service.persistent.PersistentDispatcherSingleActiveConsumer

org.apache.pulsar.broker.service.persistent.PersistentStreamingDispatcherSingleActiveConsumer

All Implemented Interfaces:

AsyncCallbacks.ReadEntriesCallback, Dispatcher, StreamingDispatcher

public class PersistentStreamingDispatcherSingleActiveConsumer
extends PersistentDispatcherSingleActiveConsumer
implements StreamingDispatcher

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

Field Summary

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

havePendingRead, name, readBatchSize, readFailureBackoff, topic

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

ACTIVE_CONSUMER_UPDATER, closeFuture, consumers, cursor, FALSE, IS_CLOSED_UPDATER, isFirstRead, isKeyHashRangeFiltered, partitionIndex, stickyKeyConsumerSelector, subscriptionType, topicName, TRUE

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

serviceConfig, subscription

Constructor Summary

Constructors

Constructor and Description
PersistentStreamingDispatcherSingleActiveConsumer(ManagedCursor cursor, org.apache.pulsar.common.api.proto.CommandSubscribe.SubType subscriptionType, int partitionIndex, PersistentTopic topic, Subscription subscription)

Method Summary

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

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

addUnAckedMessages, calculateToRead, checkAndUnblockIfStuck, close, consumerFlow, dispatchEntriesToConsumer, getRateLimiter, getRedeliveryTracker, initializeDispatchRateLimiterIfNeeded, internalReadEntriesComplete, isConsumersExceededOnSubscription, readEntriesComplete, readEntriesFailed, redeliverUnacknowledgedMessages, redeliverUnacknowledgedMessages, scheduleReadOnActiveConsumer, updateRateLimiter

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

addConsumer, canUnsubscribe, disconnectActiveConsumers, disconnectAllConsumers, getActiveConsumer, getConsumers, getType, isClosed, isConsumerConnected, notifyActiveConsumerChanged, pickAndScheduleActiveConsumer, removeConsumer, reset, resetCloseFuture

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

computeReadLimits, filterEntriesForConsumer, filterEntriesForConsumer, isConsumersExceededOnSubscription, peekStickyKey, updateEntryWrapperWithMetadata

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

Constructor Detail

PersistentStreamingDispatcherSingleActiveConsumer

public PersistentStreamingDispatcherSingleActiveConsumer(ManagedCursor cursor,
                                                         org.apache.pulsar.common.api.proto.CommandSubscribe.SubType subscriptionType,
                                                         int partitionIndex,
                                                         PersistentTopic topic,
                                                         Subscription subscription)

Method Detail

canReadMoreEntries

public void canReadMoreEntries(boolean withBackoff)

Notify dispatcher can issue next read request.

Specified by:

canReadMoreEntries in interface StreamingDispatcher

cancelPendingRead

protected void cancelPendingRead()

Overrides:

cancelPendingRead in class PersistentDispatcherSingleActiveConsumer

notifyConsumersEndOfTopic

public void notifyConsumersEndOfTopic()

Notify dispatcher to inform consumers reached end of topic.

Specified by:

notifyConsumersEndOfTopic in interface StreamingDispatcher

getName

public String getName()

Specified by:

getName in interface StreamingDispatcher

Returns:

Name of the dispatcher.

readEntryComplete

public void readEntryComplete(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.

internalReadEntryComplete

public void internalReadEntryComplete(Entry entry,
                                      PendingReadEntryRequest ctx)

readMoreEntries

protected void readMoreEntries(Consumer consumer)

Overrides:

readMoreEntries in class PersistentDispatcherSingleActiveConsumer