Package org.apache.pulsar.client.impl

Class ZeroQueueConsumerImpl<T>

java.lang.Object

org.apache.pulsar.client.impl.ConsumerBase<T>

org.apache.pulsar.client.impl.ConsumerImpl<T>

org.apache.pulsar.client.impl.ZeroQueueConsumerImpl<T>

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable, org.apache.pulsar.client.api.Consumer<T>

public class ZeroQueueConsumerImpl<T>
extends ConsumerImpl<T>

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.pulsar.client.impl.ConsumerBase

ConsumerBase.OpBatchReceive<T>

Field Summary

Fields

Modifier and Type	Field	Description
protected PulsarClientImpl	client
protected java.lang.String	topic

Fields inherited from class org.apache.pulsar.client.impl.ConsumerImpl

chunkedMessagesMap, expireTimeOfIncompleteChunkedMessageMillis, lastDequeuedMessageId, paused, stats

Fields inherited from class org.apache.pulsar.client.impl.ConsumerBase

batchReceivePolicy, batchReceiveTimeout, conf, CONSUMER_EPOCH, consumerEpoch, consumerEventListener, consumerName, executorProvider, externalPinnedExecutor, incomingMessagesSize, interceptors, internalPinnedExecutor, listener, maxReceiverQueueSize, pendingBatchReceives, pendingReceives, reentrantLock, schema, subscribeFuture, subscription, unAckedChunkedMessageIdSequenceMap

Constructor Summary

Constructors

Constructor

Description

ZeroQueueConsumerImpl(PulsarClientImpl client, java.lang.String topic, ConsumerConfigurationData<T> conf, ExecutorProvider executorProvider, int partitionIndex, boolean hasParentConsumer, java.util.concurrent.CompletableFuture<org.apache.pulsar.client.api.Consumer<T>> subscribeFuture, org.apache.pulsar.client.api.MessageId startMessageId, org.apache.pulsar.client.api.Schema<T> schema, ConsumerInterceptors<T> interceptors, boolean createTopicIfDoesNotExist)

Method Summary

Modifier and Type	Method	Description
protected boolean	canEnqueueMessage(org.apache.pulsar.client.api.Message<T> message)
protected boolean	changeToConnecting()
protected boolean	changeToReadyState()
protected boolean	changeToRegisteringSchemaState()
protected void	consumerIsReconnectedToBroker(ClientCnx cnx, int currentQueueSize)
protected org.apache.pulsar.client.impl.HandlerState.State	getAndUpdateState(java.util.function.UnaryOperator<org.apache.pulsar.client.impl.HandlerState.State> updater)
PulsarClientImpl	getClient()
protected org.apache.pulsar.client.impl.HandlerState.State	getState()
protected org.apache.pulsar.client.api.Message<T>	internalReceive()
protected java.util.concurrent.CompletableFuture<org.apache.pulsar.client.api.Message<T>>	internalReceiveAsync()
protected void	setState(org.apache.pulsar.client.impl.HandlerState.State s)
protected void	tryTriggerListener()

Methods inherited from class org.apache.pulsar.client.impl.ConsumerImpl

clearIncomingMessagesAndGetMessageNumber, closeAsync, completeOpBatchReceive, connectionFailed, connectionOpened, doAcknowledge, doAcknowledge, doReconsumeLater, equals, getAvailablePermits, getClientCnx, getConnectionHandler, getLastDisconnectedTimestamp, getLastMessageIdAsync, getPossibleSendToDeadLetterTopicMessages, getStats, getTopicNameWithoutPartition, getUnAckedMessageTracker, hashCode, hasMessageAvailable, hasMessageAvailableAsync, hasReachedEndOfTopic, increaseAvailablePermits, increaseAvailablePermits, internalBatchReceive, internalBatchReceiveAsync, internalGetLastMessageIdAsync, internalReceive, isBatch, isConnected, isConnected, messageProcessed, negativeAcknowledge, negativeAcknowledge, newMessage, newSingleMessage, numMessagesInQueue, pause, redeliverUnacknowledgedMessages, redeliverUnacknowledgedMessages, removeExpireIncompleteChunkedMessages, resume, seek, seek, seek, seekAsync, seekAsync, seekAsync, trackMessage, trackMessage, trackMessage, unsubscribeAsync

Methods inherited from class org.apache.pulsar.client.impl.ConsumerBase

acknowledge, acknowledge, acknowledge, acknowledge, acknowledgeAsync, acknowledgeAsync, acknowledgeAsync, acknowledgeAsync, acknowledgeAsync, acknowledgeCumulative, acknowledgeCumulative, acknowledgeCumulativeAsync, acknowledgeCumulativeAsync, acknowledgeCumulativeAsync, batchReceive, batchReceiveAsync, beforeConsume, callMessageListener, clearIncomingMessages, close, completePendingBatchReceive, completePendingReceive, decreaseIncomingMessageSize, doAcknowledgeWithTxn, doAcknowledgeWithTxn, enqueueMessageAndCheckBatchReceive, failPendingReceive, getConsumerName, getIncomingMessageSize, getLastMessageId, getNewMessagesImpl, getSubscription, getSubType, getTopic, getTotalIncomingMessages, hasBatchReceiveTimeout, hasEnoughMessagesForBatchReceive, hasNextPendingReceive, hasPendingBatchReceive, isValidConsumerEpoch, negativeAcknowledge, nextPendingReceive, notifyPendingBatchReceivedCallBack, notifyPendingBatchReceivedCallBack, onAcknowledge, onAcknowledgeCumulative, onAckTimeoutSend, onNegativeAcksSend, onPartitionsChange, peekMessageKey, receive, receive, receiveAsync, reconsumeLater, reconsumeLater, reconsumeLater, reconsumeLaterAsync, reconsumeLaterAsync, reconsumeLaterAsync, reconsumeLaterCumulative, reconsumeLaterCumulativeAsync, reconsumeLaterCumulativeAsync, resetIncomingMessageSize, setMaxReceiverQueueSize, subscribeFuture, toString, triggerBatchReceiveTimeoutTask, unsubscribe

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

client

protected final PulsarClientImpl client

topic

protected final java.lang.String topic

Constructor Detail

ZeroQueueConsumerImpl

public ZeroQueueConsumerImpl(PulsarClientImpl client,
                             java.lang.String topic,
                             ConsumerConfigurationData<T> conf,
                             ExecutorProvider executorProvider,
                             int partitionIndex,
                             boolean hasParentConsumer,
                             java.util.concurrent.CompletableFuture<org.apache.pulsar.client.api.Consumer<T>> subscribeFuture,
                             org.apache.pulsar.client.api.MessageId startMessageId,
                             org.apache.pulsar.client.api.Schema<T> schema,
                             ConsumerInterceptors<T> interceptors,
                             boolean createTopicIfDoesNotExist)

Method Detail

internalReceive

protected org.apache.pulsar.client.api.Message<T> internalReceive()
                                                           throws org.apache.pulsar.client.api.PulsarClientException

Overrides:

internalReceive in class ConsumerImpl<T>

Throws:

org.apache.pulsar.client.api.PulsarClientException

internalReceiveAsync

protected java.util.concurrent.CompletableFuture<org.apache.pulsar.client.api.Message<T>> internalReceiveAsync()

Overrides:

internalReceiveAsync in class ConsumerImpl<T>

consumerIsReconnectedToBroker

protected void consumerIsReconnectedToBroker(ClientCnx cnx,
                                             int currentQueueSize)

Overrides:

consumerIsReconnectedToBroker in class ConsumerImpl<T>

canEnqueueMessage

protected boolean canEnqueueMessage(org.apache.pulsar.client.api.Message<T> message)

Overrides:

canEnqueueMessage in class ConsumerBase<T>

tryTriggerListener

protected void tryTriggerListener()

Overrides:

tryTriggerListener in class ConsumerBase<T>

changeToReadyState

protected boolean changeToReadyState()

changeToRegisteringSchemaState

protected boolean changeToRegisteringSchemaState()

getState

protected org.apache.pulsar.client.impl.HandlerState.State getState()

changeToConnecting

protected boolean changeToConnecting()

setState

protected void setState(org.apache.pulsar.client.impl.HandlerState.State s)

getAndUpdateState

protected org.apache.pulsar.client.impl.HandlerState.State getAndUpdateState(java.util.function.UnaryOperator<org.apache.pulsar.client.impl.HandlerState.State> updater)

getClient

public PulsarClientImpl getClient()