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:

io.netty.util.TimerTask, Closeable, AutoCloseable, 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 and Description
protected PulsarClientImpl	client
protected String	topic

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

lastDequeuedMessage, paused, stats

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

batchReceivePolicy, batchReceiveTimeout, conf, consumerEventListener, consumerName, INCOMING_MESSAGES_SIZE_UPDATER, incomingMessagesSize, interceptors, listener, listenerExecutor, maxReceiverQueueSize, pendingBatchReceives, pendingReceives, schema, subscribeFuture, subscription

Constructor Summary

Constructors

Constructor and Description

ZeroQueueConsumerImpl(PulsarClientImpl client, String topic, ConsumerConfigurationData<T> conf, ExecutorService listenerExecutor, int partitionIndex, boolean hasParentConsumer, CompletableFuture<Consumer<T>> subscribeFuture, org.apache.pulsar.client.impl.ConsumerImpl.SubscriptionMode subscriptionMode, MessageId startMessageId, Schema<T> schema, ConsumerInterceptors<T> interceptors, boolean createTopicIfDoesNotExist)

Method Summary

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

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

closeAsync, completeOpBatchReceive, connectionFailed, connectionOpened, doAcknowledge, getAvailablePermits, getClientCnx, getConnectionHandler, getLastMessageIdAsync, getStats, getTopicNameWithoutPartition, getUnAckedMessageTracker, hashCode, hasMessageAvailable, hasMessageAvailableAsync, hasReachedEndOfTopic, internalBatchReceive, internalBatchReceiveAsync, internalReceive, isConnected, messageProcessed, negativeAcknowledge, numMessagesInQueue, pause, redeliverUnacknowledgedMessages, redeliverUnacknowledgedMessages, resume, seek, seek, seekAsync, seekAsync, trackMessage, unsubscribeAsync

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

acknowledge, acknowledge, acknowledge, acknowledgeAsync, acknowledgeAsync, acknowledgeAsync, acknowledgeAsync, acknowledgeCumulative, acknowledgeCumulative, acknowledgeCumulativeAsync, acknowledgeCumulativeAsync, acknowledgeCumulativeAsync, batchReceive, batchReceiveAsync, beforeConsume, close, doAcknowledgeWithTxn, enqueueMessageAndCheckBatchReceive, getConsumerName, getLastMessageId, getNewMessagesImpl, getSubscription, getSubType, getTopic, hasEnoughMessagesForBatchReceive, hasPendingBatchReceive, negativeAcknowledge, negativeAcknowledge, notifyPendingBatchReceivedCallBack, notifyPendingBatchReceivedCallBack, onAcknowledge, onAcknowledgeCumulative, onAckTimeoutSend, onNegativeAcksSend, receive, receive, receiveAsync, run, setMaxReceiverQueueSize, subscribeFuture, toString, unsubscribe

Methods inherited from class java.lang.Object

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

Field Detail

client

protected final PulsarClientImpl client

topic

protected final String topic

Constructor Detail

ZeroQueueConsumerImpl

public ZeroQueueConsumerImpl(PulsarClientImpl client,
                             String topic,
                             ConsumerConfigurationData<T> conf,
                             ExecutorService listenerExecutor,
                             int partitionIndex,
                             boolean hasParentConsumer,
                             CompletableFuture<Consumer<T>> subscribeFuture,
                             org.apache.pulsar.client.impl.ConsumerImpl.SubscriptionMode subscriptionMode,
                             MessageId startMessageId,
                             Schema<T> schema,
                             ConsumerInterceptors<T> interceptors,
                             boolean createTopicIfDoesNotExist)

Method Detail

internalReceive

protected Message<T> internalReceive()
                              throws PulsarClientException

Overrides:

internalReceive in class ConsumerImpl<T>

Throws:

PulsarClientException

internalReceiveAsync

protected CompletableFuture<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(Message<T> message)

Overrides:

canEnqueueMessage in class ConsumerBase<T>

triggerListener

protected void triggerListener(int numMessages)

Overrides:

triggerListener in class ConsumerImpl<T>

changeToReadyState

protected boolean changeToReadyState()

changeToRegisteringSchemaState

protected boolean changeToRegisteringSchemaState()

getState

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

setState

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

getAndUpdateState

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

getClient

public PulsarClientImpl getClient()