org.apache.pulsar.broker.service.persistent

Class PersistentReplicator

java.lang.Object

org.apache.pulsar.broker.service.AbstractReplicator

org.apache.pulsar.broker.service.persistent.PersistentReplicator

All Implemented Interfaces:

AsyncCallbacks.DeleteCallback, AsyncCallbacks.ReadEntriesCallback, Replicator

public class PersistentReplicator
extends AbstractReplicator
implements Replicator, AsyncCallbacks.ReadEntriesCallback, AsyncCallbacks.DeleteCallback

Nested Class Summary

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

AbstractReplicator.State

Field Summary

Fields

Modifier and Type	Field and Description
protected ManagedCursor	cursor

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

backOff, brokerService, client, localCluster, producer, producerBuilder, producerQueueSize, remoteCluster, REPL_PRODUCER_NAME_DELIMITER, replicatorPrefix, STATE_UPDATER, topicName

Constructor Summary

Constructors

Constructor and Description
PersistentReplicator(PersistentTopic topic, ManagedCursor cursor, String localCluster, String remoteCluster, BrokerService brokerService)
PersistentReplicator(PersistentTopic topic, String replicatorName, String localCluster, String remoteCluster, BrokerService brokerService, ManagedLedger ledger)

Method Summary

Modifier and Type	Method and Description
CompletableFuture<Void>	clearBacklog()
void	deleteComplete(Object ctx)
void	deleteFailed(ManagedLedgerException exception, Object ctx)
protected void	disableReplicatorRead()
CompletableFuture<Void>	disconnect()
CompletableFuture<Void>	disconnect(boolean failIfHasBacklog)
boolean	expireMessages(int messageTTLInSeconds)
boolean	expireMessages(Position position)
protected long	getNumberOfEntriesInBacklog()
Optional<DispatchRateLimiter>	getRateLimiter()
protected Position	getReplicatorReadPosition()
org.apache.pulsar.common.policies.data.ReplicatorStats	getStats()
void	initializeDispatchRateLimiterIfNeeded(Optional<org.apache.pulsar.common.policies.data.Policies> policies)
boolean	isConnected()
protected CompletableFuture<Void>	openCursorAsync()
CompletableFuture<Entry>	peekNthMessage(int messagePosition)
protected void	readEntries(org.apache.pulsar.client.api.Producer<byte[]> producer)
void	readEntriesComplete(List<Entry> entries, Object ctx)
void	readEntriesFailed(ManagedLedgerException exception, Object ctx)
protected void	readMoreEntries()
CompletableFuture<Void>	skipMessages(int numMessagesToSkip)
void	updateCursorState()
void	updateMessageTTL(int messageTTLInSeconds)
void	updateRates()

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

closeProducerAsync, getRemoteCluster, getRemoteCluster, getReplicatorName, isWritable, remove, startProducer

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.Replicator

getRemoteCluster, startProducer

Field Detail

cursor

protected volatile ManagedCursor cursor

Constructor Detail

PersistentReplicator

public PersistentReplicator(PersistentTopic topic,
                            ManagedCursor cursor,
                            String localCluster,
                            String remoteCluster,
                            BrokerService brokerService)
                     throws BrokerServiceException.NamingException

Throws:

BrokerServiceException.NamingException

PersistentReplicator

public PersistentReplicator(PersistentTopic topic,
                            String replicatorName,
                            String localCluster,
                            String remoteCluster,
                            BrokerService brokerService,
                            ManagedLedger ledger)
                     throws BrokerServiceException.NamingException

Throws:

BrokerServiceException.NamingException

Method Detail

readEntries

protected void readEntries(org.apache.pulsar.client.api.Producer<byte[]> producer)

Specified by:

readEntries in class AbstractReplicator

getReplicatorReadPosition

protected Position getReplicatorReadPosition()

Specified by:

getReplicatorReadPosition in class AbstractReplicator

getNumberOfEntriesInBacklog

protected long getNumberOfEntriesInBacklog()

Specified by:

getNumberOfEntriesInBacklog in class AbstractReplicator

disableReplicatorRead

protected void disableReplicatorRead()

Specified by:

disableReplicatorRead in class AbstractReplicator

openCursorAsync

protected CompletableFuture<Void> openCursorAsync()

Specified by:

openCursorAsync in class AbstractReplicator

readMoreEntries

protected void readMoreEntries()

readEntriesComplete

public void readEntriesComplete(List<Entry> entries,
                                Object ctx)

Specified by:

readEntriesComplete in interface AsyncCallbacks.ReadEntriesCallback

updateCursorState

public void updateCursorState()

readEntriesFailed

public void readEntriesFailed(ManagedLedgerException exception,
                              Object ctx)

Specified by:

readEntriesFailed in interface AsyncCallbacks.ReadEntriesCallback

clearBacklog

public CompletableFuture<Void> clearBacklog()

skipMessages

public CompletableFuture<Void> skipMessages(int numMessagesToSkip)

peekNthMessage

public CompletableFuture<Entry> peekNthMessage(int messagePosition)

deleteComplete

public void deleteComplete(Object ctx)

Specified by:

deleteComplete in interface AsyncCallbacks.DeleteCallback

deleteFailed

public void deleteFailed(ManagedLedgerException exception,
                         Object ctx)

Specified by:

deleteFailed in interface AsyncCallbacks.DeleteCallback

updateRates

public void updateRates()

Specified by:

updateRates in interface Replicator

getStats

public org.apache.pulsar.common.policies.data.ReplicatorStats getStats()

Specified by:

getStats in interface Replicator

updateMessageTTL

public void updateMessageTTL(int messageTTLInSeconds)

expireMessages

public boolean expireMessages(int messageTTLInSeconds)

expireMessages

public boolean expireMessages(Position position)

getRateLimiter

public Optional<DispatchRateLimiter> getRateLimiter()

Specified by:

getRateLimiter in interface Replicator

initializeDispatchRateLimiterIfNeeded

public void initializeDispatchRateLimiterIfNeeded(Optional<org.apache.pulsar.common.policies.data.Policies> policies)

Specified by:

initializeDispatchRateLimiterIfNeeded in interface Replicator

disconnect

public CompletableFuture<Void> disconnect()

Specified by:

disconnect in interface Replicator

Overrides:

disconnect in class AbstractReplicator

disconnect

public CompletableFuture<Void> disconnect(boolean failIfHasBacklog)

Specified by:

disconnect in interface Replicator

Overrides:

disconnect in class AbstractReplicator

isConnected

public boolean isConnected()

Specified by:

isConnected in interface Replicator