org.apache.pulsar.broker.service.persistent

Class SystemTopic

java.lang.Object

org.apache.pulsar.broker.service.AbstractTopic

org.apache.pulsar.broker.service.persistent.PersistentTopic

org.apache.pulsar.broker.service.persistent.SystemTopic

All Implemented Interfaces:

AsyncCallbacks.AddEntryCallback, Topic, TopicPolicyListener<org.apache.pulsar.common.policies.data.TopicPolicies>

public class SystemTopic
extends PersistentTopic

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.pulsar.broker.service.Topic

Topic.PublishContext

Field Summary

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

delayedDeliveryEnabled, delayedDeliveryTickTimeMillis, ledger, MESSAGE_RATE_BACKOFF_MS, messageDeduplication, msgChunkPublished, USAGE_COUNT_UPDATER

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

addEntryLatencyStatsUsec, brokerService, hasBatchMessagePublished, inactiveTopicPolicies, isAllowAutoUpdateSchema, isEncryptionRequired, isFenced, lastActive, lock, maxSubscriptionsPerTopic, maxUnackedMessagesOnConsumer, preciseTopicPublishRateLimitingEnable, producers, replicatorPrefix, schemaCompatibilityStrategy, schemaValidationEnforced, topic, topicPublishRateLimiter, transactionBuffer, transactionBufferLock

Constructor Summary

Constructors

Constructor and Description
SystemTopic(String topic, ManagedLedger ledger, BrokerService brokerService)

Method Summary

Modifier and Type	Method and Description
void	checkGC()
void	checkMessageExpiry()
CompletableFuture<Void>	checkReplication()
boolean	isBacklogExceeded()
boolean	isSystemTopic()
CompletableFuture<Void>	preCreateSubForCompactionIfNeeded()

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

addComplete, addFailed, addProducer, addReplicationCluster, addSchemaIfIdleOrCheckCompatible, asyncReadEntry, checkBackloggedCursors, checkCompaction, checkDeduplicationSnapshot, checkDeduplicationStatus, checkInactiveSubscriptions, checkMessageDeduplicationInfo, clearBacklog, clearBacklog, close, close, compactionStatus, createSubscription, delete, deleteForcefully, endTxn, getBacklogQuota, getBacklogSize, getCompactedTopic, getDelayedDeliveryTickTimeMillis, getDispatchRateLimiter, getFirstPosition, getInternalStats, getLastMessageId, getLastPosition, getLastPublishedSequenceId, getLastUpdatedAvgPublishRateInByte, getLastUpdatedAvgPublishRateInMsg, getManagedLedger, getMaxUnackedMessagesOnConsumer, getMaxUnackedMessagesOnSubscription, getMessageDeduplication, getNumberOfConsumers, getNumberOfEntries, getPersistentReplicator, getPositionAfterN, getReplicators, getStats, getSubscribeRateLimiter, getSubscription, getSubscriptions, getTransactionBuffer, handleProducerRemoved, hasCompactionTriggered, isActive, isBacklogQuotaExceeded, isDeduplicationEnabled, isDelayedDeliveryEnabled, isOldestMessageExpired, isReplicated, offloadStatus, onPoliciesUpdate, onUpdate, publishMessage, publishTxnMessage, removeProducer, startReplProducers, stopReplProducers, subscribe, terminate, triggerCompaction, triggerOffload, unsubscribe, updateRates

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

addConsumerToSubscription, addSchema, checkSchemaCompatibleForConsumer, checkTopicFenced, checkTopicPublishThrottlingRate, deletePartitionedTopicMetadataWhileInactive, deleteSchema, disableCnxAutoRead, disableProducerRead, enableCnxAutoRead, enableProducerReadForPublishBufferLimiting, enableProducerReadForPublishRateLimiting, getBrokerPublishRateLimiter, getBrokerService, getBytesInCounter, getBytesOutCounter, getInactiveTopicPolicies, getMsgInCounter, getMsgOutCounter, getName, getProducers, getReplicatorPrefix, getSchemaValidationEnforced, getTopicPolicies, getTopicPublishRateLimiter, hasLocalProducers, hasSchema, incrementPublishCount, internalAddProducer, isBrokerPublishRateExceeded, isConsumersExceededOnTopic, isDeleteWhileInactive, isEncryptionRequired, isExceedMaximumMessageSize, isProducersExceeded, isPublishRateExceeded, isTopicPublishRateExceeded, markBatchMessagePublished, recordAddLatency, resetBrokerPublishCountAndEnableReadIfRequired, resetInactiveTopicPolicies, resetTopicPublishCountAndEnableReadIfRequired, setDeleteWhileInactive, setSchemaCompatibilityStrategy, toString, updateMaxPublishRate, updatePublishDispatcher

Methods inherited from class java.lang.Object

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

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

addSchema, checkSchemaCompatibleForConsumer, checkTopicPublishThrottlingRate, deleteSchema, disableCnxAutoRead, enableCnxAutoRead, getName, getProducers, getSchemaValidationEnforced, hasSchema, incrementPublishCount, isBrokerPublishRateExceeded, isEncryptionRequired, isPublishRateExceeded, isTopicPublishRateExceeded, recordAddLatency, resetBrokerPublishCountAndEnableReadIfRequired, resetTopicPublishCountAndEnableReadIfRequired

Constructor Detail

SystemTopic

public SystemTopic(String topic,
                   ManagedLedger ledger,
                   BrokerService brokerService)
            throws BrokerServiceException.NamingException,
                   PulsarServerException

Throws:

BrokerServiceException.NamingException

PulsarServerException

Method Detail

isBacklogExceeded

public boolean isBacklogExceeded()

Overrides:

isBacklogExceeded in class PersistentTopic

Returns:

determine if quota enforcement needs to be done for topic

isSystemTopic

public boolean isSystemTopic()

Specified by:

isSystemTopic in interface Topic

Overrides:

isSystemTopic in class PersistentTopic

checkMessageExpiry

public void checkMessageExpiry()

Specified by:

checkMessageExpiry in interface Topic

Overrides:

checkMessageExpiry in class PersistentTopic

checkGC

public void checkGC()

Specified by:

checkGC in interface Topic

Overrides:

checkGC in class PersistentTopic

checkReplication

public CompletableFuture<Void> checkReplication()

Specified by:

checkReplication in interface Topic

Overrides:

checkReplication in class PersistentTopic

preCreateSubForCompactionIfNeeded

public CompletableFuture<Void> preCreateSubForCompactionIfNeeded()