Package org.apache.iotdb.confignode.persistence.subscription

Class SubscriptionInfo

java.lang.Object

org.apache.iotdb.confignode.persistence.subscription.SubscriptionInfo

All Implemented Interfaces:

SnapshotProcessor

public class SubscriptionInfo
extends Object
implements SnapshotProcessor

Constructor Summary

Constructors

Constructor	Description
SubscriptionInfo()

Method Summary

Modifier and Type	Method	Description
void	acquireWriteLock()
TSStatus	alterConsumerGroup(AlterConsumerGroupPlan plan)
TSStatus	alterMultipleTopics(AlterMultipleTopicsPlan plan)
TSStatus	alterTopic(AlterTopicPlan plan)
boolean	canSkipNextSync()
void	checkBeforeAlterConsumerGroupInternal(ConsumerGroupMeta consumerGroupMeta)
TSStatus	createTopic(CreateTopicPlan plan)
ConsumerGroupMeta	deepCopyConsumerGroupMeta(String consumerGroupName)
TopicMeta	deepCopyTopicMeta(String topicName)
TSStatus	dropTopic(DropTopicPlan plan)
List<ConsumerGroupMeta>	getAllConsumerGroupMeta()
Iterable<TopicMeta>	getAllTopicMeta()
ConsumerGroupMeta	getConsumerGroupMeta(String consumerGroupName)
TopicMeta	getTopicMeta(String topicName)
TSStatus	handleConsumerGroupMetaChanges(ConsumerGroupHandleMetaChangePlan plan)
TSStatus	handleTopicMetaChanges(TopicHandleMetaChangePlan plan)
boolean	isConsumerExisted(String consumerGroupName, String consumerId)
boolean	isConsumerGroupExisted(String consumerGroupName)
boolean	isTopicExisted(String topicName)
boolean	isTopicSubscribedByConsumerGroup(String topicName, String consumerGroupId)
Optional<org.apache.tsfile.utils.Pair<String,String>>	parseSubscriptionId(String subscriptionId)
void	processLoadSnapshot(File snapshotDir)
boolean	processTakeSnapshot(File snapshotDir)
void	releaseWriteLock()
DataSet	showSubscriptions()
DataSet	showTopics()
void	updateLastSyncedVersion()	Caller should ensure that the method is called in the lock acquireWriteLock().
void	validateBeforeAlterConsumerGroup(ConsumerGroupMeta consumerGroupMeta)
void	validateBeforeAlteringTopic(TopicMeta topicMeta)
void	validateBeforeCreatingConsumer(TCreateConsumerReq createConsumerReq)
boolean	validateBeforeCreatingTopic(TCreateTopicReq createTopicReq)
void	validateBeforeDroppingConsumer(TCloseConsumerReq dropConsumerReq)
void	validateBeforeDroppingTopic(String topicName)
void	validateBeforeSubscribe(TSubscribeReq subscribeReq)
void	validateBeforeUnsubscribe(TUnsubscribeReq unsubscribeReq)
void	validatePipePluginUsageByTopic(String pipePluginName)
void	validatePipePluginUsageByTopicInternal(String pipePluginName)

Methods inherited from class java.lang.Object

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

Constructor Details

SubscriptionInfo

public SubscriptionInfo()

Method Details

acquireWriteLock

public void acquireWriteLock()

releaseWriteLock

public void releaseWriteLock()

updateLastSyncedVersion

public void updateLastSyncedVersion()

Caller should ensure that the method is called in the lock acquireWriteLock().

canSkipNextSync

public boolean canSkipNextSync()

validateBeforeCreatingTopic

public boolean validateBeforeCreatingTopic(TCreateTopicReq createTopicReq)
                                    throws SubscriptionException

Throws:

SubscriptionException

validateBeforeDroppingTopic

public void validateBeforeDroppingTopic(String topicName)
                                 throws SubscriptionException

Throws:

SubscriptionException

validatePipePluginUsageByTopic

public void validatePipePluginUsageByTopic(String pipePluginName)
                                    throws SubscriptionException

Throws:

SubscriptionException

validatePipePluginUsageByTopicInternal

public void validatePipePluginUsageByTopicInternal(String pipePluginName)
                                            throws SubscriptionException

Throws:

SubscriptionException

validateBeforeAlteringTopic

public void validateBeforeAlteringTopic(TopicMeta topicMeta)
                                 throws SubscriptionException

Throws:

SubscriptionException

isTopicExisted

public boolean isTopicExisted(String topicName)

getTopicMeta

public TopicMeta getTopicMeta(String topicName)

getAllTopicMeta

public Iterable<TopicMeta> getAllTopicMeta()

deepCopyTopicMeta

public TopicMeta deepCopyTopicMeta(String topicName)

showTopics

public DataSet showTopics()

createTopic

public TSStatus createTopic(CreateTopicPlan plan)

alterTopic

public TSStatus alterTopic(AlterTopicPlan plan)

alterMultipleTopics

public TSStatus alterMultipleTopics(AlterMultipleTopicsPlan plan)

dropTopic

public TSStatus dropTopic(DropTopicPlan plan)

handleTopicMetaChanges

public TSStatus handleTopicMetaChanges(TopicHandleMetaChangePlan plan)

validateBeforeCreatingConsumer

public void validateBeforeCreatingConsumer(TCreateConsumerReq createConsumerReq)
                                    throws SubscriptionException

Throws:

SubscriptionException

validateBeforeDroppingConsumer

public void validateBeforeDroppingConsumer(TCloseConsumerReq dropConsumerReq)
                                    throws SubscriptionException

Throws:

SubscriptionException

validateBeforeAlterConsumerGroup

public void validateBeforeAlterConsumerGroup(ConsumerGroupMeta consumerGroupMeta)
                                      throws SubscriptionException

Throws:

SubscriptionException

checkBeforeAlterConsumerGroupInternal

public void checkBeforeAlterConsumerGroupInternal(ConsumerGroupMeta consumerGroupMeta)
                                           throws SubscriptionException

Throws:

SubscriptionException

isConsumerGroupExisted

public boolean isConsumerGroupExisted(String consumerGroupName)

isConsumerExisted

public boolean isConsumerExisted(String consumerGroupName,
 String consumerId)

getConsumerGroupMeta

public ConsumerGroupMeta getConsumerGroupMeta(String consumerGroupName)

deepCopyConsumerGroupMeta

public ConsumerGroupMeta deepCopyConsumerGroupMeta(String consumerGroupName)

isTopicSubscribedByConsumerGroup

public boolean isTopicSubscribedByConsumerGroup(String topicName,
 String consumerGroupId)

alterConsumerGroup

public TSStatus alterConsumerGroup(AlterConsumerGroupPlan plan)

handleConsumerGroupMetaChanges

public TSStatus handleConsumerGroupMetaChanges(ConsumerGroupHandleMetaChangePlan plan)

validateBeforeSubscribe

public void validateBeforeSubscribe(TSubscribeReq subscribeReq)
                             throws SubscriptionException

Throws:

SubscriptionException

validateBeforeUnsubscribe

public void validateBeforeUnsubscribe(TUnsubscribeReq unsubscribeReq)
                               throws SubscriptionException

Throws:

SubscriptionException

showSubscriptions

public DataSet showSubscriptions()

getAllConsumerGroupMeta

public List<ConsumerGroupMeta> getAllConsumerGroupMeta()

parseSubscriptionId

public Optional<org.apache.tsfile.utils.Pair<String,String>> parseSubscriptionId(String subscriptionId)

processTakeSnapshot

public boolean processTakeSnapshot(File snapshotDir)
                            throws IOException

Specified by:

processTakeSnapshot in interface SnapshotProcessor

Throws:

IOException

processLoadSnapshot

public void processLoadSnapshot(File snapshotDir)
                         throws IOException

Specified by:

processLoadSnapshot in interface SnapshotProcessor

Throws:

IOException