org.apache.flink.connector.pulsar.source.subscription

Class AbstractPulsarSubscriber

java.lang.Object

org.apache.flink.connector.pulsar.source.PulsarSubscriber

org.apache.flink.connector.pulsar.source.subscription.AbstractPulsarSubscriber

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

TopicListSubscriber, TopicPatternSubscriber

public abstract class AbstractPulsarSubscriber
extends PulsarSubscriber

The base implementations of PulsarSubscriber.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.flink.connector.pulsar.source.PulsarSubscriber

PulsarSubscriber.PartitionChange

Field Summary

Fields inherited from class org.apache.flink.connector.pulsar.source.PulsarSubscriber

context

Constructor Summary

Constructors

Constructor and Description
AbstractPulsarSubscriber()

Method Summary

Modifier and Type	Method and Description
abstract Collection<AbstractPartition>	getCurrentPartitions(org.apache.pulsar.client.admin.PulsarAdmin pulsarAdmin)
PulsarSubscriber.PartitionChange	getPartitionChanges(org.apache.pulsar.client.admin.PulsarAdmin pulsarAdmin, Set<AbstractPartition> currentAssignment) Get the partitions changes compared to the current partition assignment.

Methods inherited from class org.apache.flink.connector.pulsar.source.PulsarSubscriber

getTopicListSubscriber, getTopicPatternSubscriber, setContext

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractPulsarSubscriber

public AbstractPulsarSubscriber()

Method Detail

getPartitionChanges

public PulsarSubscriber.PartitionChange getPartitionChanges(org.apache.pulsar.client.admin.PulsarAdmin pulsarAdmin,
                                                            Set<AbstractPartition> currentAssignment)
                                                     throws org.apache.pulsar.client.admin.PulsarAdminException,
                                                            InterruptedException,
                                                            IOException

Description copied from class: PulsarSubscriber

Get the partitions changes compared to the current partition assignment.

Although Pulsar partitions can only expand and will not shrink, the partitions may still disappear when the topic is deleted.

Specified by:

getPartitionChanges in class PulsarSubscriber

Parameters:

pulsarAdmin - The pulsar admin used to retrieve partition information.

currentAssignment - the partitions that are currently assigned to the source readers.

Returns:

The partition changes compared with the currently assigned partitions.

Throws:

org.apache.pulsar.client.admin.PulsarAdminException

InterruptedException

IOException

getCurrentPartitions

public abstract Collection<AbstractPartition> getCurrentPartitions(org.apache.pulsar.client.admin.PulsarAdmin pulsarAdmin)
                                                            throws org.apache.pulsar.client.admin.PulsarAdminException,
                                                                   InterruptedException,
                                                                   IOException

Throws:

org.apache.pulsar.client.admin.PulsarAdminException

InterruptedException

IOException