org.apache.flink.connector.pulsar.source.enumerator.subscriber.impl

Class TopicPatternSubscriber

java.lang.Object

org.apache.flink.connector.pulsar.source.enumerator.subscriber.impl.BasePulsarSubscriber

org.apache.flink.connector.pulsar.source.enumerator.subscriber.impl.TopicPatternSubscriber

All Implemented Interfaces:

Serializable, PulsarSubscriber

public class TopicPatternSubscriber
extends BasePulsarSubscriber

Subscribe to matching topics based on topic pattern.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
TopicPatternSubscriber(Pattern topicPattern, org.apache.pulsar.client.api.RegexSubscriptionMode subscriptionMode)

Method Summary

Modifier and Type	Method and Description
Set<TopicPartition>	getSubscribedTopicPartitions(org.apache.pulsar.client.admin.PulsarAdmin pulsarAdmin, RangeGenerator rangeGenerator, int parallelism) Get a set of subscribed TopicPartitions.

Methods inherited from class org.apache.flink.connector.pulsar.source.enumerator.subscriber.impl.BasePulsarSubscriber

queryTopicMetadata, toTopicPartitions

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.flink.connector.pulsar.source.enumerator.subscriber.PulsarSubscriber

getTopicListSubscriber, getTopicPatternSubscriber

Constructor Detail

TopicPatternSubscriber

public TopicPatternSubscriber(Pattern topicPattern,
                              org.apache.pulsar.client.api.RegexSubscriptionMode subscriptionMode)

Method Detail

getSubscribedTopicPartitions

public Set<TopicPartition> getSubscribedTopicPartitions(org.apache.pulsar.client.admin.PulsarAdmin pulsarAdmin,
                                                        RangeGenerator rangeGenerator,
                                                        int parallelism)

Description copied from interface: PulsarSubscriber

Get a set of subscribed TopicPartitions. The method could throw IllegalStateException, an extra try catch is required.

Parameters:

pulsarAdmin - The admin interface used to retrieve subscribed topic partitions.

rangeGenerator - The range for different partitions.

parallelism - The parallelism of flink source.

Returns:

A subscribed TopicPartition for each pulsar topic partition.