org.apache.flink.connector.pulsar.sink.writer.topic.metadata

Class CachedTopicMetadataProvider

java.lang.Object

org.apache.flink.connector.pulsar.sink.writer.topic.metadata.CachedTopicMetadataProvider

All Implemented Interfaces:

TopicExtractor.TopicMetadataProvider

@Internal
public class CachedTopicMetadataProvider
extends Object
implements TopicExtractor.TopicMetadataProvider

The default implementation for querying topic metadata. The query result would be cached by positive SinkConfiguration.getTopicMetadataRefreshInterval().

Constructor Summary

Constructors

Constructor and Description
CachedTopicMetadataProvider(org.apache.pulsar.client.admin.PulsarAdmin pulsarAdmin, SinkConfiguration sinkConfiguration)

Method Summary

Modifier and Type	Method and Description
TopicMetadata	query(String topic) The query result from Pulsar would be cached, if you set positive value in SinkConfiguration.getTopicMetadataRefreshInterval().

Methods inherited from class java.lang.Object

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

Constructor Detail

CachedTopicMetadataProvider

public CachedTopicMetadataProvider(org.apache.pulsar.client.admin.PulsarAdmin pulsarAdmin,
                                   SinkConfiguration sinkConfiguration)

Method Detail

query

public TopicMetadata query(String topic)
                    throws org.apache.pulsar.client.admin.PulsarAdminException

Description copied from interface: TopicExtractor.TopicMetadataProvider

The query result from Pulsar would be cached, if you set positive value in SinkConfiguration.getTopicMetadataRefreshInterval().

Specified by:

query in interface TopicExtractor.TopicMetadataProvider

Throws:

org.apache.pulsar.client.admin.PulsarAdminException