Package org.apache.flink.connector.kafka.dynamic.metadata

Class SingleClusterTopicMetadataService

java.lang.Object

org.apache.flink.connector.kafka.dynamic.metadata.SingleClusterTopicMetadataService

All Implemented Interfaces:

Serializable, AutoCloseable, KafkaMetadataService

@Experimental
public class SingleClusterTopicMetadataService
extends Object
implements KafkaMetadataService

A KafkaMetadataService that delegates metadata fetching to a single AdminClient, which is scoped to a single cluster. The stream ids are equivalent to topics.

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
SingleClusterTopicMetadataService(String kafkaClusterId, Properties properties)	Create a SingleClusterTopicMetadataService.

Method Summary

Modifier and Type	Method	Description
void	close()
Map<String,KafkaStream>	describeStreams(Collection<String> streamIds)	Get current metadata for queried streams.
Set<KafkaStream>	getAllStreams()	Get current metadata for all streams.
boolean	isClusterActive(String kafkaClusterId)	Check if the cluster is active.

Methods inherited from class java.lang.Object

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

Constructor Details

SingleClusterTopicMetadataService

public SingleClusterTopicMetadataService(String kafkaClusterId,
 Properties properties)

Create a SingleClusterTopicMetadataService.

Parameters:

kafkaClusterId - the id of the Kafka cluster.

properties - the properties of the Kafka cluster.

Method Details

getAllStreams

public Set<KafkaStream> getAllStreams()

Get current metadata for all streams.

Specified by:

getAllStreams in interface KafkaMetadataService

Returns:

set of all streams

describeStreams

public Map<String,KafkaStream> describeStreams(Collection<String> streamIds)

Get current metadata for queried streams.

Specified by:

describeStreams in interface KafkaMetadataService

Parameters:

streamIds - stream full names

Returns:

map of stream name to metadata

isClusterActive

public boolean isClusterActive(String kafkaClusterId)

Check if the cluster is active.

Specified by:

isClusterActive in interface KafkaMetadataService

Parameters:

kafkaClusterId - Kafka cluster id

Returns:

boolean whether the cluster is active

close

public void close()

Specified by:

close in interface AutoCloseable