Package io.smallrye.reactive.messaging.kafka.companion

Class TopicsCompanion

java.lang.Object

io.smallrye.reactive.messaging.kafka.companion.TopicsCompanion

public class TopicsCompanion
extends Object

Companion for Topics operations on Kafka broker

Constructor Summary

Constructors

Constructor	Description
TopicsCompanion(org.apache.kafka.clients.admin.AdminClient adminClient, Duration kafkaApiTimeout)

Method Summary

Modifier and Type	Method	Description
void	clear(String... topics)	Deletes records from given topics
void	create(String topic, int partition)	Create topic
void	create(Collection<org.apache.kafka.clients.admin.NewTopic> newTopics)
void	create(Map<String,Integer> topicPartitions)
String	createAndWait(String topic, int partition)	Create topic and wait for creation
org.apache.kafka.clients.admin.TopicDescription	createAndWait(String topic, int partition, Duration timeout)	Create topic and wait for creation
void	delete(String... topics)
void	delete(Collection<String> topics)
Map<String,org.apache.kafka.clients.admin.TopicDescription>	describe(String... topics)
Map<String,org.apache.kafka.clients.admin.TopicDescription>	describeAll()
Set<String>	list()
io.smallrye.mutiny.Uni<org.apache.kafka.clients.admin.TopicDescription>	waitForTopic(String topic)	Wait for topic.

Methods inherited from class java.lang.Object

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

Constructor Details

TopicsCompanion

public TopicsCompanion(org.apache.kafka.clients.admin.AdminClient adminClient,
 Duration kafkaApiTimeout)

Method Details

create

public void create(Collection<org.apache.kafka.clients.admin.NewTopic> newTopics)

Parameters:

newTopics - the set of NewTopics to create

create

public void create(Map<String,Integer> topicPartitions)

Parameters:

topicPartitions - the map of topic names to partition counts to create

create

public void create(String topic,
 int partition)

Create topic

Parameters:

topic - the topic name

partition - the partition count

createAndWait

public String createAndWait(String topic,
 int partition)

Create topic and wait for creation

Parameters:

topic - the topic name

partition - the partition count

Returns:

the name of the created topic

createAndWait

public org.apache.kafka.clients.admin.TopicDescription createAndWait(String topic,
 int partition,
 Duration timeout)

Create topic and wait for creation

Parameters:

topic - the topic name

partition - the partition count

timeout - timeout for topic to be created

Returns:

the description of the created topic

waitForTopic

public io.smallrye.mutiny.Uni<org.apache.kafka.clients.admin.TopicDescription> waitForTopic(String topic)

Wait for topic. Waits at most the duration of the given kafkaApiTimeout, with 10 retries.

Parameters:

topic - name

Returns:

the Uni of the TopicDescription for the created topic

Throws:

IllegalStateException - if the topic is not found at the end of the timeout or retries

list

public Set<String> list()

Returns:

the set of topic names

describeAll

public Map<String,org.apache.kafka.clients.admin.TopicDescription> describeAll()

Returns:

the map of topic names to topic descriptions

describe

public Map<String,org.apache.kafka.clients.admin.TopicDescription> describe(String... topics)

Parameters:

topics - topics to describe

Returns:

the map of topic names to topic descriptions

clear

public void clear(String... topics)

Deletes records from given topics

Parameters:

topics - the topic names to clear

delete

public void delete(Collection<String> topics)

Parameters:

topics - the collection of topic names to delete

delete

public void delete(String... topics)

Parameters:

topics - the topic names to delete