Interface EmbeddedKafkaBroker
- All Superinterfaces:
 DisposableBean,InitializingBean
- All Known Implementing Classes:
 EmbeddedKafkaKraftBroker,EmbeddedKafkaZKBroker
- Since:
 - 3.1
 - Author:
 - Gary Russell
 
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Field Summary
FieldsModifier and TypeFieldDescriptionstatic final Stringstatic final StringSet the value of this property to a property name that should be set to the list of embedded broker addresses instead of "spring.embedded.kafka.brokers".static final Stringstatic final intstatic final Stringstatic final String - 
Method Summary
Modifier and TypeMethodDescriptionvoidAdd topics to the existing broker(s) using the configured number of partitions.voidaddTopics(org.apache.kafka.clients.admin.NewTopic... topicsToAdd) Add topics to the existing broker(s).addTopicsWithResults(String... topicsToAdd) Add topics to the existing broker(s) using the configured number of partitions.addTopicsWithResults(org.apache.kafka.clients.admin.NewTopic... topicsToAdd) Add topics to the existing broker(s) and returning a map of results.adminTimeout(int adminTimeout) Set the timeout in seconds for admin operations (e.g.default voidbrokerListProperty(String brokerListProperty) Set the system property with this name to the list of broker addresses.brokerProperties(Map<String, String> properties) Specify the properties to configure Kafka Broker before start, e.g.voidconsumeFromAllEmbeddedTopics(org.apache.kafka.clients.consumer.Consumer<?, ?> consumer) Subscribe a consumer to all the embedded topics.voidconsumeFromAllEmbeddedTopics(org.apache.kafka.clients.consumer.Consumer<?, ?> consumer, boolean seekToEnd) Subscribe a consumer to all the embedded topics.voidconsumeFromAnEmbeddedTopic(org.apache.kafka.clients.consumer.Consumer<?, ?> consumer, boolean seekToEnd, String topic) Subscribe a consumer to one of the embedded topics.voidconsumeFromAnEmbeddedTopic(org.apache.kafka.clients.consumer.Consumer<?, ?> consumer, String topic) Subscribe a consumer to one of the embedded topics.voidconsumeFromEmbeddedTopics(org.apache.kafka.clients.consumer.Consumer<?, ?> consumer, boolean seekToEnd, String... topicsToConsume) Subscribe a consumer to one or more of the embedded topics.voidconsumeFromEmbeddedTopics(org.apache.kafka.clients.consumer.Consumer<?, ?> consumer, String... topicsToConsume) Subscribe a consumer to one or more of the embedded topics.default voiddestroy()Get the bootstrap server addresses as a String.intGet the configured number of partitions per topic.Get the topics.kafkaPorts(int... ports) Set explicit ports on which the kafka brokers will listen. 
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Field Details
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DEFAULT_ADMIN_TIMEOUT
static final int DEFAULT_ADMIN_TIMEOUT- See Also:
 
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BEAN_NAME
- See Also:
 
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BROKER_LIST_PROPERTY
Set the value of this property to a property name that should be set to the list of embedded broker addresses instead of "spring.embedded.kafka.brokers".- See Also:
 
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SPRING_EMBEDDED_KAFKA_BROKERS
- See Also:
 
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BROKER_NEEDED
- See Also:
 
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LOOPBACK
- See Also:
 
 
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Method Details
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kafkaPorts
Set explicit ports on which the kafka brokers will listen. Useful when running an embedded broker that you want to access from other processes.- Parameters:
 ports- the ports.- Returns:
 - the 
EmbeddedKafkaBroker. 
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getTopics
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destroy
default void destroy()- Specified by:
 destroyin interfaceDisposableBean
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afterPropertiesSet
default void afterPropertiesSet()- Specified by:
 afterPropertiesSetin interfaceInitializingBean
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brokerProperties
Specify the properties to configure Kafka Broker before start, e.g.auto.create.topics.enable,transaction.state.log.replication.factoretc.- Parameters:
 properties- the properties to use for configuring Kafka Broker(s).- Returns:
 - this for chaining configuration.
 - See Also:
 
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brokerListProperty
Set the system property with this name to the list of broker addresses. Defaults tospring.kafka.bootstrap-serversfor Spring Boot compatibility.- Parameters:
 brokerListProperty- the brokerListProperty to set- Returns:
 - this broker.
 
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adminTimeout
Set the timeout in seconds for admin operations (e.g. topic creation, close).- Parameters:
 adminTimeout- the timeout.- Returns:
 - the 
EmbeddedKafkaBroker - Since:
 - 2.8.5
 
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getBrokersAsString
String getBrokersAsString()Get the bootstrap server addresses as a String.- Returns:
 - the bootstrap servers.
 
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addTopics
Add topics to the existing broker(s) using the configured number of partitions. The broker(s) must be running.- Parameters:
 topicsToAdd- the topics.
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addTopics
void addTopics(org.apache.kafka.clients.admin.NewTopic... topicsToAdd) Add topics to the existing broker(s). The broker(s) must be running.- Parameters:
 topicsToAdd- the topics.
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addTopicsWithResults
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addTopicsWithResults
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consumeFromEmbeddedTopics
void consumeFromEmbeddedTopics(org.apache.kafka.clients.consumer.Consumer<?, ?> consumer, boolean seekToEnd, String... topicsToConsume) Subscribe a consumer to one or more of the embedded topics.- Parameters:
 consumer- the consumer.seekToEnd- true to seek to the end instead of the beginning.topicsToConsume- the topics.- Throws:
 IllegalStateException- if you attempt to consume from a topic that is not in the list of embedded topics.
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consumeFromEmbeddedTopics
void consumeFromEmbeddedTopics(org.apache.kafka.clients.consumer.Consumer<?, ?> consumer, String... topicsToConsume) Subscribe a consumer to one or more of the embedded topics.- Parameters:
 consumer- the consumer.topicsToConsume- the topics.- Throws:
 IllegalStateException- if you attempt to consume from a topic that is not in the list of embedded topics.
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consumeFromAnEmbeddedTopic
void consumeFromAnEmbeddedTopic(org.apache.kafka.clients.consumer.Consumer<?, ?> consumer, boolean seekToEnd, String topic) Subscribe a consumer to one of the embedded topics.- Parameters:
 consumer- the consumer.seekToEnd- true to seek to the end instead of the beginning.topic- the topic.
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consumeFromAnEmbeddedTopic
void consumeFromAnEmbeddedTopic(org.apache.kafka.clients.consumer.Consumer<?, ?> consumer, String topic) Subscribe a consumer to one of the embedded topics.- Parameters:
 consumer- the consumer.topic- the topic.
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consumeFromAllEmbeddedTopics
void consumeFromAllEmbeddedTopics(org.apache.kafka.clients.consumer.Consumer<?, ?> consumer, boolean seekToEnd) Subscribe a consumer to all the embedded topics.- Parameters:
 consumer- the consumer.seekToEnd- true to seek to the end instead of the beginning.
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consumeFromAllEmbeddedTopics
void consumeFromAllEmbeddedTopics(org.apache.kafka.clients.consumer.Consumer<?, ?> consumer) Subscribe a consumer to all the embedded topics.- Parameters:
 consumer- the consumer.
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getPartitionsPerTopic
int getPartitionsPerTopic()Get the configured number of partitions per topic.- Returns:
 - the partition count.
 
 
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