THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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public class AdminClient { /** * A client is instantiated by providing a set of key-value pairs as configuration. Most * of the settings will be related to NetworkClient * * @param properties settings related to Network client and at least one broker from KafkaCluster to connect to */ public AdminClient(Properties properties) /** * Create topics with a built (via dedicated builder) Wire Protocol request * * @returns a mapping between topic name and java.lang.Exception with descriptive error message or null in case * topic was created successfully * * @throws ApiException in case of global error, which means topic creation was not even started */ public Map<String, Exception> createTopics(CreateTopicRequest createTopicRequest) throws ApiException; /** * Alter topics with a built (via dedicated builder) Wire Protocol request * * @returns a mapping between topic name and java.lang.Exception with descriptive error message or null in case * topic was altered successfully * * @throws ApiException in case of global error, which means topic alteration was not even started */ public Map<String, Exception> alterTopicalterTopics(AlterTopicRequest alterTopicRequest) throws ApiException; /** * Delete Kafka topics by name * * @returns a mapping between topic name and java.lang.Exception with descriptive error message or null in case * topic was deleted successfully * * @throws ApiException in case of global error, which means topic deletion was not even started */ public void deleteTopicdeleteTopics(List<String> topicName) throws ApiException; /** * List all existing topics in Kafka cluster * * @returns list of topic names * * @throws ApiException */ public List<String> listTopics() throws ApiException; /** * Check whether topic with the given name exists * * @throws ApiException */ public boolean topicExists(String topicName) throws ApiException;
/**
* Request replication information about Kafka topics
* * @returns a mapping between topic name and topic description * @throws ApiException in case of global error, which means topic description cannot be fetched for all topics */ public Map<String, DescribeTopicOutput> describeTopicdescribeTopics(List<String> topicNames) throws ApiException; /** * Initiate long-running reassign partitions procedure * * @param partitionsReassignment manual partitions assignment string (according to ReassignPartitionsCommand) * @return future of the reassignment result which is completed once server-side partitions reassignment has succeeded or * an error occurred so that partitions reassignment cannot be started * @throws ApiException in case partition reassignment wasn't initiated on server */ public Future<ReassignPartitionsResponse> reassignPartitions(String partitionsReassignment) throws ApiException; /** * Check the interim status of the partitions reassignment * * @param partitionsReassignment manual partitions assignment string (according to ReassignPartitionsCommand) * @return partition to reassignment result code (completed, in-progress, failed) * @throws ApiException in case reassignment verification wasn't initiated on server */ public Map<TopicPartition, Short> verifyReassignPartitions(String partitionsReassignment) throws ApiException; /** * Initiate long-running preferred replica leader election procedure * * @param partitions serialized partitions for which preferred replica leader election will be started * (according to PreferredReplicaLeaderElectionCommand) * @return future of the election result which is completed once server-side preferred replica is elected for provided partitions or * an error has occurred * @throws ApiException in case preferred replica procedure wasn't initiated on server */ public Future<PreferredReplicaLeaderElectionResponse> preferredReplicaLeaderElection(String partitions) throws ApiException; /** * Check the interim status of the preferred replica leader election * * @param partitions for which preferred replica leader election was started (according to PreferredReplicaLeaderElectionCommand) * @return partition to reassignment result code (completed, in-progress, failed) * @throws ApiException in case procedure verification wasn't started on server */ public VerifyPreferredReplicaLeaderElectionResponse verifyPreferredReplicaLeaderElection(String partitions) throws ApiException; /** * A generic facility to send Admin request and return response counterpart * * @param adminRequest AdminRequest message * @param <T> concrete AdminRequest type * @return response counterpart * @throws ApiException */ private <T extends AbstractAdminResponse> T sendAdminRequest(AbstractAdminRequest<T> adminRequest) throws ApiException; /** * Refreshes cluster metadata cache - list of brokers and controller * * @throws ApiException */ private void updateClusterMetadata() throws Exception; } |
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