org.apache.kafka.coordinator.group.api.assignor

Interface PartitionAssignor

All Known Subinterfaces:

ConsumerGroupPartitionAssignor

@InterfaceStability.Unstable
public interface PartitionAssignor

Server-side partition assignor used by the GroupCoordinator. The new consumer group protocol is in preview so this interface is considered unstable until Apache Kafka 4.0.

Method Summary

Modifier and Type	Method and Description
GroupAssignment	assign(GroupSpec groupSpec, SubscribedTopicDescriber subscribedTopicDescriber) Assigns partitions to group members based on the given assignment specification and topic metadata.
String	name() Unique name for this assignor.

Method Detail

name

String name()

Unique name for this assignor.

assign

GroupAssignment assign(GroupSpec groupSpec,
                       SubscribedTopicDescriber subscribedTopicDescriber)
                throws PartitionAssignorException

Assigns partitions to group members based on the given assignment specification and topic metadata.

Parameters:

groupSpec - The assignment spec which includes member metadata.

subscribedTopicDescriber - The topic and partition metadata describer.

Returns:

The new assignment for the group.

Throws:

PartitionAssignorException