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

Interface GroupSpec

@InterfaceStability.Unstable
public interface GroupSpec

The group metadata specifications required to compute the target assignment.

Method Summary

Modifier and Type	Method and Description
boolean	isPartitionAssigned(org.apache.kafka.common.Uuid topicId, int partitionId)
MemberAssignment	memberAssignment(String memberId) Gets the current assignment of the member.
Collection<String>	memberIds()
MemberSubscription	memberSubscription(String memberId) Gets the member subscription specification for a member.
SubscriptionType	subscriptionType()

Method Detail

memberIds

Collection<String> memberIds()

Returns:

All the member Ids of the consumer group.

subscriptionType

SubscriptionType subscriptionType()

Returns:

The group's subscription type.

isPartitionAssigned

boolean isPartitionAssigned(org.apache.kafka.common.Uuid topicId,
                            int partitionId)

Returns:

True, if the partition is currently assigned to a member. False, otherwise.

memberSubscription

MemberSubscription memberSubscription(String memberId)

Gets the member subscription specification for a member.

Parameters:

memberId - The member Id.

Returns:

The member's subscription metadata.

Throws:

IllegalArgumentException - If the member Id isn't found.

memberAssignment

MemberAssignment memberAssignment(String memberId)

Gets the current assignment of the member.

Parameters:

memberId - The member Id.

Returns:

The member's assignment or an empty assignment if the member does not have one.