Examples with DescribedGroupMember org.apache.kafka.common.message.DescribeGroupsResponseData.DescribedGroupMember used on opensource projects

Example 6 with DescribedGroupMember

use of org.apache.kafka.common.message.DescribeGroupsResponseData.DescribedGroupMember in project kafka by apache.

the class DescribeConsumerGroupsHandler method handleResponse.

@Override
public ApiResult<CoordinatorKey, ConsumerGroupDescription> handleResponse(Node coordinator, Set<CoordinatorKey> groupIds, AbstractResponse abstractResponse) {
    final DescribeGroupsResponse response = (DescribeGroupsResponse) abstractResponse;
    final Map<CoordinatorKey, ConsumerGroupDescription> completed = new HashMap<>();
    final Map<CoordinatorKey, Throwable> failed = new HashMap<>();
    final Set<CoordinatorKey> groupsToUnmap = new HashSet<>();
    for (DescribedGroup describedGroup : response.data().groups()) {
        CoordinatorKey groupIdKey = CoordinatorKey.byGroupId(describedGroup.groupId());
        Errors error = Errors.forCode(describedGroup.errorCode());
        if (error != Errors.NONE) {
            handleError(groupIdKey, error, failed, groupsToUnmap);
            continue;
        }
        final String protocolType = describedGroup.protocolType();
        if (protocolType.equals(ConsumerProtocol.PROTOCOL_TYPE) || protocolType.isEmpty()) {
            final List<DescribedGroupMember> members = describedGroup.members();
            final List<MemberDescription> memberDescriptions = new ArrayList<>(members.size());
            final Set<AclOperation> authorizedOperations = validAclOperations(describedGroup.authorizedOperations());
            for (DescribedGroupMember groupMember : members) {
                Set<TopicPartition> partitions = Collections.emptySet();
                if (groupMember.memberAssignment().length > 0) {
                    final Assignment assignment = ConsumerProtocol.deserializeAssignment(ByteBuffer.wrap(groupMember.memberAssignment()));
                    partitions = new HashSet<>(assignment.partitions());
                }
                memberDescriptions.add(new MemberDescription(groupMember.memberId(), Optional.ofNullable(groupMember.groupInstanceId()), groupMember.clientId(), groupMember.clientHost(), new MemberAssignment(partitions)));
            }
            final ConsumerGroupDescription consumerGroupDescription = new ConsumerGroupDescription(groupIdKey.idValue, protocolType.isEmpty(), memberDescriptions, describedGroup.protocolData(), ConsumerGroupState.parse(describedGroup.groupState()), coordinator, authorizedOperations);
            completed.put(groupIdKey, consumerGroupDescription);
        } else {
            failed.put(groupIdKey, new IllegalArgumentException(String.format("GroupId %s is not a consumer group (%s).", groupIdKey.idValue, protocolType)));
        }
    }
    return new ApiResult<>(completed, failed, new ArrayList<>(groupsToUnmap));
}