org.apache.kafka.clients.admin.DescribeConsumerGroupsResult Java Examples

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Example #1
Source File: KafkaAdminClientImpl.java    From vertx-kafka-client with Apache License 2.0 4 votes vote down vote up 
@Override
public Future<Map<String, ConsumerGroupDescription>> describeConsumerGroups(List<String> groupIds) {
  ContextInternal ctx = (ContextInternal) vertx.getOrCreateContext();
  Promise<Map<String, ConsumerGroupDescription>> promise = ctx.promise();

  DescribeConsumerGroupsResult describeConsumerGroupsResult = this.adminClient.describeConsumerGroups(groupIds);
  describeConsumerGroupsResult.all().whenComplete((cg, ex) -> {
    if (ex == null) {
      Map<String, ConsumerGroupDescription> consumerGroups = new HashMap<>();

      for (Map.Entry<String, org.apache.kafka.clients.admin.ConsumerGroupDescription> cgDescriptionEntry: cg.entrySet()) {
        List<MemberDescription> members = new ArrayList<>();

        for (org.apache.kafka.clients.admin.MemberDescription memberDescription : cgDescriptionEntry.getValue().members()) {
          MemberDescription m = new MemberDescription();
          m.setConsumerId(memberDescription.consumerId())
            .setClientId(memberDescription.clientId())
            .setAssignment(Helper.from(memberDescription.assignment()))
            .setHost(memberDescription.host());

          members.add(m);
        }

        ConsumerGroupDescription consumerGroupDescription = new ConsumerGroupDescription();

        consumerGroupDescription.setGroupId(cgDescriptionEntry.getValue().groupId())
          .setCoordinator(Helper.from(cgDescriptionEntry.getValue().coordinator()))
          .setMembers(members)
          .setPartitionAssignor(cgDescriptionEntry.getValue().partitionAssignor())
          .setSimpleConsumerGroup(cgDescriptionEntry.getValue().isSimpleConsumerGroup())
          .setState(cgDescriptionEntry.getValue().state());

        consumerGroups.put(cgDescriptionEntry.getKey(), consumerGroupDescription);
      }
      promise.complete(consumerGroups);
    } else {
      promise.fail(ex);
    }
  });
  return promise.future();
}