public MetadataResponse(Struct struct) {
super(struct);
Map<String, Errors> errors = new HashMap<String, Errors>();
Map<Integer, Node> brokers = new HashMap<Integer, Node>();
Object[] brokerStructs = (Object[]) struct.get(BROKERS_KEY_NAME);
for (int i = 0; i < brokerStructs.length; i++) {
Struct broker = (Struct) brokerStructs[i];
int nodeId = broker.getInt(NODE_ID_KEY_NAME);
String host = broker.getString(HOST_KEY_NAME);
int port = broker.getInt(PORT_KEY_NAME);
brokers.put(nodeId, new Node(nodeId, host, port));
}
List<PartitionInfo> partitions = new ArrayList<PartitionInfo>();
Object[] topicInfos = (Object[]) struct.get(TOPIC_METATDATA_KEY_NAME);
for (int i = 0; i < topicInfos.length; i++) {
Struct topicInfo = (Struct) topicInfos[i];
short topicError = topicInfo.getShort(TOPIC_ERROR_CODE_KEY_NAME);
String topic = topicInfo.getString(TOPIC_KEY_NAME);
if (topicError == Errors.NONE.code()) {
Object[] partitionInfos = (Object[]) topicInfo.get(PARTITION_METADATA_KEY_NAME);
for (int j = 0; j < partitionInfos.length; j++) {
Struct partitionInfo = (Struct) partitionInfos[j];
int partition = partitionInfo.getInt(PARTITION_KEY_NAME);
int leader = partitionInfo.getInt(LEADER_KEY_NAME);
Node leaderNode = leader == -1 ? null : brokers.get(leader);
Object[] replicas = (Object[]) partitionInfo.get(REPLICAS_KEY_NAME);
Node[] replicaNodes = new Node[replicas.length];
for (int k = 0; k < replicas.length; k++) replicaNodes[k] = brokers.get(replicas[k]);
Object[] isr = (Object[]) partitionInfo.get(ISR_KEY_NAME);
Node[] isrNodes = new Node[isr.length];
for (int k = 0; k < isr.length; k++) isrNodes[k] = brokers.get(isr[k]);
partitions.add(new PartitionInfo(topic, partition, leaderNode, replicaNodes, isrNodes));
}
} else {
errors.put(topic, Errors.forCode(topicError));
}
}
this.errors = errors;
this.cluster = new Cluster(brokers.values(), partitions, unauthorizedTopics(errors));
}
public ControlledShutdownResponse(Struct struct) {
super(struct);
errorCode = struct.getShort(ERROR_CODE_KEY_NAME);
Set<TopicPartition> partitions = new HashSet<>();
for (Object topicPartitionObj : struct.getArray(PARTITIONS_REMAINING_KEY_NAME)) {
Struct topicPartition = (Struct) topicPartitionObj;
String topic = topicPartition.getString(TOPIC_KEY_NAME);
int partition = topicPartition.getInt(PARTITION_KEY_NAME);
partitions.add(new TopicPartition(topic, partition));
}
partitionsRemaining = partitions;
}