| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.kafka.common.requests; |
| |
| import org.apache.kafka.common.TopicPartition; |
| import org.apache.kafka.common.protocol.ApiKeys; |
| import org.apache.kafka.common.protocol.Errors; |
| import org.apache.kafka.common.protocol.types.Field; |
| import org.apache.kafka.common.protocol.types.Schema; |
| import org.apache.kafka.common.protocol.types.Struct; |
| |
| import java.nio.ByteBuffer; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| import static org.apache.kafka.common.protocol.CommonFields.ERROR_CODE; |
| import static org.apache.kafka.common.protocol.CommonFields.PARTITION_ID; |
| import static org.apache.kafka.common.protocol.CommonFields.TOPIC_NAME; |
| |
| public class StopReplicaResponse extends AbstractResponse { |
| private static final Field.ComplexArray PARTITIONS = new Field.ComplexArray("partitions", "Response for the requests partitions"); |
| |
| private static final Field PARTITIONS_V0 = PARTITIONS.withFields( |
| TOPIC_NAME, |
| PARTITION_ID, |
| ERROR_CODE); |
| private static final Schema STOP_REPLICA_RESPONSE_V0 = new Schema( |
| ERROR_CODE, |
| PARTITIONS_V0); |
| |
| private static final Schema STOP_REPLICA_RESPONSE_V1 = STOP_REPLICA_RESPONSE_V0; |
| |
| |
| public static Schema[] schemaVersions() { |
| return new Schema[] {STOP_REPLICA_RESPONSE_V0, STOP_REPLICA_RESPONSE_V1}; |
| } |
| |
| private final Map<TopicPartition, Errors> responses; |
| |
| /** |
| * Possible error code: |
| * |
| * STALE_CONTROLLER_EPOCH (11) |
| * STALE_BROKER_EPOCH (77) |
| */ |
| private final Errors error; |
| |
| public StopReplicaResponse(Errors error, Map<TopicPartition, Errors> responses) { |
| this.responses = responses; |
| this.error = error; |
| } |
| |
| public StopReplicaResponse(Struct struct) { |
| responses = new HashMap<>(); |
| for (Object responseDataObj : struct.get(PARTITIONS)) { |
| Struct responseData = (Struct) responseDataObj; |
| String topic = responseData.get(TOPIC_NAME); |
| int partition = responseData.get(PARTITION_ID); |
| Errors error = Errors.forCode(responseData.get(ERROR_CODE)); |
| responses.put(new TopicPartition(topic, partition), error); |
| } |
| |
| error = Errors.forCode(struct.get(ERROR_CODE)); |
| } |
| |
| public Map<TopicPartition, Errors> responses() { |
| return responses; |
| } |
| |
| public Errors error() { |
| return error; |
| } |
| |
| @Override |
| public Map<Errors, Integer> errorCounts() { |
| if (error != Errors.NONE) |
| // Minor optimization since the top-level error applies to all partitions |
| return Collections.singletonMap(error, responses.size()); |
| return errorCounts(responses); |
| } |
| |
| public static StopReplicaResponse parse(ByteBuffer buffer, short version) { |
| return new StopReplicaResponse(ApiKeys.STOP_REPLICA.parseResponse(version, buffer)); |
| } |
| |
| @Override |
| protected Struct toStruct(short version) { |
| Struct struct = new Struct(ApiKeys.STOP_REPLICA.responseSchema(version)); |
| |
| List<Struct> responseDatas = new ArrayList<>(responses.size()); |
| for (Map.Entry<TopicPartition, Errors> response : responses.entrySet()) { |
| Struct partitionData = struct.instance(PARTITIONS); |
| TopicPartition partition = response.getKey(); |
| partitionData.set(TOPIC_NAME, partition.topic()); |
| partitionData.set(PARTITION_ID, partition.partition()); |
| partitionData.set(ERROR_CODE, response.getValue().code()); |
| responseDatas.add(partitionData); |
| } |
| |
| struct.set(PARTITIONS, responseDatas.toArray()); |
| struct.set(ERROR_CODE, error.code()); |
| return struct; |
| } |
| |
| @Override |
| public String toString() { |
| return "StopReplicaResponse(" + |
| "responses=" + responses + |
| ", error=" + error + |
| ")"; |
| } |
| |
| } |