kafka WriteTxnMarkersResponse 源码

  • 2022-10-20
  • 浏览 (575)

kafka WriteTxnMarkersResponse 代码

文件路径:/clients/src/main/java/org/apache/kafka/common/requests/WriteTxnMarkersResponse.java

/*
 * 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.message.WriteTxnMarkersResponseData;
import org.apache.kafka.common.message.WriteTxnMarkersResponseData.WritableTxnMarkerPartitionResult;
import org.apache.kafka.common.message.WriteTxnMarkersResponseData.WritableTxnMarkerResult;
import org.apache.kafka.common.message.WriteTxnMarkersResponseData.WritableTxnMarkerTopicResult;
import org.apache.kafka.common.protocol.ApiKeys;
import org.apache.kafka.common.protocol.ByteBufferAccessor;
import org.apache.kafka.common.protocol.Errors;

import java.nio.ByteBuffer;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * Possible error codes:
 *
 *   - {@link Errors#CORRUPT_MESSAGE}
 *   - {@link Errors#INVALID_PRODUCER_EPOCH}
 *   - {@link Errors#UNKNOWN_TOPIC_OR_PARTITION}
 *   - {@link Errors#NOT_LEADER_OR_FOLLOWER}
 *   - {@link Errors#MESSAGE_TOO_LARGE}
 *   - {@link Errors#RECORD_LIST_TOO_LARGE}
 *   - {@link Errors#NOT_ENOUGH_REPLICAS}
 *   - {@link Errors#NOT_ENOUGH_REPLICAS_AFTER_APPEND}
 *   - {@link Errors#INVALID_REQUIRED_ACKS}
 *   - {@link Errors#TRANSACTION_COORDINATOR_FENCED}
 *   - {@link Errors#REQUEST_TIMED_OUT}
 *   - {@link Errors#CLUSTER_AUTHORIZATION_FAILED}
 */
public class WriteTxnMarkersResponse extends AbstractResponse {

    private final WriteTxnMarkersResponseData data;

    public WriteTxnMarkersResponse(Map<Long, Map<TopicPartition, Errors>> errors) {
        super(ApiKeys.WRITE_TXN_MARKERS);
        List<WritableTxnMarkerResult> markers = new ArrayList<>();
        for (Map.Entry<Long, Map<TopicPartition, Errors>> markerEntry : errors.entrySet()) {
            Map<String, WritableTxnMarkerTopicResult> responseTopicDataMap = new HashMap<>();
            for (Map.Entry<TopicPartition, Errors> topicEntry : markerEntry.getValue().entrySet()) {
                TopicPartition topicPartition = topicEntry.getKey();
                String topicName = topicPartition.topic();

                WritableTxnMarkerTopicResult topic =
                    responseTopicDataMap.getOrDefault(topicName, new WritableTxnMarkerTopicResult().setName(topicName));
                topic.partitions().add(new WritableTxnMarkerPartitionResult()
                                           .setErrorCode(topicEntry.getValue().code())
                                           .setPartitionIndex(topicPartition.partition())
                );
                responseTopicDataMap.put(topicName, topic);
            }

            markers.add(new WritableTxnMarkerResult()
                            .setProducerId(markerEntry.getKey())
                            .setTopics(new ArrayList<>(responseTopicDataMap.values()))
            );
        }
        this.data = new WriteTxnMarkersResponseData()
                        .setMarkers(markers);
    }

    public WriteTxnMarkersResponse(WriteTxnMarkersResponseData data) {
        super(ApiKeys.WRITE_TXN_MARKERS);
        this.data = data;
    }

    @Override
    public WriteTxnMarkersResponseData data() {
        return data;
    }

    public Map<Long, Map<TopicPartition, Errors>> errorsByProducerId() {
        Map<Long, Map<TopicPartition, Errors>> errors = new HashMap<>();
        for (WritableTxnMarkerResult marker : data.markers()) {
            Map<TopicPartition, Errors> topicPartitionErrorsMap = new HashMap<>();
            for (WritableTxnMarkerTopicResult topic : marker.topics()) {
                for (WritableTxnMarkerPartitionResult partitionResult : topic.partitions()) {
                    topicPartitionErrorsMap.put(new TopicPartition(topic.name(), partitionResult.partitionIndex()),
                            Errors.forCode(partitionResult.errorCode()));
                }
            }
            errors.put(marker.producerId(), topicPartitionErrorsMap);
        }
        return errors;
    }

    @Override
    public int throttleTimeMs() {
        return DEFAULT_THROTTLE_TIME;
    }

    @Override
    public void maybeSetThrottleTimeMs(int throttleTimeMs) {
        // Not supported by the response schema
    }

    @Override
    public Map<Errors, Integer> errorCounts() {
        Map<Errors, Integer> errorCounts = new HashMap<>();
        for (WritableTxnMarkerResult marker : data.markers()) {
            for (WritableTxnMarkerTopicResult topic : marker.topics()) {
                for (WritableTxnMarkerPartitionResult partitionResult : topic.partitions())
                    updateErrorCounts(errorCounts, Errors.forCode(partitionResult.errorCode()));
            }
        }
        return errorCounts;
    }

    public static WriteTxnMarkersResponse parse(ByteBuffer buffer, short version) {
        return new WriteTxnMarkersResponse(new WriteTxnMarkersResponseData(new ByteBufferAccessor(buffer), version));
    }
}

相关信息

kafka 源码目录

相关文章

kafka AbstractControlRequest 源码

kafka AbstractRequest 源码

kafka AbstractRequestResponse 源码

kafka AbstractResponse 源码

kafka AddOffsetsToTxnRequest 源码

kafka AddOffsetsToTxnResponse 源码

kafka AddPartitionsToTxnRequest 源码

kafka AddPartitionsToTxnResponse 源码

kafka AllocateProducerIdsRequest 源码

kafka AllocateProducerIdsResponse 源码

0  赞