kafka WriteTxnMarkersResponse 源码
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));
}
}
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