kafka AddPartitionsToTxnResponse 源码
kafka AddPartitionsToTxnResponse 代码
文件路径:/clients/src/main/java/org/apache/kafka/common/requests/AddPartitionsToTxnResponse.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.AddPartitionsToTxnResponseData;
import org.apache.kafka.common.message.AddPartitionsToTxnResponseData.AddPartitionsToTxnPartitionResult;
import org.apache.kafka.common.message.AddPartitionsToTxnResponseData.AddPartitionsToTxnPartitionResultCollection;
import org.apache.kafka.common.message.AddPartitionsToTxnResponseData.AddPartitionsToTxnTopicResult;
import org.apache.kafka.common.message.AddPartitionsToTxnResponseData.AddPartitionsToTxnTopicResultCollection;
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.HashMap;
import java.util.Map;
/**
* Possible error codes:
*
* - {@link Errors#NOT_COORDINATOR}
* - {@link Errors#COORDINATOR_NOT_AVAILABLE}
* - {@link Errors#COORDINATOR_LOAD_IN_PROGRESS}
* - {@link Errors#INVALID_TXN_STATE}
* - {@link Errors#INVALID_PRODUCER_ID_MAPPING}
* - {@link Errors#INVALID_PRODUCER_EPOCH} // for version <=1
* - {@link Errors#PRODUCER_FENCED}
* - {@link Errors#TOPIC_AUTHORIZATION_FAILED}
* - {@link Errors#TRANSACTIONAL_ID_AUTHORIZATION_FAILED}
* - {@link Errors#UNKNOWN_TOPIC_OR_PARTITION}
*/
public class AddPartitionsToTxnResponse extends AbstractResponse {
private final AddPartitionsToTxnResponseData data;
private Map<TopicPartition, Errors> cachedErrorsMap = null;
public AddPartitionsToTxnResponse(AddPartitionsToTxnResponseData data) {
super(ApiKeys.ADD_PARTITIONS_TO_TXN);
this.data = data;
}
public AddPartitionsToTxnResponse(int throttleTimeMs, Map<TopicPartition, Errors> errors) {
super(ApiKeys.ADD_PARTITIONS_TO_TXN);
Map<String, AddPartitionsToTxnPartitionResultCollection> resultMap = new HashMap<>();
for (Map.Entry<TopicPartition, Errors> entry : errors.entrySet()) {
TopicPartition topicPartition = entry.getKey();
String topicName = topicPartition.topic();
AddPartitionsToTxnPartitionResult partitionResult =
new AddPartitionsToTxnPartitionResult()
.setErrorCode(entry.getValue().code())
.setPartitionIndex(topicPartition.partition());
AddPartitionsToTxnPartitionResultCollection partitionResultCollection = resultMap.getOrDefault(
topicName, new AddPartitionsToTxnPartitionResultCollection()
);
partitionResultCollection.add(partitionResult);
resultMap.put(topicName, partitionResultCollection);
}
AddPartitionsToTxnTopicResultCollection topicCollection = new AddPartitionsToTxnTopicResultCollection();
for (Map.Entry<String, AddPartitionsToTxnPartitionResultCollection> entry : resultMap.entrySet()) {
topicCollection.add(new AddPartitionsToTxnTopicResult()
.setName(entry.getKey())
.setResults(entry.getValue()));
}
this.data = new AddPartitionsToTxnResponseData()
.setThrottleTimeMs(throttleTimeMs)
.setResults(topicCollection);
}
@Override
public int throttleTimeMs() {
return data.throttleTimeMs();
}
@Override
public void maybeSetThrottleTimeMs(int throttleTimeMs) {
data.setThrottleTimeMs(throttleTimeMs);
}
public Map<TopicPartition, Errors> errors() {
if (cachedErrorsMap != null) {
return cachedErrorsMap;
}
cachedErrorsMap = new HashMap<>();
for (AddPartitionsToTxnTopicResult topicResult : this.data.results()) {
for (AddPartitionsToTxnPartitionResult partitionResult : topicResult.results()) {
cachedErrorsMap.put(new TopicPartition(
topicResult.name(), partitionResult.partitionIndex()),
Errors.forCode(partitionResult.errorCode()));
}
}
return cachedErrorsMap;
}
@Override
public Map<Errors, Integer> errorCounts() {
return errorCounts(errors().values());
}
@Override
public AddPartitionsToTxnResponseData data() {
return data;
}
public static AddPartitionsToTxnResponse parse(ByteBuffer buffer, short version) {
return new AddPartitionsToTxnResponse(new AddPartitionsToTxnResponseData(new ByteBufferAccessor(buffer), version));
}
@Override
public String toString() {
return data.toString();
}
@Override
public boolean shouldClientThrottle(short version) {
return version >= 1;
}
}
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