kafka ProduceResponse 源码
kafka ProduceResponse 代码
文件路径:/clients/src/main/java/org/apache/kafka/common/requests/ProduceResponse.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.ProduceResponseData;
import org.apache.kafka.common.protocol.ApiKeys;
import org.apache.kafka.common.protocol.ByteBufferAccessor;
import org.apache.kafka.common.protocol.Errors;
import org.apache.kafka.common.record.RecordBatch;
import java.nio.ByteBuffer;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.stream.Collectors;
/**
* This wrapper supports both v0 and v8 of ProduceResponse.
*
* Possible error code:
*
* {@link Errors#CORRUPT_MESSAGE}
* {@link Errors#UNKNOWN_TOPIC_OR_PARTITION}
* {@link Errors#NOT_LEADER_OR_FOLLOWER}
* {@link Errors#MESSAGE_TOO_LARGE}
* {@link Errors#INVALID_TOPIC_EXCEPTION}
* {@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#TOPIC_AUTHORIZATION_FAILED}
* {@link Errors#UNSUPPORTED_FOR_MESSAGE_FORMAT}
* {@link Errors#INVALID_PRODUCER_EPOCH}
* {@link Errors#CLUSTER_AUTHORIZATION_FAILED}
* {@link Errors#TRANSACTIONAL_ID_AUTHORIZATION_FAILED}
* {@link Errors#INVALID_RECORD}
*/
public class ProduceResponse extends AbstractResponse {
public static final long INVALID_OFFSET = -1L;
private final ProduceResponseData data;
public ProduceResponse(ProduceResponseData produceResponseData) {
super(ApiKeys.PRODUCE);
this.data = produceResponseData;
}
/**
* Constructor for Version 0
* @param responses Produced data grouped by topic-partition
*/
@Deprecated
public ProduceResponse(Map<TopicPartition, PartitionResponse> responses) {
this(responses, DEFAULT_THROTTLE_TIME);
}
/**
* Constructor for the latest version
* @param responses Produced data grouped by topic-partition
* @param throttleTimeMs Time in milliseconds the response was throttled
*/
@Deprecated
public ProduceResponse(Map<TopicPartition, PartitionResponse> responses, int throttleTimeMs) {
this(toData(responses, throttleTimeMs));
}
private static ProduceResponseData toData(Map<TopicPartition, PartitionResponse> responses, int throttleTimeMs) {
ProduceResponseData data = new ProduceResponseData().setThrottleTimeMs(throttleTimeMs);
responses.forEach((tp, response) -> {
ProduceResponseData.TopicProduceResponse tpr = data.responses().find(tp.topic());
if (tpr == null) {
tpr = new ProduceResponseData.TopicProduceResponse().setName(tp.topic());
data.responses().add(tpr);
}
tpr.partitionResponses()
.add(new ProduceResponseData.PartitionProduceResponse()
.setIndex(tp.partition())
.setBaseOffset(response.baseOffset)
.setLogStartOffset(response.logStartOffset)
.setLogAppendTimeMs(response.logAppendTime)
.setErrorMessage(response.errorMessage)
.setErrorCode(response.error.code())
.setRecordErrors(response.recordErrors
.stream()
.map(e -> new ProduceResponseData.BatchIndexAndErrorMessage()
.setBatchIndex(e.batchIndex)
.setBatchIndexErrorMessage(e.message))
.collect(Collectors.toList())));
});
return data;
}
@Override
public ProduceResponseData data() {
return this.data;
}
@Override
public int throttleTimeMs() {
return this.data.throttleTimeMs();
}
@Override
public void maybeSetThrottleTimeMs(int throttleTimeMs) {
data.setThrottleTimeMs(throttleTimeMs);
}
@Override
public Map<Errors, Integer> errorCounts() {
Map<Errors, Integer> errorCounts = new HashMap<>();
data.responses().forEach(t -> t.partitionResponses().forEach(p -> updateErrorCounts(errorCounts, Errors.forCode(p.errorCode()))));
return errorCounts;
}
public static final class PartitionResponse {
public Errors error;
public long baseOffset;
public long logAppendTime;
public long logStartOffset;
public List<RecordError> recordErrors;
public String errorMessage;
public PartitionResponse(Errors error) {
this(error, INVALID_OFFSET, RecordBatch.NO_TIMESTAMP, INVALID_OFFSET);
}
public PartitionResponse(Errors error, String errorMessage) {
this(error, INVALID_OFFSET, RecordBatch.NO_TIMESTAMP, INVALID_OFFSET, Collections.emptyList(), errorMessage);
}
public PartitionResponse(Errors error, long baseOffset, long logAppendTime, long logStartOffset) {
this(error, baseOffset, logAppendTime, logStartOffset, Collections.emptyList(), null);
}
public PartitionResponse(Errors error, long baseOffset, long logAppendTime, long logStartOffset, List<RecordError> recordErrors) {
this(error, baseOffset, logAppendTime, logStartOffset, recordErrors, null);
}
public PartitionResponse(Errors error, long baseOffset, long logAppendTime, long logStartOffset, List<RecordError> recordErrors, String errorMessage) {
this.error = error;
this.baseOffset = baseOffset;
this.logAppendTime = logAppendTime;
this.logStartOffset = logStartOffset;
this.recordErrors = recordErrors;
this.errorMessage = errorMessage;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
PartitionResponse that = (PartitionResponse) o;
return baseOffset == that.baseOffset &&
logAppendTime == that.logAppendTime &&
logStartOffset == that.logStartOffset &&
error == that.error &&
Objects.equals(recordErrors, that.recordErrors) &&
Objects.equals(errorMessage, that.errorMessage);
}
@Override
public int hashCode() {
return Objects.hash(error, baseOffset, logAppendTime, logStartOffset, recordErrors, errorMessage);
}
@Override
public String toString() {
StringBuilder b = new StringBuilder();
b.append('{');
b.append("error: ");
b.append(error);
b.append(",offset: ");
b.append(baseOffset);
b.append(",logAppendTime: ");
b.append(logAppendTime);
b.append(", logStartOffset: ");
b.append(logStartOffset);
b.append(", recordErrors: ");
b.append(recordErrors);
b.append(", errorMessage: ");
if (errorMessage != null) {
b.append(errorMessage);
} else {
b.append("null");
}
b.append('}');
return b.toString();
}
}
public static final class RecordError {
public final int batchIndex;
public final String message;
public RecordError(int batchIndex, String message) {
this.batchIndex = batchIndex;
this.message = message;
}
public RecordError(int batchIndex) {
this.batchIndex = batchIndex;
this.message = null;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
RecordError that = (RecordError) o;
return batchIndex == that.batchIndex &&
Objects.equals(message, that.message);
}
@Override
public int hashCode() {
return Objects.hash(batchIndex, message);
}
@Override
public String toString() {
return "RecordError("
+ "batchIndex=" + batchIndex
+ ", message=" + ((message == null) ? "null" : "'" + message + "'")
+ ")";
}
}
public static ProduceResponse parse(ByteBuffer buffer, short version) {
return new ProduceResponse(new ProduceResponseData(new ByteBufferAccessor(buffer), version));
}
@Override
public boolean shouldClientThrottle(short version) {
return version >= 6;
}
}
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