kafka EndTxnRequest 源码
kafka EndTxnRequest 代码
文件路径：/clients/src/main/java/org/apache/kafka/common/requests/EndTxnRequest.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.message.EndTxnRequestData;
import org.apache.kafka.common.message.EndTxnResponseData;
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;
public class EndTxnRequest extends AbstractRequest {
private final EndTxnRequestData data;
public static class Builder extends AbstractRequest.Builder<EndTxnRequest> {
public final EndTxnRequestData data;
public Builder(EndTxnRequestData data) {
super(ApiKeys.END_TXN);
this.data = data;
}
@Override
public EndTxnRequest build(short version) {
return new EndTxnRequest(data, version);
}
@Override
public String toString() {
return data.toString();
}
}
private EndTxnRequest(EndTxnRequestData data, short version) {
super(ApiKeys.END_TXN, version);
this.data = data;
}
public TransactionResult result() {
if (data.committed())
return TransactionResult.COMMIT;
else
return TransactionResult.ABORT;
}
@Override
public EndTxnRequestData data() {
return data;
}
@Override
public EndTxnResponse getErrorResponse(int throttleTimeMs, Throwable e) {
return new EndTxnResponse(new EndTxnResponseData()
.setErrorCode(Errors.forException(e).code())
.setThrottleTimeMs(throttleTimeMs)
);
}
public static EndTxnRequest parse(ByteBuffer buffer, short version) {
return new EndTxnRequest(new EndTxnRequestData(new ByteBufferAccessor(buffer), version), version);
}
}
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