kafka EndTxnRequest 源码

  • 2022-10-20
  • 浏览 (436)

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);
    }
}

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