kafka EnvelopeRequest 源码
kafka EnvelopeRequest 代码
文件路径：/clients/src/main/java/org/apache/kafka/common/requests/EnvelopeRequest.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.EnvelopeRequestData;
import org.apache.kafka.common.message.EnvelopeResponseData;
import org.apache.kafka.common.protocol.ByteBufferAccessor;
import org.apache.kafka.common.protocol.ApiKeys;
import org.apache.kafka.common.protocol.Errors;
import java.nio.ByteBuffer;
public class EnvelopeRequest extends AbstractRequest {
public static class Builder extends AbstractRequest.Builder<EnvelopeRequest> {
private final EnvelopeRequestData data;
public Builder(ByteBuffer requestData,
byte[] serializedPrincipal,
byte[] clientAddress) {
super(ApiKeys.ENVELOPE);
this.data = new EnvelopeRequestData()
.setRequestData(requestData)
.setRequestPrincipal(serializedPrincipal)
.setClientHostAddress(clientAddress);
}
@Override
public EnvelopeRequest build(short version) {
return new EnvelopeRequest(data, version);
}
@Override
public String toString() {
return data.toString();
}
}
private final EnvelopeRequestData data;
public EnvelopeRequest(EnvelopeRequestData data, short version) {
super(ApiKeys.ENVELOPE, version);
this.data = data;
}
public ByteBuffer requestData() {
return data.requestData();
}
public byte[] clientAddress() {
return data.clientHostAddress();
}
public byte[] requestPrincipal() {
return data.requestPrincipal();
}
@Override
public AbstractResponse getErrorResponse(int throttleTimeMs, Throwable e) {
return new EnvelopeResponse(new EnvelopeResponseData()
.setErrorCode(Errors.forException(e).code()));
}
public static EnvelopeRequest parse(ByteBuffer buffer, short version) {
return new EnvelopeRequest(new EnvelopeRequestData(new ByteBufferAccessor(buffer), version), version);
}
@Override
public EnvelopeRequestData data() {
return data;
}
}
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