kafka ControllerRequestContext 源码
kafka ControllerRequestContext 代码
文件路径：/metadata/src/main/java/org/apache/kafka/controller/ControllerRequestContext.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.controller;
import org.apache.kafka.common.message.RequestHeaderData;
import org.apache.kafka.common.security.auth.KafkaPrincipal;
import org.apache.kafka.common.utils.Time;
import org.apache.kafka.server.authorizer.AuthorizableRequestContext;
import java.util.OptionalLong;
import static java.util.concurrent.TimeUnit.MILLISECONDS;
import static java.util.concurrent.TimeUnit.NANOSECONDS;
public class ControllerRequestContext {
public static OptionalLong requestTimeoutMsToDeadlineNs(
Time time,
int millisecondsOffset
) {
return OptionalLong.of(time.nanoseconds() + NANOSECONDS.convert(millisecondsOffset, MILLISECONDS));
}
private final KafkaPrincipal principal;
private final OptionalLong deadlineNs;
private final RequestHeaderData requestHeader;
public ControllerRequestContext(
RequestHeaderData requestHeader,
KafkaPrincipal principal,
OptionalLong deadlineNs
) {
this.requestHeader = requestHeader;
this.principal = principal;
this.deadlineNs = deadlineNs;
}
public ControllerRequestContext(
AuthorizableRequestContext requestContext,
OptionalLong deadlineNs
) {
this(
new RequestHeaderData()
.setRequestApiKey((short) requestContext.requestType())
.setRequestApiVersion((short) requestContext.requestVersion())
.setCorrelationId(requestContext.correlationId())
.setClientId(requestContext.clientId()),
requestContext.principal(),
deadlineNs
);
}
public RequestHeaderData requestHeader() {
return requestHeader;
}
public KafkaPrincipal principal() {
return principal;
}
public OptionalLong deadlineNs() {
return deadlineNs;
}
}
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