kafka ControlledShutdownResponse 源码
kafka ControlledShutdownResponse 代码
文件路径:/clients/src/main/java/org/apache/kafka/common/requests/ControlledShutdownResponse.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.ControlledShutdownResponseData;
import org.apache.kafka.common.message.ControlledShutdownResponseData.RemainingPartition;
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;
import java.util.Map;
import java.util.Set;
public class ControlledShutdownResponse extends AbstractResponse {
/**
* Possible error codes:
*
* UNKNOWN(-1) (this is because IllegalStateException may be thrown in `KafkaController.shutdownBroker`, it would be good to improve this)
* BROKER_NOT_AVAILABLE(8)
* STALE_CONTROLLER_EPOCH(11)
*/
private final ControlledShutdownResponseData data;
public ControlledShutdownResponse(ControlledShutdownResponseData data) {
super(ApiKeys.CONTROLLED_SHUTDOWN);
this.data = data;
}
public Errors error() {
return Errors.forCode(data.errorCode());
}
@Override
public Map<Errors, Integer> errorCounts() {
return errorCounts(error());
}
@Override
public int throttleTimeMs() {
return DEFAULT_THROTTLE_TIME;
}
@Override
public void maybeSetThrottleTimeMs(int throttleTimeMs) {
// Not supported by the response schema
}
public static ControlledShutdownResponse parse(ByteBuffer buffer, short version) {
return new ControlledShutdownResponse(new ControlledShutdownResponseData(new ByteBufferAccessor(buffer), version));
}
@Override
public ControlledShutdownResponseData data() {
return data;
}
public static ControlledShutdownResponse prepareResponse(Errors error, Set<TopicPartition> tps) {
ControlledShutdownResponseData data = new ControlledShutdownResponseData();
data.setErrorCode(error.code());
ControlledShutdownResponseData.RemainingPartitionCollection pSet = new ControlledShutdownResponseData.RemainingPartitionCollection();
tps.forEach(tp -> {
pSet.add(new RemainingPartition()
.setTopicName(tp.topic())
.setPartitionIndex(tp.partition()));
});
data.setRemainingPartitions(pSet);
return new ControlledShutdownResponse(data);
}
}
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