org.apache.kafka.common.requests.AbstractControlRequest Maven / Gradle / Ivy
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* 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,
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* 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.protocol.ApiKeys;
// Abstract class for all control requests including UpdateMetadataRequest, LeaderAndIsrRequest and StopReplicaRequest
public abstract class AbstractControlRequest extends AbstractRequest {
public static final long UNKNOWN_BROKER_EPOCH = -1L;
public static abstract class Builder extends AbstractRequest.Builder {
protected final int controllerId;
protected final int controllerEpoch;
protected final long brokerEpoch;
protected Builder(ApiKeys api, short version, int controllerId, int controllerEpoch, long brokerEpoch) {
super(api, version);
this.controllerId = controllerId;
this.controllerEpoch = controllerEpoch;
this.brokerEpoch = brokerEpoch;
}
}
protected AbstractControlRequest(ApiKeys api, short version) {
super(api, version);
}
public abstract int controllerId();
public abstract int controllerEpoch();
public abstract long brokerEpoch();
}