kafka NetworkChannel 源码
kafka NetworkChannel 代码
文件路径：/raft/src/main/java/org/apache/kafka/raft/NetworkChannel.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.raft;
import java.io.Closeable;
/**
* A simple network interface with few assumptions. We do not assume ordering
* of requests or even that every outbound request will receive a response.
*/
public interface NetworkChannel extends Closeable {
/**
* Generate a new and unique correlationId for a new request to be sent.
*/
int newCorrelationId();
/**
* Send an outbound request message.
*
* @param request outbound request to send
*/
void send(RaftRequest.Outbound request);
/**
* Update connection information for the given id.
*/
void updateEndpoint(int id, RaftConfig.InetAddressSpec address);
default void close() {}
}
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