content: /*
   * 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 org.apache.kafka.common.network.ListenerName;
  
  /**
   * 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 AutoCloseable {
  
      /**
       * 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);
  
      /**
       * The name of listener used when sending requests.
       *
       * @return the name of the listener
       */
      ListenerName listenerName();
  
      default void close() throws InterruptedException {}
  }
  