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.Node;
  import org.apache.kafka.common.network.ListenerName;
  import org.apache.kafka.common.protocol.ApiMessage;
  
  import java.util.concurrent.CompletableFuture;
  
  public abstract class RaftRequest implements RaftMessage {
      private final int correlationId;
      private final ApiMessage data;
      private final long createdTimeMs;
  
      public RaftRequest(int correlationId, ApiMessage data, long createdTimeMs) {
          this.correlationId = correlationId;
          this.data = data;
          this.createdTimeMs = createdTimeMs;
      }
  
      @Override
      public int correlationId() {
          return correlationId;
      }
  
      @Override
      public ApiMessage data() {
          return data;
      }
  
      public long createdTimeMs() {
          return createdTimeMs;
      }
  
      public static final class Inbound extends RaftRequest {
          private final short apiVersion;
          private final ListenerName listenerName;
  
          public final CompletableFuture<RaftResponse.Outbound> completion = new CompletableFuture<>();
  
          public Inbound(
              ListenerName listenerName,
              int correlationId,
              short apiVersion,
              ApiMessage data,
              long createdTimeMs
          ) {
              super(correlationId, data, createdTimeMs);
  
              this.listenerName = listenerName;
              this.apiVersion = apiVersion;
          }
  
          public short apiVersion() {
              return apiVersion;
          }
  
          public ListenerName listenerName() {
              return listenerName;
          }
  
          @Override
          public String toString() {
              return String.format(
                  "InboundRequest(listenerName=%s, correlationId=%d, apiVersion=%d, data=%s, " +
                  "createdTimeMs=%d)",
                  listenerName,
                  correlationId(),
                  apiVersion,
                  data(),
                  createdTimeMs()
              );
          }
      }
  
      public static final class Outbound extends RaftRequest {
          private final Node destination;
          public final CompletableFuture<RaftResponse.Inbound> completion = new CompletableFuture<>();
  
          public Outbound(int correlationId, ApiMessage data, Node destination, long createdTimeMs) {
              super(correlationId, data, createdTimeMs);
              this.destination = destination;
          }
  
          public Node destination() {
              return destination;
          }
  
          @Override
          public String toString() {
              return String.format(
                  "OutboundRequest(correlationId=%d, data=%s, createdTimeMs=%d, destination=%s)",
                  correlationId(),
                  data(),
                  createdTimeMs(),
                  destination
              );
          }
      }
  }
  