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.arrow.flight;
  
  /** String constants relevant to flight implementations. */
  public interface FlightConstants {
  
    String SERVICE = "arrow.flight.protocol.FlightService";
  
    FlightServerMiddleware.Key<ServerHeaderMiddleware> HEADER_KEY =
        FlightServerMiddleware.Key.of("org.apache.arrow.flight.ServerHeaderMiddleware");
  
    ActionType CANCEL_FLIGHT_INFO =
        new ActionType(
            "CancelFlightInfo",
            "Explicitly cancel a running FlightInfo.\n"
                + "Request Message: CancelFlightInfoRequest\n"
                + "Response Message: CancelFlightInfoResult");
    ActionType RENEW_FLIGHT_ENDPOINT =
        new ActionType(
            "RenewFlightEndpoint",
            "Extend expiration time of the given FlightEndpoint.\n"
                + "Request Message: RenewFlightEndpointRequest\n"
                + "Response Message: Renewed FlightEndpoint");
  
    ActionType SET_SESSION_OPTIONS =
        new ActionType(
            "SetSessionOptions",
            "Set client session options by name/value pairs.\n"
                + "Request Message: SetSessionOptionsRequest\n"
                + "Response Message: SetSessionOptionsResult");
  
    ActionType GET_SESSION_OPTIONS =
        new ActionType(
            "GetSessionOptions",
            "Get current client session options\n"
                + "Request Message: GetSessionOptionsRequest\n"
                + "Response Message: GetSessionOptionsResult");
    ActionType CLOSE_SESSION =
        new ActionType(
            "CloseSession",
            "Explicitly close/invalidate the cookie-specified client session.\n"
                + "Request Message: CloseSessionRequest\n"
                + "Response Message: CloseSessionResult");
  }
  