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;
  
  /** The result of cancelling a FlightInfo. */
  public enum CancelStatus {
    /**
     * The cancellation status is unknown. Servers should avoid using this value (send a NOT_FOUND
     * error if the requested query is not known). Clients can retry the request.
     */
    UNSPECIFIED,
    /**
     * The cancellation request is complete. Subsequent requests with the same payload may return
     * CANCELLED or a NOT_FOUND error.
     */
    CANCELLED,
    /** The cancellation request is in progress. The client may retry the cancellation request. */
    CANCELLING,
    /** The query is not cancellable. The client should not retry the cancellation request. */
    NOT_CANCELLABLE,
    ;
  }
  