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;
  
  /** A status code describing the result of a Flight call. */
  public enum FlightStatusCode {
    /** The call completed successfully. Generally clients will not see this, but middleware may. */
    OK,
    /**
     * An unknown error occurred. This may also be the result of an implementation error on the
     * server-side; by default, unhandled server exceptions result in this code.
     */
    UNKNOWN,
    /** An internal/implementation error occurred. */
    INTERNAL,
    /** One or more of the given arguments was invalid. */
    INVALID_ARGUMENT,
    /** The operation timed out. */
    TIMED_OUT,
    /** The operation describes a resource that does not exist. */
    NOT_FOUND,
    /** The operation creates a resource that already exists. */
    ALREADY_EXISTS,
    /** The operation was cancelled. */
    CANCELLED,
    /** The client was not authenticated. */
    UNAUTHENTICATED,
    /** The client did not have permission to make the call. */
    UNAUTHORIZED,
    /** The requested operation is not implemented. */
    UNIMPLEMENTED,
    /**
     * The server cannot currently handle the request. This should be used for retriable requests,
     * i.e. the server should send this code only if it has not done any work.
     */
    UNAVAILABLE,
    /**
     * Some resource has been exhausted, perhaps a per-user quota, or perhaps the entire file system
     * is out of space. (see: https://grpc.github.io/grpc/core/md_doc_statuscodes.html)
     */
    RESOURCE_EXHAUSTED;
  
    /** Create a blank {@link CallStatus} with this code. */
    public CallStatus toStatus() {
      return new CallStatus(this);
    }
  }
  