java/src/main/com/google/appengine/api/search/StatusCode.java

   1 // Copyright 2011 Google Inc. All Rights Reserved.
   2
   3 package com.google.appengine.api.search;
   4
   5 import com.google.appengine.api.search.SearchServicePb.SearchServiceError.ErrorCode;
   6
   7 /**
   8  * Status code returned by various index operations.
   9  */
  10 public enum StatusCode {
  11   /**
  12    * The last operation was successfully completed.
  13    */
  14   OK,
  15
  16   /**
  17    * The last operation failed due to invalid, user specified parameters.
  18    */
  19   INVALID_REQUEST,
  20
  21   /**
  22    * The last operation failed due to a transient backend error.
  23    */
  24   TRANSIENT_ERROR,
  25
  26   /**
  27    * The last operation failed due to a internal backend error.
  28    */
  29   INTERNAL_ERROR,
  30
  31   /**
  32    * The last operation failed due to user not having permission.
  33    */
  34   PERMISSION_DENIED_ERROR;
  35
  36   /**
  37    * Provides a mapping from protocol buffer enum to user API enum.
  38    *
  39    * @param code the proto buffer enum
  40    * @return the corresponding user API enum
  41    */
  42   static StatusCode fromErrorCode(ErrorCode code) {
  43     switch (code) {
  44       case OK: return StatusCode.OK;
  45       case INVALID_REQUEST: return StatusCode.INVALID_REQUEST;
  46       case TRANSIENT_ERROR: return StatusCode.TRANSIENT_ERROR;
  47       case INTERNAL_ERROR: return StatusCode.INTERNAL_ERROR;
  48       case PERMISSION_DENIED: return StatusCode.PERMISSION_DENIED_ERROR;
  49     }
  50     throw new IllegalArgumentException("Failed to convert error code to status enum " + code);
  51   }
  52 }