storage/mozStorageResultSet.h

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
   2  * vim: sw=2 ts=2 et lcs=trail\:.,tab\:>~ :
   3  * This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef mozStorageResultSet_h
   8 #define mozStorageResultSet_h
   9
  10 #include "mozIStorageResultSet.h"
  11 #include "nsCOMArray.h"
  12 #include "mozilla/Attributes.h"
  13 class mozIStorageRow;
  14
  15 namespace mozilla {
  16 namespace storage {
  17
  18 class ResultSet final : public mozIStorageResultSet
  19 {
  20 public:
  21   NS_DECL_THREADSAFE_ISUPPORTS
  22   NS_DECL_MOZISTORAGERESULTSET
  23
  24   ResultSet();
  25
  26   /**
  27    * Adds a tuple to this result set.
  28    */
  29   nsresult add(mozIStorageRow *aTuple);
  30
  31   /**
  32    * @returns the number of rows this result set holds.
  33    */
  34   int32_t rows() const { return mData.Count(); }
  35
  36 private:
  37   ~ResultSet();
  38
  39   /**
  40    * Stores the current index of the active result set.
  41    */
  42   int32_t mCurrentIndex;
  43
  44   /**
  45    * Stores the tuples.
  46    */
  47   nsCOMArray<mozIStorageRow> mData;
  48 };
  49
  50 } // namespace storage
  51 } // namespace mozilla
  52
  53 #endif // mozStorageResultSet_h