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  public:
  20   NS_DECL_THREADSAFE_ISUPPORTS
  21   NS_DECL_MOZISTORAGERESULTSET
  22
  23   ResultSet();
  24
  25   /**
  26    * Adds a tuple to this result set.
  27    */
  28   nsresult add(mozIStorageRow* aTuple);
  29
  30   /**
  31    * @returns the number of rows this result set holds.
  32    */
  33   int32_t rows() const { return mData.Count(); }
  34
  35  private:
  36   ~ResultSet();
  37
  38   /**
  39    * Stores the current index of the active result set.
  40    */
  41   int32_t mCurrentIndex;
  42
  43   /**
  44    * Stores the tuples.
  45    */
  46   nsCOMArray<mozIStorageRow> mData;
  47 };
  48
  49 }  // namespace storage
  50 }  // namespace mozilla
  51
  52 #endif  // mozStorageResultSet_h