gecko/storage/src/mozStorageResultSet.h
Shawn Wilsher dc609f2b37 Bug 454740 - Asynchronous storage should batch/chunk results
This changeset batches results obtained by the async storage API so we are not
flooding the calling thread with so many events.
r=asuth
2008-10-29 13:13:32 -04:00

78 lines
2.5 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* vim: sw=2 ts=2 sts=2 expandtab
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (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.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Mozilla Corporation
* Portions created by the Initial Developer are Copyright (C) 2008
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Shawn Wilsher <me@shawnwilsher.com> (Original Author)
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
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*
* ***** END LICENSE BLOCK ***** */
#ifndef __mozStorageResultSet_h__
#define __mozStorageResultSet_h__
#include "mozIStorageResultSet.h"
#include "nsCOMArray.h"
class mozIStorageRow;
class mozStorageResultSet : public mozIStorageResultSet
{
public:
NS_DECL_ISUPPORTS
NS_DECL_MOZISTORAGERESULTSET
mozStorageResultSet();
~mozStorageResultSet();
/**
* Adds a tuple to this result set.
*/
nsresult add(mozIStorageRow *aTuple);
/**
* @returns the number of rows this result set holds.
*/
PRInt32 rows() const { return mData.Count(); }
private:
/**
* Stores the current index of the active result set.
*/
PRInt32 mCurrentIndex;
/**
* Stores the tuples.
*/
nsCOMArray<mozIStorageRow> mData;
};
#endif // __mozStorageResultSet_h__