storage/src/mozStorageResultSet.cpp
author Ben Hearsum <bhearsum@mozilla.com>
Wed, 23 Jul 2008 09:11:59 -0400
changeset 16136 9d9941eacb14827fdab4716710042fdde84eb60d
parent 15802 b8df7471a2e2f6de5c96523f223b36db46ef7500
child 27339 3fe0af99bdbe10c1593a0303eea92af28b2853ae
permissions -rw-r--r--
bug 446660: tracking bug for build and release of Firefox 3.1a1 - version bumps for release builds (3.1a1pre -> 3.1a1) r=ted

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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 * 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
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 * Contributor(s):
 *   Shawn Wilsher <me@shawnwilsher.com> (Original Author)
 *
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#include "mozStorageRow.h"
#include "mozStorageResultSet.h"

////////////////////////////////////////////////////////////////////////////////
//// mozStorageResultSet

/**
 * Note:  This object is only ever accessed on one thread at a time.  It it not
 *        threadsafe, but it does need threadsafe AddRef and Release.
 */
NS_IMPL_THREADSAFE_ISUPPORTS1(mozStorageResultSet, mozIStorageResultSet)

mozStorageResultSet::mozStorageResultSet() :
    mCurrentIndex(0)
{
}

mozStorageResultSet::~mozStorageResultSet()
{
  mData.Clear();
}

nsresult
mozStorageResultSet::add(mozIStorageRow *aRow)
{
  return mData.AppendObject(aRow) ? NS_OK : NS_ERROR_OUT_OF_MEMORY;
}

////////////////////////////////////////////////////////////////////////////////
//// mozIStorageResultSet

NS_IMETHODIMP
mozStorageResultSet::GetNextRow(mozIStorageRow **_row)
{
  if (mCurrentIndex >= mData.Count()) {
    // Just return null here
    return NS_OK;
  }

  NS_ADDREF(*_row = mData.ObjectAt(mCurrentIndex++));
  return NS_OK;
}