gecko-dev/storage/src/mozStorageBindingParamsArray.cpp
Andrew Sutherland 805fe0e096 Bug 507414 - Add a createAsyncStatement API on mozIStorageConnection. r=sdwilsh, sr=vlad.
--HG--
rename : storage/src/mozStorageStatementJSHelper.cpp => storage/src/mozStorageAsyncStatementJSHelper.cpp
rename : storage/src/mozStorageStatementJSHelper.h => storage/src/mozStorageAsyncStatementJSHelper.h
rename : storage/src/mozStorageStatementParams.cpp => storage/src/mozStorageAsyncStatementParams.cpp
rename : storage/src/mozStorageStatementParams.h => storage/src/mozStorageAsyncStatementParams.h
2010-03-24 00:32:40 -07:00

124 lines
3.7 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* vim: sw=2 ts=2 et lcs=trail\:.,tab\:>~ :
* ***** 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) 2009
* 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
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "mozStorageBindingParamsArray.h"
#include "mozStorageBindingParams.h"
#include "StorageBaseStatementInternal.h"
namespace mozilla {
namespace storage {
////////////////////////////////////////////////////////////////////////////////
//// BindingParamsArray
BindingParamsArray::BindingParamsArray(
StorageBaseStatementInternal *aOwningStatement
)
: mOwningStatement(aOwningStatement)
, mLocked(false)
{
}
void
BindingParamsArray::lock()
{
NS_ASSERTION(mLocked == false, "Array has already been locked!");
mLocked = true;
// We also no longer need to hold a reference to our statement since it owns
// us.
mOwningStatement = nsnull;
}
const StorageBaseStatementInternal *
BindingParamsArray::getOwner() const
{
return mOwningStatement;
}
NS_IMPL_THREADSAFE_ISUPPORTS1(
BindingParamsArray,
mozIStorageBindingParamsArray
)
///////////////////////////////////////////////////////////////////////////////
//// mozIStorageBindingParamsArray
NS_IMETHODIMP
BindingParamsArray::NewBindingParams(mozIStorageBindingParams **_params)
{
NS_ENSURE_FALSE(mLocked, NS_ERROR_UNEXPECTED);
nsCOMPtr<mozIStorageBindingParams> params(
mOwningStatement->newBindingParams(this));
NS_ENSURE_TRUE(params, NS_ERROR_UNEXPECTED);
params.forget(_params);
return NS_OK;
}
NS_IMETHODIMP
BindingParamsArray::AddParams(mozIStorageBindingParams *aParameters)
{
NS_ENSURE_FALSE(mLocked, NS_ERROR_UNEXPECTED);
BindingParams *params = static_cast<BindingParams *>(aParameters);
// Check to make sure that this set of parameters was created with us.
if (params->getOwner() != this)
return NS_ERROR_UNEXPECTED;
NS_ENSURE_TRUE(mArray.AppendElement(params), NS_ERROR_OUT_OF_MEMORY);
// Lock the parameters only after we've successfully added them.
params->lock();
return NS_OK;
}
NS_IMETHODIMP
BindingParamsArray::GetLength(PRUint32 *_length)
{
*_length = length();
return NS_OK;
}
} // namespace storage
} // namespace mozilla