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--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
146 lines
4.5 KiB
C++
146 lines
4.5 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* vim: sw=2 ts=2 et lcs=trail\:.,tab\:>~ :
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Oracle Corporation code.
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*
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* The Initial Developer of the Original Code is
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* Oracle Corporation
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* Portions created by the Initial Developer are Copyright (C) 2004
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Vladimir Vukicevic <vladimir.vukicevic@oracle.com>
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* Andrew Sutherland <asutherland@asutherland.org>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef mozilla_storage_mozStorageAsyncStatement_h_
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#define mozilla_storage_mozStorageAsyncStatement_h_
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#include "nsAutoPtr.h"
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#include "nsString.h"
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#include "nsTArray.h"
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#include "mozStorageBindingParamsArray.h"
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#include "mozStorageStatementData.h"
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#include "mozIStorageAsyncStatement.h"
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#include "StorageBaseStatementInternal.h"
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class nsIXPConnectJSObjectHolder;
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struct sqlite3_stmt;
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namespace mozilla {
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namespace storage {
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class AsyncStatementJSHelper;
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class Connection;
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class AsyncStatement : public mozIStorageAsyncStatement
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, public StorageBaseStatementInternal
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{
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_MOZISTORAGEASYNCSTATEMENT
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NS_DECL_MOZISTORAGEBASESTATEMENT
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NS_DECL_MOZISTORAGEBINDINGPARAMS
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NS_DECL_STORAGEBASESTATEMENTINTERNAL
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AsyncStatement();
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/**
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* Initializes the object on aDBConnection by preparing the SQL statement
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* given by aSQLStatement.
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*
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* @param aDBConnection
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* The Connection object this statement is associated with.
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* @param aSQLStatement
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* The SQL statement to prepare that this object will represent.
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*/
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nsresult initialize(Connection *aDBConnection,
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const nsACString &aSQLStatement);
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/**
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* Obtains and transfers ownership of the array of parameters that are bound
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* to this statment. This can be null.
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*/
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inline already_AddRefed<BindingParamsArray> bindingParamsArray()
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{
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return mParamsArray.forget();
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}
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private:
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~AsyncStatement();
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/**
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* Clean up the references JS helpers hold to us. For cycle-avoidance reasons
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* they do not hold reference-counted references to us, so it is important
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* we do this.
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*/
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void cleanupJSHelpers();
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/**
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* @return a pointer to the BindingParams object to use with our Bind*
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* method.
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*/
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mozIStorageBindingParams *getParams();
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/**
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* The SQL string as passed by the user. We store it because we create the
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* async statement on-demand on the async thread.
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*/
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nsCString mSQLString;
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/**
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* Holds the array of parameters to bind to this statement when we execute
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* it asynchronously.
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*/
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nsRefPtr<BindingParamsArray> mParamsArray;
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/**
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* Caches the JS 'params' helper for this statement.
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*/
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nsCOMPtr<nsIXPConnectJSObjectHolder> mStatementParamsHolder;
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/**
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* Have we been explicitly finalized by the user?
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*/
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bool mFinalized;
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/**
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* Required for access to private mStatementParamsHolder field by
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* AsyncStatementJSHelper::getParams.
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*/
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friend class AsyncStatementJSHelper;
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};
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} // storage
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} // mozilla
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#endif // mozilla_storage_mozStorageAsyncStatement_h_
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