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112 lines
4.3 KiB
Plaintext
112 lines
4.3 KiB
Plaintext
/* -*- Mode: idl; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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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*
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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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#include "nsISupports.idl"
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interface mozIStorageConnection;
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interface nsIFile;
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/**
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* The mozIStorageService interface is intended to be implemented by
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* a service that can create storage connections (mozIStorageConnection)
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* to either a well-known profile database or to a specific database file.
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*
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* The implementation of this service using sqlite with the async IO module
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* must be created the first time on the main thread. If you want to use it
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* from another thread, you should be sure you call getService from the main
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* thread before accessing it from another thread.
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*
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* This is the only way to open a database connection.
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*/
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[scriptable, uuid(a4a0cad9-e0da-4379-bee4-2feef3dddc7e)]
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interface mozIStorageService : nsISupports {
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/**
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* Get a connection to a named special database storage.
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*
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* @param aStorageKey a string key identifying the type of storage
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* requested. Valid values include: "profile", "memory".
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*
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* @see openDatabase for restrictions on how database connections may be
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* used. For the profile database, you should only access it from the main
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* thread since other callers may also have connections.
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*
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* @returns a new mozIStorageConnection for the requested
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* storage database.
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*
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* @throws NS_ERROR_INVALID_ARG if aStorageKey is invalid.
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*/
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mozIStorageConnection openSpecialDatabase(in string aStorageKey);
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/**
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* Open a connection to the specified file.
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*
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* ==========
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* DANGER
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* ==========
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*
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* If you have more than one connection to a file, you MUST use the EXACT
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* SAME NAME for the file each time, including case. The sqlite code uses
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* a simple string compare to see if there is already a connection. Opening
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* a connection to "Foo.sqlite" and "foo.sqlite" will CORRUPT YOUR DATABASE.
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*
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* Opening connections from more than one thread to the same database will
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* also CORRUPT YOUR DATABASE. All connections share the same sqlite cache,
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* and the cache is not threadsafe.
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*
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* The connection object returned by this function is not threadsafe. You must
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* use it only from the thread you created it from.
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*
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* @param aDatabaseFile a nsIFile of the database to open.
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*
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* @returns a mozIStorageConnection for the requested
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* database file.
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*
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* @throws NS_ERROR_FAILURE if any operation fails while opening
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* the database.
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*/
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mozIStorageConnection openDatabase(in nsIFile aDatabaseFile);
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};
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%{C++
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#define MOZ_STORAGE_MEMORY_STORAGE_KEY "memory"
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#define MOZ_STORAGE_PROFILE_STORAGE_KEY "profile"
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%}
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