зеркало из https://github.com/mozilla/pjs.git
105 строки
3.3 KiB
JavaScript
105 строки
3.3 KiB
JavaScript
/* ***** 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 Bookmarks Sync.
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*
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* The Initial Developer of the Original Code is Mozilla.
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* Portions created by the Initial Developer are Copyright (C) 2007
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Dan Mills <thunder@mozilla.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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const EXPORTED_SYMBOLS = ["Store"];
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const Cc = Components.classes;
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const Ci = Components.interfaces;
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const Cr = Components.results;
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const Cu = Components.utils;
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Cu.import("resource://services-sync/constants.js");
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Cu.import("resource://services-sync/log4moz.js");
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Cu.import("resource://services-sync/util.js");
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/*
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* Data Stores
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* These can wrap, serialize items and apply commands
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*/
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function Store(name) {
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name = name || "Unnamed";
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this.name = name.toLowerCase();
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this._log = Log4Moz.repository.getLogger("Store." + name);
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let level = Svc.Prefs.get("log.logger.engine." + this.name, "Debug");
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this._log.level = Log4Moz.Level[level];
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}
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Store.prototype = {
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applyIncoming: function Store_applyIncoming(record) {
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if (record.deleted)
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this.remove(record);
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else if (!this.itemExists(record.id))
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this.create(record);
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else
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this.update(record);
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},
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// override these in derived objects
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create: function Store_create(record) {
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throw "override create in a subclass";
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},
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remove: function Store_remove(record) {
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throw "override remove in a subclass";
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},
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update: function Store_update(record) {
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throw "override update in a subclass";
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},
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itemExists: function Store_itemExists(id) {
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throw "override itemExists in a subclass";
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},
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createRecord: function Store_createRecord(id) {
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throw "override createRecord in a subclass";
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},
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changeItemID: function Store_changeItemID(oldID, newID) {
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throw "override changeItemID in a subclass";
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},
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getAllIDs: function Store_getAllIDs() {
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throw "override getAllIDs in a subclass";
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},
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wipe: function Store_wipe() {
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throw "override wipe in a subclass";
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}
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};
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