| // Copyright 2011 The Closure Library Authors. All Rights Reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS-IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| /** |
| * @fileoverview Abstract interface for storing and retrieving data using |
| * some persistence mechanism. |
| * |
| */ |
| |
| goog.provide('goog.storage.mechanism.Mechanism'); |
| |
| |
| |
| /** |
| * Basic interface for all storage mechanisms. |
| * |
| * @constructor |
| */ |
| goog.storage.mechanism.Mechanism = function() {}; |
| |
| |
| /** |
| * Set a value for a key. |
| * |
| * @param {string} key The key to set. |
| * @param {string} value The string to save. |
| */ |
| goog.storage.mechanism.Mechanism.prototype.set = goog.abstractMethod; |
| |
| |
| /** |
| * Get the value stored under a key. |
| * |
| * @param {string} key The key to get. |
| * @return {?string} The corresponding value, null if not found. |
| */ |
| goog.storage.mechanism.Mechanism.prototype.get = goog.abstractMethod; |
| |
| |
| /** |
| * Remove a key and its value. |
| * |
| * @param {string} key The key to remove. |
| */ |
| goog.storage.mechanism.Mechanism.prototype.remove = goog.abstractMethod; |