57 lines
1.5 KiB
JavaScript
57 lines
1.5 KiB
JavaScript
// 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;
|