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social/src/cache/apiCache.php 1.42 KB
42868d70   andryeyev   Создал GIT
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  <?php
  /*
   * Copyright 2008 Google Inc.
   *
   * 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.
   */
  
  require_once "apiFileCache.php";
  require_once "apiApcCache.php";
  require_once "apiMemcacheCache.php";
  
  /**
   * Abstract storage class
   *
   * @author Chris Chabot <chabotc@google.com>
   */
  abstract class apiCache {
  
    /**
     * Retrieves the data for the given key, or false if they
     * key is unknown or expired
     *
     * @param String $key The key who's data to retrieve
     * @param int $expiration Experiration time in seconds
     */
    abstract function get($key, $expiration = false);
  
    /**
     * Store the key => $value set. The $value is serialized
     * by this function so can be of any type
     *
     * @param String $key Key of the data
     * @param Any-type $value the data
     */
    abstract function set($key, $value);
  
    /**
     * Removes the key/data pair for the given $key
     *
     * @param String $key
     */
    abstract function delete($key);
  }