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<?php |
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/* |
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* Copyright 2008 Google Inc. |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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|
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require_once "apiFileCache.php"; |
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require_once "apiApcCache.php"; |
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require_once "apiMemcacheCache.php"; |
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|
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/** |
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* Abstract storage class |
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* |
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* @author Chris Chabot <chabotc@google.com> |
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*/ |
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abstract class apiCache { |
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|
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/** |
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* Retrieves the data for the given key, or false if they |
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* key is unknown or expired |
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* |
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* @param String $key The key who's data to retrieve |
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* @param boolean|int $expiration Expiration time in seconds |
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* |
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*/ |
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abstract function get($key, $expiration = false); |
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|
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/** |
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* Store the key => $value set. The $value is serialized |
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* by this function so can be of any type |
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* |
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* @param String $key Key of the data |
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* @param $value the data |
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*/ |
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abstract function set($key, $value); |
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|
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/** |
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* Removes the key/data pair for the given $key |
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* |
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* @param String $key |
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*/ |
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abstract function delete($key); |
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} |
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