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97 lines
2.1 KiB
97 lines
2.1 KiB
<?php
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/**
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* @copyright Copyright (c) 2016, ownCloud, Inc.
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*
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* @author Lukas Reschke <lukas@statuscode.ch>
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* @author Morris Jobke <hey@morrisjobke.de>
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* @author Robin Appelman <robin@icewind.nl>
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* @author Robin McCorkell <robin@mccorkell.me.uk>
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*
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* @license AGPL-3.0
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*
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* This code is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License, version 3,
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License, version 3,
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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*
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*/
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namespace OC\Memcache;
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abstract class Cache implements \ArrayAccess, \OCP\ICache {
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/**
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* @var string $prefix
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*/
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protected $prefix;
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/**
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* @param string $prefix
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*/
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public function __construct($prefix = '') {
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$this->prefix = $prefix;
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}
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/**
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* @return string Prefix used for caching purposes
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*/
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public function getPrefix() {
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return $this->prefix;
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}
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/**
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* @param string $key
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* @return mixed
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*/
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abstract public function get($key);
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/**
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* @param string $key
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* @param mixed $value
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* @param int $ttl
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* @return mixed
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*/
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abstract public function set($key, $value, $ttl = 0);
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/**
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* @param string $key
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* @return mixed
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*/
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abstract public function hasKey($key);
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/**
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* @param string $key
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* @return mixed
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*/
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abstract public function remove($key);
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/**
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* @param string $prefix
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* @return mixed
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*/
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abstract public function clear($prefix = '');
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//implement the ArrayAccess interface
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public function offsetExists($offset) {
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return $this->hasKey($offset);
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}
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public function offsetSet($offset, $value) {
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$this->set($offset, $value);
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}
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public function offsetGet($offset) {
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return $this->get($offset);
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}
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public function offsetUnset($offset) {
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$this->remove($offset);
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}
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}
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