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wp-content/plugins/smart-slider-3/Nextend/Framework/Cache/AbstractCache.php

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+<?php
+
+namespace Nextend\Framework\Cache;
+
+
+use Nextend\Framework\Cache\Storage\AbstractStorage;
+
+abstract class AbstractCache {
+
+    protected $group = '';
+    protected $isAccessible = false;
+
+    /** @var AbstractStorage */
+    public $storage;
+
+    protected $_storageEngine = 'filesystem';
+
+    /**
+     * @param string $engine
+     *
+     * @return AbstractStorage
+     */
+    public static function getStorage($engine = "filesystem") {
+        static $storage = null;
+        if ($storage === null) {
+            $storage = array(
+                'filesystem' => new  Storage\Filesystem(),
+                'database'   => new Storage\Database()
+            );
+        }
+
+        return $storage[$engine];
+    }
+
+    public static function clearAll() {
+        self::getStorage('filesystem')
+            ->clearAll();
+        self::getStorage('filesystem')
+            ->clearAll('web');
+    }
+
+    public static function clearGroup($group) {
+        self::getStorage('filesystem')
+            ->clear($group);
+        self::getStorage('filesystem')
+            ->clear($group, 'web');
+        self::getStorage('database')
+            ->clear($group);
+        self::getStorage('database')
+            ->clear($group, 'web');
+    }
+
+    public function __construct($group, $isAccessible = false) {
+        $this->group        = $group;
+        $this->isAccessible = $isAccessible;
+        $this->storage      = self::getStorage($this->_storageEngine);
+    }
+
+    protected function clearCurrentGroup() {
+        $this->storage->clear($this->group, $this->getScope());
+    }
+
+    protected function getScope() {
+        if ($this->isAccessible) {
+            return 'web';
+        }
+
+        return 'notweb';
+    }
+
+    protected function exists($key) {
+        return $this->storage->exists($this->group, $key, $this->getScope());
+    }
+
+    protected function get($key) {
+        return $this->storage->get($this->group, $key, $this->getScope());
+    }
+
+    protected function set($key, $value) {
+        $this->storage->set($this->group, $key, $value, $this->getScope());
+    }
+
+    protected function getPath($key) {
+        return $this->storage->getPath($this->group, $key, $this->getScope());
+    }
+
+    protected function remove($key) {
+        return $this->storage->remove($this->group, $key, $this->getScope());
+    }
+}