V 3.5 RC 1

lib/classes/cache/opcode/adapter.class.php

@@ -0,0 +1,174 @@
+<?php
+
+/*
+ * This file is part of Phraseanet
+ *
+ * (c) 2005-2010 Alchemy
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ *
+ * @package     cache
+ * @license     http://opensource.org/licenses/gpl-3.0 GPLv3
+ * @link        www.phraseanet.com
+ */
+class cache_opcode_adapter implements cache_opcode_Interface
+{
+  /**
+   *
+   */
+  const APC = 0;
+  /**
+   *
+   */
+  const XCACHE = 1;
+  /**
+   *
+   */
+  const NOCACHE = 2;
+
+  /**
+   *
+   * @var const
+   */
+  protected $cache_method;
+  /**
+   *
+   * @var array
+   */
+  protected static $_static_cache = array();
+  /**
+   *
+   * @var string
+   */
+  protected $prefix;
+
+  /**
+   *
+   * @return cache_opcode_adapter
+   */
+  public function __construct($prefix = '')
+  {
+    if (!http_request::is_command_line() && function_exists('apc_store'))
+      $this->cache_method = self::APC;
+    elseif (!http_request::is_command_line() && function_exists('xcache_set'))
+      $this->cache_method = self::XCACHE;
+    else
+      $this->cache_method = self::NOCACHE;
+
+    $this->prefix = $prefix;
+
+    return $this;
+  }
+
+  /**
+   *
+   * @param string $key
+   * @return mixed
+   */
+  public function get($key)
+  {
+    $key = sprintf('%s_%s', $this->prefix, $key);
+    switch ($this->cache_method)
+    {
+      case self::APC:
+        return apc_fetch($key);
+        break;
+      case self::XCACHE:
+        return xcache_get($key);
+        break;
+      default:
+        return isset(self::$_static_cache[$key]) ? self::$_static_cache[$key] : null;
+        break;
+    }
+  }
+
+  /**
+   *
+   * @param string $key
+   * @param mixed $var
+   * @return cache_opcode_adapter
+   */
+  public function set($key, $var)
+  {
+    $key = sprintf('%s_%s', $this->prefix, $key);
+    switch ($this->cache_method)
+    {
+      case self::APC:
+        if ($this->is_set($key))
+          apc_delete($key);
+        apc_store($key, $var);
+        break;
+      case self::XCACHE:
+        if ($this->is_set($key))
+          $this->un_set ($key);
+        xcache_set($key, $var);
+        break;
+      default:
+        self::$_static_cache[$key] = $var;
+        break;
+    }
+
+    return $this;
+  }
+
+  /**
+   *
+   * @param string $key
+   * @return boolean
+   */
+  public function is_set($key)
+  {
+    $key = sprintf('%s_%s', $this->prefix, $key);
+    switch ($this->cache_method)
+    {
+      case self::APC:
+        if (function_exists('apc_exists'))
+        {
+          return apc_exists($key);
+        }
+        else
+        {
+          apc_fetch($key, $succes);
+
+          return $succes;
+        }
+        break;
+      case self::XCACHE:
+        return xcache_isset($key);
+        break;
+      default:
+        return isset(self::$_static_cache[$key]);
+        break;
+    }
+  }
+
+  /**
+   *
+   * @param string $key
+   * @return cache_opcode_adapter
+   */
+  public function un_set($key)
+  {
+    $key = sprintf('%s_%s', $this->prefix, $key);
+    switch ($this->cache_method)
+    {
+      case self::APC:
+        apc_delete($key);
+        break;
+      case self::XCACHE:
+        xcache_unset($key);
+        break;
+      default:
+        if (isset(self::$_static_cache[$key]))
+          unset(self::$_static_cache[$key]);
+        break;
+    }
+
+    return $this;
+  }
+
+}

lib/classes/cache/opcode/interface.class.php

@@ -0,0 +1,27 @@
+<?php
+
+/*
+ * This file is part of Phraseanet
+ *
+ * (c) 2005-2010 Alchemy
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ *
+ * @package
+ * @license     http://opensource.org/licenses/gpl-3.0 GPLv3
+ * @link        www.phraseanet.com
+ */
+interface cache_opcode_interface
+{
+  public function get($key);
+
+  public function set($key, $var);
+
+  public function is_set($key);
+
+  public function un_set($key);
+}