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ZeedFramework/library/Com/Model/Configurable.php

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+<?php
+/**
+ * iNewS Project
+ * 
+ * LICENSE
+ * 
+ * http://www.inews.com.cn/license/inews
+ * 
+ * @category   iNewS
+ * @package    ChangeMe
+ * @subpackage ChangeMe
+ * @copyright  Copyright (c) 2008 Zeed Technologies PRC Inc. (http://www.inews.com.cn)
+ * @author     xSharp ( GTalk: xSharp@gmail.com )
+ * @since      Apr 12, 2010
+ * @version    SVN: $Id: Configurable.php 5063 2010-04-28 09:02:48Z xsharp $
+ */
+
+/**
+ * 常用的"配置型"数据表
+ */
+abstract class Com_Model_Configurable extends Zeed_Db_Model
+{
+    
+    public function fetchRowByUniqueField($field, $value)
+    {
+    }
+    
+    public function fetchRowsAll()
+    {
+    }
+    
+    /**
+     * 常用检测方法:
+     * 1.检查数据最后修改时间(兼容性好)
+     * 2.检查表属性(与数据库有关)
+     * <code lang="mysql">
+     * SHOW TABLE STATUS WHERE NAME='os_user'
+     * </code>
+     * 
+     * @return boolean
+     */
+    abstract protected function cacheIsValid()
+    {
+    }
+    
+    protected function saveCache()
+    {
+    }
+    
+    protected function loadCache()
+    {
+    }
+}
+
+// End ^ LF ^ encoding