<?php /** * TSqlMapConfig class file. * * @author Wei Zhuo <weizhuo[at]gmail[dot]com> * @link http://www.pradosoft.com/ * @copyright Copyright © 2005-2007 PradoSoft * @license http://www.pradosoft.com/license/ * @version $Id$ * @package System.Data.SqlMap */ Prado::using('System.Data.TDataSourceConfig'); /** * TSqlMapConfig module configuration class. * * Database connection and TSqlMapManager configuration. * * @author Wei Zhuo <weizho[at]gmail[dot]com> * @version $Id$ * @package System.Data.SqlMap * @since 3.1 */ class TSqlMapConfig extends TDataSourceConfig { private $_configFile; private $_sqlmap; private $_enableCache=false; /** * File extension of external configuration file */ const CONFIG_FILE_EXT='.xml'; /** * @return string module ID + configuration file path. */ private function getCacheKey() { return $this->getID().$this->getConfigFile(); } /** * Deletes the configuration cache. */ public function clearCache() { $cache = $this->getApplication()->getCache(); if(!is_null($cache)) $cache->delete($this->getCacheKey()); } /** * Saves the current SqlMap manager to cache. * @return boolean true if SqlMap manager was cached, false otherwise. */ protected function cacheSqlMapManager($manager) { if($this->getEnableCache()) { $cache = $this->getApplication()->getCache(); if(!is_null($cache)) return $cache->set($this->getCacheKey(), $manager); } return false; } /** * Loads SqlMap manager from cache. * @return TSqlMapManager SqlMap manager intance if load was successful, null otherwise. */ protected function loadCachedSqlMapManager() { if($this->getEnableCache()) { $cache = $this->getApplication()->getCache(); if(!is_null($cache)) { $manager = $cache->get($this->getCacheKey()); if($manager instanceof TSqlMapManager) return $manager; } } } /** * @return string SqlMap configuration file. */ public function getConfigFile() { return $this->_configFile; } /** * @param string external configuration file in namespace format. The file * extension must be '.xml'. * @throws TConfigurationException if the file is invalid. */ public function setConfigFile($value) { if(is_file($value)) $this->_configFile=$value; else { $file = Prado::getPathOfNamespace($value,self::CONFIG_FILE_EXT); if(is_null($file) || !is_file($file)) throw new TConfigurationException('sqlmap_configfile_invalid',$value); else $this->_configFile = $file; } } /** * Set true to cache sqlmap instances. * @param boolean true to cache sqlmap instance. */ public function setEnableCache($value) { $this->_enableCache = TPropertyValue::ensureBoolean($value, false); } /** * @return boolean true if configuration should be cached, false otherwise. */ public function getEnableCache() { return $this->_enableCache; } /** * Configure the data mapper using sqlmap configuration file. * If cache is enabled, the data mapper instance is cached. * @return TSqlMapGateway SqlMap gateway instance. */ protected function createSqlMapGateway() { Prado::using('System.Data.SqlMap.TSqlMapManager'); if(($manager = $this->loadCachedSqlMapManager())===null) { $manager = new TSqlMapManager($this->getDbConnection()); if(strlen($file=$this->getConfigFile()) > 0) { $manager->configureXml($file); $this->cacheSqlMapManager($manager); } } return $manager->getSqlmapGateway(); } /** * Initialize the sqlmap if necessary, returns the TSqlMapGateway instance. * @return TSqlMapGateway SqlMap gateway instance. */ public function getClient() { if($this->_sqlmap===null ) $this->_sqlmap=$this->createSqlMapGateway(); return $this->_sqlmap; } } ?>