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<?php
/**
* TSqlMapXmlConfigBuilder, TSqlMapXmlConfiguration, TSqlMapXmlMappingConfiguration classes file.
*
* @author Wei Zhuo <weizhuo[at]gmail[dot]com>
* @link http://www.pradosoft.com/
* @copyright Copyright © 2005-2014 PradoSoft
* @license http://www.pradosoft.com/license/
* @package Prado\Data\SqlMap\Configuration
*/
namespace Prado\Data\SqlMap\Configuration;
/**
* TSqlMapXmlConfig class.
*
* Configures the TSqlMapManager using xml configuration file.
*
* @author Wei Zhuo <weizho[at]gmail[dot]com>
* @package Prado\Data\SqlMap\Configuration
* @since 3.1
*/
class TSqlMapXmlConfiguration extends TSqlMapXmlConfigBuilder
{
/**
* @var TSqlMapManager manager
*/
private $_manager;
/**
* @var string configuration file.
*/
private $_configFile;
/**
* @var array global properties.
*/
private $_properties=array();
/**
* @param TSqlMapManager manager instance.
*/
public function __construct($manager)
{
$this->_manager=$manager;
}
public function getManager()
{
return $this->_manager;
}
protected function getConfigFile()
{
return $this->_configFile;
}
/**
* Configure the TSqlMapManager using the given xml file.
* @param string SqlMap configuration xml file.
*/
public function configure($filename=null)
{
$this->_configFile=$filename;
$document = $this->loadXmlDocument($filename,$this);
foreach($document->xpath('//property') as $property)
$this->loadGlobalProperty($property);
foreach($document->xpath('//typeHandler') as $handler)
$this->loadTypeHandler($handler);
foreach($document->xpath('//connection[last()]') as $conn)
$this->loadDatabaseConnection($conn);
//try to load configuration in the current config file.
$mapping = new TSqlMapXmlMappingConfiguration($this);
$mapping->configure($filename);
foreach($document->xpath('//sqlMap') as $sqlmap)
$this->loadSqlMappingFiles($sqlmap);
$this->resolveResultMapping();
$this->attachCacheModels();
}
/**
* Load global replacement property.
* @param SimpleXmlElement property node.
*/
protected function loadGlobalProperty($node)
{
$this->_properties[(string)$node['name']] = (string)$node['value'];
}
/**
* Load the type handler configurations.
* @param SimpleXmlElement type handler node
*/
protected function loadTypeHandler($node)
{
$handler = $this->createObjectFromNode($node);
$this->_manager->getTypeHandlers()->registerTypeHandler($handler);
}
/**
* Load the database connection tag.
* @param SimpleXmlElement connection node.
*/
protected function loadDatabaseConnection($node)
{
$conn = $this->createObjectFromNode($node);
$this->_manager->setDbConnection($conn);
}
/**
* Load SqlMap mapping configuration.
* @param unknown_type $node
*/
protected function loadSqlMappingFiles($node)
{
if(strlen($resource = (string)$node['resource']) > 0)
{
if( strpos($resource, '${') !== false)
$resource = $this->replaceProperties($resource);
$mapping = new TSqlMapXmlMappingConfiguration($this);
$filename = $this->getAbsoluteFilePath($this->_configFile, $resource);
$mapping->configure($filename);
}
}
/**
* Resolve nest result mappings.
*/
protected function resolveResultMapping()
{
$maps = $this->_manager->getResultMaps();
foreach($maps as $entry)
{
foreach($entry->getColumns() as $item)
{
$resultMap = $item->getResultMapping();
if(strlen($resultMap) > 0)
{
if($maps->contains($resultMap))
$item->setNestedResultMap($maps[$resultMap]);
else
throw new TSqlMapConfigurationException(
'sqlmap_unable_to_find_result_mapping',
$resultMap, $this->_configFile, $entry->getID());
}
}
if($entry->getDiscriminator()!==null)
$entry->getDiscriminator()->initialize($this->_manager);
}
}
/**
* Set the cache for each statement having a cache model property.
*/
protected function attachCacheModels()
{
foreach($this->_manager->getMappedStatements() as $mappedStatement)
{
if(strlen($model = $mappedStatement->getStatement()->getCacheModel()) > 0)
{
$cache = $this->_manager->getCacheModel($model);
$mappedStatement->getStatement()->setCache($cache);
}
}
}
/**
* Replace the place holders ${name} in text with properties the
* corresponding global property value.
* @param string original string.
* @return string string with global property replacement.
*/
public function replaceProperties($string)
{
foreach($this->_properties as $find => $replace)
$string = str_replace('${'.$find.'}', $replace, $string);
return $string;
}
}
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