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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 © 2005-2013 PradoSoft
* @license http://www.pradosoft.com/license/
* @version $Id$
* @package System.Data.SqlMap.Configuration
*/
Prado::using('System.Data.SqlMap.Configuration.TSqlMapStatement');
/**
* TSqlMapXmlConfig class file.
*
* @author Wei Zhuo <weizhuo[at]gmail[dot]com>
* @version $Id$
* @package System.Data.SqlMap.Configuration
*/
abstract class TSqlMapXmlConfigBuilder
{
/**
* Create an instance of an object give by the attribute named 'class' in the
* node and set the properties on the object given by attribute names and values.
* @param SimpleXmlNode property node
* @return Object new instance of class with class name given by 'class' attribute value.
*/
protected function createObjectFromNode($node)
{
if(isset($node['class']))
{
$obj = Prado::createComponent((string)$node['class']);
$this->setObjectPropFromNode($obj,$node,array('class'));
return $obj;
}
throw new TSqlMapConfigurationException(
'sqlmap_node_class_undef', $node, $this->getConfigFile());
}
/**
* For each attributes (excluding attribute named in $except) set the
* property of the $obj given by the name of the attribute with the value
* of the attribute.
* @param Object object instance
* @param SimpleXmlNode property node
* @param array exception property name
*/
protected function setObjectPropFromNode($obj,$node,$except=array())
{
foreach($node->attributes() as $name=>$value)
{
if(!in_array($name,$except))
{
if($obj->canSetProperty($name))
$obj->{$name} = (string)$value;
else
throw new TSqlMapConfigurationException(
'sqlmap_invalid_property', $name, get_class($obj),
$node, $this->getConfigFile());
}
}
}
/**
* Gets the filename relative to the basefile.
* @param string base filename
* @param string relative filename
* @return string absolute filename.
*/
protected function getAbsoluteFilePath($basefile,$resource)
{
$basedir = dirname($basefile);
$file = realpath($basedir.DIRECTORY_SEPARATOR.$resource);
if(!is_string($file) || !is_file($file))
$file = realpath($resource);
if(is_string($file) && is_file($file))
return $file;
else
throw new TSqlMapConfigurationException(
'sqlmap_unable_to_find_resource', $resource);
}
/**
* Load document using simple xml.
* @param string filename.
* @return SimpleXmlElement xml document.
*/
protected function loadXmlDocument($filename,TSqlMapXmlConfiguration $config)
{
if( strpos($filename, '${') !== false)
$filename = $config->replaceProperties($filename);
if(!is_file($filename))
throw new TSqlMapConfigurationException(
'sqlmap_unable_to_find_config', $filename);
return simplexml_load_string($config->replaceProperties(file_get_contents($filename)));
}
/**
* Get element node by ID value (try for attribute name ID as case insensitive).
* @param SimpleXmlDocument $document
* @param string tag name.
* @param string id value.
* @return SimpleXmlElement node if found, null otherwise.
*/
protected function getElementByIdValue($document, $tag, $value)
{
//hack to allow upper case and lower case attribute names.
foreach(array('id','ID','Id', 'iD') as $id)
{
$xpath = "//{$tag}[@{$id}='{$value}']";
foreach($document->xpath($xpath) as $node)
return $node;
}
}
/**
* @return string configuration file.
*/
protected abstract function getConfigFile();
}
/**
* TSqlMapXmlConfig class.
*
* Configures the TSqlMapManager using xml configuration file.
*
* @author Wei Zhuo <weizho[at]gmail[dot]com>
* @version $Id$
* @package System.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;
}
}
/**
* Loads the statements, result maps, parameters maps from xml configuration.
*
* description
*
* @author Wei Zhuo <weizho[at]gmail[dot]com>
* @version $Id$
* @package System.Data.SqlMap.Configuration
* @since 3.1
*/
class TSqlMapXmlMappingConfiguration extends TSqlMapXmlConfigBuilder
{
private $_xmlConfig;
private $_configFile;
private $_manager;
private $_document;
private $_FlushOnExecuteStatements=array();
/**
* Regular expressions for escaping simple/inline parameter symbols
*/
const SIMPLE_MARK='$';
const INLINE_SYMBOL='#';
const ESCAPED_SIMPLE_MARK_REGEXP='/\$\$/';
const ESCAPED_INLINE_SYMBOL_REGEXP='/\#\#/';
const SIMPLE_PLACEHOLDER='`!!`';
const INLINE_PLACEHOLDER='`!!!`';
/**
* @param TSqlMapXmlConfiguration parent xml configuration.
*/
public function __construct(TSqlMapXmlConfiguration $xmlConfig)
{
$this->_xmlConfig=$xmlConfig;
$this->_manager=$xmlConfig->getManager();
}
protected function getConfigFile()
{
return $this->_configFile;
}
/**
* Configure an XML mapping.
* @param string xml mapping filename.
*/
public function configure($filename)
{
$this->_configFile=$filename;
$document = $this->loadXmlDocument($filename,$this->_xmlConfig);
$this->_document=$document;
static $bCacheDependencies;
if($bCacheDependencies === null)
$bCacheDependencies = Prado::getApplication()->getMode() !== TApplicationMode::Performance;
if($bCacheDependencies)
$this->_manager->getCacheDependencies()
->getDependencies()
->add(new TFileCacheDependency($filename));
foreach($document->xpath('//resultMap') as $node)
$this->loadResultMap($node);
foreach($document->xpath('//parameterMap') as $node)
$this->loadParameterMap($node);
foreach($document->xpath('//statement') as $node)
$this->loadStatementTag($node);
foreach($document->xpath('//select') as $node)
$this->loadSelectTag($node);
foreach($document->xpath('//insert') as $node)
$this->loadInsertTag($node);
foreach($document->xpath('//update') as $node)
$this->loadUpdateTag($node);
foreach($document->xpath('//delete') as $node)
$this->loadDeleteTag($node);
foreach($document->xpath('//procedure') as $node)
$this->loadProcedureTag($node);
foreach($document->xpath('//cacheModel') as $node)
$this->loadCacheModel($node);
$this->registerCacheTriggers();
}
/**
* Load the result maps.
* @param SimpleXmlElement result map node.
*/
protected function loadResultMap($node)
{
$resultMap = $this->createResultMap($node);
//find extended result map.
if(strlen($extendMap = $resultMap->getExtends()) > 0)
{
if(!$this->_manager->getResultMaps()->contains($extendMap))
{
$extendNode=$this->getElementByIdValue($this->_document,'resultMap',$extendMap);
if($extendNode!==null)
$this->loadResultMap($extendNode);
}
if(!$this->_manager->getResultMaps()->contains($extendMap))
throw new TSqlMapConfigurationException(
'sqlmap_unable_to_find_parent_result_map', $node, $this->_configFile, $extendMap);
$superMap = $this->_manager->getResultMap($extendMap);
$resultMap->getColumns()->mergeWith($superMap->getColumns());
}
//add the result map
if(!$this->_manager->getResultMaps()->contains($resultMap->getID()))
$this->_manager->addResultMap($resultMap);
}
/**
* Create a new result map and its associated result properties,
* disciminiator and sub maps.
* @param SimpleXmlElement result map node
* @return TResultMap SqlMap result mapping.
*/
protected function createResultMap($node)
{
$resultMap = new TResultMap();
$this->setObjectPropFromNode($resultMap,$node);
//result nodes
foreach($node->result as $result)
{
$property = new TResultProperty($resultMap);
$this->setObjectPropFromNode($property,$result);
$resultMap->addResultProperty($property);
}
//create the discriminator
$discriminator = null;
if(isset($node->discriminator))
{
$discriminator = new TDiscriminator();
$this->setObjectPropFromNode($discriminator, $node->discriminator);
$discriminator->initMapping($resultMap);
}
foreach($node->xpath('subMap') as $subMapNode)
{
if($discriminator===null)
throw new TSqlMapConfigurationException(
'sqlmap_undefined_discriminator', $node, $this->_configFile,$subMapNode);
$subMap = new TSubMap;
$this->setObjectPropFromNode($subMap,$subMapNode);
$discriminator->addSubMap($subMap);
}
if($discriminator!==null)
$resultMap->setDiscriminator($discriminator);
return $resultMap;
}
/**
* Load parameter map from xml.
*
* @param SimpleXmlElement parameter map node.
*/
protected function loadParameterMap($node)
{
$parameterMap = $this->createParameterMap($node);
if(strlen($extendMap = $parameterMap->getExtends()) > 0)
{
if(!$this->_manager->getParameterMaps()->contains($extendMap))
{
$extendNode=$this->getElementByIdValue($this->_document,'parameterMap',$extendMap);
if($extendNode!==null)
$this->loadParameterMap($extendNode);
}
if(!$this->_manager->getParameterMaps()->contains($extendMap))
throw new TSqlMapConfigurationException(
'sqlmap_unable_to_find_parent_parameter_map', $node, $this->_configFile,$extendMap);
$superMap = $this->_manager->getParameterMap($extendMap);
$index = 0;
foreach($superMap->getPropertyNames() as $propertyName)
$parameterMap->insertProperty($index++,$superMap->getProperty($propertyName));
}
$this->_manager->addParameterMap($parameterMap);
}
/**
* Create a new parameter map from xml node.
* @param SimpleXmlElement parameter map node.
* @return TParameterMap new parameter mapping.
*/
protected function createParameterMap($node)
{
$parameterMap = new TParameterMap();
$this->setObjectPropFromNode($parameterMap,$node);
foreach($node->parameter as $parameter)
{
$property = new TParameterProperty();
$this->setObjectPropFromNode($property,$parameter);
$parameterMap->addProperty($property);
}
return $parameterMap;
}
/**
* Load statement mapping from xml configuration file.
* @param SimpleXmlElement statement node.
*/
protected function loadStatementTag($node)
{
$statement = new TSqlMapStatement();
$this->setObjectPropFromNode($statement,$node);
$this->processSqlStatement($statement, $node);
$mappedStatement = new TMappedStatement($this->_manager, $statement);
$this->_manager->addMappedStatement($mappedStatement);
}
/**
* Load extended SQL statements if application. Replaces global properties
* in the sql text. Extracts inline parameter maps.
* @param TSqlMapStatement mapped statement.
* @param SimpleXmlElement statement node.
*/
protected function processSqlStatement($statement, $node)
{
$commandText = (string)$node;
if(strlen($extend = $statement->getExtends()) > 0)
{
$superNode = $this->getElementByIdValue($this->_document,'*',$extend);
if($superNode!==null)
$commandText = (string)$superNode . $commandText;
else
throw new TSqlMapConfigurationException(
'sqlmap_unable_to_find_parent_sql', $extend, $this->_configFile,$node);
}
//$commandText = $this->_xmlConfig->replaceProperties($commandText);
$statement->initialize($this->_manager);
$this->applyInlineParameterMap($statement, $commandText, $node);
}
/**
* Extract inline parameter maps.
* @param TSqlMapStatement statement object.
* @param string sql text
* @param SimpleXmlElement statement node.
*/
protected function applyInlineParameterMap($statement, $sqlStatement, $node)
{
$scope['file'] = $this->_configFile;
$scope['node'] = $node;
$sqlStatement=preg_replace(self::ESCAPED_INLINE_SYMBOL_REGEXP,self::INLINE_PLACEHOLDER,$sqlStatement);
if($statement->parameterMap() === null)
{
// Build a Parametermap with the inline parameters.
// if they exist. Then delete inline infos from sqltext.
$parameterParser = new TInlineParameterMapParser;
$sqlText = $parameterParser->parse($sqlStatement, $scope);
if(count($sqlText['parameters']) > 0)
{
$map = new TParameterMap();
$map->setID($statement->getID().'-InLineParameterMap');
$statement->setInlineParameterMap($map);
foreach($sqlText['parameters'] as $property)
$map->addProperty($property);
}
$sqlStatement = $sqlText['sql'];
}
$sqlStatement=preg_replace('/'.self::INLINE_PLACEHOLDER.'/',self::INLINE_SYMBOL,$sqlStatement);
$this->prepareSql($statement, $sqlStatement, $node);
}
/**
* Prepare the sql text (may extend to dynamic sql).
* @param TSqlMapStatement mapped statement.
* @param string sql text.
* @param SimpleXmlElement statement node.
* @todo Extend to dynamic sql.
*/
protected function prepareSql($statement,$sqlStatement, $node)
{
$simpleDynamic = new TSimpleDynamicParser;
$sqlStatement=preg_replace(self::ESCAPED_SIMPLE_MARK_REGEXP,self::SIMPLE_PLACEHOLDER,$sqlStatement);
$dynamics = $simpleDynamic->parse($sqlStatement);
if(count($dynamics['parameters']) > 0)
{
$sql = new TSimpleDynamicSql($dynamics['parameters']);
$sqlStatement = $dynamics['sql'];
}
else
$sql = new TStaticSql();
$sqlStatement=preg_replace('/'.self::SIMPLE_PLACEHOLDER.'/',self::SIMPLE_MARK,$sqlStatement);
$sql->buildPreparedStatement($statement, $sqlStatement);
$statement->setSqlText($sql);
}
/**
* Load select statement from xml mapping.
* @param SimpleXmlElement select node.
*/
protected function loadSelectTag($node)
{
$select = new TSqlMapSelect;
$this->setObjectPropFromNode($select,$node);
$this->processSqlStatement($select,$node);
$mappedStatement = new TMappedStatement($this->_manager, $select);
if(strlen($select->getCacheModel()) > 0)
$mappedStatement = new TCachingStatement($mappedStatement);
$this->_manager->addMappedStatement($mappedStatement);
}
/**
* Load insert statement from xml mapping.
* @param SimpleXmlElement insert node.
*/
protected function loadInsertTag($node)
{
$insert = $this->createInsertStatement($node);
$this->processSqlStatement($insert, $node);
$mappedStatement = new TInsertMappedStatement($this->_manager, $insert);
$this->_manager->addMappedStatement($mappedStatement);
}
/**
* Create new insert statement from xml node.
* @param SimpleXmlElement insert node.
* @return TSqlMapInsert insert statement.
*/
protected function createInsertStatement($node)
{
$insert = new TSqlMapInsert;
$this->setObjectPropFromNode($insert,$node);
if(isset($node->selectKey))
$this->loadSelectKeyTag($insert,$node->selectKey);
return $insert;
}
/**
* Load the selectKey statement from xml mapping.
* @param SimpleXmlElement selectkey node
*/
protected function loadSelectKeyTag($insert, $node)
{
$selectKey = new TSqlMapSelectKey;
$this->setObjectPropFromNode($selectKey,$node);
$selectKey->setID($insert->getID());
$selectKey->setID($insert->getID().'.SelectKey');
$this->processSqlStatement($selectKey,$node);
$insert->setSelectKey($selectKey);
$mappedStatement = new TMappedStatement($this->_manager, $selectKey);
$this->_manager->addMappedStatement($mappedStatement);
}
/**
* Load update statement from xml mapping.
* @param SimpleXmlElement update node.
*/
protected function loadUpdateTag($node)
{
$update = new TSqlMapUpdate;
$this->setObjectPropFromNode($update,$node);
$this->processSqlStatement($update, $node);
$mappedStatement = new TUpdateMappedStatement($this->_manager, $update);
$this->_manager->addMappedStatement($mappedStatement);
}
/**
* Load delete statement from xml mapping.
* @param SimpleXmlElement delete node.
*/
protected function loadDeleteTag($node)
{
$delete = new TSqlMapDelete;
$this->setObjectPropFromNode($delete,$node);
$this->processSqlStatement($delete, $node);
$mappedStatement = new TDeleteMappedStatement($this->_manager, $delete);
$this->_manager->addMappedStatement($mappedStatement);
}
/**
* Load procedure statement from xml mapping.
* @todo Implement loading procedure
* @param SimpleXmlElement procedure node
*/
protected function loadProcedureTag($node)
{
//var_dump('todo: add load procedure');
}
/**
* Load cache models from xml mapping.
* @param SimpleXmlElement cache node.
*/
protected function loadCacheModel($node)
{
$cacheModel = new TSqlMapCacheModel;
$properties = array('id','implementation');
foreach($node->attributes() as $name=>$value)
{
if(in_array(strtolower($name), $properties))
$cacheModel->{'set'.$name}((string)$value);
}
$cache = Prado::createComponent($cacheModel->getImplementationClass(), $cacheModel);
$this->setObjectPropFromNode($cache,$node,$properties);
foreach($node->xpath('property') as $propertyNode)
{
$name = $propertyNode->attributes()->name;
if($name===null || $name==='') continue;
$value = $propertyNode->attributes()->value;
if($value===null || $value==='') continue;
if( !TPropertyAccess::has($cache, $name) ) continue;
TPropertyAccess::set($cache, $name, $value);
}
$this->loadFlushInterval($cacheModel,$node);
$cacheModel->initialize($cache);
$this->_manager->addCacheModel($cacheModel);
foreach($node->xpath('flushOnExecute') as $flush)
$this->loadFlushOnCache($cacheModel,$node,$flush);
}
/**
* Load the flush interval
* @param TSqlMapCacheModel cache model
* @param SimpleXmlElement cache node
*/
protected function loadFlushInterval($cacheModel, $node)
{
$flushInterval = $node->xpath('flushInterval');
if($flushInterval === null || count($flushInterval) === 0) return;
$duration = 0;
foreach($flushInterval[0]->attributes() as $name=>$value)
{
switch(strToLower($name))
{
case 'seconds':
$duration += (integer)$value;
break;
case 'minutes':
$duration += 60 * (integer)$value;
break;
case 'hours':
$duration += 3600 * (integer)$value;
break;
case 'days':
$duration += 86400 * (integer)$value;
break;
case 'duration':
$duration = (integer)$value;
break 2; // switch, foreach
}
}
$cacheModel->setFlushInterval($duration);
}
/**
* Load the flush on cache properties.
* @param TSqlMapCacheModel cache model
* @param SimpleXmlElement parent node.
* @param SimpleXmlElement flush node.
*/
protected function loadFlushOnCache($cacheModel,$parent,$node)
{
$id = $cacheModel->getID();
if(!isset($this->_FlushOnExecuteStatements[$id]))
$this->_FlushOnExecuteStatements[$id] = array();
foreach($node->attributes() as $name=>$value)
{
if(strtolower($name)==='statement')
$this->_FlushOnExecuteStatements[$id][] = (string)$value;
}
}
/**
* Attach CacheModel to statement and register trigger statements for cache models
*/
protected function registerCacheTriggers()
{
foreach($this->_FlushOnExecuteStatements as $cacheID => $statementIDs)
{
$cacheModel = $this->_manager->getCacheModel($cacheID);
foreach($statementIDs as $statementID)
{
$statement = $this->_manager->getMappedStatement($statementID);
$cacheModel->registerTriggerStatement($statement);
}
}
}
}
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