diff options
Diffstat (limited to 'framework/Data/SqlMap/Configuration/TSqlMapXmlMappingConfiguration.php')
| -rw-r--r-- | framework/Data/SqlMap/Configuration/TSqlMapXmlMappingConfiguration.php | 517 |
1 files changed, 517 insertions, 0 deletions
diff --git a/framework/Data/SqlMap/Configuration/TSqlMapXmlMappingConfiguration.php b/framework/Data/SqlMap/Configuration/TSqlMapXmlMappingConfiguration.php new file mode 100644 index 00000000..d677f6cd --- /dev/null +++ b/framework/Data/SqlMap/Configuration/TSqlMapXmlMappingConfiguration.php @@ -0,0 +1,517 @@ +<?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 System.Data.SqlMap.Configuration + */ + +/** + * Loads the statements, result maps, parameters maps from xml configuration. + * + * description + * + * @author Wei Zhuo <weizho[at]gmail[dot]com> + * @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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