From 18ea316c553f7ccfc18b73f0c987de007f11b275 Mon Sep 17 00:00:00 2001 From: wei <> Date: Mon, 4 Dec 2006 00:02:23 +0000 Subject: Fixed #469 --- .../Configuration/TSqlMapXmlConfiguration.php | 720 +++++++++++++++++++++ 1 file changed, 720 insertions(+) create mode 100644 framework/Data/SqlMap/Configuration/TSqlMapXmlConfiguration.php (limited to 'framework/Data/SqlMap/Configuration/TSqlMapXmlConfiguration.php') diff --git a/framework/Data/SqlMap/Configuration/TSqlMapXmlConfiguration.php b/framework/Data/SqlMap/Configuration/TSqlMapXmlConfiguration.php new file mode 100644 index 00000000..eccf4f6e --- /dev/null +++ b/framework/Data/SqlMap/Configuration/TSqlMapXmlConfiguration.php @@ -0,0 +1,720 @@ + + * @link http://www.pradosoft.com/ + * @copyright Copyright © 2005-2007 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 + * @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.'/'.$resource); + if(!is_string($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) + { + if(!is_file($filename)) + throw new TSqlMapConfigurationException( + 'sqlmap_unable_to_find_config', $filename); + return simplexml_load_file($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 + * @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); + + 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); + + 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) + { + $mapping = new TSqlMapXmlMappingConfiguration($this); + $filename = $this->getAbsoluteFilePath($this->_configFile, (string)$node['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, $entry->getID()); + } + } + if(!is_null($entry->getDiscriminator())) + $entry->getDiscriminator()->initialize($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 + * @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(); + + /** + * @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); + $this->_document=$document; + + 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 $subMapNode) + { + if(is_null($discriminator)) + throw new TSqlMapConfigurationException( + 'sqlmap_undefined_discriminator', $node, $this->_configFile,$subMapNode); + $subMap = new TSubMap; + $this->setObjectPropFromNode($subMap,$subMapNode); + $discriminator->addSubMap($subMap); + } + + if(!is_null($discriminator)) + $resultMap->setDiscriminator($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'] = $node; + + if($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']; + } + + $this->prepareSql($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; + $dynamics = $simpleDynamic->parse($sqlStatement); + if(count($dynamics['parameters']) > 0) + { + $sql = new TSimpleDynamicSql($dynamics['parameters']); + $sqlStatement = $dynamics['sql']; + } + else + $sql = new TStaticSql(); + $sql->buildPreparedStatement($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()); + $this->setObjectPropFromNode($cache,$node,$properties); + $cacheModel->initialize($cache); + $this->_manager->addCacheModel($cacheModel); + foreach($node->xpath('flushOnExecute') as $flush) + $this->loadFlushOnCache($cacheModel,$node,$flush); + } + + /** + * 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); + } + } + } +} + +?> \ No newline at end of file -- cgit v1.2.3