/**
* The main method that creates a new provisioner instance.
*
* @param \AppserverIo\Psr\Application\ApplicationInterface $application The application instance to register the provisioner with
* @param \AppserverIo\Appserver\Core\Api\Node\ProvisionerNodeInterface $provisionerConfiguration The provisioner configuration
*
* @return void
*/
public static function visit(ApplicationInterface $application, ProvisionerNodeInterface $provisionerConfiguration)
{
// load the initial context
$initialContext = $application->getInitialContext();
// initialize the bean manager
$provisioner = new StandardProvisioner($initialContext, $provisionerConfiguration);
// attach the instance
$application->addProvisioner($provisioner, $provisionerConfiguration);
}
/**
* Creates a new entity manager instance based on the passed configuration.
*
* @param \AppserverIo\Psr\Application\ApplicationInterface $application The application instance to create the entity manager for
* @param \AppserverIo\Appserver\Core\Api\Node\PersistenceUnitNodeInterface $persistenceUnitNode The datasource configuration
*
* @return object The entity manager instance
*/
public static function factory(ApplicationInterface $application, PersistenceUnitNodeInterface $persistenceUnitNode)
{
// register additional annotation libraries
foreach ($persistenceUnitNode->getAnnotationRegistries() as $annotationRegistry) {
AnnotationRegistry::registerAutoloadNamespace($annotationRegistry->getNamespace(), $annotationRegistry->getDirectoriesAsArray($application->getWebappPath()));
}
// globally ignore configured annotations to ignore
foreach ($persistenceUnitNode->getIgnoredAnnotations() as $ignoredAnnotation) {
AnnotationReader::addGlobalIgnoredName($ignoredAnnotation->getNodeValue()->__toString());
}
// load the metadata configuration
$metadataConfiguration = $persistenceUnitNode->getMetadataConfiguration();
// prepare the setup properties
$absolutePaths = $metadataConfiguration->getDirectoriesAsArray($application->getWebappPath());
$proxyDir = $metadataConfiguration->getParam(MetadataConfigurationNode::PARAM_PROXY_DIR);
$isDevMode = $metadataConfiguration->getParam(MetadataConfigurationNode::PARAM_IS_DEV_MODE);
$useSimpleAnnotationReader = $metadataConfiguration->getParam(MetadataConfigurationNode::PARAM_USE_SIMPLE_ANNOTATION_READER);
// load the factory method from the available mappings
$factoryMethod = EntityManagerFactory::$metadataMapping[$metadataConfiguration->getType()];
// create the database configuration and initialize the entity manager
$configuration = Setup::$factoryMethod($absolutePaths, $isDevMode, $proxyDir, null, $useSimpleAnnotationReader);
// load the datasource node
$datasourceNode = null;
foreach ($application->getInitialContext()->getSystemConfiguration()->getDatasources() as $datasourceNode) {
if ($datasourceNode->getName() === $persistenceUnitNode->getDatasource()->getName()) {
break;
}
}
// throw a exception if the configured datasource is NOT available
if ($datasourceNode == null) {
throw new \Exception(sprintf('Can\'t find a datasource node for persistence unit %s', $persistenceUnitNode->getName()));
}
// load the database node
$databaseNode = $datasourceNode->getDatabase();
// throw an exception if the configured database is NOT available
if ($databaseNode == null) {
throw new \Exception(sprintf('Can\'t find database node for persistence unit %s', $persistenceUnitNode->getName()));
}
// load the driver node
$driverNode = $databaseNode->getDriver();
// throw an exception if the configured driver is NOT available
if ($driverNode == null) {
throw new \Exception(sprintf('Can\'t find driver node for persistence unit %s', $persistenceUnitNode->getName()));
}
// initialize and return a entity manager decorator instance
return new DoctrineEntityManagerDecorator(EntityManager::create(ConnectionUtil::get($application)->fromDatabaseNode($databaseNode), $configuration));
}
/**
* The main method that creates new instances in a separate context.
*
* @param \AppserverIo\Psr\Application\ApplicationInterface $application The application instance to register the class loader with
* @param \AppserverIo\Appserver\Core\Api\Node\ManagerNodeInterface $managerConfiguration The manager configuration
*
* @return void
*/
public static function visit(ApplicationInterface $application, ManagerNodeInterface $managerConfiguration)
{
// load the registered loggers
$loggers = $application->getInitialContext()->getLoggers();
// initialize the bean locator
$beanLocator = new BeanLocator();
// create the initial context instance
$initialContext = new NamingContext();
$initialContext->injectApplication($application);
// initialize the stackable for the data, the stateful + singleton session beans and the naming directory
$data = new StackableStorage();
$instances = new GenericStackable();
$statefulSessionBeans = new StackableStorage();
$singletonSessionBeans = new StackableStorage();
// initialize the default settings for the stateful session beans
$statefulSessionBeanSettings = new DefaultStatefulSessionBeanSettings();
$statefulSessionBeanSettings->mergeWithParams($managerConfiguration->getParamsAsArray());
// we need a factory instance for the stateful session bean instances
$statefulSessionBeanMapFactory = new StatefulSessionBeanMapFactory($statefulSessionBeans);
$statefulSessionBeanMapFactory->injectLoggers($loggers);
$statefulSessionBeanMapFactory->start();
// create an instance of the object factory
$objectFactory = new GenericObjectFactory();
$objectFactory->injectInstances($instances);
$objectFactory->injectApplication($application);
$objectFactory->start();
// add a garbage collector and timer service workers for each application
$garbageCollector = new StandardGarbageCollector();
$garbageCollector->injectApplication($application);
$garbageCollector->start();
// initialize the bean manager
$beanManager = new BeanManager();
$beanManager->injectData($data);
$beanManager->injectApplication($application);
$beanManager->injectResourceLocator($beanLocator);
$beanManager->injectObjectFactory($objectFactory);
$beanManager->injectInitialContext($initialContext);
$beanManager->injectGarbageCollector($garbageCollector);
$beanManager->injectStatefulSessionBeans($statefulSessionBeans);
$beanManager->injectSingletonSessionBeans($singletonSessionBeans);
$beanManager->injectDirectories($managerConfiguration->getDirectories());
$beanManager->injectStatefulSessionBeanSettings($statefulSessionBeanSettings);
$beanManager->injectStatefulSessionBeanMapFactory($statefulSessionBeanMapFactory);
// attach the instance
$application->addManager($beanManager, $managerConfiguration);
}
/**
* The main method that creates new instances in a separate context.
*
* @param \AppserverIo\Psr\Application\ApplicationInterface $application The application instance to register the class loader with
* @param \AppserverIo\Appserver\Core\Api\Node\ManagerNodeInterface $managerConfiguration The manager configuration
*
* @return void
*/
public static function visit(ApplicationInterface $application, ManagerNodeInterface $managerConfiguration)
{
// load the registered loggers
$loggers = $application->getInitialContext()->getLoggers();
// initialize the session pool
$sessions = new StackableStorage();
$checksums = new StackableStorage();
$sessionPool = new StackableStorage();
$sessionSettings = new DefaultSessionSettings();
$sessionMarshaller = new StandardSessionMarshaller();
// we need a session factory instance
$sessionFactory = new SessionFactory($sessionPool);
$sessionFactory->injectLoggers($loggers);
$sessionFactory->start();
// we need a persistence manager and garbage collector
$persistenceManager = new FilesystemPersistenceManager();
$persistenceManager->injectLoggers($loggers);
$persistenceManager->injectSessions($sessions);
$persistenceManager->injectChecksums($checksums);
$persistenceManager->injectSessionSettings($sessionSettings);
$persistenceManager->injectSessionMarshaller($sessionMarshaller);
$persistenceManager->injectSessionFactory($sessionFactory);
$persistenceManager->injectUser($application->getUser());
$persistenceManager->injectGroup($application->getGroup());
$persistenceManager->injectUmask($application->getUmask());
$persistenceManager->start();
// we need a garbage collector
$garbageCollector = new StandardGarbageCollector();
$garbageCollector->injectLoggers($loggers);
$garbageCollector->injectSessions($sessions);
$garbageCollector->injectSessionFactory($sessionFactory);
$garbageCollector->injectSessionSettings($sessionSettings);
$garbageCollector->start();
// and finally we need the session manager instance
$sessionManager = new StandardSessionManager();
$sessionManager->injectSessions($sessions);
$sessionManager->injectSessionFactory($sessionFactory);
$sessionManager->injectSessionSettings($sessionSettings);
$sessionManager->injectGarbageCollector($garbageCollector);
$sessionManager->injectPersistenceManager($persistenceManager);
// attach the instance
$application->addManager($sessionManager, $managerConfiguration);
}
/**
* Registers aspects written within source files which we might encounter
*
* @param \AppserverIo\Psr\Application\ApplicationInterface $application The application instance
*
* @return void
*/
protected function registerAspectClasses(ApplicationInterface $application)
{
// check directory for PHP files with classes we want to register
/** @var \AppserverIo\Appserver\Core\Api\DeploymentService $service */
$service = $application->newService('AppserverIo\\Appserver\\Core\\Api\\DeploymentService');
// iterate over the directories and try to find aspects
$aspectDirectories = $service->globDir($this->getWebappPath() . DIRECTORY_SEPARATOR . '{WEB-INF,META-INF,common}' . DIRECTORY_SEPARATOR . 'classes', GLOB_BRACE);
foreach ($aspectDirectories as $aspectDirectory) {
// iterate all PHP files found in the directory
foreach ($service->globDir($aspectDirectory . DIRECTORY_SEPARATOR . '*.php') as $phpFile) {
try {
// cut off the META-INF directory and replace OS specific directory separators
$relativePathToPhpFile = str_replace(DIRECTORY_SEPARATOR, '\\', str_replace($aspectDirectory, '', $phpFile));
// now cut off the .php extension
$className = substr($relativePathToPhpFile, 0, -4);
// we need a reflection class to read the annotations
$reflectionClass = $this->getReflectionClass($className);
// if we found an aspect we have to register it using our aspect register class
if ($reflectionClass->hasAnnotation(AspectAnnotation::ANNOTATION)) {
$parser = new AspectParser($phpFile, new Config());
$this->aspectRegister->register($parser->getDefinition($reflectionClass->getShortName(), false));
}
// if class can not be reflected continue with next class
} catch (\Exception $e) {
// log an error message
$application->getInitialContext()->getSystemLogger()->error($e->__toString());
// proceed with the next class
continue;
}
}
}
}
/**
* Creates a new entity manager instance based on the passed configuration.
*
* @param \AppserverIo\Psr\Application\ApplicationInterface $application The application instance to create the entity manager for
* @param \AppserverIo\Appserver\Core\Api\Node\PersistenceUnitNodeInterface $persistenceUnitNode The datasource configuration
*
* @return object The entity manager instance
*/
public static function factory(ApplicationInterface $application, PersistenceUnitNodeInterface $persistenceUnitNode)
{
// register additional annotation libraries
foreach ($persistenceUnitNode->getAnnotationRegistries() as $annotationRegistry) {
AnnotationRegistry::registerAutoloadNamespace($annotationRegistry->getNamespace(), $annotationRegistry->getDirectoriesAsArray($application->getWebappPath()));
}
// load the metadata configuration
$metadataConfiguration = $persistenceUnitNode->getMetadataConfiguration();
// prepare the setup properties
$absolutePaths = $metadataConfiguration->getDirectoriesAsArray($application->getWebappPath());
$proxyDir = $metadataConfiguration->getParam(MetadataConfigurationNode::PARAM_PROXY_DIR);
$isDevMode = $metadataConfiguration->getParam(MetadataConfigurationNode::PARAM_IS_DEV_MODE);
$useSimpleAnnotationReader = $metadataConfiguration->getParam(MetadataConfigurationNode::PARAM_USE_SIMPLE_ANNOTATION_READER);
// load the factory method from the available mappings
$factoryMethod = EntityManagerFactory::$metadataMapping[$metadataConfiguration->getType()];
// create the database configuration and initialize the entity manager
$configuration = Setup::$factoryMethod($absolutePaths, $isDevMode, $proxyDir, null, $useSimpleAnnotationReader);
// load the datasource node
$datasourceNode = null;
foreach ($application->getInitialContext()->getSystemConfiguration()->getDatasources() as $datasourceNode) {
if ($datasourceNode->getName() === $persistenceUnitNode->getDatasource()->getName()) {
break;
}
}
// throw a exception if the configured datasource is NOT available
if ($datasourceNode == null) {
throw new \Exception(sprintf('Can\'t find a datasource node for persistence unit %s', $persistenceUnitNode->getName()));
}
// load the database node
$databaseNode = $datasourceNode->getDatabase();
// throw an exception if the configured database is NOT available
if ($databaseNode == null) {
throw new \Exception(sprintf('Can\'t find database node for persistence unit %s', $persistenceUnitNode->getName()));
}
// load the driver node
$driverNode = $databaseNode->getDriver();
// throw an exception if the configured driver is NOT available
if ($driverNode == null) {
throw new \Exception(sprintf('Can\'t find driver node for persistence unit %s', $persistenceUnitNode->getName()));
}
// initialize the connection parameters with the mandatory driver
$connectionParameters = array('driver' => $databaseNode->getDriver()->getNodeValue()->__toString());
// initialize the path/memory to the database when we use sqlite for example
if ($pathNode = $databaseNode->getPath()) {
$connectionParameters['path'] = $application->getWebappPath() . DIRECTORY_SEPARATOR . $pathNode->getNodeValue()->__toString();
} elseif ($memoryNode = $databaseNode->getMemory()) {
$connectionParameters['memory'] = Boolean::valueOf(new String($memoryNode->getNodeValue()->__toString()))->booleanValue();
} else {
// do nothing here, because there is NO option
}
// add username, if specified
if ($userNode = $databaseNode->getUser()) {
$connectionParameters['user'] = $userNode->getNodeValue()->__toString();
}
// add password, if specified
if ($passwordNode = $databaseNode->getPassword()) {
$connectionParameters['password'] = $passwordNode->getNodeValue()->__toString();
}
// add database name if using another PDO driver than sqlite
if ($databaseNameNode = $databaseNode->getDatabaseName()) {
$connectionParameters['dbname'] = $databaseNameNode->getNodeValue()->__toString();
}
// add database host if using another PDO driver than sqlite
if ($databaseHostNode = $databaseNode->getDatabaseHost()) {
$connectionParameters['host'] = $databaseHostNode->getNodeValue()->__toString();
}
// add charset, if specified
if ($charsetNode = $databaseNode->getCharset()) {
$connectionParameters['charset'] = $charsetNode->getNodeValue()->__toString();
}
// add driver options, if specified
if ($driverOptionsNode = $databaseNode->getDriverOptions()) {
// explode the raw options separated with a semicolon
$rawOptions = explode(';', $driverOptionsNode->getNodeValue()->__toString());
// prepare the array with the driver options key/value pair (separated with a =)
$options = array();
foreach ($rawOptions as $rawOption) {
list($key, $value) = explode('=', $rawOption);
$options[$key] = $value;
}
// set the driver options
$connectionParameters['driverOptions'] = $options;
}
// add driver options, if specified
if ($unixSocketNode = $databaseNode->getUnixSocket()) {
$connectionParameters['unix_socket'] = $unixSocketNode->getNodeValue()->__toString();
}
// initialize and return a entity manager decorator instance
return new DoctrineEntityManagerDecorator(EntityManager::create($connectionParameters, $configuration));
}
/**
* Deploys the message queues.
*
* @param \AppserverIo\Psr\Application\ApplicationInterface|\AppserverIo\Psr\Naming\NamingDirectoryInterface $application The application instance
*
* @return void
*/
protected function registerMessageQueues(ApplicationInterface $application)
{
// build up META-INF directory var
$metaInfDir = $this->getWebappPath() . DIRECTORY_SEPARATOR . 'META-INF';
// check if we've found a valid directory
if (is_dir($metaInfDir) === false) {
return;
}
// check META-INF + subdirectories for XML files with MQ definitions
/** @var \AppserverIo\Appserver\Core\Api\DeploymentService $service */
$service = $application->newService('AppserverIo\\Appserver\\Core\\Api\\DeploymentService');
$xmlFiles = $service->globDir($metaInfDir . DIRECTORY_SEPARATOR . 'message-queues.xml');
// initialize the array for the creating the subdirectories
$this->directories = new GenericStackable();
$this->directories[] = $application->getNamingDirectory();
// gather all the deployed web applications
foreach ($xmlFiles as $file) {
try {
// try to initialize a SimpleXMLElement
$sxe = new \SimpleXMLElement($file, null, true);
$sxe->registerXPathNamespace('a', 'http://www.appserver.io/appserver');
// lookup the MessageQueue's defined in the passed XML node
if (($nodes = $sxe->xpath('/a:message-queues/a:message-queue')) === false) {
continue;
}
// validate the file here, if it is not valid we can skip further steps
try {
/** @var \AppserverIo\Appserver\Core\Api\ConfigurationService $configurationService */
$configurationService = $application->newService('AppserverIo\\Appserver\\Core\\Api\\ConfigurationService');
$configurationService->validateFile($file, null, true);
} catch (InvalidConfigurationException $e) {
/** @var \Psr\Log\LoggerInterface $systemLogger */
$systemLogger = $this->getApplication()->getInitialContext()->getSystemLogger();
$systemLogger->error($e->getMessage());
$systemLogger->critical(sprintf('Message queue configuration file %s is invalid, needed queues might be missing.', $file));
return;
}
// iterate over all found queues and initialize them
foreach ($nodes as $node) {
$this->registeMessageQueue($node);
}
// if class can not be reflected continue with next class
} catch (\Exception $e) {
// log an error message
$application->getInitialContext()->getSystemLogger()->error($e->__toString());
// proceed with the next queue
continue;
}
}
}
/**
* Visitor method that registers the class loaders in the application.
*
* @param \AppserverIo\Psr\Application\ApplicationInterface $application The application instance to register the class loader with
* @param \AppserverIo\Appserver\Core\Api\Node\ClassLoaderNodeInterface $configuration The class loader configuration
*
* @return void
*/
public static function visit(ApplicationInterface $application, ClassLoaderNodeInterface $configuration)
{
// load the web application path we want to register the class loader for
$webappPath = $application->getWebappPath();
// initialize the class path and the enforcement directories
$classPath = array();
$enforcementDirs = array();
// add the possible class path if folder is available
foreach ($configuration->getDirectories() as $directory) {
if (is_dir($webappPath . $directory->getNodeValue())) {
array_push($classPath, $webappPath . $directory->getNodeValue());
if ($directory->isEnforced()) {
array_push($enforcementDirs, $webappPath . $directory->getNodeValue());
}
}
}
// initialize the arrays of different omit possibilities
$omittedEnforcement = array();
$omittedAutoLoading = array();
// iterate over all namespaces and check if they are omitted in one or the other way
foreach ($configuration->getNamespaces() as $namespace) {
// is the enforcement omitted for this namespace?
if ($namespace->omitEnforcement()) {
$omittedEnforcement[] = $namespace->getNodeValue()->__toString();
}
// is the autoloading omitted for this namespace?
if ($namespace->omitAutoLoading()) {
$omittedAutoLoading[] = $namespace->getNodeValue()->__toString();
}
}
// initialize the class loader configuration
$config = new Config();
// set the environment mode we want to use
$config->setValue('environment', $configuration->getEnvironment());
// set the cache directory
$config->setValue('cache/dir', $application->getCacheDir());
// set the default autoloader values
$config->setValue('autoloader/dirs', $classPath);
// collect the omitted namespaces (if any)
$config->setValue('autoloader/omit', $omittedAutoLoading);
$config->setValue('enforcement/omit', $omittedEnforcement);
// set the default enforcement configuration values
$config->setValue('enforcement/dirs', $enforcementDirs);
$config->setValue('enforcement/enforce-default-type-safety', $configuration->getTypeSafety());
$config->setValue('enforcement/processing', $configuration->getProcessing());
$config->setValue('enforcement/level', $configuration->getEnforcementLevel());
$config->setValue('enforcement/logger', $application->getInitialContext()->getSystemLogger());
// create a autoloader instance and initialize it
$classLoader = new DgClassLoader($config);
$classLoader->init(new StackableStructureMap($config->getValue('autoloader/dirs'), $config->getValue('enforcement/dirs'), $config), new AspectRegister());
// add the autoloader to the manager
$application->addClassLoader($classLoader, $configuration);
}
/**
* Creates a new entity manager instance based on the passed configuration.
*
* @param \AppserverIo\Psr\Application\ApplicationInterface $application The application instance to create the entity manager for
* @param \AppserverIo\Appserver\Core\Api\Node\PersistenceUnitNodeInterface $persistenceUnitNode The datasource configuration
*
* @return object The entity manager instance
*/
public static function factory(ApplicationInterface $application, PersistenceUnitNodeInterface $persistenceUnitNode)
{
// register additional annotation libraries
foreach ($persistenceUnitNode->getAnnotationRegistries() as $annotationRegistry) {
// register the annotations specified by the annotation registery
$annotationRegistryType = $annotationRegistry->getType();
$registry = new $annotationRegistryType();
$registry->register($annotationRegistry);
}
// query whether or not an initialize EM configuration is available
if ($application->hasAttribute($persistenceUnitNode->getName()) === false) {
// globally ignore configured annotations to ignore
foreach ($persistenceUnitNode->getIgnoredAnnotations() as $ignoredAnnotation) {
AnnotationReader::addGlobalIgnoredName($ignoredAnnotation->getNodeValue()->__toString());
}
// load the metadata configuration
$metadataConfiguration = $persistenceUnitNode->getMetadataConfiguration();
// prepare the setup properties
$absolutePaths = $metadataConfiguration->getDirectoriesAsArray();
$proxyDir = $metadataConfiguration->getParam(MetadataConfigurationNode::PARAM_PROXY_DIR);
$proxyNamespace = $metadataConfiguration->getParam(MetadataConfigurationNode::PARAM_PROXY_NAMESPACE);
$autoGenerateProxyClasses = $metadataConfiguration->getParam(MetadataConfigurationNode::PARAM_AUTO_GENERATE_PROXY_CLASSES);
$useSimpleAnnotationReader = $metadataConfiguration->getParam(MetadataConfigurationNode::PARAM_USE_SIMPLE_ANNOTATION_READER);
// load the metadata driver factory class name
$metadataDriverFactory = $metadataConfiguration->getFactory();
// initialize the params to be passed to the factory
$metadataDriverParams = array(DriverKeys::USE_SIMPLE_ANNOTATION_READER => $useSimpleAnnotationReader);
// create the database configuration and initialize the entity manager
/** @var \Doctrine\DBAL\Configuration $configuration */
$configuration = new Configuration();
$configuration->setMetadataDriverImpl($metadataDriverFactory::get($configuration, $absolutePaths, $metadataDriverParams));
// initialize the metadata cache configuration
$metadataCacheConfiguration = $persistenceUnitNode->getMetadataCacheConfiguration();
$configuration->setMetadataCacheImpl(EntityManagerFactory::getCacheImpl($persistenceUnitNode, $metadataCacheConfiguration));
// initialize the query cache configuration
$queryCacheConfiguration = $persistenceUnitNode->getQueryCacheConfiguration();
$configuration->setQueryCacheImpl(EntityManagerFactory::getCacheImpl($persistenceUnitNode, $queryCacheConfiguration));
// initialize the result cache configuration
$resultCacheConfiguration = $persistenceUnitNode->getResultCacheConfiguration();
$configuration->setResultCacheImpl(EntityManagerFactory::getCacheImpl($persistenceUnitNode, $resultCacheConfiguration));
// proxy configuration
$configuration->setProxyDir($proxyDir = $proxyDir ?: sys_get_temp_dir());
$configuration->setProxyNamespace($proxyNamespace = $proxyNamespace ?: 'Doctrine\\Proxy');
$configuration->setAutoGenerateProxyClasses($autoGenerateProxyClasses = $autoGenerateProxyClasses ?: true);
// load the datasource node
$datasourceNode = null;
foreach ($application->getInitialContext()->getSystemConfiguration()->getDatasources() as $datasourceNode) {
if ($datasourceNode->getName() === $persistenceUnitNode->getDatasource()->getName()) {
break;
}
}
// throw a exception if the configured datasource is NOT available
if ($datasourceNode == null) {
throw new \Exception(sprintf('Can\'t find a datasource node for persistence unit %s', $persistenceUnitNode->getName()));
}
// load the database node
$databaseNode = $datasourceNode->getDatabase();
// throw an exception if the configured database is NOT available
if ($databaseNode == null) {
throw new \Exception(sprintf('Can\'t find database node for persistence unit %s', $persistenceUnitNode->getName()));
}
// load the driver node
$driverNode = $databaseNode->getDriver();
// throw an exception if the configured driver is NOT available
if ($driverNode == null) {
throw new \Exception(sprintf('Can\'t find driver node for persistence unit %s', $persistenceUnitNode->getName()));
}
// load the connection parameters
$connectionParameters = ConnectionUtil::get($application)->fromDatabaseNode($databaseNode);
// append the initialized EM configuration to the application
$application->setAttribute($persistenceUnitNode->getName(), array($connectionParameters, $configuration));
}
// load the initialized EM configuration from the application
list($connectionParameters, $configuration) = $application->getAttribute($persistenceUnitNode->getName());
// initialize and return a entity manager decorator instance
return new DoctrineEntityManagerDecorator(EntityManager::create($connectionParameters, $configuration));
}
