public function __get($name)
{
switch ($name) {
case 'poDef':
if (is_null($this->_poDef)) {
$pos = ezcPersistentSessionInstance::get();
$this->_poDef = $pos->definitionManager->fetchDefinition($this->poClass);
}
return $this->_poDef;
case 'schema':
if (is_null($this->_schema)) {
$this->_schema = ezcDbSchema::createFromDb(ezcDbInstance::get());
}
return $this->_schema;
}
return parent::__get($name);
}
