/**
* Query and return a blob column
* @param ObjectModel\DataObject $do
* @param Property\AbstractProperty $property
* @throws Exception
* @return binary
*/
public function loadBlob(ObjectModel\DataObject $do, Property\AbstractProperty $property)
{
// get table to use
$table = $this->_getTableFromUri($do->getUri());
if (!$table) {
throw new Exception('MISSING_DBTABLE_PARAM');
}
$column = $this->_mapper ? $this->_mapper->propertyToDatastoreName($do->getClass(), $property->getId()) : $property->getId();
// primary key is either part of the mapper configuration or 'id'
$pkey = $this->_mapper ? $this->_mapper->getPrimaryKey($do->getUri()->getClass()) : Backend::DEFAULT_PKEY;
$this->_connect();
// get data from backend
// @todo Handle complex pkeys (via mapper definition)
$select = $this->_ressource->select()->from($table, $column)->where("{$pkey} = ?", $do->getUri()->getIdentifier())->limit(1);
return $this->_ressource->fetchOne($select);
}
/**
* Add a dynamic property to an already declared data object
* @param AbstractProperty $property
* @return t41\ObjectModel\DataObject
*/
public function addProperty(AbstractProperty $property)
{
$property->setParent($this);
$this->_data[$property->getId()] = $property;
$this->_dna['custom'] = true;
return $this;
}
