/**
* Start up the storage manager and bind it to a given MidgardObject.
* The passed object must be a MidCOM DBA object, otherwise the system bails with
* midcom_error. In this case, no automatic conversion is done, as this would
* destroy the reference.
*
* @param midcom_helper_datamanager2_schema $schema The data schema to use for processing.
* @param MidCOMDBAObject $object A reference to the DBA object to user for Data I/O.
*/
public function __construct($schema, $object)
{
parent::__construct($schema);
if (!midcom::get('dbclassloader')->is_mgdschema_object($object)) {
debug_print_r('Object passed:', $object);
throw new midcom_error('The midgard storage backend requires a MidCOM DBA object.');
}
$this->object = $object;
}
/**
* This function will save the current state of all types to disk. A full
* validation cycle is done beforehand, if any validation fails, the function
* aborts and sets the $validation_errors member variable accordingly.
*
* @return boolean Indicating success
*/
function save()
{
if (!$this->validate()) {
debug_add(count($this->validation_errors) . ' fields have failed validation, cannot save.', MIDCOM_LOG_WARN);
debug_print_r('Validation errors:', $this->validation_errors);
return false;
}
return $this->storage->store($this->types);
}
/**
* TODO
*
* @param midcom_helper_datamanager2_schema &$schema The data schema to use for processing.
* @param Array $defaults The defaults to use as "artificial" storage. This can be omitted
* safely.
*/
public function __construct(&$schema, $defaults = array())
{
parent::__construct($schema);
$this->_defaults = $defaults;
}
/**
* Checks whether the current user has the given privilege on the storage backend.
*
* The storage backend is responsible for the actual execution of this operation,
* so this is merely a shortcut.
*
* @param string $privilege The privilege to check against.
* @return boolean true if the user has the permission, false otherwise.
*/
function can_do($privilege)
{
return $this->storage->can_do($privilege);
}