def filter(cls, **query_args):
"""Finds data entries from storage as list of Model instances
:param: query_args - a dict holding query conditions like {'id': 123}
:returns: list with Model instances or empty list if no match
"""
retval = []
storage = StorageForge()
model_name = cls.get_model_name()
values_list = storage.filter(model_name, **query_args)
for values in values_list:
retval.append(cls(**values))
return retval
