def __init__(self, name, **keys):
shape = keys.pop('shape', None)
dtype = keys.pop('dtype', None)
DataNode.__init__(self, 'lima', name, **keys)
if keys.get('create', False):
self.info['shape'] = shape
self.info['dtype'] = dtype
cnx = self.db_connection
self.data = QueueObjSetting('%s_data' % self.db_name, connection=cnx)
self._merge_store = self.MergeB4Store(self)
