def enqueue(self, mo_id, data):
"""
:param data:
:type data: DataCategory
:return:
"""
mo = self.mos.get(mo_id)
if not mo:
mo = MovableObject(mo_id)
self.mos[mo_id] = mo
if mo.update(data) == YES:
return data
return None
def set(self, mo_id, data):
"""
1.加入新的车辆标识到内存数据库用于之后的车牌名称检索
:param mo_id: 车辆唯一标识
:type mo_id: basestring
:param data:
:type data: DataEnvelope or DataCategory
"""
mo = self.mos.get(mo_id)
if not mo:
mo = MovableObject(mo_id)
self.mos[mo_id] = mo
self.memconn.execute("insert into movable_object values(?)",
(mo_id, ))
if mo.update(data):
self.diffs[mo.getId()] = mo #数据更新了
return mo
return None