def new(self, data, isSyncNow=False):
"""创建一个新的对象
"""
incrkey = self._incrkey
if incrkey:
incrvalue = self.incr('_incrvalue', 1)
data[incrkey] = incrvalue - 1
pk = data.get(self._pk)
if pk is None:
raise PKValueError(data)
mm = MMode(self._name + ':%s' % pk, self._pk, data=data)
setattr(mm, incrkey, pk)
else:
pk = data.get(self._pk)
mm = MMode(self._name + ':%s' % pk, self._pk, data=data)
if self._fk:
fk = data.get(self._fk, 0)
name = '%s_fk:%s' % (self._name, fk)
fkmm = MFKMode(name)
pklist = fkmm.get('pklist')
if pklist is None:
pklist = self.getAllPkByFk(fk)
if pk not in pklist:
pklist.append(pk)
fkmm.update('pklist', pklist)
setattr(mm, '_state', MMODE_STATE_NEW)
mm.insert()
if isSyncNow:
mm.syncDB() # 即时同步到数据库
else:
rdsclient.zadd(mm.dszset, mm.produceRedisKey(pk), time.time())
return mm
def update_multi(self,
mapping,
isSyncNow=False): # 如果改用redis将不允许非全字段更新，必须全表更新。
if len(mapping) == 0:
return
ntime = time.time()
data = self.get_multi(['data', '_state'])
data['data'].update(mapping)
if data.get('_state') == MMODE_STATE_NEW:
props = {'data': data.get('data'), '_time': ntime}
result = MemObject.update_multi(self, props)
if isSyncNow:
self.syncDB()
else:
props = {
'_state': MMODE_STATE_UPDATE,
'data': data.get('data'),
'_time': ntime
}
result = MemObject.update_multi(self, props)
if isSyncNow:
self.syncDB()
if not isSyncNow:
pkval = data.get('data').get(self._pk)
rdsclient.zadd(self.dszset, self.produceRedisKey(pkval), ntime)
return result
def delete(self, isSyncNow=True):
'''删除对象
'''
if isSyncNow:
MemObject.update(self, '_state', MMODE_STATE_DEL) # add by fage
self.syncDB()
else:
MemObject.update(self, '_state', MMODE_STATE_DEL)
pkval = self.get('data').get(self._pk)
rdsclient.zadd(self.dszset, self.produceRedisKey(pkval), time.time())
def update(self, key, values):
data = self.get_multi(['data', '_state'])
ntime = time.time()
data['data'].update({key: values})
if data.get('_state') == MMODE_STATE_NEW:
props = {'data': data.get('data'), '_time': ntime}
else:
props = {'_state': MMODE_STATE_UPDATE, 'data': data.get('data'), '_time': ntime}
pkval = data.get('data').get(self._pk)
rdsclient.zadd(self.dszset, self.produceRedisKey(pkval), ntime)
return MemObject.update_multi(self, props)