class Data(models.Model):
id = models.CharField(_(u"节点 ID"), unique=True, primary_key=True, max_length=32)
inputs = IOField(verbose_name=_(u"输入数据"))
outputs = IOField(verbose_name=_(u"输出数据"))
ex_data = IOField(verbose_name=_(u"异常数据"))
objects = DataManager()
class HistoryData(models.Model):
id = models.BigAutoField(_(u"ID"), primary_key=True)
inputs = IOField(verbose_name=_(u"输入数据"))
outputs = IOField(verbose_name=_(u"输出数据"))
ex_data = IOField(verbose_name=_(u"异常数据"))
objects = DataManager()
class ScheduleService(models.Model):
SCHEDULE_ID_SPLIT_DIVISION = 32
id = models.CharField(_(u"ID 节点ID+version"), max_length=NAME_MAX_LENGTH, unique=True, primary_key=True)
activity_id = models.CharField(_(u"节点 ID"), max_length=32, db_index=True)
process_id = models.CharField(_(u"Pipeline 进程 ID"), max_length=32)
schedule_times = models.IntegerField(_(u"被调度次数"), default=0)
wait_callback = models.BooleanField(_(u"是否是回调型调度"), default=False)
callback_data = IOField(verbose_name=_(u"回调数据"), default=None)
service_act = IOField(verbose_name=_(u"待调度服务"))
is_finished = models.BooleanField(_(u"是否已完成"), default=False)
version = models.CharField(_(u"Activity 的版本"), max_length=32, db_index=True)
is_scheduling = models.BooleanField(_(u"是否正在被调度"), default=False)
objects = ScheduleServiceManager()
def set_next_schedule(self):
if self.wait_callback:
raise exceptions.InvalidOperationException('can\'t set next schedule on callback schedule.')
count_down = self.service_act.service.interval.next()
self.is_scheduling = False
self.save()
ScheduleCeleryTask.objects.unbind(self.id)
valve.send(signals, 'schedule_ready', sender=ScheduleService, process_id=self.process_id,
schedule_id=self.id,
countdown=count_down)
def destroy(self):
schedule_id = self.id
self.delete()
data_service.delete_parent_data(schedule_id)
ScheduleCeleryTask.objects.destroy(schedule_id)
def finish(self):
self.is_finished = True
self.service_act = None
self.is_scheduling = False
self.save()
ScheduleCeleryTask.objects.destroy(self.id)
def callback(self, callback_data, process_id):
if not self.wait_callback:
raise exceptions.InvalidOperationException('can\'t callback a poll schedule.')
self.callback_data = callback_data
self.save()
valve.send(signals, 'schedule_ready', sender=ScheduleService, process_id=process_id, schedule_id=self.id,
countdown=0)
class LoopActivityScheduleHistory(models.Model):
schedule_id = models.CharField(_(u"ID 节点ID+version"), max_length=64)
activity_id = models.CharField(_(u"节点 ID"), max_length=32, db_index=True)
schedule_times = models.IntegerField(_(u"被调度次数"), default=0)
wait_callback = models.BooleanField(_(u"是否是回调型调度"), default=False)
callback_data = IOField(verbose_name=_(u"回调数据"), default=None)
version = models.CharField(_(u"Activity 的版本"), max_length=32, db_index=True)
current_loop = models.PositiveIntegerField(_(u"当前调度所处的循环计数"))
objects = LoopActivityScheduleHistoryManager()
class ProcessSnapshot(models.Model):
data = IOField(verbose_name=_(u"pipeline 运行时数据"))
objects = ProcessSnapshotManager()
@property
def pipeline_stack(self):
return self.data['_pipeline_stack']
@property
def children(self):
return self.data['_children']
@property
def root_pipeline(self):
return self.data['_root_pipeline']
@property
def subprocess_stack(self):
return self.data['_subprocess_stack']
def clean_children(self):
self.data['_children'] = []
class DataSnapshot(models.Model):
key = models.CharField(_(u"对象唯一键"), max_length=255, primary_key=True)
obj = IOField(verbose_name=_(u"对象存储字段"))
objects = DataSnapshotManager()
class HistoryData(models.Model):
inputs = IOField(verbose_name=_(u"输入数据"))
outputs = IOField(verbose_name=_(u"输出数据"))
ex_data = IOField(verbose_name=_(u"异常数据"))
objects = DataManager()