66 lines
1.6 KiB
Python
66 lines
1.6 KiB
Python
from sqlalchemy import Column, Integer, ForeignKey
|
|
|
|
from platypush.common.db import is_defined
|
|
|
|
from .sensors import NumericSensor
|
|
|
|
|
|
if not is_defined('power_sensor'):
|
|
|
|
class PowerSensor(NumericSensor):
|
|
__tablename__ = 'power_sensor'
|
|
|
|
id = Column(
|
|
Integer, ForeignKey(NumericSensor.id, ondelete='CASCADE'), primary_key=True
|
|
)
|
|
|
|
__table_args__ = {'extend_existing': True}
|
|
__mapper_args__ = {
|
|
'polymorphic_identity': __tablename__,
|
|
}
|
|
|
|
|
|
if not is_defined('current_sensor'):
|
|
|
|
class CurrentSensor(NumericSensor):
|
|
__tablename__ = 'current_sensor'
|
|
|
|
id = Column(
|
|
Integer, ForeignKey(NumericSensor.id, ondelete='CASCADE'), primary_key=True
|
|
)
|
|
|
|
__table_args__ = {'extend_existing': True}
|
|
__mapper_args__ = {
|
|
'polymorphic_identity': __tablename__,
|
|
}
|
|
|
|
|
|
if not is_defined('voltage_sensor'):
|
|
|
|
class VoltageSensor(NumericSensor):
|
|
__tablename__ = 'voltage_sensor'
|
|
|
|
id = Column(
|
|
Integer, ForeignKey(NumericSensor.id, ondelete='CASCADE'), primary_key=True
|
|
)
|
|
|
|
__table_args__ = {'extend_existing': True}
|
|
__mapper_args__ = {
|
|
'polymorphic_identity': __tablename__,
|
|
}
|
|
|
|
|
|
if not is_defined('energy_sensor'):
|
|
|
|
class EnergySensor(NumericSensor):
|
|
__tablename__ = 'energy_sensor'
|
|
|
|
id = Column(
|
|
Integer, ForeignKey(NumericSensor.id, ondelete='CASCADE'), primary_key=True
|
|
)
|
|
|
|
__table_args__ = {'extend_existing': True}
|
|
__mapper_args__ = {
|
|
'polymorphic_identity': __tablename__,
|
|
}
|