class InstrumentModelImpl(ResourceSimpleImpl):
"""
@brief resource management for InstrumentModel resources
"""
def on_simpl_init(self):
self.instrument_agent = InstrumentAgentImpl(self.clients)
self.instrument_device = InstrumentDeviceImpl(self.clients)
self.add_lcs_precondition(LCS.RETIRED, self.lcs_precondition_retired)
def _primary_object_name(self):
return RT.InstrumentModel
def _primary_object_label(self):
return "instrument_model"
def lcs_precondition_retired(self, instrument_model_id):
"""
can't retire if any devices or agents are using this model
"""
found, _ = self.instrument_agent.find_having(instrument_model_id)
if 0 < len(found):
return False
found, _ = self.instrument_device.find_having(instrument_model_id)
if 0 < len(found):
return False
return True
