def create_simple_qc(self):
        contexts = {}
        types_manager = TypesManager(self.dataset_management,None,None)
        t_ctxt = ParameterContext('time', param_type=QuantityType(value_encoding=np.dtype('float64')))
        t_ctxt.uom = 'seconds since 1900-01-01'
        t_ctxt_id = self.dataset_management.create_parameter_context(name='time', parameter_context=t_ctxt.dump())
        self.addCleanup(self.dataset_management.delete_parameter_context, t_ctxt_id)
        contexts['time'] = (t_ctxt, t_ctxt_id)
        
        temp_ctxt = ParameterContext('temp', param_type=QuantityType(value_encoding=np.dtype('float32')), fill_value=fill_value)
        temp_ctxt.uom = 'deg_C'
        temp_ctxt.ooi_short_name = 'TEMPWAT'
        temp_ctxt.qc_contexts = types_manager.make_qc_functions('temp','TEMPWAT',lambda *args, **kwargs : None)
        temp_ctxt_id = self.dataset_management.create_parameter_context(name='temp', parameter_context=temp_ctxt.dump(), ooi_short_name='TEMPWAT')
        self.addCleanup(self.dataset_management.delete_parameter_context, temp_ctxt_id)
        contexts['temp'] = temp_ctxt, temp_ctxt_id

        press_ctxt = ParameterContext('pressure', param_type=QuantityType(value_encoding=np.dtype('float32')), fill_value=fill_value)
        press_ctxt.uom = 'dbar'
        press_ctxt.ooi_short_name = 'PRESWAT'
        press_ctxt.qc_contexts = types_manager.make_qc_functions('pressure', 'PRESWAT', lambda *args, **kwargs : None)
        press_ctxt_id = self.dataset_management.create_parameter_context(name='pressure', parameter_context=press_ctxt.dump(), ooi_short_name='PRESWAT')
        self.addCleanup(self.dataset_management.delete_parameter_context, press_ctxt_id)
        contexts['pressure'] = press_ctxt, press_ctxt_id
        
        lat_ctxt = ParameterContext('lat', param_type=SparseConstantType(base_type=ConstantType(value_encoding='float64'), fill_value=fill_value), fill_value=fill_value)
        lat_ctxt.uom = 'degree_north'
        lat_ctxt_id = self.dataset_management.create_parameter_context(name='lat', parameter_context=lat_ctxt.dump())
        contexts['lat'] = lat_ctxt, lat_ctxt_id

        lon_ctxt = ParameterContext('lon', param_type=SparseConstantType(base_type=ConstantType(value_encoding='float64'), fill_value=fill_value), fill_value=fill_value)
        lon_ctxt.uom = 'degree_east'
        lon_ctxt_id = self.dataset_management.create_parameter_context(name='lon', parameter_context=lon_ctxt.dump())
        contexts['lon'] = lon_ctxt, lon_ctxt_id

        return contexts
    def create_simple_qc(self):
        contexts = {}
        types_manager = TypesManager(self.dataset_management,None,None)
        t_ctxt = ParameterContext('time', param_type=QuantityType(value_encoding=np.dtype('float64')))
        t_ctxt.uom = 'seconds since 1900-01-01'
        t_ctxt_id = self.dataset_management.create_parameter_context(name='time', parameter_context=t_ctxt.dump())
        self.addCleanup(self.dataset_management.delete_parameter_context, t_ctxt_id)
        contexts['time'] = (t_ctxt, t_ctxt_id)
        
        temp_ctxt = ParameterContext('temp', param_type=QuantityType(value_encoding=np.dtype('float32')), fill_value=-9999)
        temp_ctxt.uom = 'deg_C'
        temp_ctxt.ooi_short_name = 'TEMPWAT'
        temp_ctxt.qc_contexts = types_manager.make_qc_functions('temp','TEMPWAT',lambda *args, **kwargs : None)
        temp_ctxt_id = self.dataset_management.create_parameter_context(name='temp', parameter_context=temp_ctxt.dump(), ooi_short_name='TEMPWAT')
        self.addCleanup(self.dataset_management.delete_parameter_context, temp_ctxt_id)
        contexts['temp'] = temp_ctxt, temp_ctxt_id

        return contexts