public ReadValue ( BaseVariableState variable ) : object | ||
variable | BaseVariableState | |
return | object |
/// <summary> /// Generates a new value each time the value is read. /// </summary> private ServiceResult DoDeviceRead( ISystemContext context, NodeState node, NumericRange indexRange, QualifiedName dataEncoding, ref object value, ref StatusCode statusCode, ref DateTime timestamp) { BaseVariableState variable = node as BaseVariableState; if (variable == null) { return(ServiceResult.Good); } if (!SimulationActive.Value) { return(ServiceResult.Good); } TestDataSystem system = context.SystemHandle as TestDataSystem; if (system == null) { return(StatusCodes.BadOutOfService); } try { value = system.ReadValue(variable); statusCode = StatusCodes.Good; timestamp = DateTime.UtcNow; ServiceResult error = BaseVariableState.ApplyIndexRangeAndDataEncoding( context, indexRange, dataEncoding, ref value); if (ServiceResult.IsBad(error)) { statusCode = error.StatusCode; } return(ServiceResult.Good); } catch (Exception e) { return(new ServiceResult(e)); } }
/// <summary> /// Generates a new value for the variable. /// </summary> protected void GenerateValue(TestDataSystem system, BaseVariableState variable) { variable.Value = system.ReadValue(variable); variable.Timestamp = DateTime.UtcNow; variable.StatusCode = StatusCodes.Good; }
/// <summary> /// Generates a new value for the variable. /// </summary> protected void GenerateValue(TestDataSystem system, BaseVariableState variable) { variable.Value = system.ReadValue(variable); variable.Timestamp = DateTime.UtcNow; variable.StatusCode = StatusCodes.Good; }