コード例 #1
0
        /// <summary>
        /// This method deletes a 'ToDo' object.
        /// </summary>
        /// <param name='List<PolymorphicObject>'>The 'ToDo' to delete.
        /// <returns>A PolymorphicObject object with a Boolean value.
        internal PolymorphicObject DeleteToDo(List <PolymorphicObject> parameters, DataConnector dataConnector)
        {
            // Initial Value
            PolymorphicObject returnObject = new PolymorphicObject();

            // If the data connection is connected
            if ((dataConnector != null) && (dataConnector.Connected == true))
            {
                // Create Delete StoredProcedure
                DeleteToDoStoredProcedure deleteToDoProc = null;

                // verify the first parameters is a(n) 'ToDo'.
                if (parameters[0].ObjectValue as ToDo != null)
                {
                    // Create ToDo
                    ToDo toDo = (ToDo)parameters[0].ObjectValue;

                    // verify toDo exists
                    if (toDo != null)
                    {
                        // Now create deleteToDoProc from ToDoWriter
                        // The DataWriter converts the 'ToDo'
                        // to the SqlParameter[] array needed to delete a 'ToDo'.
                        deleteToDoProc = ToDoWriter.CreateDeleteToDoStoredProcedure(toDo);
                    }
                }

                // Verify deleteToDoProc exists
                if (deleteToDoProc != null)
                {
                    // Execute Delete Stored Procedure
                    bool deleted = this.DataManager.ToDoManager.DeleteToDo(deleteToDoProc, dataConnector);

                    // Create returnObject.Boolean
                    returnObject.Boolean = new NullableBoolean();

                    // If delete was successful
                    if (deleted)
                    {
                        // Set returnObject.Boolean.Value to true
                        returnObject.Boolean.Value = NullableBooleanEnum.True;
                    }
                    else
                    {
                        // Set returnObject.Boolean.Value to false
                        returnObject.Boolean.Value = NullableBooleanEnum.False;
                    }
                }
            }
            else
            {
                // Raise Error Data Connection Not Available
                throw new Exception("The database connection is not available.");
            }

            // return value
            return(returnObject);
        }
コード例 #2
0
        /// <summary>
        /// This method finds a 'ToDo' object.
        /// </summary>
        /// <param name='List<PolymorphicObject>'>The 'ToDo' to delete.
        /// <returns>A PolymorphicObject object with a Boolean value.
        internal PolymorphicObject FindToDo(List <PolymorphicObject> parameters, DataConnector dataConnector)
        {
            // Initial Value
            PolymorphicObject returnObject = new PolymorphicObject();

            // locals
            ToDo toDo = null;

            // If the data connection is connected
            if ((dataConnector != null) && (dataConnector.Connected == true))
            {
                // Create Find StoredProcedure
                FindToDoStoredProcedure findToDoProc = null;

                // verify the first parameters is a 'ToDo'.
                if (parameters[0].ObjectValue as ToDo != null)
                {
                    // Get ToDoParameter
                    ToDo paramToDo = (ToDo)parameters[0].ObjectValue;

                    // verify paramToDo exists
                    if (paramToDo != null)
                    {
                        // Now create findToDoProc from ToDoWriter
                        // The DataWriter converts the 'ToDo'
                        // to the SqlParameter[] array needed to find a 'ToDo'.
                        findToDoProc = ToDoWriter.CreateFindToDoStoredProcedure(paramToDo);
                    }

                    // Verify findToDoProc exists
                    if (findToDoProc != null)
                    {
                        // Execute Find Stored Procedure
                        toDo = this.DataManager.ToDoManager.FindToDo(findToDoProc, dataConnector);

                        // if dataObject exists
                        if (toDo != null)
                        {
                            // set returnObject.ObjectValue
                            returnObject.ObjectValue = toDo;
                        }
                    }
                }
                else
                {
                    // Raise Error Data Connection Not Available
                    throw new Exception("The database connection is not available.");
                }
            }

            // return value
            return(returnObject);
        }
コード例 #3
0
        /// <summary>
        /// This method fetches all 'ToDo' objects.
        /// </summary>
        /// <param name='List<PolymorphicObject>'>The 'ToDo' to delete.
        /// <returns>A PolymorphicObject object with all  'ToDos' objects.
        internal PolymorphicObject FetchAll(List <PolymorphicObject> parameters, DataConnector dataConnector)
        {
            // Initial Value
            PolymorphicObject returnObject = new PolymorphicObject();

            // locals
            List <ToDo> toDoListCollection = null;

            // Create FetchAll StoredProcedure
            FetchAllToDosStoredProcedure fetchAllProc = null;

            // If the data connection is connected
            if ((dataConnector != null) && (dataConnector.Connected == true))
            {
                // Get ToDoParameter
                // Declare Parameter
                ToDo paramToDo = null;

                // verify the first parameters is a(n) 'ToDo'.
                if (parameters[0].ObjectValue as ToDo != null)
                {
                    // Get ToDoParameter
                    paramToDo = (ToDo)parameters[0].ObjectValue;
                }

                // Now create FetchAllToDosProc from ToDoWriter
                fetchAllProc = ToDoWriter.CreateFetchAllToDosStoredProcedure(paramToDo);
            }

            // Verify fetchAllProc exists
            if (fetchAllProc != null)
            {
                // Execute FetchAll Stored Procedure
                toDoListCollection = this.DataManager.ToDoManager.FetchAllToDos(fetchAllProc, dataConnector);

                // if dataObjectCollection exists
                if (toDoListCollection != null)
                {
                    // set returnObject.ObjectValue
                    returnObject.ObjectValue = toDoListCollection;
                }
            }
            else
            {
                // Raise Error Data Connection Not Available
                throw new Exception("The database connection is not available.");
            }

            // return value
            return(returnObject);
        }