× The internal search function is temporarily non-functional. The current search engine is no longer viable and we are researching alternatives.
As a stop gap measure, we are using Google's custom search engine service.
If you know of an easy to use, open source, search engine ... please contact support@midrange.com.



The BeanUtils class in the BeanUtils jar from the Apache Commons project (http://commons.apache.org) can do this. A lot of this type of stuff (and some pretty complex things like POI) has already been done and is available from Apache.org.

Matt

-----Original Message-----
From: rpg400-l-bounces@xxxxxxxxxxxx [mailto:rpg400-l-bounces@xxxxxxxxxxxx] On Behalf Of Walden H. Leverich
Sent: Thursday, June 19, 2008 4:01 PM
To: RPG programming on the AS400 / iSeries
Subject: RE: Is RPG 'DEAD"

Remember that the copy-from-class is likely to also contain other
class variables.

Very true, The shallow/deep copy question is one that always is a
problem. But in the rough-parallel to the OP's comment about newDS =
oldDS your class wouldn't contain other classes.

How good is Java's reflection? Could you implement a generic copy using
reflection to inspect the members and copy them one by one? Perhaps
something like

Static object Util.CopyObject(Object oldObject, CopyType type)

Where CopyType was an enum of Shallow and Deep.

Or

Static object Util.CopyObject(Object oldObject, int depth)

Where 0 was the object itself, -1 was infinite depth and > 0 was the
number of levels to traverse.

You'd inspect the oldObject for its type. Spin up a new object of that
type, and then walk the member variables doing a copy as you go.


-Walden

--
Walden H Leverich III
Tech Software
(516) 627-3800 x3051
WaldenL@xxxxxxxxxxxxxxx
http://www.TechSoftInc.com

As an Amazon Associate we earn from qualifying purchases.

This thread ...

Replies:

Follow On AppleNews
Return to Archive home page | Return to MIDRANGE.COM home page

This mailing list archive is Copyright 1997-2024 by midrange.com and David Gibbs as a compilation work. Use of the archive is restricted to research of a business or technical nature. Any other uses are prohibited. Full details are available on our policy page. If you have questions about this, please contact [javascript protected email address].

Operating expenses for this site are earned using the Amazon Associate program and Google Adsense.