RE: [PEAR] DB_DataObject - problem with inheritance

Dear Markus and Mitchell, thanks for your quick and useful advice. Your idea for my "Super class" problem should work very well. Thanks and greets, Torsten > -----Original Message----- > From: Markus Wolff [mailto:wolff@21st.de] > Sent: Sunday, December 28, 2003 10:28 PM > To: mitch@enetis.net; pear-general@lists.php.net > Subject: Re: [PEAR] DB_DataObject - problem with inheritance > > > mitchell perilstein wrote: > > > Markus Wolff wrote: > > > >> You must be careful with this, though: You can't use properties in > >> your base class that are already being used by DataObject. You can't > >> use the same method names, either. > > > > I beg to differ on the method caution. I find it very useful to > > override DataObject methods in the extension class. For example, some > > of my stored objects have comment fields, so I can catch that by > > overriding the insert method in my extension, with neither my child > > objects nor DataObject knowing about it: > [...] > > Sure, I just wasn't precise enough. Of course you can use the same > method names as in DataObject in your derived class, you just have to > make sure they behave correctly. > However, if you've already had an insert() method (or whatever else) in > your base class before, that did something completely different(tm), and > then you extend from DataObject - that's where things are gonna break, > naturally. > > CU > Markus > > -- > PEAR General Mailing List (http://pear.php.net/) > To unsubscribe, visit: http://www.php.net/unsub.php >