Re: [Vala] Chaining up constructors.

[Jürg Billeter <j bitron ch>]

On Sun, 2008-11-23 at 05:07 -0500, Yu Feng wrote:
> On Sun, 2008-11-23 at 11:00 +0100, Jürg Billeter wrote:
> > On Sun, 2008-11-23 at 04:53 -0500, Yu Feng wrote:
> > > On Sun, 2008-11-23 at 10:03 +0100, Jürg Billeter wrote:
> > > > On Sun, 2008-11-23 at 00:13 -0500, Yu Feng wrote:
> > > > > Both vala 0.5.1 and trunk fails to smoothly switching the parent
> > > > > classes. if I have extra stuff in the creation methods.
> > > >
> > > > Do you have an example or bugzilla link?
> > >
> > > I was experiencing the problem with that piece of DOM project. this is
> > > an abridged version:
> > >
> > > class AAA: Object {
> > >
> > >
> > >     public AAA() {
> > >         int i = 10;
> > >     }
> > > }
> > > class BBB: AAA {
> > >
> > >     public int j {get; construct;}
> > >     public BBB() {
> > >         base();
> > >         j = 100;
> > >     }
> > > }
> >
> > You should use "private set" here instead of "construct" with the new
> > construction scheme. This shouldn't cause any issues.
>
> The situation is:
> (1) I need j to be a construct property because the object eventually is
> going to be created with g_object_new.

What's the reason that you use g_object_new to create the object?

Would it be possible to create the object with default values first and
set the properties later?

Jürg