Re: RE Little starter help with instance and action of a WOConponent
Re: RE Little starter help with instance and action of a WOConponent
- Subject: Re: RE Little starter help with instance and action of a WOConponent
- From: email@hidden
- Date: Fri, 18 Aug 2006 17:58:34 +0200
It's the problem. WebObjects don't acces
directly the instance variable but the getter and setter methods. Just
look at the error message that explains you webobjects try to find the
right method .
> not have an instance variable of the name aPerson
or _aPerson, nor a
> method of the name aPerson, _aPerson, getAPerson, or _getAPerson
So add the methods setAPersonn() and
getAPerson() (or aPersonn() if you rather like).
Jérémy
| Webobjects <email@hidden>
18/08/2006 17:34
|
|
A
| webobjects-dev <email@hidden>
|
|
cc
| email@hidden
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|
Objet
| Re: RE Little starter help with instance
and action of a WOConponent |
|
Hello,
The instance variable in Main.java aPerson is has access level of pubilc
and the method addPerson is also public.
The class Person is a public also, so think this may not be the problem.
Richard
On Aug 18, 2006 11:42 AM, email@hidden wrote:
> It seems that you did forget the getters and setters that need public
> acces.
>
> Jérémy
>
>
>
>
> Webobjects <email@hidden>
> Envoyé par : email@hidden
> 18/08/2006 16:51
>
> A
> email@hidden
> cc
>
> Objet
> Little starter help with instance and action of a WOConponent
>
>
>
>
>
>
> Hello,
>
> I have been away from WO for sometime and I picked it up again today.
> I am having a problem that any instance variable or method I add using
> WOBuilder to my Main component can not be found during runtime, but
I
> see the method and instance code add to main.java
>
> Here is the errors I am getting
>
> For a instance variable
> --------------------------------------------------------
> Error:
> com.webobjects.foundation.NSKeyValueCoding$UnknownKeyException: [
> valueForKey()]: lookup of unknown key: 'aPerson'. This WOComponent
> does
> not have an instance variable of the name aPerson or _aPerson, nor
a
> method of the name aPerson, _aPerson, getAPerson, or _getAPerson
>
> Reason:
> [<Main name: Main subcomponents: null > valueForKey()]: lookup
of
> unknown key: 'aPerson'. This WOComponent does not have an instance
> variable of the name aPerson or _aPerson, nor a method of the name
> aPerson, _aPerson, getAPerson, or _getAPerson
>
>
>
> ------------------------------------------------------------------------------------------
>
>
> or if I do not used the instance variable in the Main component and
> just
> have a form with a addPerson action I get :
>
> Error:
> com.webobjects.foundation.NSKeyValueCoding$UnknownKeyException: [
> valueForKey()]: lookup of unknown key: 'addPerson'. This WOComponent
> does not have an instance variable of the name addPerson or
> _addPerson,
> nor a method of the name addPerson, _addPerson, getAddPerson, or
> _getAddPerson
>
> Reason:
> [<Main name: Main subcomponents: null > valueForKey()]: lookup
of
> unknown key: 'addPerson'. This WOComponent does not have an instance
> variable of the name addPerson or _addPerson, nor a method of the
name
> addPerson, _addPerson, getAddPerson, or _getAddPerson
>
>
> my main.java code
>
> import com.webobjects.foundation.*;
> import com.webobjects.appserver.*;
> import com.webobjects.eocontrol.*;
> import com.webobjects.eoaccess.*;
>
>
> public class Main extends WOComponent {
> public Person aPerson;
>
> public Main(WOContext context) {
> super(context);
>
//aPerson = new Person();
> }
>
> public WOComponent addPerson()
> {
>
//aPerson = new Person();
> return null;
> }
>
> }
>
>
> Any ideas…..
>
> Thank you,
>
> Richard Whittaker
>
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>
>
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