I wrote something on TheServerside which may address what you want:

http://www.theserverside.com/patterns/thread.jsp?thread_id=7270

--- Suhel Ahmed <[EMAIL PROTECTED]> wrote:
> So guys ,can i use beans default  constructor to initialize my bean with some data or
> resources.
> in this case what are the limitations i have to keep in mind by which every thin will
> go smooth,.
> any comments or suggestions
> -Suhel
>   ----- Original Message -----
>   From: Zahid Iqbal
>   To: [EMAIL PROTECTED]
>   Sent: Friday, March 15, 2002 1:37 PM
>   Subject: Re: constructors in E-Beans
>
>
>   Well....The EJB Constructor should always be called whenever an EJB instance is
> created irrespective of the specific EJB (J2EE) container. Otherwise it'll conflict
> with the standard behavior of a constructor and also the portability of the EJB code
> across different EJB containers.
>
>   Thanks
>
>   Zahid.
>
>   ----- Original Message -----
>   From: Hemant Arora <[EMAIL PROTECTED]>
>   To: <[EMAIL PROTECTED]>
>   Sent: Friday, March 15, 2002 12:36 PM
>   Subject: Re: constructors in E-Beans
>
>
>   > Hi Suhel
>   >
>   > The constructor is the default one for any EJBean
>   > and its upto the container to call it during instantiaing the bean
>   >
>   > Any body to throw more light ...........
>   >
>   > Regards
>   > Hemant
>   >
>   >
>   >
>   >                     Suhel Ahmed
>   >                     <suhel.ahmed@EXIM       To:     [EMAIL PROTECTED]
>   >                     SOFT.COM>               cc:
>   >                     Sent by: A              Subject:     constructors in E-Beans
>   >                     mailing list for
>   >                     Enterprise
>   >                     JavaBeans
>   >                     development
>   >                     <EJB-INTEREST@JAV
>   >                     A.SUN.COM>
>   >
>   >
>   >                     03/15/02 12:49 PM
>   >                     Please respond to
>   >                     Suhel Ahmed
>   >
>   >
>   >
>   >
>   >
>   >
>   > Hey
>   > Guys what is the roles of constructors in enterprise beans , can any one
>   > explain me in short .
>   >
>   >
>   >
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