I am not knowlegable on EJB's but we are thinking of implementing credit card
dedicated line ISO messages as an EJB module. How to do sockets with EJB's and
block on socket calls? To send and receive on the socket? Multiple channels???
Scott Bader wrote:
> I've seen this argument a number of times, but what's the reality for these
> claims?
> Can someone cite me an example of an EJB container that enforces these
> restrictions.
>
> Scott
>
> "Sharan, Abhishek" wrote:
>
> > Hi Sridhar
> > i dont know much about NAS however there are some programming restrictions
> > in EJB.
> > Enterprise beans make use of the services provided by the EJB container,
> > such as life-cycle management. To avoid conflicts with these services,
> > enterprise beans are restricted from performing certain operations:
> > * Managing or synchronizing threads
> > * * Accessing files or directories with the java.io package
> > * Using AWT functionality to display information or to accept information
> > from a keyboard
> > * Listening on a socket, accepting connections on a socket, or using a
> > socket for multicast
> > * Setting a socket factory used by ServerSocket, Socket, or the stream
> > handler factory used by the URL class
> > * Loading a native library
> >
> >
>
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--
--------------------------------------
Leonard Thomas
Software Engineer
RHINO Systems Inc.
RDBMS and Internet development
www.rhinosystemsinc.com
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