ISSUE 34: Composite Scoped components should be able to implement Conversational interfaces

["Barack, Ron" <ron.barack@sap.com>]

http://www.osoa.org/jira/browse/JAVA-34

---

Von: Mike Edwards [mailto:mike_edwards@uk.ibm.com]
Gesendet: Montag, 31. März 2008 11:02
An: OASIS Java
Betreff: [sca-j] NEW ISSUE: Composite Scoped components should be able to implement Conversational interfaces

RAISER:  Mike Edwards 

TARGET:  Java Annotations and APIs 
Specification 

DESCRIPTION: 

The resolution of Issue 12 means that a 
conversational interface can only be implemented by a conversation scoped 
component: 
http://www.osoa.org/jira/browse/JAVA-12 

This restricts an important use case for composite scoped 
components - no longer can composite scoped components provide 
conversational interfaces. 

One major reason for having composite scoped components 
is that this covers the case of components whose implementations 
are expensive to initialize.  An example 
is an in-memory database component where the loading of the data might take 
a 
substantial amount of time - done 
order to make subsequent queries and updates much faster. 

It may well be the case that it is desirable for such a 
composite scoped component to be able to offer conversational interfaces 
to its clients.  An example is for an 
in-memory database component to offer an interface to clients which provides a 
cursor into 
a large set of data and 
allow a series of requests to be issued using that cursor.  It seems 
perverse for SCA to prevent the use 
of 
these scenarios. 

PROPOSAL: 

Permit composite scoped components to 
implement conversational interfaces. 


Yours,  Mike.

Strategist - Emerging Technologies, SCA 
& SDO.
Co Chair OASIS SCA Assembly TC.
IBM Hursley Park, Mail Point 
146, Winchester, SO21 2JN, Great Britain.
Phone & FAX: +44-1962-818014 
   Mobile: +44-7802-467431  
Email: 
 mike_edwards@uk.ibm.com

---

Unless stated otherwise above:
IBM United Kingdom Limited - Registered in England and Wales with number 741598.
Registered office: PO Box 41, North Harbour, Portsmouth, Hampshire PO6 3AU