Hi all,
I have a bit of a software architecture question for the group. We're
building a new web application that will have 2 different presentation
tiers delivered on two different server farms. We have CF8 on both
server farms, but Transfer is only installed on one of them. We'll
use Transfer and Flex to build the back-end administration application
on server farm A, and we'll use ColdFusion to build the client
presentation application (read-only) on server farm B.
We are planning to create a set of facade CFCs on server farm A that
would utilize Transfer to retrieve data (well, objects and methods to
get the data) from the database. Server farm B would consume these
web services from server farm A.
What I'd like to know is this: Can you create a facade CFC that
returns a TransferObject as part of a web service? Like this:
<cffunction name="getPerson" access="remote"
returntype="com.transfer.TransferObject"...>
<cfargument name="personID" type="string" required="true" />
<cfreturn application.transfer.get('person.Person',
arguments.personID) />
</cffunction>
The calling method (from server farm B) would then have access to the
object (and its methods) and use those methods to render data about
the object. Like this:
<cfset ws = createObject('webservice', 'http://serverFarmA/app/
person.cfc?wsdl') />
<cfset myPerson = ws.getPerson(someID) />
<cfoutput>#myPerson.getfirst_name()#</cfoutput>
We've tried this approach, and we are running into deserialization
issues when trying to use a method on the returned object. (We can
dump the variable created with createObject() and see its methods.)
Is there a workaround available for this issue? Or should we simply
return simple data (structs, arrays, queries, etc...) from our facade
CFCs and not attempt to return objects?
Thanks in advance for any help on this. All of my google searches for
this result in java gurus discussing details of AXIS that are way over
my head! I would appreciate a CF-centric response to this (if
possible).
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