Thanks for the clarifications Keith!
You'll be happy to know that I demoed SwitchYard using Forge at JAXconf not just once, but twice! Encore! Both times, the demo worked perfectly. The audience was impressed (you could even say amazed) with the flow between Forge and the Eclipse tooling. I'm telling you, this is the sweet spot.
The first time I demoed it with JBoss Tools 3.3 + SwitchYard Tooling + BPM2 Modeler. The second time with JBDS 5.0 + SwitchYard Tooling + BPM2 Modeler.
Both times I had to copy a prepared version of the Greeting.bpm2 file to the src/main/resources/META-INF directory since I can't replicate the business process using the visual editor alone. I'm noticing w/ the JBDS 5.0 combination there is an exception thrown when I try to edit the UI inputs tab in the SwitchYard task properties. I'm not sure what's going on there...but if you install the tools and run through the demo, you should see the error.
Lincoln and I discussed a few ideas afterwards about how the SwitchYard plugin could be even further improved, so we'll follow-up with those ideas soon.
Nice work to you and your team Keith. Keep up the great work changing the face of ESB!
Cheers!
-Dan
On Mon, Jul 9, 2012 at 4:21 AM, Keith Babo
<kbabo@redhat.com> wrote:
Hey Dan,
Thanks for putting these notes together. Very useful and I will definitely slap this into an article in the SwitchYard community. One small change to the steps you've used:
# add <component name="Hello"></component> and <component name="Goodbye"></component> nodes as children of the <composite> node in switchyard.xml
This is not necessary and I'll tell you why in one sec ...
switchyard add-reference --referenceName Hello --interfaceType java --interface org.example.greeting.Hello --componentName Hello
switchyard add-reference --referenceName Goodbye --interfaceType java --interface org.example.greeting.Goodbye --componentName Goodbye
I left out an important detail in my prior email, which is that the target component for these references should be the Greeting service component. A service reference is essentially documentation of a dependency on another service (e.g. @Inject in a bean, import … in a Java class, etc.). So in this case, you want to add the references to the component which is calling the service(s). Modifying your instructions, it should look like this:
switchyard add-reference --referenceName Hello --interfaceType java --interface org.example.greeting.Hello --componentName Greeting
switchyard add-reference --referenceName Goodbye --interfaceType java --interface org.example.greeting.Goodbye --componentName Greeting
The reason why it works with your original commands is that there's a bug (which you uncovered ;-) ) where service references are shared across all service components in an application. So even though you were defining the service reference on the Hello service component, the Greeting service component was able to resolve the same reference at runtime. This also required you to add the extra component definitions to switchyard.xml in order to add the reference to them.
Bottom line is that if you use the modified commands above, it will still work and you won't have to muck with the XML at all. Here's the JIRA for the bug:
cheers,
keith
test
switchyard promote-service --serviceName Greeting
build
mkdir /tmp/input
echo "SwitchYard" > /tmp/input/message.txt
# Observe the following output in the AS 7 console:
Good luck!
-Dan
On Fri, Jul 6, 2012 at 6:34 PM, Dan Allen
<dan.j.allen@gmail.com> wrote:
This is a "feature" of the XML validation in Eclipse. Disable "Honour all scheme locations" under XML - Validation (or something like that).
When I got back a test with lots of red marks, I should have asked my teacher "is it possible to turn off this validation feature?"
hahaha
-Dan
--
Dan Allen
Principal Software Engineer, Red Hat | Author of Seam in Action
Registered Linux User #231597
--
Dan Allen
Principal Software Engineer, Red Hat | Author of Seam in Action
Registered Linux User #231597
--
Dan Allen
Principal Software Engineer, Red Hat | Author of Seam in Action
Registered Linux User #231597