JOpera for Eclipse

I’m new to JOpera, right now I’m finding difficulty in finding information about adding BPELAdapter. Could you please someone help me finding
•BPEL snippet which I can use in JOpera.
•State persistent in JOpera
For example :
I would like to create a sample workflow for procurement, say I would like to have 3 web service methods.
GeneratePurchaseOrder
GenerateInvoice
GeneratePayment

Watch it on youtube http://www.youtube.com/v/xnSAtn73gB0

Adapter Improvements:

• Extended CONDOR Adapter to control PATH and CONDOR_CONFIG environment variables
• XPath adapter can now run queries using namespace declarations

New Features:

• Adapter Editor groups basic and advanced system parameters
• Model Checker will flag data type mismatches as errors or warnings in the data flow
• Added new Doodle Map Mashup example

Automatic Retry of Failed Tasks.
Set the execution settings of Programs, to control if a failed task should be:

• Not retried (default, backwards compatible)
• Retried up to N maximum times
• Retried an infinite number of times (within a given timeout)

Download from the attachment the JOpera oml files corresponding to the videos showing how to model a parallel for-each loop:

• http://www.jopera.org/docs/videos/foreach
• http://www.jopera.org/docs/videos/foreach-filesize

This plugin requires JOpera 2.5.2 and demonstrates how to use the verifier extension point that helps to contribute extra design-time verification functionality.

Can anyone tell the link where i can find the tutorial for REstful webservice creation and composition

Bug Fixes for the Java Import Wizard:

• Add local Eclipse workspace Java projects to the import classpath
• Wizard will remember its previous configuration
• Methods that throw exceptions can now be imported
• Errors while dynamically loading classes are now shown

Download the latest release of JOpera from the update site: http://www.update.jopera.org