Sample Program To Start up with BPEL


Add Two Numbers


Step 1 :


Open Jdeveloper , Click on Application Tab, and select new
Enter Application name and select SOA Application,

Click Next, Enter Project Name, select SOA and click next

Select Empty Composite and click on Finish


Step 2:   Drag and drop BPEL Component to Component Section, as below image

BPEL dialog box will Open, Enter all the fields as below, tick on Expose as SOA Service,
select Synchronous Process

XSD,WSDL,Bpel Files will be created automatically.

Click on XSD and Edit it as below, SAVE ALL

Click on DemoAddNumbers.bpel, drag and drop Assign activity below receive activity

Double click on Assign activity,  click on '+' symbol and select copy operation.
From and To will be available
In From, select Type as Expression, Click on Xpath Expression Builder,
Select input variable numberA + numberB (code shown below)
bpws:getVariableData('inputVariable','payload','/client:process/client:numberA') + bpws:getVariableData('inputVariable','payload','/client:process/client:numberB')
Click Ok

In To, select Outputvariable--> Result and click OK.. As shown below

Click OK, Apply.. In BPEL designer window click on validate symbol

Now deploy the Application as shown in the figure

After deployement, Open enterprise manager http://localhost:7001/em
Select DemoAddNumbers and double click on it

Click on Test as shown below

Select view as XMLview, and give input's to numberA and numberB as below

Click on Test Web Service, the Result is shown below