The document describes modifying a BPEL process to calculate factorials using a while loop. It instructs to create global variables, use an assign activity to initialize values, drag and drop a while activity with a condition, and add multiple assign activities inside the loop to multiply a temporary variable by the current number and decrement the number until it reaches zero.

1. Doc for while loop….

5. Modifyxsdbasedonur requirement…
Ok come to our bpel…
Create twoglobal variables…

13. Take one assignactivityinourbpel…

14. Double clickonassignactivitydosome copy operations…
Temp=1;
Fact=number;

17. Drag anddrop while activity….

18. Write a conditionforwhile activity…..

21. Drag and drop one more Assignactivity…

22. Drag and drop one more assignactivity…
For assignresult

25. Finallyitlooklikes…

26. While usingforfactorial program….

27. Logic is:
Number=(inputdata)
Temp=1;
Fact=number;
While(fact>0)
{
Temp=temp*fact;
Fact=fact-1;
}
Result=temp;