Question
Explain bpelx:rename and xsd type casting?
Answers
The bpelx:rename extension in an assign activity enables a BPEL process to rename an element through use of XSD type casting.
The syntax of bpelx:target is similar to and a subset of to-spec for the copy operation. The target must return a list of one more element nodes. Otherwise, a bpel:selectionFailure fault is generated. The element nodes specified in the from-spec are renamed the QName specified by the elementTo attribute. The xsi:type attribute is added to those element nodes to cast those elements to the QName type specified by the typeCastTo attribute.
Assume you have the following employee list:
JohnDoleJaneDolePeterSmithMarySmith
Promotion changes are now applied to Peter Smith in the employee list:
After executing the above casting (renaming), the data looks as follows with xsi:type info added to Peter Smith:
JohnDoleJaneDole3000marysmith
The employee data of Peter Smith is now invalid, because and are missing. Therefore, is used to add that information.
2500petersmith2500   Your Comment




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