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Subject: Issue - 28 - Simplification of join condition


This issue has been added to the wsbpel issue list. It is in the current version of the list at wsbpel document 2656, It is hoped to have a fixed url for the ever-changing list.

Issue - 28 - Simplification of join condition

Submitter: Assaf Arkin
Date submitted: 25 June 2003
Categories: enhancement
Document: Specification
Description:

The specification uses the XPath language to define join conditions where in fact join conditions could only use a subset of the XPath language. Furthermore, it places a constraint that the expression use the getLinkStatus function with the name of an input link. The issue arises from the complexity of analyzing an XPath expression to determine the proper usage of XPath expressions. If the intent is not to use the full power of the XPath language and validation of the expression cannot be performed by an XPath library, perhaps we can propose a more restrictive and simpler syntax.


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