Top-level XPath functions question

[paul_se <pa...@anz.com>]

Hi,

Just looking for clarification of what 'Note that this method does not
support top-level XPath functions' means in XmlCursor.selectPath...

http://xmlbeans.apache.org/docs/2.0.0/reference/org/apache/xmlbeans/XmlCursor.html#selectPath(java.lang.String)

Background:

I'm running an xpath on an XmlObject with a count function in it and it's
failing, although non-function xpaths work fine.

e.g. $this/count(s:userRequestID) returns '0' when i expect '1'.

on

<xml-fragment xmlns:s="http://www.temp.com/fx/Session"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <s:userRequestID>4</s:userRequestID> 
  <s:userRequestType>1</s:userRequestType> 
  <s:username>FIX-ABC-CP2</s:username> 
  <s:password>q</s:password> 
  <s:userResponse> 
    <s:userRequestID>4</s:userRequestID> 
    <s:username>FIX-ABC-CP2</s:username> 
    <s:userStatus>2</s:userStatus> 
  </s:userResponse> 
</xml-fragment>

Can someone confirm that what I am doing is not supported and, if so, the
best workaround (besides only executing xpath on a level below the root
element).

Many thanks.

Using: XmlBeans: v2.4.0 Saxon: 9.0.0.4
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