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RE: [xsl] document() function caching?
Subject: RE: [xsl] document() function caching? From: "Michael Kay" <mike@xxxxxxxxxxxx> Date: Thu, 31 Jan 2008 18:24:44 -0000 |
There's a Saxon mailing list which you should really be using for this kind of question: go to http://saxon.sf.net/ and work from there. The XSLT specification requires the results of document() to be stable for the duration of a transformation (which typically means that the results are likely to be cached for that duration). If you reuse a JAXP Transformer, then Saxon will hold onto this cache unless you ask otherwise (since the only reason for reusing a Transformer is to reuse the resources it holds). If you create a new Transformer for each transformation, which is what I normally recommend, then I think you will get a clean cache. Michael Kay http://www.saxonica.com/ > -----Original Message----- > From: Bill French [mailto:bfh@xxxxxxxxxxxxx] > Sent: 31 January 2008 17:40 > To: xsl-list@xxxxxxxxxxxxxxxxxxxxxx > Subject: [xsl] document() function caching? > > Hi all, > > We're using Saxon 8 in a servlet hosted within a Tomcat 5.5 > environment, > transforming XML into XHTML via XSLT 2.0. > > We've recently had to integrate our product with a client's > web portal. > The client uses web services to serve up HTML components, > e.g., document headers & footers. The HTML components are > dynamically created dependent on the user who's logged in. > The rules governing who can see what change quite often. > > We're using the XSLT document function to call the web > services. Here's an example: > > <xsl:copy-of > select="document('http://HOST/webservices/navigation/GetPortal > Footer')"/> > > A developer on our client's side made changes to the web > service but they weren't realized in the application until > Tomcat was restarted. So, the question: does Saxon 8 cache > results of document() function calls? > If so, how would I disable this? > > Thanks in advance for reading/responding. > > Regards > > --Bill
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