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Re: xsl recursion

Subject: Re: xsl recursion
From: Norman Barker <normanb@xxxxxxxxxxxxx>
Date: Wed, 23 Feb 2005 16:50:03 +0000
norman barker
Hi,

thanks for the tip, already tried this, and -Xss1m to change the stack size from the default of 256k

Norman
Richard Lewis wrote:

This is a bit off topic, but have you tried setting java execution
options to allow more memory to Cocoon?

In Tomcat you need to set:
CATALINA_OPTS="-server -Xms256m -Xmx256m"

Richard

On Wed, 23 Feb 2005 15:46:14 +0000, "Norman Barker"
<normanb@xxxxxxxxxxxxx> said:


Hi,
I am using Xalan and Cocoon to doing try and implement a "divide and conquer" algorithm for processing very
large XML files. I have a row count of 8400, so I should only have a depth of log2(8400) (about 12), I keep getting
stack overflow error, and setting -RL with Xalan fails too, I thought DVC algorithms were supposed to stop this!


Anyway,

<sql:rowset>
   <sql:row>
         <col1>..</col1>
          <col2>..</col2>
    </sql:row>
           :
           :
</sql:rowset>

and the template looks like
where rows are the collection of sql:row above
Any help would be great, thanks,

<xsl:template name="data">
<xsl:param name="rows"/>
<xsl:param name="rowcount" select="count($rows)"/>
<xsl:choose>
<xsl:when test="$rowcount = 1">
<xsl:for-each select="sql:row">
<xsl:for-each select="*">
<xsl:choose>
<xsl:when test="(local-name(.) = 'date') or (local-name(.) = 'lat') or (local-name(.) = 'lon')"></xsl:when>
<xsl:otherwise>
<xsl:value-of select="."/>
</xsl:otherwise>
</xsl:choose>
</xsl:for-each>
</xsl:for-each>
</xsl:when>
<xsl:otherwise>
<xsl:variable name="cntHalf"
select="floor($rowcount div 2)"/>
<xsl:variable name="vValue1">
<xsl:call-template name="data">
<xsl:with-param name="rows"
select="$rows[position() &lt;= $cntHalf]"/>
</xsl:call-template>
</xsl:variable>
<xsl:variable name="vValue2">
<xsl:call-template name="data">
<xsl:with-param name="rows"
select="$rows[position() > $cntHalf]"/>
</xsl:call-template>
</xsl:variable> </xsl:otherwise>
</xsl:choose>
</xsl:template>

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