[xsl] [XSLT Streaming] How do I know that my input document was processe

Hi Folks,

I want to count the number of Book elements in BookCatalogue.

I want to do it using XSLT Streaming.

Below are two solutions. One uses <xsl:stream>, the other uses <xsl:mode>.

Two Questions Please:

1. Are my two solutions equivalent?

2. I ran my solutions and they produced the correct result. They ran fast, but 
the input document is small (only 3 Books). How do I know that the input 
document was actually processed in a streaming fashion? 

I am running the transformations using the latest version of oXygen XML.

/Roger 

----------------------------------------------------------------------------------------------
Specify that stream processing is desired by embedding the 
instructions within a <xsl:stream> element: 
----------------------------------------------------------------------------------------------
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
                         xmlns:xs="http://www.w3.org/2001/XMLSchema";
                         exclude-result-prefixes="#all"
                         version="3.0">
    
    <xsl:output method="xml" />
    
    <xsl:template match="/">
        <xsl:stream href="BookCatalogue.xml">
            <count>
                <xsl:for-each select="BookCatalogue">
                    <xsl:iterate select="Book">
                        <xsl:param name="count" select="0" as="xs:decimal"/>
                        <xsl:next-iteration>
                            <xsl:with-param name="count" select="$count+1"/>
                        </xsl:next-iteration>
                        <xsl:on-completion>
                            <xsl:value-of select="$count"/>
                        </xsl:on-completion>
                    </xsl:iterate>
                </xsl:for-each>
            </count>
        </xsl:stream>
    </xsl:template>
    
</xsl:stylesheet>

----------------------------------------------------------------------------------------------
Specify that stream processing is desired by specifying streaming 
in the initial mode: 
----------------------------------------------------------------------------------------------
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
                         xmlns:xs="http://www.w3.org/2001/XMLSchema";
                         exclude-result-prefixes="#all"
                         version="3.0">
    
    <xsl:output method="xml" />
    
    <xsl:mode streamable="yes" />
    
    <xsl:template match="BookCatalogue">
        <count>
            <xsl:iterate select="Book">
                <xsl:param name="count" select="0" as="xs:decimal"/>
                <xsl:next-iteration>
                    <xsl:with-param name="count" select="$count+1"/>
                </xsl:next-iteration>
                <xsl:on-completion>
                    <xsl:value-of select="$count"/>
                </xsl:on-completion>
            </xsl:iterate>
        </count>
    </xsl:template>
    
</xsl:stylesheet>

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