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<?xml version="1.0" encoding="UTF-8"?>
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<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
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xmlns:xs="http://www.w3.org/2001/XMLSchema"
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xmlns:file="http://expath.org/ns/file"
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xmlns:saxon="http://saxon.sf.net/"
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xmlns:shared="urn:shared-functions"
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exclude-result-prefixes="#all"
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extension-element-prefixes="saxon"
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version="2.0">
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<xsl:param name="input-folder" as="xs:string"/>
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<xsl:variable name="train-xml" select="shared:open-files($input-folder, 'train_*.xml')"/>
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<xsl:template name="xsl:initial-template" match="/">
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<xsl:variable name="startTime" select="saxon:timestamp()"/>
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<xsl:sequence select="$startTime[shared:always-false()]"/>
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<xsl:sequence select="shared:log('INFO', 'Batch execution starting...')"/>
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<xsl:for-each select="$train-xml">
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<xsl:sequence select="shared:log('DEBUG', concat('base-uri()=', base-uri()))"/>
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<xsl:sequence select="shared:log('DEBUG', concat('document-uri()=', document-uri()))"/>
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</xsl:for-each>
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<xsl:sequence select="shared:log('INFO', 'Batch execution succeeded')"/>
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<xsl:sequence select="shared:log-execution-time($startTime)"/>
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</xsl:template>
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<xsl:function name="shared:always-false" as="xs:boolean">
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<xsl:sequence select="current-date() lt xs:date('2000-01-01')"/>
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</xsl:function>
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<xsl:function name="shared:log">
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<xsl:param name="level" as="xs:string"/>
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<xsl:param name="message" as="item()*"/>
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<xsl:message select="serialize($message)"/>
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</xsl:function>
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<xsl:function name="shared:log-execution-time">
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<xsl:param name="startTime" as="xs:dateTime"/>
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<xsl:sequence select="shared:log('DEBUG', concat('Execution time: ', (saxon:timestamp() - $startTime) div xs:dayTimeDuration('PT1S'), 's'))"/>
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</xsl:function>
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<xsl:function name="shared:open-files" as="document-node()*">
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<xsl:param name="baseURI" as="xs:string"/>
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<xsl:param name="pattern" as="xs:string"/>
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<xsl:variable name="uri" select="file:path-to-uri($baseURI)"/>
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<xsl:variable name="files" select="collection(concat($uri, '?select=', $pattern))"/>
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<xsl:sequence select="shared:log('DEBUG', concat('Nb of loaded files = ', count($files)))"/>
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<xsl:for-each select="$files">
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<xsl:sort select="document-uri()"/>
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<xsl:sequence select="saxon:discard-document(.)"/>
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</xsl:for-each>
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</xsl:function>
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</xsl:stylesheet>
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