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Grouping XML key value using XSLT

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198709km

198709km

Programmer
Jun 22, 2022
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Hi All,

There is a query for which i am seeing assistance, on how to group the XML by keyElements using XSLT. Below is the sample XML code: -
<?xml version = "1.0" encoding = "UTF-8"?>
<CISDocument>
<Aheader>
<OperationName>APINAME</OperationName>
</Aheader>
<ResponseHeader>
<CompletedSuccessfully>true</CompletedSuccessfully>
</ResponseHeader>
<Page>
<StartAtRow>0</StartAtRow>
<MaxRows>5</MaxRows>
<TotalRowCount>1</TotalRowCount>
</Page>
<Entity>
<Load>
<LID>A</LID>
<ccode>B</ccode>
<servicecode>C</servicecode>
<flocationcode>D</flocationcode>
<llocationcode>E</llocationcode>
<BaseShipmentModule>
<ShipUnitModule>
<Shnum>1234567</Shnum>
<Sfromlocation>01234</Sfromlocation>
<Stolocation>04567</Stolocation>
<Container>
<SContainerID>1</SContainerID>
<Quantity>1</Quantity>
<ContainerVinformation>
<Volume>1</Volume>
</ContainerVinformation>
<ItemNumber>AA</ItemNumber>
<WFClass>
<Fweigth>222</Fweigth>
<FClassCode>10</FClassCode>
</WFClass>
<ReferenceNumberStructure>
<ReferenceNumberTypeCode>BBB</ReferenceNumberTypeCode>
<ReferenceNumber>CCC</ReferenceNumber>
</ReferenceNumberStructure>
<ReferenceNumberStructure>
<ReferenceNumberTypeCode>DDD</ReferenceNumberTypeCode>
<ReferenceNumber>1233</ReferenceNumber>
</ReferenceNumberStructure>
</Container>
</ShipUnitModule>
</BaseShipmentModule>
<BaseShipmentModule>
<ShipUnitModule>
<Shnum>1234568</Shnum>
<Sfromlocation>01234</Sfromlocation>
<Stolocation>04567</Stolocation>
<Container>
<SContainerID>1</SContainerID>
<Quantity>1</Quantity>
<ContainerVinformation>
<Volume>1</Volume>
</ContainerVinformation>
<ItemNumber>AA</ItemNumber>
<WFClass>
<Fweigth>222</Fweigth>
<FClassCode>10</FClassCode>
</WFClass>
<ReferenceNumberStructure>
<ReferenceNumberTypeCode>BBB</ReferenceNumberTypeCode>
<ReferenceNumber>CCC</ReferenceNumber>
</ReferenceNumberStructure>
<ReferenceNumberStructure>
<ReferenceNumberTypeCode>DDD</ReferenceNumberTypeCode>
<ReferenceNumber>1233</ReferenceNumber>
</ReferenceNumberStructure>
</Container>
</ShipUnitModule>
</BaseShipmentModule>
<BaseShipmentModule>
<ShipUnitModule>
<Shnum>1234569</Shnum>
<Sfromlocation>11234</Sfromlocation>
<Stolocation>14567</Stolocation>
<Container>
<SContainerID>1</SContainerID>
<Quantity>1</Quantity>
<ContainerVinformation>
<Volume>1</Volume>
</ContainerVinformation>
<ItemNumber>AA</ItemNumber>
<WFClass>
<Fweigth>222</Fweigth>
<FClassCode>10</FClassCode>
</WFClass>
<ReferenceNumberStructure>
<ReferenceNumberTypeCode>BBB</ReferenceNumberTypeCode>
<ReferenceNumber>CCC</ReferenceNumber>
</ReferenceNumberStructure>
<ReferenceNumberStructure>
<ReferenceNumberTypeCode>DDD</ReferenceNumberTypeCode>
<ReferenceNumber>1233</ReferenceNumber>
</ReferenceNumberStructure>
</Container>
</ShipUnitModule>
</BaseShipmentModule>
<BaseShipmentModule>
<ShipUnitModule>
<Shnum>1234570</Shnum>
<Sfromlocation>11234</Sfromlocation>
<Stolocation>14567</Stolocation>
<Container>
<SContainerID>1</SContainerID>
<Quantity>1</Quantity>
<ContainerVinformation>
<Volume>1</Volume>
</ContainerVinformation>
<ItemNumber>AA</ItemNumber>
<WFClass>
<Fweigth>222</Fweigth>
<FClassCode>10</FClassCode>
</WFClass>
<ReferenceNumberStructure>
<ReferenceNumberTypeCode>BBB</ReferenceNumberTypeCode>
<ReferenceNumber>CCC</ReferenceNumber>
</ReferenceNumberStructure>
<ReferenceNumberStructure>
<ReferenceNumberTypeCode>DDD</ReferenceNumberTypeCode>
<ReferenceNumber>1233</ReferenceNumber>
</ReferenceNumberStructure>
</Container>
</ShipUnitModule>
</BaseShipmentModule>
<S1>
<SID>1613243
</SSID>
<SCount>3</SCount>
<CDStop>0</CDStop>
<AATime>2022-06-17T08:00:00</AATime>
<SLCode>06V0018963</SLCode>
</S1>
<S1>
<SSID>1613244</SSID>
<SCount>0</SCount>
<CDStop>16</CDStop>
<AATime>2022-06-17T19:45:00</AATime>
<SLCode>06C0124A</SLCode>
</S1>
<S1>
<SSID>1613245</SSID>
<SCount>4</SCount>
<CDStop>0</CDStop>
<AATime>2022-06-17T09:00:00</AATime>
<SLCode>06V0029699</SLCode>
</S1>
</Stop>
</Load>
</Entity>

As we can see in the above XML example, there are multiple <BaseShipmentModule> tag and within each <BaseShipmentModule> we have a tag called: <Sfromlocation> and <Stolocation> which stands for location code, from and to location.



Now if we observe a little bit, we have a total of 4 <BaseShipmentModule> tag and the value for <Sfromlocation> and <Stolocation> in same in the 1st and 2nd <BaseShipmentModule> tag. Where as the value for <Sfromlocation> and <Stolocation> is same in the 3rd and 4th <BaseShipmentModule> tag. Looking for to group the XML based on the <Sfromlocation> and <Stolocation>.



Expected output is shown below: -

<?xml version = "1.0" encoding = "UTF-8"?>
<CISDocument>
<Aheader>
<OperationName>APINAME</OperationName>
</Aheader>
<ResponseHeader>
<CompletedSuccessfully>true</CompletedSuccessfully>
</ResponseHeader>
<Page>
<StartAtRow>0</StartAtRow>
<MaxRows>5</MaxRows>
<TotalRowCount>1</TotalRowCount>
</Page>
<Entity>
<Load>
<LID>A</LID>
<ccode>B</ccode>
<servicecode>C</servicecode>
<flocationcode>D</flocationcode>
<llocationcode>E</llocationcode>
<BaseShipmentModule>
<ShipUnitModule>
<Shnum>1234567</Shnum>
<Shnum>1234568</Shnum>
<Sfromlocation>01234</Sfromlocation>
<Stolocation>04567</Stolocation>
<Container>
<SContainerID>1</SContainerID>
<Quantity>1</Quantity>
<ContainerVinformation>
<Volume>1</Volume>
</ContainerVinformation>
<ItemNumber>AA</ItemNumber>
<WFClass>
<Fweigth>222</Fweigth>
<FClassCode>10</FClassCode>
</WFClass>
<ReferenceNumberStructure>
<ReferenceNumberTypeCode>BBB</ReferenceNumberTypeCode>
<ReferenceNumber>CCC</ReferenceNumber>
</ReferenceNumberStructure>
<ReferenceNumberStructure>
<ReferenceNumberTypeCode>DDD</ReferenceNumberTypeCode>
<ReferenceNumber>1233</ReferenceNumber>
</ReferenceNumberStructure>
</Container>
<Container>
<SContainerID>1</SContainerID>
<Quantity>1</Quantity>
<ContainerVinformation>
<Volume>1</Volume>
</ContainerVinformation>
<ItemNumber>AA</ItemNumber>
<WFClass>
<Fweigth>222</Fweigth>
<FClassCode>10</FClassCode>
</WFClass>
<ReferenceNumberStructure>
<ReferenceNumberTypeCode>BBB</ReferenceNumberTypeCode>
<ReferenceNumber>CCC</ReferenceNumber>
</ReferenceNumberStructure>
<ReferenceNumberStructure>
<ReferenceNumberTypeCode>DDD</ReferenceNumberTypeCode>
<ReferenceNumber>1233</ReferenceNumber>
</ReferenceNumberStructure>
</Container>
</ShipUnitModule>
</BaseShipmentModule>
<BaseShipmentModule>
<ShipUnitModule>
<Shnum>1234569</Shnum>
<Shnum>1234570</Shnum>
<Sfromlocation>11234</Sfromlocation>
<Stolocation>14567</Stolocation>
<Container>
<SContainerID>1</SContainerID>
<Quantity>1</Quantity>
<ContainerVinformation>
<Volume>1</Volume>
</ContainerVinformation>
<ItemNumber>AA</ItemNumber>
<WFClass>
<Fweigth>222</Fweigth>
<FClassCode>10</FClassCode>
</WFClass>
<ReferenceNumberStructure>
<ReferenceNumberTypeCode>BBB</ReferenceNumberTypeCode>
<ReferenceNumber>CCC</ReferenceNumber>
</ReferenceNumberStructure>
<ReferenceNumberStructure>
<ReferenceNumberTypeCode>DDD</ReferenceNumberTypeCode>
<ReferenceNumber>1233</ReferenceNumber>
</ReferenceNumberStructure>
</Container>
<Container>
<SContainerID>1</SContainerID>
<Quantity>1</Quantity>
<ContainerVinformation>
<Volume>1</Volume>
</ContainerVinformation>
<ItemNumber>AA</ItemNumber>
<WFClass>
<Fweigth>222</Fweigth>
<FClassCode>10</FClassCode>
</WFClass>
<ReferenceNumberStructure>
<ReferenceNumberTypeCode>BBB</ReferenceNumberTypeCode>
<ReferenceNumber>CCC</ReferenceNumber>
</ReferenceNumberStructure>
<ReferenceNumberStructure>
<ReferenceNumberTypeCode>DDD</ReferenceNumberTypeCode>
<ReferenceNumber>1233</ReferenceNumber>
</ReferenceNumberStructure>
</Container>
</ShipUnitModule>
</BaseShipmentModule>
<S1>
<SID>1613243
</SSID>
<SCount>3</SCount>
<CDStop>0</CDStop>
<AATime>2022-06-17T08:00:00</AATime>
<SLCode>06V0018963</SLCode>
</S1>
<S1>
<SSID>1613244</SSID>
<SCount>0</SCount>
<CDStop>16</CDStop>
<AATime>2022-06-17T19:45:00</AATime>
<SLCode>06C0124A</SLCode>
</S1>
<S1>
<SSID>1613245</SSID>
<SCount>4</SCount>
<CDStop>0</CDStop>
<AATime>2022-06-17T09:00:00</AATime>
<SLCode>06V0029699</SLCode>
</S1>
</Stop>
</Load>
</Entity>


As we can see in the above result, we have combined the <ShipUnitModule> based on the <Sfromlocation> and <Stolocation> tag. And he tag <Container> has been grouped and the rest of the tag <S1> is unaffected by it. We did get help from one of the Engineers (Michael), with the below XSLT,


<xsl:stylesheet version="2.0" xmlns:xsl= <xsl:eek:utput method="xml" version="1.0" encoding="UTF-8" indent="yes"/>
<xsl:template match="/Entity">
<xsl:copy>
<xsl:for-each-group select="Shipment" group-by="concat(shipFromLocation, '|', shipToLocation)">
<Shipment>
<xsl:copy-of select="shipFromLocation, shipToLocation"/>
<xsl:copy-of select="current-group()/container"/>
</Shipment>
</xsl:for-each-group>
</xsl:copy>
</xsl:template>
</xsl:stylesheet>


But, it is not able to help the overall output, please do help us here. Its quite important. Any suggestion will matter a lot.
 
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198709km,

If I understood correctly your requirements, this will put you closer.

Code: 
<xsl:stylesheet version="2.0" xmlns:xsl="[URL unfurl="true"]http://www.w3.org/1999/XSL/Transform">[/URL]
    <xsl:output method="xml" version="1.0" encoding="UTF-8" indent="yes"/>
    <xsl:template match="/">
        <fragment><xsl:apply-templates select="//Entity"/></fragment>
    </xsl:template>
    <xsl:template match="Entity">
        <Entity>
            <Load>
                <xsl:apply-templates select="Load/BaseShipmentModule[1]" mode="first"/>
                <xsl:for-each-group select="Load/BaseShipmentModule" group-by="concat(ShipUnitModule/Sfromlocation, '|', ShipUnitModule/Stolocation)">
                    <BaseShipmentModule>
                        <ShipUnitModule>
                            <xsl:copy-of select="current-group()/ShipUnitModule/Shnum"/>
                            <xsl:copy-of select="(current-group()/ShipUnitModule/Sfromlocation)[1], (current-group()/ShipUnitModule/Stolocation)[1]"/>
                            <xsl:copy-of select="current-group()/ShipUnitModule/Container"/>
                        </ShipUnitModule>
                     </BaseShipmentModule>
               </xsl:for-each-group>
                <xsl:apply-templates select="Load/BaseShipmentModule[position() = last()]" mode="last"/>
            </Load>
        </Entity>
    </xsl:template>
    <xsl:template match="BaseShipmentModule" mode="first">
        <xsl:copy-of select="preceding-sibling::*"/>
    </xsl:template>
    <xsl:template match="BaseShipmentModule" mode="last">
        <xsl:copy-of select="following-sibling::*"/>
    </xsl:template>
</xsl:stylesheet>

Note: I only took care of the Entity element. The rest is up to you.
 
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