Question

我有以下xml：

<LzMessage>
<LzPostExecution>
    <LzMarketExecution>
        <LzExecutionDetail>
            <LzExecutionId>LNE12345</LzExecutionId>
            <LzPostingVersion>1</LzPostingVersion>
            <LzInstrumentId>INSTRID</LzInstrumentId>
            <LzInstrumentName>INSTR NAME</LzInstrumentName>
            <LzSide>B</LzSide>
            <LzTradeType>A</LzTradeType>
            <LzSettlementCurrency>DKK</LzSettlementCurrency>
            <LzCounterpartyId>PTY</LzCounterpartyId>
            <LzSettlementDate>2015070900000000</LzSettlementDate>
            <LzCommissionBasis>BP</LzCommissionBasis>
            <LzCommissionRate>0</LzCommissionRate>
            <LzCommissionAmount>0</LzCommissionAmount>
            <LzCommissionType>H</LzCommissionType>
            <LzTradeDate>2015070700000000</LzTradeDate>
            <LzOrderOriginatorId/>
            <LzPostedBy>BOB</LzPostedBy>
            <LzExecutionQuantity>95000</LzExecutionQuantity>
            <LzExecutionPrice>107.99</LzExecutionPrice>
            <LzPriceType>CLEAN</LzPriceType>
            <LzFxRate>1</LzFxRate>
            <LzContractSize>0</LzContractSize>
            <LzGrossConsideration>103665.43</LzGrossConsideration>
            <LzAccruedInterest>1074.93</LzAccruedInterest>
            <LzCouponRate>1.75</LzCouponRate>
            <LzOrderId>LNO12345</LzOrderId>
            <LzExchangeId/>
            <LzPaydownFactor>1</LzPaydownFactor>
            <LzCurrentFaceQuantity>95000</LzCurrentFaceQuantity>
            <LzPriceYieldEntry>P</LzPriceYieldEntry>
            <LzExecutionYield>0.9365</LzExecutionYield>
            <LzExecutionDatetime>2015070714185800</LzExecutionDatetime>
            <LzRate>0</LzRate>
            <LzReferenceRate>0</LzReferenceRate>
            <LzPoints>0</LzPoints>
            <LzUserData1/>
            <LzFarExecutionQuantity>0</LzFarExecutionQuantity>
            <LzFarExecutionQuantity2>0</LzFarExecutionQuantity2>
            <LzSide2/>
            <LzExecutionQuantity2>0</LzExecutionQuantity2>
            <LzInstrument2Id/>
            <LzSettlementDate2/>
            <LzOrderType>1</LzOrderType>
            <LzInstrumentIsin>DK0009923138</LzInstrumentIsin>
            <LzInstrumentSedol>BMTRT97</LzInstrumentSedol>
            <LzDealingDesk>DESK</LzDealingDesk>
            <LzTransactionId>1234567</LzTransactionId>
            <LzExecutionCurrency>DKK</LzExecutionCurrency>
            <LzReferenceYield>0</LzReferenceYield>
            <LzSpread>0</LzSpread>
            <LzReferencePrice>0</LzReferencePrice>
            <LzReferenceInstrumentId/>
            <LzReferenceInstrumentName/>
        </LzExecutionDetail>
        <LzOrderDetail>
            <LzOrderId>LNO12346</LzOrderId>
            <LzPostingVersion/>
            <LzTraderInstruction/>
            <LzListId/>
            <LzUserData1/>
            <LzUserData2/>
            <LzSourceId>SOURCE</LzSourceId>
            <LzMinervaInstrumentType>3</LzMinervaInstrumentType>
            <LzUserData11/>
            <LzCurrencyQuotation>DKK</LzCurrencyQuotation>
            <LzCurrencyQuotation2/>
            <LzAddedBy>blah</LzAddedBy>
            <LzAddedDatetime>2015070714180594</LzAddedDatetime>
            <LzApprovedDatetime>2015070714180594</LzApprovedDatetime>
            <LzApproverId/>
            <LzDealerNote/>
            <LzDealingDesk>DESK</LzDealingDesk>
            <LzDrivingQuantity>1</LzDrivingQuantity>
            <LzManagerId>BOB</LzManagerId>
            <LzOriginalQuantity>95000</LzOriginalQuantity>
            <LzWorkingTraders/>
        </LzOrderDetail>
    </LzMarketExecution>
    <LzClientExecution>
        <LzExecutionDetail>
            <LzExecutionId>LNE12346</LzExecutionId>
            <LzPostingVersion>1</LzPostingVersion>
            <LzAccountId>ACC1</LzAccountId>
            <LzAccountName>Account 1</LzAccountName>
            <LzExecutionQuantity>95000</LzExecutionQuantity>
            <LzExecutionPrice>107.99</LzExecutionPrice>
            <LzGrossConsideration>103665.43</LzGrossConsideration>
            <LzAccruedInterest>1074.93</LzAccruedInterest>
            <LzFxRate>1</LzFxRate>
            <LzPaydownFactor>1</LzPaydownFactor>
            <LzCurrentFaceQuantity>95000</LzCurrentFaceQuantity>
            <LzCommissionBasis>BP</LzCommissionBasis>
            <LzCommissionRate>0</LzCommissionRate>
            <LzCommissionAmount>0</LzCommissionAmount>
            <LzSideCode>BO</LzSideCode>
            <LzGiveUpCommissionCounterpartyId>PTY</LzGiveUpCommissionCounterpartyId>
            <LzExposure>0</LzExposure>
            <LzRate>0</LzRate>
            <LzReferenceRate>0</LzReferenceRate>
            <LzPoints>0</LzPoints>
            <LzFarExecutionQuantity>0</LzFarExecutionQuantity>
            <LzFarExecutionQuantity2>0</LzFarExecutionQuantity2>
            <LzSide2/>
            <LzExecutionQuantity2>0</LzExecutionQuantity2>
            <LzSettlementDate2/>
            <LzSettlementDate>2015070900000000</LzSettlementDate>
            <LzSide>B</LzSide>
            <LzOrderType>1</LzOrderType>
            <lzmarketaccountname>ACC</lzmarketaccountname>
        </LzExecutionDetail>
        <LzAccountAllocation>
            <LzAllocationDetail>
                <LzExecutionNote/>
            </LzAllocationDetail>
        </LzAccountAllocation>
    </LzClientExecution>
</LzPostExecution>

以及以下xslt：

<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:msxsl="urn:schemas-microsoft-com:xslt" exclude-result-prefixes="msxsl acmex" xmlns:acmex="urn:schemas-acme-com:xslt-app-extensions">
<xsl:output method="xml" indent="yes"/>
<!--Copy whole message-->
<xsl:template match="node()|@*">
    <xsl:copy>
        <xsl:apply-templates select="node()|@*">
            <xsl:with-param name="instrType" select="//LzMarketExecution/LzOrderDetail/LzMinervaInstrumentType"/>
            <xsl:with-param name="clientAIValues">
                <xsl:for-each select="//LzClientExecution/LzExecutionDetail">
                    <originalAI>
                        <xsl:value-of select="LzAccruedInterest"/>
                    </originalAI>
                    <tcAI>
                        <xsl:value-of select="acmex:DeriveValue('ClientTrade','AccruedInterest','',concat(LzExecutionId,'|',LzPostingVersion),'')"/>
                    </tcAI>
                </xsl:for-each>
            </xsl:with-param>
        </xsl:apply-templates>
    </xsl:copy>
</xsl:template>
<xsl:template match="//LzMarketExecution/LzExecutionDetail/LzAccruedInterest">
    <xsl:param name="instrType"/>
    <xsl:param name="clientAIValues"/>
    <xsl:copy>
        <xsl:choose>
            <xsl:when test="$instrType='3'">
                <xsl:value-of select="sum(msxsl:node-set($clientAIValues)/tcAI)"/>
            </xsl:when>
            <xsl:otherwise>
                <xsl:value-of select="."/>
            </xsl:otherwise>
        </xsl:choose>
    </xsl:copy>
</xsl:template>
<xsl:template match="//LzMarketExecution/LzExecutionDetail/LzGrossConsideration">
    <xsl:param name="instrType"/>
    <xsl:param name="clientAIValues"/>
    <xsl:copy>
        <xsl:choose>
            <xsl:when test="$instrType='3'">
                <xsl:value-of select=". - sum(msxsl:node-set($clientAIValues)/originalAI) + sum(msxsl:node-set($clientAIValues)/tcAI)"/>
            </xsl:when>
            <xsl:otherwise>
                <xsl:value-of select="."/>
            </xsl:otherwise>
        </xsl:choose>
    </xsl:copy>
</xsl:template>
<xsl:template match="//LzClientExecution/LzExecutionDetail/LzAccruedInterest">
    <xsl:param name="instrType"/>
    <xsl:copy>
        <xsl:choose>
            <xsl:when test="$instrType='3'">
                <xsl:value-of select="acmex:DeriveValue('ClientTrade','AccruedInterest','',concat(../LzExecutionId,'|',../LzPostingVersion),'')"/>
            </xsl:when>
            <xsl:otherwise>
                <xsl:value-of select="."/>
            </xsl:otherwise>
        </xsl:choose>
    </xsl:copy>
</xsl:template>
<xsl:template match="//LzClientExecution/LzExecutionDetail/LzGrossConsideration">
    <xsl:param name="instrType"/>
    <xsl:copy>
        <xsl:choose>
            <xsl:when test="$instrType='3'">
                <xsl:value-of select=". - ../LzAccruedInterest + acmex:DeriveValue('ClientTrade','AccruedInterest','',concat(../LzExecutionId,'|',../LzPostingVersion),'')"/>
            </xsl:when>
            <xsl:otherwise>
                <xsl:value-of select="."/>
            </xsl:otherwise>
        </xsl:choose>
    </xsl:copy>
</xsl:template>

当我应用这个xslt时，acmex：DeriveValue扩展方法被调用110次，而我希望它被调用3次。不确定为什么？

Answer 1

好<xsl:template match="node()|@*">匹配您没有任何更具体模板的节点。然后在该模板内部，将模板应用于所有属性和所有子节点，并计算调用扩展函数的参数值。也许你想使用一次计算值的全局参数或变量。

xslt扩展方法被调用的次数比预期的多

1 个答案: