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FIXTradingCommunity / fix-orchestra

Machine readable rules of engagement
Apache License 2.0
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[repository schema] Support mixed expression/script languages #164

Open donmendelson opened 2 years ago

donmendelson commented 2 years ago

Currently, the selection of expression language is global to an Orchestra repository at its root element, and its default is the Score DSL. It affects the interpretation of conditional expressions in <when> elements and values in <assign>.

<xs:attribute name="expressionLanguage" type="xs:string" default="Score">
    <xs:annotation>
        <xs:documentation>The syntax of 'expressionType'</xs:documentation>
    </xs:annotation>
</xs:attribute>

Some projects may need a mix of expression or script languages for different purposes. Therefore, I propose to add the expressionLanguage as an optional attribute of of <when> to override the global setting.