validate.xml

<mulexml:jaxb-context name="jaxbContext" packageNames="com.democompany.models.transactions"/>
    
<flow name="validateXML">
    <vm:inbound-endpoint path="in" />

    <mulexml:jaxb-xml-to-object-transformer name="XmlToTrade" jaxbContext-ref="jaxbContext"/>
        
    <enricher target="#[header:INVOCATION:validationResult]">
        <absoluterule:validation ruleSetClasses="com.democompany.rules.transactionvalidation.RuleSetTransactionRules" />
    </enricher>
        
    <choice>
        <when evaluator="groovy" expression="message.getInvocationProperty('validationResult').isEmpty()">
            <vm:outbound-endpoint path="out" />
        </when>
        <otherwise>
            <vm:outbound-endpoint path="error" />
        </otherwise>
    </choice>
</flow>