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39.4. Sort Messages by Operation Name

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The operationName header

When the WS endpoint parses an incoming operation invocation in PROVIDER mode, it automatically sets the operationName header to the name of the invoked operation. You can then use this header to sort messages by operation name.

Sorting by operation name

For example, the customer-ws-camel-cxf-provider demonstration defines the following route, which uses the content-based router pattern to sort incoming messages, based on the operation name. The when predicates check the value of the operationName header using simple language expressions, sorting messages into invocations on the updateCustomer operation, the lookupCustomer operation, or the getCustomerStatus operation.
<beans ...>
    ...
    <camelContext id="camel" xmlns="http://camel.apache.org/schema/spring">
        <route>
            <from uri="cxf:bean:customer-ws"/>
            <choice>
                <when>
                    <simple>${in.header.operationName} == 'updateCustomer'</simple>
                    ...
                </when>
                <when>
                    <simple>${in.header.operationName} == 'lookupCustomer'</simple>
                    ...
                </when>
                <when>
                    <simple>${in.header.operationName} == 'getCustomerStatus'</simple>
                    ...
                </when>
            </choice>
        </route>
    </camelContext>
    ...
</beans>
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