[jira] Updated: (SM-413) access message exchange properties in e.g. content-based routing XPath expressions of servicemix-eip

["Guillaume Nodet (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/activemq/browse/SM-413?page=all ]

Guillaume Nodet updated SM-413:
-------------------------------

    Fix Version/s:     (was: 3.0.1)

> access message exchange properties in e.g. content-based routing XPath expressions of servicemix-eip
> ----------------------------------------------------------------------------------------------------
>
>                 Key: SM-413
>                 URL: https://issues.apache.org/activemq/browse/SM-413
>             Project: ServiceMix
>          Issue Type: Improvement
>          Components: servicemix-eip
>    Affects Versions: 3.0.1
>            Reporter: Peter Klotz
>
> in the routing patterns of servicemix-eip e.g. the content-based router, it
> seems that one cannot access ME properties only the ME content.
> It would be a nice feature if one could e.g. set a property in a transformer
> component and make use of it in routing so that one has a bit of context
> information available in the patterns, not only the content. In the
> content-based router one could e.g. access properties by $name_of_property in
> the XPath expressions.
> There are two ways to implement that:
>   * create a custom predicate that can check a property on the
> exchange (with a regular expression maybe)
>   * create an xpath function, configure it on the XPathPredicate and write
>       a xpath expression using it
> The first one is easier of course and it could be combined with an
> xpath expression by implementing boolean predicates (or, and, xor,
> not...)

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