camel-users mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Claus Ibsen <>
Subject Re: Fill cache from SQL query
Date Wed, 28 Dec 2011 09:27:44 GMT
On Tue, Dec 27, 2011 at 6:36 PM, guitarcarver
<> wrote:
> I want to extract data key/value data with an SQL query in a camel xml DSL
> file and then use it later.
> My thermometer reading app use case is this:
> 1. Once (or periodically): select thermometer,lowvalue from Thermometers
> 2. In Route A, read temperatures and put them in a topic
> 3. In Route B, in a <Choice>/<When> clause as temperatures come in from the
> topic, check if the
>    current temp is below lowvalue
> 3. Notify me
> I've read a lot and tried to form a google query to see if there is a
> standard way of doing this but after about 3 days of inconclusive research,
> let me ask here.

Why are you afraid of using java code? If you can get the job done
much faster, than spending 3 days.

> In spring-xml DSL, can I keep a set of key/value pairs that I can
> subsequently use to do a key lookup and compare the value?  And do it
> without Java?

You can use scripting languages in XML DSL to compare values and whatnot.

> I'm using servicemix 4.4 and drop the DSL xml file into the deploy
> directory.  What a great way of keeping it simple and accurate!
> Thanks in advance,
> Robbin
> --
> View this message in context:
> Sent from the Camel - Users mailing list archive at

Claus Ibsen
Twitter: davsclaus, fusenews
Author of Camel in Action:

View raw message