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From "Claus Ibsen (JIRA)" <j...@apache.org>
Subject [jira] Commented: (CAMEL-1537) Predicate for validation
Date Thu, 20 May 2010 06:26:14 GMT

    [ https://issues.apache.org/activemq/browse/CAMEL-1537?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=59465#action_59465
] 

Claus Ibsen commented on CAMEL-1537:
------------------------------------

Sorry that ExpressionNodeDefinition was actually {{ExpressionSubElementDefinition}} and you
use those when you need additional expressions in an EIP.
For example Aggregator which uses expressions for its completion conditions.

The validator is very simple so it can do as it does extend ExpressionNode and we are all
set.

> Predicate for validation 
> -------------------------
>
>                 Key: CAMEL-1537
>                 URL: https://issues.apache.org/activemq/browse/CAMEL-1537
>             Project: Apache Camel
>          Issue Type: New Feature
>    Affects Versions: 2.0-M1
>            Reporter: Claus Ibsen
>            Assignee: Christian Mueller
>            Priority: Minor
>             Fix For: Future
>
>         Attachments: CAMEL-1537.patch
>
>
> The current validator is a component and its a bit clumsy as it throws an exception if
validation error.
> So if we have a nice Predicate for it, it can be like a xpath predicate or the likes.
> [17:58]  <jstrachan> http://camel.apache.org/validation.html
> [17:58]  <ulhasb> jstrachan: thanks for the quick responses
> [17:59]  <cibsen> jstrachan we should maybe have a predicate for schema validation
> [17:59]  <cibsen> then you can route it a bit more nice without try .. catch
> [18:00]  * fbolton has quit ("Leaving.")
> [18:03]  * gertv has quit (Client closed connection)
> [18:05]  <jstrachan> cibsen: yeah
> [18:05]  <jstrachan> cibsen: maybe a kinda predicate language using the other validators?
filter().validate(theValidationEndpointUri).to("blah")

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