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https://issues.apache.org/activemq/browse/CAMEL-1234?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=48554#action_48554
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Claus Ibsen commented on CAMEL-1234:
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I think we need to introduce a new DSL for this to seperate it from onException
and so it can be used without the need for onException
Something like this:
{code}
onRedeliver().to("bean:whenWeRedeliver").to("log:myLogBeforeRedeliver");
{code}
We can also add the predicate and even the thrown exception type to narrow down
when its to be exectued - damm this is advanced
{code}
onRedeliver(IOException.class).to("bean:whenWeRedeliver").to("log:myLogBeforeRedeliver");
{code}
{code}
onRedeliver().when(header("goldcustomer")).to("bean:redeliverGoldCustomer");
{code}
But I guess this stuff might be a bit to advanced and overkill, the general use
case is probably in some cases to be able to do a little custom processing
before we attempt again.
It could also support scopes
- global
- per route
As we do with onException
Then you can have different behavior in different routes.
> Custom processing of Exchange before redelivery using DeadLetterChannel
> -----------------------------------------------------------------------
>
> Key: CAMEL-1234
> URL: https://issues.apache.org/activemq/browse/CAMEL-1234
> Project: Apache Camel
> Issue Type: New Feature
> Components: camel-core
> Affects Versions: 1.5.0
> Reporter: Claus Ibsen
> Assignee: Claus Ibsen
> Fix For: 2.0.0
>
>
> We should provide a out-of-the-box solution to allow end users to do some
> custom processing before DLC is attempting a redelivery on a given endpoint.
> The custom processing should only be executed once per redelivery.
> Using the interceptor solution on the DLC wiki page will kick in for the
> remainder of the routing for redelivered exchanges, forcing end users to keep
> track that they only modify the exchange once per redelivery.
> The custom processing could be a detour route path
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