Claus Ibsen created CAMEL-25141:
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Summary: camel-core - interceptSendToEndpoint: only intercept the
sends of the routes the interceptor is defined for
Key: CAMEL-25141
URL: https://issues.apache.org/jira/browse/CAMEL-25141
Project: Camel
Issue Type: Improvement
Components: camel-core
Reporter: Claus Ibsen
The docs describe interceptors as scoped: an interceptor in a RouteBuilder
applies to the routes of that RouteBuilder, and one in a route configuration
applies to the routes that use that configuration. intercept() and
interceptFrom() work like that, as they are woven into the routes.
interceptSendToEndpoint does not. It works by wrapping the endpoint, so every
send to the endpoint is intercepted, whoever sends:
* routes from other RouteBuilders that send to the same endpoint (and have no
interceptor of their own for it)
* a ProducerTemplate / FluentProducerTemplate
* dynamic sends (toD, recipientList, routingSlip, enrich) from any route
With CAMEL-25140 each route registers its own interceptor on the wrapped
endpoint, and a send uses the interceptor of the sending route. When the
sending route has none (or the send is not from a route), the interceptor of
the first route that registered one is used. This keeps the behaviour of today,
where the one interceptor that wrapped the endpoint applied to all sends.
h3. Proposal
Only intercept the sends of the routes the interceptor is defined for, which
matches the docs and the other interceptors. A send from another route or from
a ProducerTemplate would then go to the endpoint as-is.
h3. Things to decide
* This is a behaviour change for users that rely on the global effect (such as
intercepting sends from a ProducerTemplate in tests, or from routes in another
RouteBuilder). Options: change the default and document it in the upgrade
guide, or make it an option (such as a global/scope setting on
interceptSendToEndpoint) with the current behaviour as the default for a while.
* Sends from within the interceptor itself, and from onException / onCompletion
of the route, should count as the route.
* How it relates to mockEndpoints / adviceWith, which are meant to be global
(they are not route interceptors and are not affected).
* Kamelets and route templates: the routes created from them get the
interceptors of their RouteBuilder or route configuration as today.
Depends on CAMEL-25140, which makes the interceptors per route.
_Claude Code on behalf of davsclaus_
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