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https://issues.apache.org/activemq/browse/CAMEL-2563?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=58459#action_58459
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Jim Talbut commented on CAMEL-2563:
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@Claus,
I've added a setDefaultTracer to CamelContext, so you can create your own
Tracer in Spring, set properties on it and then set is as the default.
However I think what you are suggesting is the creation of a separate object to
do the tracing, so a tracing singleton can be set up in Spring and all the
trace calls go via it.
I'm happy to do that if that's what you mean.
What are your thoughts on the complications of filtering by node?
> The Trace mechanism is inflexible and inefficient - specifically it doesn't
> enable custom tracing around a node.
> ----------------------------------------------------------------------------------------------------------------
>
> Key: CAMEL-2563
> URL: https://issues.apache.org/activemq/browse/CAMEL-2563
> Project: Apache Camel
> Issue Type: Improvement
> Components: camel-core
> Affects Versions: 2.3.0
> Environment: All.
> Reporter: Jim Talbut
> Priority: Minor
> Fix For: Future
>
> Attachments: tracechanges.diff, tracechanges.diff
>
> Original Estimate: 2 days
> Remaining Estimate: 2 days
>
> What it won't let me do:
> I want to be able to correlate the "out" trace with the "in" trace, in one
> database row without commiting the row until the route has completed.
> This requires a JPA transaction to exist around each of the nodes that are
> called.
> I'm finding that the transaction has ended by the time of the "out" trace.
> Inefficiencies:
> 1. It causes the construction of the new Exchange object and a bunch of
> String objects that I don't want.
> 2. It causes the invocation of a new route, that is unnecessary.
> I think it would be better to:
> 1. Pass the class to use as the TraceInterceptor into Tracer.
> 2. Break the existing TraceInterceptor into two, a base class that tracks the
> RouteNodes and a subclass that implements traceExchange.
> 3. Change traceExchange so that it returns an Object and pass that Object in
> to the call to traceExchange for "out" traces.
> 4. Give the Tracer a payload object that can be used to pass information to
> the TraceInterceptor.
> 5. Change the various trace* functions to take in and return a payload Object.
> Custom users could then dervice from TraceInterceptor and override the trace*
> functions as necessary (probably just traceExchange).
> I'm working on a patch.
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