johnpoth commented on PR #15496:
URL: https://github.com/apache/camel/pull/15496#issuecomment-2348408770
@davsclaus IMO we would need a new SPI for `ThreadPoolFactory` in Camel to
allow us to grab the current Exchange the Thread is running on. This would
allow camel-opentelemetry to do something like this before every thread:
```
@Override
public Future<?> submit(Runnable task, Exchange exchange) {
Context context =
exchange.getProperty(ExchangePropertyKey.ACTIVE_SPAN,
io.opentelemetry.context.Context.Context.class)
return delegate().submit(context.wrap(task));
}
```
That way, other libraries in the Thread know what context to grab. Most
libraries do a Context.current() which relies on ThreadLocal storage...
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