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The DSL should support both cron and non cron based, eg Quartz, Spring (spring 3 has cron) and regular JDK timers.

Up-to-date Scala DSL

Done in Camel 2.11

The Scala DSL is slightly out of date as we have improved the DSL a bit here and there. We should check the gap and ensure the Scala is up-to-date.

Advanced Scala support

-1: claus

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In favor of the xxx option, we should remove the duplicated xxxRef options from our components. This make our code and documentation more lean. We should deprecate it as soon as possible and remove it in Camel 3.0.

Less Spring dependencies

DONE in Camel 2.9

In camel-core we use the Spring JMX annotations to more easily enlist our MBeans. We should move that logic to camel-spring. And introduce a Camel specific annotations to replace those. For example ActiveMQ does that. This allows us to use camel-core with JMX without any spring JARs at all. End users can still use the Spring JMX annotations in their custom code / components. They just need camel-spring on the classpath.

Likewise we should move the ResourceEndpoint from camel-spring to camel-core. This ensures that resource loading on classpath works with Camel as we can leverage the ClassResolver. For example OSGi blueprint does not work with the Spring ResourceEndpoint. Also this ensures the components that uses ResourceEndpoint will no longer be dependent on Spring.

Then we are down to have Spring JAR dependency in: camel-jms and camel-mail.

Introduce Camel JMX annotations

DONE in Camel 2.9

See above about less Spring dependency.

Refactor UnitOfWork

The implementation of DefaultUnitOfWork seems to have transformed itself into a to broad concern where unit of work is doing a bit more work than the transactional aspect that ties to its name.
Maybe this implementation should be named ExchangeContext and we can introduce a simpler UnitOfWork concept. This would also allow us to refactor the SubUnitOfWork into a general parent/child unit of work concept.
However this requires API changes and thus is best kept for Camel 3.0

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