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Posted to issues@camel.apache.org by "Guillaume Nodet (JIRA)" <ji...@apache.org> on 2018/08/30 08:31:00 UTC

[jira] [Created] (CAMEL-12765) Improve service lifecycle semantics

Guillaume Nodet created CAMEL-12765:
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             Summary: Improve service lifecycle semantics
                 Key: CAMEL-12765
                 URL: https://issues.apache.org/jira/browse/CAMEL-12765
             Project: Camel
          Issue Type: Improvement
            Reporter: Guillaume Nodet


While working on camel-core, I found out that the service lifecycle definition and implementation is big dodgy.
In particular:
  * the state is kept using multiple AtomicBoolean instead of a single field
  * possible thread safety issues as status changes are not synchronized
  * incoherence between javadoc and implementation (for example a shut down service is not supposed to be started again)
  * not very clear semantic differences between suspended / stopped / shutdown

There are some incoherences: for example stopping the camel context does shutdown child services, but those are started again if the context is started.




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