export supervision tools in Act trait, and other review fixes
- add more cross references to ActorDSL docs - improve SBT command line for running the multi-node test - correct small error in Restart Hooks section of actors.rst
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@ -200,8 +200,9 @@ Restart Hooks
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-------------
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All actors are supervised, i.e. linked to another actor with a fault
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handling strategy. Actors will be restarted in case an exception is thrown while
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processing a message. This restart involves the hooks mentioned above:
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handling strategy. Actors may be restarted in case an exception is thrown while
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processing a message (see :ref:`supervision`). This restart involves the hooks
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mentioned above:
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1. The old actor is informed by calling :meth:`preRestart` with the exception
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which caused the restart and the message which triggered that exception; the
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