Re: [Wrapper-user] inform dependent services about restart and shutdown

[Hubert F. <hub...@ab...>]

Leif,

< Not currently

Yes, I supposed so. 

Just a tought: Could one use the anchor files for that? The names of
the anchor files would have to follow some rules, to be able to find
them from a service name. On startup, wrapper could figure out the
dependencies and the belonging anchor files. If one or more of them is
deleted or changes date (restart), that would mean either a shutdown or
a restart of a dependent service. Wrapper could inform the service about
this issue an let the service decide to either shutdown too or request a
restart. Or maybe just define a list of anchor files  the wrapper should
watch for changes?

just my two cents.

Regards
Hubert

>>> Leif Mortenson <le...@ta...> 30.01.2007 19:45 >>>
Hubert,
Not currently.  This is something that I need to find a way to get 
implemented.

 From within Java, you can control the services if you know what they 
are.  Look
at the WrapperManager.getJVMId() method.  If it returns a value > 1
then you
know the JVM has been restarted since the Wrapper was launched.

In that event, you can use the WrapperManger.sendServiceControlCode
method
to STOP and then START the dependent services.  This will only work if

you know
what they are.

Cheers,
Leif

Hubert Felber wrote:
> Hello,
>
> If the wrapper has to restart a service, is there a way to inform
the
> dependent services about this? Services that depend on others might
have
> connections or resources which become invalid after restart or
shutdown
> of a "parent" service.
>
> hub
>   


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