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Is service.pid required ? [message #96351]

Mon, 03 September 2007 04:16

Eclipse User

Originally posted by: and.orra.yahoo.com

When I register a service via OSGi, I noticed that I can forgo adding the service.pid property.

In the spec it says:

<pre>
The purpose of a Persistent Identifier (PID) is to identify a service across Framework restarts.
</pre>

Under what use cases would you register services without a service.pid ?

Thanks

Meseret

Re: Is service.pid required ? [message #96365 is a reply to message #96351]

Mon, 03 September 2007 04:51

Eclipse User

Originally posted by: alex_blewitt.yahoo.com

You don't need it if you're always going to acquire/provide the service based on interface type. However, when you've got a situation where you may have many runs and need persistent data to be stored (say, in a DB) then you might want to use a consistent ID between restarts to maintain the same link to the data.

Alex.

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