I have been looking for documentation that explains more detailed
information on how Services are implemented but I have not found any.
Does anybody know where some good documentation can be located?
Questions outstanding are:
Are Services singletons? (i.e. does everyone that uses a Service share
the same underlying object?) Or does a new Singleton get created for
each Page in the page pool?
Do Services exist for the lifetime of the web application or if nobody
is using them do they eventually get garbage collected? (kinda of a
secondary question to above)
Can Services use other Services?
Do services pick up aspects of the calling Page to allow the injection
of Messages and ASO? Or do they have to be passed into any methods the
Page calls of the Service?
These are just a few of my outstanding questions. It is hard to figure
out how to port parts of my previous Struts/Tiles web applications
when I cannot make the design decisions due to lack of information so
if anyone can point me in more detailed design information of Services
and/or answer the above questions I would appreciate it.
Thanks in advance,
Keith
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