Hi,
I'm implementing a class that implements a known OOo service (actually,
several ones, but the important one is XGrammarChecker). The problem is
that the class is instantiated many times in OOo whenever a UI item is
used, and the instances created do not share data.
So I think I should guarantee that the service is instantiated only once
per OOo instance. As far as I understand, I need to make a singleton
class for this purpose. The docs (if one can call it docs) refer to
writing an IDL spec which is not useful for implementing a known UNO
service, so I think in this case writing IDL is completely superfluous.
All I want from the class is that it's created only once per JVM in OOo
(the code is in Java). What should I do to make my class a one-instance
class? Is it enough to add some registry code to __writeRegistryServiceInfo?
You can find the whole code in our CVS repo:
http://languagetool.cvs.sourceforge.net/languagetool/JLanguageTool/src/java/de/danielnaber/languagetool/openoffice/Main.java?view=markup
Anyway, if there is a better or easier way to share implementation data
of multiple instances, I could use it as well but I think that for
performance purposes, it's wise to have only a single instance of my
service - it's a grammar checker that will be run in the background
thread in Writer, and instantiating the class is somewhat costly.
Thanks for your advice, and best regards,
Marcin
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