Maybe a bit to late.. but any news on it ? If not i will take a look again on this.. Maybe i find a solution..
bye
Am Sonntag, den 26.03.2006, 18:59 +0200 schrieb Stefano Bagnara:
> Norman Maurer wrote:
> >> So store() call is an "insertOrUpdate" function, based on the unique key
> >> of the object (mail.getName()) for that store.
> >
> > So the override is a workaround or not ?
>
> I don't understand the question.
> The correct behaviour is to write a new entry the first time and to
> update the same entry at following calls to store() for a Mail with the
> same name (key).
>
> >> To do that you should probably store the message, keep in memory its MD5
> >> and its userkey ("key1"). When I retrieve a message you should lookup
> >> both MD5s and userKeys. When I store a message you should check wether
> >> the userKey already exists and update the MD5 according to message changes.
> >
> > So the message must be retrievable by md5 and by the name ? Im right?
>
> The message must be retrievable by name (key). The problem is that the
> key is not always the md5 because the *user* generates the key for new
> messages. So the easiest way is to keep in memory association between
> keys (names) and md5.
>
> >> This is not easy: if you don't want to rehash the whole repository at
> >> each operation you probably should create an md5->messagenumber cache
> >> and hope the message numbers are not too volatile. Then you start trying
> >> with the cached messagenumber, retrieve it, verify the md5 is the one
> >> you expected, if so you can continue otherwise you have to rehash the
> >> whole repository and clean caches.
> >
> > Can you give me a tip howto create such a cache ?
>
> Lack of time now, sorry.
>
> >> Not sure if this feature worth the work right now (it won't be fast
> >> anyway, and it won't support multiple identical messages in the same store)
> >
> > IS there a need for identical messages in the store ? Cause i create the
> > md5 with the whole message (headers to), the messages should be not
> > identical anyway..
>
> If you clone a Mail and simply change its name and call the store()
> method on the same repository you just should have 2 identical mails in
> the repository with only the name different. Please note that the mail
> name is not contained in the mimemessage source (not an header).
>
> I currently have not investigated on when/how this could be a problem.
>
> Stefano
>
>
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