Shouldn't this first be discussed as a public SPI at Java code level, before becoming a ReST end point?
On Tue, Jul 7, 2009 at 1:29 PM, Rickard Öberg<[email protected]> wrote: > Hey, > > One of the main points of having an EventSourced persistence mechanism is so > that several clients can access the list of events that have been done > through a UnitOfWork. I'd like to create a REST resource for this, and I > believe this has been discussed before even. > > My suggestion: > create an Atom feed mounted on (e.g.): > /events > When accessed this generates an Atom feed where each entry is a single > UnitOfWork, which then consists of a number of events: > <feed> > <entry> > <id>cca5ee27-765a-47ee-a030-5d2303a4ca6b-0</id> > <content type="text">{entry content}</content> > </entry> > <entry> > <id>cca5ee27-765a-47ee-a030-5d2303a4ca6b-1</id> > <content type="text">{entry content}</content> > </entry> > <entry> > <id>cca5ee27-765a-47ee-a030-5d2303a4ca6b-2</id> > <content type="text">{entry content}</content> > </entry> > </feed> > > The "id" is that of the unitOfWork. This feed can then be parsed by clients > which can perform operations based on it, such as updating read-stores, > indexes for searching, auditing, store the feed for backups, etc. > > Going to /events will get the latest list of changes, up to say 10 UoW's. To > get older changes one would have to do: > /events?start={some older id} > This link is constructed by the server and is included in the <feed> as a > "previous" link (<link rel="previous" href="events?start={id}"). These links > can be followed by the client until the first set of events is reached. > > There are more issues to be discussed, such as the format of the content > (JSON or XML basically), but does the above seem to be on the right track? > > /Rickard > > > _______________________________________________ > qi4j-dev mailing list > [email protected] > http://lists.ops4j.org/mailman/listinfo/qi4j-dev > -- Niclas Hedhman, Software Developer http://www.qi4j.org - New Energy for Java I live here; http://tinyurl.com/2qq9er I work here; http://tinyurl.com/2ymelc I relax here; http://tinyurl.com/2cgsug _______________________________________________ qi4j-dev mailing list [email protected] http://lists.ops4j.org/mailman/listinfo/qi4j-dev
