Hi Julian! :-) In the meantime I did for once study the JCR spec and figured that the EventIterator passed into onEvent() in itself is just a fine event bundle demarcation. I just reversed the events inside and now I'm good to go.
>only needed and present in Journaled observation -- are you using that? No. But only because I discovered it too late ;-) Cheers, Ingomar Am 07.02.2012 um 19:16 schrieb Julian Reschke: > On 2012-02-06 21:01, Ingomar Otter wrote: >> Hello, >> I am currently building a simple replication between two Jackrabbit >> instances. I've started off using (synchronous) Observers/Events but I am >> facing some challenges due to >> the (intresting?) event order. >> E.g. I add a file (using webdav) I see the following events (in that order): >>> PROPERTY_ADDED,2@4376: /Somefile.png/jcr:content/jcr:data >>> PROPERTY_ADDED,1@4377: /Somefile.png/jcr:content/jcr:mimeType >>> PROPERTY_ADDED,7@4378: /Somefile.png/jcr:content/jcr:primaryType >>> PROPERTY_ADDED,5@4379: /Somefile.png/jcr:content/jcr:lastModified >>> PROPERTY_ADDED,5@4380: /Somefile.png/jcr:created >>> NODE_ADDED@4381: /Somefile.png/jcr:content >>> PROPERTY_ADDED,1@4382: /Somefile.png/jcr:createdBy >>> PROPERTY_ADDED,7@4383: /Somefile.png/jcr:primaryType >>> NODE_ADDED@4384 :/Somefile.png >> >> >> Of course I can not replay the events in that order as some parent nodes may >> be missing. I could re-order them but then this would at least require some >> "unit of work" demarcation as I operate on stream of events (and thus need >> to cluster/chunk) the events. >> Is there a reason why the events are emitted in 'reverse' order (I would >> assume per API the node was created first)? >> Is there a way to influence this? >> >> Afaik PERSIST (event bundling) is work-in-progress in unstable, would that >> be a candidate as Unit-Of-Work marker? > > In the meantime I realized that PERSIST events are not in 2.4.0 (but > probably could be ported), and also that you may not need them; they are > only needed and present in Journaled observation -- are you using that? > > Best regards, Julian >
