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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>If you’re not interested in the conflict detection/resolution problem, you can store all the ObjectEvent changes in GME A, then transfer them to B when GME A notifies your plugin of a committed transaction via GlobalEvent. Combined with explicit undo/redo handling in GlobalEvent, your transactions could contain the same set of changes.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>Kevin<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> gme-users-bounces@list.isis.vanderbilt.edu [mailto:gme-users-bounces@list.isis.vanderbilt.edu] <b>On Behalf Of </b>Jae Young Bang<br><b>Sent:</b> Monday, December 05, 2011 6:18 PM<br><b>To:</b> gme-users<br><b>Subject:</b> [gme-users] Mirroring Transactions<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Hello,<o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>I am building a system that has multiple instances of GME (I'm using 9.12.15) on different machines and mirrors the actions made by the users on each others' machines.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>For example, if there were two users A and B, B would see what A does on A's machine such as creating new objects, updating attributes and registries, and removing objects. A and B would eventually have the same model in their local GME instance.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>I first tried to listen to ObjectEvents, transfer them over, and replay the events by developing a plugin that captures ObjectEvents and modifies the MGA model according to the captured ObjectEvents. It works, but it ruins the undo/redo architecture because it does not consider the transaction architecture.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>I figured what I'd ultimately like to do is to grab a transaction when it's completed, transfer it over, and execute the transaction on the other side by putting it in the transactions list.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>What I wonder is how to implement it. It seems like a plugin cannot manipulate transactions as nested transactions are not allowed. When objectEventPerformed is invoked, the plugin is in the middle of a transaction, and the transaction ends after the objectEventPerformed returns.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Would it be possible to do this with a plugin, or would it not be possible to do this with a plugin?<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Thank you very much for your help!<o:p></o:p></p></div><div><div><p class=MsoNormal><o:p> </o:p></p></div><p class=MsoNormal>-- <br>Jae young Bang<o:p></o:p></p></div></div></body></html>