| Re: [eclipselink-users] disabling and enabling a customizer |
I would not recommend dynamically changing mappings. Either handle the functionality in your application/data access layer, or perhaps use Descriptor events. Vamsee Lakamsani wrote: > > I used Shaun's blog tip to filter an association using a customizer > (thanks > Shaun). > http://onpersistence.blogspot.com/2008/01/customizing-eclipselink-jpaorm.html > > As the next step I want to enable and disable this customizer > programmatically. The use case is the following: > > - three entities: Schedule, ScheduleVersion and Event > - Schedule has many ScheduleVersion(s) and each ScheduleVersion has > many > Event(s). > - When I query for a Schedule, I only want to see the latest version of > the Event list (filtering customizer works great here). > - When I delete a Schedule, sometimes I want to delete just the latest > version and sometimes all the versions (here I was thinking may be > disable > the customizer and reload/delete the Schedule and re-enable the > customizer > programmatically). > > Is there another way? > > thanks > > ----- http://wiki.eclipse.org/User:James.sutherland.oracle.com James Sutherland http://www.eclipse.org/eclipselink/ EclipseLink , http://www.oracle.com/technology/products/ias/toplink/ TopLink Wiki: http://wiki.eclipse.org/EclipseLink EclipseLink , http://wiki.oracle.com/page/TopLink TopLink Forums: http://forums.oracle.com/forums/forum.jspa?forumID=48 TopLink , http://www.nabble.com/EclipseLink-f26430.html EclipseLink Book: http://en.wikibooks.org/wiki/Java_Persistence Java Persistence -- View this message in context: http://www.nabble.com/disabling-and-enabling-a-customizer-tp24266692p24275467.html Sent from the EclipseLink - Users mailing list archive at Nabble.com.