| Re: Re[eclipselink-users] adOnly embedded primary key ? |
It should be possible using the updateable/insertable=false. Perhaps include your code, and the exception and stack trace. xcallejas wrote: > > > Hi, > > Can I have a embedded primary key just for read only? I need to have the > fields of the composite primarity to be written in the entity not in the > primary key. > > Why? because I need to know (without query to the database) if the entity > is a > new entity (primary key instace is null) or if it exist in the database > already. > > I have updatable = false, insertable = false in the fields of the primary > key > embedded class, I have also declared the class as @ReadOnly, but when I > try to > persist the entity it says that the field "ClientID" (part of the > composite > primary key) cannot be NULL, but it is not null in the "Client" field in > the > entity instance. > > Thanks in advance. > xavier. > > ----- 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/ReadOnly-embedded-primary-key---tp25810402p25892313.html Sent from the EclipseLink - Users mailing list archive at Nabble.com.