anonymous wrote : And then, whenever the id of the object is available in a
context variable or request parameter, we can just inject the correct instance.
Hi Gavin,
i have tried your approach with a ManagedHibernateEntity.
i must learn what the word 'whenever' means:
if the id is not available i get an exception
11:03:13,156 DEBUG org.jboss.seam.Component: instantiating Seam component:
bazProject
| 11:03:13,156 DEBUG org.jboss.seam.Component: initializing new instance of:
bazProject
| 11:03:13,218 DEBUG org.jboss.seam.Component: seam component not found:
bazProjectID
| 11:03:13,234 DEBUG org.hibernate.jdbc.JDBCContext: successfully registered
Synchronization
| java.lang.IllegalArgumentException: id to load is required for loading
| at org.hibernate.event.LoadEvent.<init>(LoadEvent.java:51)
| at org.hibernate.event.LoadEvent.<init>(LoadEvent.java:33)
| at org.hibernate.impl.SessionImpl.get(SessionImpl.java:796)
| at org.hibernate.impl.SessionImpl.get(SessionImpl.java:792)
| at
org.jboss.seam.core.ManagedHibernateEntity.getInstance(ManagedHibernateEntity.java:52)
|
Does it make sense to you to write getInstance in this way?
@Unwrap
| public Object getInstance() throws ClassNotFoundException
| {
| Class clazz = Class.forName(entityClass);
| if (id==null) return null;
| return session.get(clazz, id);
| }
|
Ciao,
Carsten
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