1. hibernate session.evict coderanch.com |
2. Session.evict vs Session.clear best practice forum.hibernate.orgHi, I have an application with a fairly complex domain model. For the most part, persistence is straightforward but I have come across a few cases where I need to evict objects from the Persistence Context. An example of this might be where a client app is supplying a remove request to a business service: Code: @Transactional public void removeFoo (final ... |
3. difference between session.evict() and session.clear() forum.hibernate.org |
4. Can't evict an object from the Session forum.hibernate.orgThanks for the advice. Debugger showed eviction was ok we just happened to (re)load the entity after evicting it. By the way. does rel 2.1 take into account HB-291 ( Select for update using a query.setLockMode(null, LockMode.UPGRADE) doesn"t work for Oracle. the key word OF gets add to the query). Last thing (if I may) does rel 2.1 solve the 1+n ... |
5. LazyInitializationException when session.evict forum.hibernate.orgI'm using jdk1.3.1_09 with Hibernate 2.1.2. I'm getting the following exception when I'm working with a collection were the parent object has been evicted. LazyInitializationException:? - Failed to lazily initialize a collection - no session or session was closed The problem with this is that if I'm going to work with lazy initialization I can't evict the objects. Lazy Initialization is ... |
6. How does Session.evict() work? forum.hibernate.orgAuthor Message listopad Post subject: How does Session.evict() work? Posted: Fri Jun 11, 2004 9:52 am Newbie Joined: Mon Jan 12, 2004 7:05 am Posts: 16 I have tried to use the evict and lock function to use objects in different sessions. and found some strange exceptions. Here are my two tests, one with collection and another with persistent ... |
7. session.evict generates update statements! forum.hibernate.orgI'm trying to evict objects from the session cache. I have a Folder and a FolderVersion entity. Both are proxied (lazy=true attribute in the |
8. Problem (bug?) with evict and 2 sessions forum.hibernate.orgHello, using version 2.1.8 I encounter the following problem, which I think it might be a bug: Code: public void testSessionEvict() throws Exception { Session s1 = sessionFactory.openSession(); Session s2 = sessionFactory.openSession(); TargetPortfolio tp = (TargetPortfolio)s1.load(TargetPortfolio.class, new Long(1)); s1.clear(); s2.lock(tp, LockMode.NONE); I tried with s1.clear() and s1.evict(tp), same result. If s1.close() is called there is no problem. The s2.lock() results in: ... |
9. session.clear() or evict() for all InstancesOf forum.hibernate.orgfor ( int i=0; i<100000; i++ ) { Customer customer = new Customer(.....); session.save(customer); if ( i % 20 == 0 ) { //20, same as the JDBC batch size //flush a batch of inserts and release memory: session.flush(); ... |
10. org.hibernate .SessionFactory.evict(... ) forum.hibernate.orgVlad, That method removes from the 2L cache only the object identified by the id parameter. If that object references others, the gc wil take them (including the evicted object). Any way you don't have to worry, if you can reference any of those objects (usually) you could still use them. If you cant (usually) the gc will take care of ... |