I did. ReferenceQueue only places the Reference objects in queue. The object itself has already been garbage collected.
Bill > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] Behalf Of > julien viet > Sent: Friday, July 18, 2003 1:38 PM > To: [EMAIL PROTECTED] > Subject: Re: [JBoss-dev] passivation in finalize > > > Have a look at the ReferenceQueue object : > > <quote> > A java.lang.ref.ReferenceQueue is a simple data structure onto > which the garbage > collector places reference objects when the reference field is > cleared (set to null). > You would use a reference queue to find out when an object > becomes softly, weakly, > or phantomly reachable so your program can take some action based > on that knowledge. > > For example, a program might perform some post-finalization > cleanup processing > that requires an object to be unreachable (such as the > deallocation of resources > outside the Java heap) upon learning that an object has become > phantomly reachable. > </quote> > > > http://developer.java.sun.com/developer/technicalArticles/ALT/RefObj/ > > > > > > > > > > > > > > > > I'm trying to figure out a fix for a deadlock scenario with the cache, > passivation, and the OveragerTask. > > I was thinking. Why do all this work to see if a ctx can be > passivated? It > is just error prone. > > Couldn't we just let the garbage collector decide when to passivate? > Implement EnterpriseContext.finalize to > > 1. passivate the ctx > 2. put the object in the pool. > > The javadocs for finalize state that it is ok for the finalize > method to do > stuff like "making this object available again to other threads". So why > all the hassle? > > What are the drawbacks of this? I can't see any right now. > > Thanks, > > Bill > > XXXXXXXXXXXXXXXX > Bill Burke > Chief Architect > JBoss Group, LLC > XXXXXXXXXXXXXXXX > > > > ------------------------------------------------------- > This SF.net email is sponsored by: VM Ware > With VMware you can run multiple operating systems on a single machine. > WITHOUT REBOOTING! Mix Linux / Windows / Novell virtual machines at the > same time. Free trial click here: http://www.vmware.com/wl/offer/345/0 > _______________________________________________ > JBoss-Development mailing list > [EMAIL PROTECTED] > https://lists.sourceforge.net/lists/listinfo/jboss-development ------------------------------------------------------- This SF.net email is sponsored by: VM Ware With VMware you can run multiple operating systems on a single machine. WITHOUT REBOOTING! Mix Linux / Windows / Novell virtual machines at the same time. Free trial click here: http://www.vmware.com/wl/offer/345/0 _______________________________________________ JBoss-Development mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/jboss-development
