question about refresh

sagimann · **Joined:** Sun Jun 11, 2006 10:41 am **Posts:** 164

Hi all,
Do I need to call evict before every call to refresh? I've noticed that otherwise, refresh doesn't do anything...

thanks.

ps. I'm using hib3.1

srigold · **Joined:** Mon Nov 29, 2004 5:34 pm **Posts:** 35

Hi,

I am not getting your requirement clearly.

but you use evict for

<--Text from Hibernate docs

Quote:

Whenever you pass an object to save(), update() or saveOrUpdate() and whenever you retrieve an object using load(), get(), list(), iterate() or scroll(), that object is added to the internal cache of the Session.

When flush() is subsequently called, the state of that object will be synchronized with the database. If you do not want this synchronization to occur or if you are processing a huge number of objects and need to manage memory efficiently, the evict() method may be used to remove the object and its collections from the first-level cache.

-->

evict is to remove object from first level cache. Are you try to do that?

andresgr · **Posted:** Thu Oct 26, 2006 5:41 am

Hi.

I've tried session.refresh() and it works OK by itself (without calling evict()).

Check "automatic" session flushing before some SQL queries is not confusing you...

By the way, my hibernate.cfg.xml:

...

<property name="current_session_context_class">thread</property>


<property name="cache.provider_class">org.hibernate.cache.NoCacheProvider</property>

...

Hope this helps...

sagimann · **Joined:** Sun Jun 11, 2006 10:41 am **Posts:** 164

I've written a response and it's gone.. Anyway, I'll try to be a bit more specific about my problem:

I keep refreshing a Server object, which has a <map> collection of Component objects. Each component has a unique name, which is used as the map key. However, this is NOT the component id.

If I change the NAME of a component outside my app:
comp.setName("new name")
And later on, then I refresh the Server in my app:
session.refresh(server)
This is what I see in the server's component map:
OLD name=reference to component with the NEW name

Doesn't matter what I do - I cannot get the collection to change the mapping from "OLD name" to "NEW name"...

Any ideas??