Hello,
I have a Blob database column which gives the following in my class
object:
public virtual byte[] Body { get; set; }
And the following in my NHibernate mapping file:
<property name="Body" column="BODY" lazy="true"/>
NOTE: I am using NHibernate v3.0 A2 to get the property lazy loading.
The lazy loading works fine. I don't get the Blob content until I
call my obj.Body. If I do another obj.Body call, I see that
NHibernate simply returns what it has stored in memory since it
already got it once and does not go back to the database to get it a
second time. My problem is that I do not want to keep all the byte[]
content around. I might do a search and get 50 records. If the user
goes to view all 50, then I will have 50 byte[] objects in memory,
that is if I didn't crash first from running out of memory. What I
want to be able to do is "reset" the obj.Body object (byte[]) after it
is retrieved so that it no longer is in memory. If the user chooses
to see that content again, the obj.Body call will go back to the
database for the content.
I tried to set the byte[] to null as well as to a 0 length array after
I used it, but I would either get an error (when using the null) or
just get back a 0 length array when I called obj.Body again.
Is there a way to do something to the object to remove its value from
memory so NHibernate doesn't think it retrieved the content yet?
Any thoughts would be greatlty appreciated.
Thanks - Peter
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