DevForce Community Forum : Background thread and PersistenceManager http://www.ideablade.com/forum/ This is an XML content feed of; DevForce Community Forum : DevForce Classic : Background thread and PersistenceManager Sun, 12 Apr 2026 23:35:17 -700 Thu, 01 May 2008 08:12:52 -700 http://blogs.law.harvard.edu/tech/rss Web Wiz Forums 9.69 360 www.ideablade.com/forum/RSS_post_feed.asp?TID=791 DevForce Community Forum http://www.ideablade.com/forum/forum_images/IdeaBlade_logo_tm.png http://www.ideablade.com/forum/ Background thread and PersistenceManager : "Each GetEntitiesAsync method... http://www.ideablade.com/forum/forum_posts.asp?TID=791&PID=2916#2916 Author: f3rland
Subject: 791
Posted: 01-May-2008 at 8:12am

"Each GetEntitiesAsync method runs the query asynchronously per the specified strategy and updates the PersistenceManager with retrieved entities. The second overload (a "Timer-Triggered" query) performs the query repeatedly at the millisecond intervals specified in the TimerInteval parameter. "

Search for "GetEntitiesAsync" in the Developers Guide. I think this will be easier to implement. One line of code and your cache will be automatically updated at specified interval. No mess with thread and/or cross-thread errors, persistencemanager merging, etc.

Thumbs%20Up to GetEntitiesAsync!!
]]> Thu, 01 May 2008 08:12:52 -700 http://www.ideablade.com/forum/forum_posts.asp?TID=791&PID=2916#2916 Background thread and PersistenceManager : I'd use two different Persistence... http://www.ideablade.com/forum/forum_posts.asp?TID=791&PID=2902#2902 Author: davidklitzke
Subject: 791
Posted: 29-Apr-2008 at 3:58pm

I'd use two different Persistence Managers, each with their own cache. 

]]> Tue, 29 Apr 2008 15:58:29 -700 http://www.ideablade.com/forum/forum_posts.asp?TID=791&PID=2902#2902 Background thread and PersistenceManager : In my app, I want to have a background... http://www.ideablade.com/forum/forum_posts.asp?TID=791&PID=2901#2901 Author: BillG
Subject: 791
Posted: 29-Apr-2008 at 1:07pm

In my app, I want to have a background worker that just looks at the memos table in the database and sees if any new memos have been sent to the current logged in user.  If there is, it's going to alert the user that a new memo has arrived.
 
Is it ok to use the default PersistenceManager for this or should I create a new PersistenceManager for the background worker?  There will never be any relationship between them or need to share data between them.
 
the sole purpose of the thread is just to monitors memos being inserted into the Memo table.
 
Bill
 
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