tag:www.nabble.com,2006:forum-2361 2006-04-03T14:01:02Z tag:www.nabble.com,2006:post-3732656 2006-04-03T14:01:02Z 2006-04-03T14:01:02Z Travis R <div style="direction: ltr;">I tried to write a unit test that puts ten Integer objects (0 - 9) into a space, and then create a second space with the same destination, but with a filter to only get values &gt; 5, but after doing some reading, it looks like the selector's in JMS are based on the Message headers, not the body.&nbsp; So <span id="st" name="st" class="st">ActiveSpace</span> probably needs a way to set headers (or call them attributes) on an object. Or I could be missing something that is already there? <br></div><span class="sg"><br>Travis<br><br></span> tag:www.nabble.com,2006:post-3721191 2006-04-03T01:35:08Z 2006-04-03T01:35:08Z James.Strachan Yes - try the one in CVS :) <br><br>The default implementation sits on top of any JMS provider. <br><br>James tag:www.nabble.com,2006:post-3476993 2006-03-18T17:21:33Z 2006-03-18T17:21:33Z Travis R So is there an ActiveSpace implementation yet?&nbsp; Sounds like an interesting project.<br><br>Travis<br><br>