Index: lams_tool_nb/src/java/org/lamsfoundation/lams/tool/noticeboard/service/INoticeboardService.java
===================================================================
diff -u -re084d49e43c81e875178a992dee01df5c9ba77fc -r4bbf4b438e926db9a31adcd62505872d10b321ce
--- lams_tool_nb/src/java/org/lamsfoundation/lams/tool/noticeboard/service/INoticeboardService.java	(.../INoticeboardService.java)	(revision e084d49e43c81e875178a992dee01df5c9ba77fc)
+++ lams_tool_nb/src/java/org/lamsfoundation/lams/tool/noticeboard/service/INoticeboardService.java	(.../INoticeboardService.java)	(revision 4bbf4b438e926db9a31adcd62505872d10b321ce)
@@ -174,6 +174,17 @@
 	 */
 	public NoticeboardUser retrieveNoticeboardUser(Long nbUserId);
 	
+	/**
+	 * <p> Return the persistent instance of a NoticeboardUser
+	 * who has the user id <code>userId</code> and tool session id
+	 * <code>sessionId</code>
+	 * returns null if not found.</p>
+	 * 
+	 * @param userId. The id of the learner
+	 * @param sessionId. The tool session id to which this user belongs to.
+	 * @return the persistent instance of a NoticeboardUser or null if not found.
+	 */
+	public NoticeboardUser retrieveNbUserBySession(Long userId, Long sessionId);
 	
 	/**
 	 * Persists the new NoticeboardUser object into the database.
Index: lams_tool_nb/src/java/org/lamsfoundation/lams/tool/noticeboard/service/NoticeboardServicePOJO.java
===================================================================
diff -u -r2faaa8eff65594c4626bbcde2861ea6407fdea46 -r4bbf4b438e926db9a31adcd62505872d10b321ce
--- lams_tool_nb/src/java/org/lamsfoundation/lams/tool/noticeboard/service/NoticeboardServicePOJO.java	(.../NoticeboardServicePOJO.java)	(revision 2faaa8eff65594c4626bbcde2861ea6407fdea46)
+++ lams_tool_nb/src/java/org/lamsfoundation/lams/tool/noticeboard/service/NoticeboardServicePOJO.java	(.../NoticeboardServicePOJO.java)	(revision 4bbf4b438e926db9a31adcd62505872d10b321ce)
@@ -472,6 +472,22 @@
 		}
 	}
 	
+	/** org.lamsfoundation.lams.tool.noticeboard.service.INoticeboardService#retrieveNbUserBySession(java.lang.Long, java.lang.Long) */
+	public NoticeboardUser retrieveNbUserBySession(Long userId, Long sessionId)
+	{
+		try
+		{
+		  nbUser = nbUserDAO.getNbUserBySession(userId, sessionId);
+		}
+		catch (DataAccessException e)
+		{
+			throw new NbApplicationException("EXCEPTION: An exception has occurred while trying to retrive the noticeboard user object: "
+					+ e.getMessage(), e);
+		}
+		
+		return nbUser;
+	}
+	
 	/**
 	 * @see org.lamsfoundation.lams.tool.noticeboard.service.INoticeboardService#updateNoticeboardUser(org.lamsfoundation.lams.tool.noticeboard.NoticeboardUser)
 	 */