[DS-864] Added and clarified javadoc.

git-svn-id: http://scm.dspace.org/svn/repo/dspace/trunk@6281 9c30dcfa-912a-0410-8fc2-9e0234be79fd

dspace-api/src/main/java/org/dspace/content/Bitstream.java

@@ -684,7 +684,13 @@ public class Bitstream extends DSpaceObject
     public int getStoreNumber() {
         return bRow.getIntColumn("store_number");
     }
-    
+
+    /**
+     * Get the parent object of a bitstream. It can either be an item if this is a normal 
+     * bitstream, otherwise it could be a collection or a community if it is a logo.     
+     * @return
+     * @throws SQLException
+     */    
     public DSpaceObject getParentObject() throws SQLException
     {
         Bundle[] bundles = getBundles();