A tree node for "task objects" associated with an allocation.
Overrides the UITreeNode loadChildren, toString and isLeaf
methods to dynamically display the objects which have no children.
Return the representation of the task objects in a tree.
This is a list of asset names, and for physical objects,
the serial number, if specified.
asset names followed by optional serial numbers
Fields inherited from org.cougaar.mlm.debug.ui.UITreeNode