Ctor that assumes node cannot have children.
Parameters: session - Current session. Parameters: dbinfo - Describes this object in the database. throws: IllegalArgumentException - Thrown if nullISession orIDatabaseObjectInfo passed.
Adds an expander to this node.
Parameters: value - New INodeExpander for this node. throws: IllegalArgumentException - Thrown if a nullINodeExpander passed.
Return the expanders for this node. Remember that these are in addition
to the standard expanders stored in the object tree model. Normally
this would be empty.
The INodeExpander objects for this node.