public void removeReferencedElement(ModelElement x) throws PropertyVetoException { if (_referencedElement == null) return; fireVetoableChange("referencedElement", _referencedElement, x); _referencedElement.removeElement(x); }
public void addReferencedElement(ModelElement x) throws PropertyVetoException { if (_referencedElement == null) _referencedElement = new Vector(); fireVetoableChange("referencedElement", _referencedElement, x); _referencedElement.addElement(x); }