public aspect NodeCoordinate {

    declare             parents: INode implements IBlueprintItem<?>>;

    /** . */
    private ICoordinate INode.coordinate;
    /** if true, the item is locked to the current coordinate. */
    private boolean     INode.locked;

    /** . */
    public ICoordinate INode.getCoordinate() {
        return coordinate;
    }

    public void INode.setCoordinate(ICoordinate aCoordinate) {
        coordinate = aCoordinate;
    }

    public boolean INode.isLocked() {
        return locked;
    }

    public Object INode.getId() {
        return this.getCargo(); // getCargo();
    }

}