/** Reads the arrow tip from a StorableInput. */
public void read(StorableInput dr) throws IOException {
super.read(dr);
fLocator = (Locator) dr.readStorable();
}
/** Stores the arrow tip to a StorableOutput. */
public void write(StorableOutput dw) {
super.write(dw);
dw.writeStorable(fLocator);
}