// ObservableBool.java
//
// implements flag to say when the contract has been decided upon
// much stolen directly from "Using Java" by the Sun User Group

import java.util.*;

public class ObservableBool extends Observable {
  boolean status;

  ObservableBool() { status = false; }
  ObservableBool (boolean s) { status = s; }

  public void setValue (boolean s) {
    if (status != s) {
      status = s;
      setChanged();
      notifyObservers();
    }
  }

  public boolean getValue () { return status; }
}