Examples of com.exigen.ie.constrainer.Observer

com.exigen.ie.constrainer.Observer
An abstract class for the observer in the observer-subject (or subscriber-publisher) design pattern.

        constrainer().addUndo(UndoBits.getUndo(_bits,value));
      }
    }


    // attach observers
    Observer value_observer = new AllDiffObserver();
    Observer minmax_observer = new AllDiffMinMaxObserver();
    for(int i=0; i<size; i++)
    {
      IntExp vari = (IntExp)_intvars.elementAt(i);
      vari.attachObserver(value_observer);
    }

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    FastVector observers = _observers;
    _constrainer.incrementNumberOfNotifications();
    int size = observers.size();
    for(int i=0; i < size ; ++i)
    {
      Observer observer = (Observer)observers.elementAt(i);
      if (observer.interestedIn(interest))
      {
//        Debug.on(); Debug.print("Observer "+i+": "+observer);Debug.off();
        observer.update(this,interest);
      }
    }
    interest.free();
  }

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  {
    HashSet dependendts = new HashSet();


    for (int i = 0; i < _observers.size(); ++i)
    {
      Observer obs = (Observer) _observers.elementAt(i);
      Object master = obs.master();


      if (master == null)
        continue;


      if (dependendts.contains(master))

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        _bit_var.removeValue(value);
      }
    }


    // attach observers
    Observer value_observer = new AllDiffObserver();
    for(int i=0; i<size; i++)
    {
      IntExp vari = (IntExp)_intvars.elementAt(i);
      vari.attachObserver(value_observer);
    }

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Related Classes of com.exigen.ie.constrainer.Observer

com.exigen.ie.constrainer.impl.ConstraintAllDiff

com.exigen.ie.constrainer.impl.ConstraintAllDiff2

com.exigen.ie.constrainer.impl.SubjectImpl

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