ClDummyVariable.java

// $Id$
//
// Cassowary Incremental Constraint Solver
// Original Smalltalk Implementation by Alan Borning
// This Java Implementation by Greg J. Badros, <gjb@cs.washington.edu>
// http://www.cs.washington.edu/homes/gjb
// (C) 1998, 1999 Greg J. Badros and Alan Borning
// See ../LICENSE for legal details regarding this software
//
// ClDummyVariable
// 

package EDU.Washington.grad.gjb.cassowary;

class ClDummyVariable extends ClAbstractVariable
{
  // friend ClTableau;
  // friend ClSimplexSolver;

  public ClDummyVariable(String name)
    {
      super(name);
    }

  public ClDummyVariable()
    { }
  
  public ClDummyVariable(long number, String prefix)
    {
      super(number,prefix);
    }

  public String toString()
    { return "[" + name() + ":dummy]"; }

  public boolean isDummy()
    { return true; }

  public boolean isExternal()
    { return false; }

  public boolean isPivotable()
    { return false; }

  public boolean isRestricted()
    { return true; }

}