Android Open Source - CalWatch Cl Variable

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License

The source code is released under:

GNU General Public License

Java Source Code

// $Id: ClVariable.java,v 1.12 1999/04/20 00:26:45 gjb Exp $
////w  w  w.  jav a 2s .co  m
// 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
//
// ClVariable

package EDU.Washington.grad.gjb.cassowary;

import java.util.*;

public class ClVariable extends ClAbstractVariable
{

  public ClVariable(String name, double value)
    {
      super(name);
      _value = value;
      if (_ourVarMap != null) {
        _ourVarMap.put(name,this);
      }
    }

  public ClVariable(String name)
    {
      super(name);
      _value = 0.0;
      if (_ourVarMap != null) {
        _ourVarMap.put(name,this);
      }
    }

  public ClVariable(double value)
    {
      _value = value;
    }

  public ClVariable()
    {
      _value = 0.0;
    }

 
  public ClVariable(long number, String prefix, double value )
    {
      super(number,prefix);
      _value = value;
    }

  public ClVariable(long number, String prefix )
    {
      super(number,prefix);
      _value = 0.0;
    }

  public boolean isDummy()
    { return false; }

  public boolean isExternal()
    { return true; }

  public boolean isPivotable()
    { return false; }

  public boolean isRestricted()
    { return false; }

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

  // change the value held -- should *not* use this if the variable is
  // in a solver -- instead use addEditVar() and suggestValue() interface
  public final double value()
    { return _value; }

  public final void set_value(double value)
    { _value = value; }

  // permit overriding in subclasses in case something needs to be
  // done when the value is changed by the solver
  // may be called when the value hasn't actually changed -- just 
  // means the solver is setting the external variable
  public void change_value(double value)
    { _value = value; }

  public void setAttachedObject(Object o)
    { _attachedObject = o; }

  public Object getAttachedObject()
    { return _attachedObject; }

  public static void setVarMap(Hashtable map)
  { _ourVarMap = map; }

  public static Hashtable getVarMap()
  { return _ourVarMap; }

  private static Hashtable _ourVarMap;

  private double _value;

  private Object _attachedObject;

}

Java Source Code List

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