codon.java

经典的货郎担问题解决办法

/*
** This code was written by Kent Paul Dolan.  See accompanying file
** TravellerDoc.html for status for your use.
*/

package com.well.www.user.xanthian.java.genetic;

import com.coyotegulch.tools.*;
import com.coyotegulch.genetic.*;

import com.well.www.user.xanthian.java.structures.*;
import com.well.www.user.xanthian.java.tools.*;
import com.well.www.user.xanthian.java.ui.*;

public class Codon extends Object implements Sortable, Cloneable
{
  private Integer m_datum = null;

/*
  public Object clone()
  {
    return ( (Object) ((Codon)this).clone() );
  }
*/

  public String toString()
  {
    if ( this.m_datum == null )
    {
      return new String( "(null Codon)" );
    }
    else
    {
      return this.m_datum.toString();
    }
  }

  public int compareTo( Object that )
  {

    if ( this.get() < ((Codon)that).get() )
    {
      return Sortable.THIS_LESS_THAN;
    }

    if ( this.get() > ((Codon)that).get() )
    {
      return Sortable.THIS_GREATER_THAN;
    }

    return Sortable.THIS_EQUAL_TO;

  }

  public void swap( Object object_1 , Object object_2 )
  {

    if (CheckBoxControls.getState(CheckBoxControls.CBC_DEBUG_PRINTOUTS))
    {
      System.out.println
      (
        "Entered Codon.swap(Object object_1 , Object object_2) "
        + ((Codon)object_1).get()
        + ", "
        + ((Codon)object_2).get()
      );
    }

    Object temp = null;

    try
    {
      temp     = (Object) ((Codon)object_1).clone();
      object_1 = (Object) ((Codon)object_2).clone();
      object_2 = (Object) ((Codon)temp    ).clone();
    }
    catch (Exception e) {}
  }

  public  Codon( int initialValue )
  {

/*
    if (CheckBoxControls.getState(CheckBoxControls.CBC_DEBUG_PRINTOUTS))
    {
      System.out.println
      (
        "Entered Codon Constructor via int value "
        + initialValue
      );
    }
*/

    this.m_datum = new java.lang.Integer( initialValue );
  }
  public  Codon( Codon that )
  {

/*
    if (CheckBoxControls.getState(CheckBoxControls.CBC_DEBUG_PRINTOUTS))
    {
      System.out.println
      (
        "Entered Codon Constructor via another Codon's value "
        + that.get()
      );
    }
*/

    this.m_datum = new Integer( that.get() );
  }

  public  int get()
  {

/*
    if (CheckBoxControls.getState(CheckBoxControls.CBC_DEBUG_PRINTOUTS))
    {
      System.out.println
      (
        "Entered Codon.get() "
        + m_datum.intValue()
      );
    }
*/

    return m_datum.intValue();
  }

  public void set( int value )
  {

/*
    if (CheckBoxControls.getState(CheckBoxControls.CBC_DEBUG_PRINTOUTS))
    {
      System.out.println
      (
        "Entered Codon.set(int value) = "
        + value
      );
    }
*/

    try
    {
      this.m_datum = new Integer( value );
    }
    catch (Exception CodonSet)
    {

      if (CheckBoxControls.getState(CheckBoxControls.CBC_DEBUG_PRINTOUTS))
      {
        System.out.println
        (
          "in Codon.set(int value), caught an exception CodonSet"
        );
      }

    }

  }
  public void set( Codon that )
  {

/*
    if (CheckBoxControls.getState(CheckBoxControls.CBC_DEBUG_PRINTOUTS))
    {
      System.out.println
      (
        "Entered Codon.set(Codon that) = "
        + that.get()
      );
    }
*/

    this.m_datum = new Integer( that.get() );
  }

}