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File org.dgpf.gp.vm.instructions.ctrl.PushHandler.java

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/*
 * Copyright (c) 2006 Thomas Weise
 * 
 * E-Mail           : tweise@gmx.de
 * Creation Date    : 2006-07-03 09:40:46
 * Original Filename: org.dgpf.gp.vm.instructions.ctrl.PushHandler.java
 * Version          : 1.0.0
 * Last modification: 2006-07-03
 *                by: Thomas Weise
 * 
 * License          : GNU LESSER GENERAL PUBLIC LICENSE
 *                    Version 2.1, February 1999
 *                    You should have received a copy of this license along
 *                    with this library; if not, write to the Free Software
 *                    Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *                    MA 02111-1307, USA or download the license under
 *                    http://www.gnu.org/copyleft/lesser.html.
 *                    
 * Warranty         : This software is provided "as is" without any
 *                    warranty; without even the implied warranty of
 *                    merchantability or fitness for a particular purpose.
 *                    See the Gnu Lesser General Public License for more
 *                    details.
 */

 
package org.dgpf.gp.vm.instructions.ctrl;

import org.dgpf.gp.vm.base.IInstructionHandler;
import org.dgpf.gp.vm.base.Instruction;
import org.dgpf.gp.vm.base.VMContext;
import org.dgpf.gp.vm.instructions.base.MemInstr1Handler;
import org.dgpf.gp.vm.mutation.MutationInfo;
import org.dgpf.search.api.utils.IMutator;
import org.dgpf.search.api.utils.WeightedSetBuilder;


/**
 * The instruction handler for the push instruction.
 *
 * @author Thomas Weise
 */

public final class       PushHandler 
             extends     MemInstr1Handler
  {
/**
 * The serial version uid.
 */

  private static final long serialVersionUID = 1;
        
/**
 * The globally shared instance of the push handler.
 */

  public  static  final IInstructionHandler  INSTANCE =
                                        new PushHandler();
  
    
  
/**
 * Create a new push handler - you cannot do this, use the shared
 * instance.
 * @see #INSTANCE
 */

  private PushHandler()
    {
    super(build());
    }
  
/**
 * Build the weighted set internally.
 * @return The weighted set to be used internally.
 */
  
  private static  final WeightedSetBuilder<IMutator
                       <Instruction, VMContext, MutationInfo>> build()
   {
   WeightedSetBuilder<IMutator<Instruction, VMContext, MutationInfo>> l_m;
      
   l_m = new WeightedSetBuilder<IMutator
         <Instruction, VMContext, MutationInfo>>(IMutator.class);
   
   l_m.add(
       new IMutator<Instruction, VMContext, MutationInfo>()
          {
          public  final  Instruction  mutate  (final Instruction  p_source,
                                               final VMContext    p_context,
                                               final MutationInfo p_info)
            {        
            return PushCHandler.INSTANCE.create(p_context, p_info);
            }
          }, 1.0d);
   
   return l_m;
   }
  
  
/**
 * Create a new randomized instance of this instruction.
 * @param p_context The vm context to be used.
 * @param p_info    The information record holding the infos on the
 *                  instruction to be created.
 * @return  The new instruction instance.
 */

  public  final     Instruction create      (final VMContext    p_context,
                                             final MutationInfo p_info)
    {    
    return new Push(p_context.random_address(p_info),
                    p_context.create_relative());
    }  

  }

File Information:

file name:PushHandler.java
package:org.dgpf.gp.vm.instructions.ctrl
qualified name:org.dgpf.gp.vm.instructions.ctrl.PushHandler.java
file type:Java Source File
download location:download http://dgpf.sourceforge.net/source/org/dgpf/gp/vm/instructions/ctrl/PushHandler.java
size:3.542 KB (3628 B)
uploaded: 2015-07-22 04:10:58 GMT+0000
last update: 2006-07-19 07:19:36 GMT+0000
last access: 2017-11-18 03:29:12 GMT+0000

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