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File org.dgpf.gp.automaton.search.WrapableExpressionHandler.java

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 * Copyright (c) 2005 Thomas Weise
 * E-Mail           : tweise@gmx.de
 * Creation Date    : 2005-12-22 06:39:51
 * Original Filename: org.dgpf.automaton.genetics.WrapableExpressionHandler.java
 * Version          : 2.2.1
 * Last modification: 2006-05-08
 *                by: Thomas Weise
 *                    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.automaton.search;

import org.dgpf.gp.automaton.base.Expression;

 * This is a special sort of expression handler.
 * Additional to its normal functionality, it is able to "wrap" an existing
 * expression. That means that the existing expression will become a
 * parameter of a new one. Examples for such a behavior are unary or
 * binary expressions.
 * @param <Genotype> The sort of instructions handled.
 * @author Thomas Weise

public abstract class   WrapableExpressionHandler<Genotype extends Expression>
                extends ExpressionHandler<Genotype>
 * Create a new wrapable expression handler.
 * @param p_mutators    The array of mutators to dispatch to.
 * @param p_weight      The array with the relative importance of the
 *                      different mutations. The higher the according
 *                      value, the heigher the probability of the mutation.

  protected WrapableExpressionHandler(
                           final Mutator<Expression, Genotype>[] p_mutators,
                           final double[]                        p_weight)
    super(p_mutators, p_weight);
 * Create a new, random instance of the genotype.
 * @param p_context     The program context to be used.
 * @param p_decision    <code>true</code> if and only if the expression
 *                      required is a decisional expression.
 *                      <code>false</code> if it is an arithmetical
 *                      expression.
 * @param p_memory_size The memory size currently available.
 * @param p_source      The source expression to be wrapped.
 * @return  The random genotype instance.

  protected  abstract Expression wrap (final ProgramContext p_context,
                                       final boolean        p_decision,
                                       final int            p_memory_size,
                                       final Expression     p_source);

File Information:

file name:WrapableExpressionHandler.java
qualified name:org.dgpf.gp.automaton.search.WrapableExpressionHandler.java
file type:Java Source File
download location:download http://dgpf.sourceforge.net/source/org/dgpf/gp/automaton/search/WrapableExpressionHandler.java
size:3.140 KB (3216 B)
uploaded: 2018-01-07 12:03:34 GMT+0000
last update: 2006-05-08 13:38:47 GMT+0000
last access: 2018-05-23 22:37:05 GMT+0000

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