constantnode.java

一个数据挖掘软件ALPHAMINERR的整个过程的JAVA版源代码

/*
 *    This program is free software; you can redistribute it and/or modify
 *    it under the terms of the GNU General Public License as published by
 *    the Free Software Foundation; either version 2 of the License, or
 *    (at your option) any later version.
 *
 *    This program is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *    GNU General Public License for more details.
 *
 *    You should have received a copy of the GNU General Public License
 *    along with this program; if not, write to the Free Software
 *    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

/**
 * Title: XELOPES Data Mining Library
 * Description: The XELOPES library is an open platform-independent and data-source-independent library for Embedded Data Mining.
 * Copyright: Copyright (c) 2002 Prudential Systems Software GmbH
 * Company: ZSoft (www.zsoft.ru), Prudsys (www.prudsys.com)
 * @author Valentine Stepanenko ([e-mail])
 * @version 1.0
 */

package com.prudsys.pdm.Cwm.Expressions;

import com.prudsys.pdm.Cwm.Core.*;

/**
 * Instances of the ConstantNode class are ExpressionNodes that represent constant
 * values within expressions. Appropriate uses of the ConstantNode class place the
 * values of constants in the value attribute, rather than in the expression::body
 * attribute inherited from ExpressionNode. The latter attribute is intended for a
 * different purpose; see the description of the ExpressionNode class for details.
 */
public class ConstantNode extends ExpressionNode implements org.omg.cwm.foundation.expressions.ConstantNode
{

   /**
    * The value of a constant in an expression tree.
    */
   public Any value;

   public ConstantNode()
   {

   }

   public java.lang.Object getValue() {
     return value.getObject();
   }

   public void setValue(java.lang.Object value) {

     Any a = new Any();
     a.setObject(value);
     this.value = a;
   }
}