remapitem.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.DMSII;

import com.prudsys.pdm.Cwm.Record.*;
import com.prudsys.pdm.Cwm.Expressions.*;

/**
 * Maps a Remap instance?s field to its source, which may be some DataItem or an
 * expression.
 *
 *
 *
 * The name attribute of a RemapItem instance defaults to the name attribute of
 * the associated DataItem instance. If changed in the Remap definition by a
 * "<identifier> =" clause, the name attribute of the Remap instance is simply set
 * to <identifier>.
 *
 *
 *
 * The RemapItem instance?s initial value is stored in the initialValue attribute
 * inherited from the CWM ObjectModel?s Attribute class.
 */
public class RemapItem extends Field
{

   /**
    * If specified, overrides the occurs attribute of the associated DataItem
    * instance.
    */
   public Integer occurs;

   /**
    * If True, overrides the isRequired attribute of the associated DataItem instance.
    */
   public Boolean isRequired;

   /**
    * If True, the corresponding DataItem is not visible to the user of the Remap.
    */
   public Boolean isHidden;

   /**
    * If True, the RemapItem is readonly.
    */
   public Boolean isReadOnly;

   /**
    * The isGivingException boolean is meaningful only if isReadOnly = True. If the
    * isGivingException boolean is absent, no exception clause was specified. If it
    * is present, False indicates that the NO EXCEPTION clause was specified whereas
    * True indicates the GIVING EXCEPTION clause.
    */
   public Boolean isGivingException;

   /**
    * If True, the RemapItem instance is calculated when accessed using the
    * expression stored in the virtualExpression attribute.
    */
   public Boolean isVirtual;

   /**
    * The expression used to calculate the value of a virtual RemapItem.
    */
   public ExpressionNode virtualExpression;
   public DataItem dataItem[];

   public RemapItem()
   {

   }
}