featurenode.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 java.util.Collection;
import java.util.Iterator;
import java.util.List;

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

/**
 * The FeatureNode class represents ExpressionNode instances that are features
 * (i.e., attributes or operations) of some Classifier instance within the CWM.
 *
 *
 *
 * A FeatureNode with a null OperationArgument association represents either a
 * parameter-less operation or an attribute value obtained from some
 * StructuralFeature instance.
 */
public class FeatureNode extends ExpressionNode implements org.omg.cwm.foundation.expressions.FeatureNode
{
   public Feature feature;
   public ExpressionNode argument[];

   public FeatureNode()
   {

   }

   public List getArgument() {
     return com.prudsys.pdm.Cwm.Core.CWMTools.ArrayToList(argument);
   }

   public void setArgument(Collection argument) {

     this.argument = new ExpressionNode[ argument.size() ];
     Iterator it = argument.iterator();
     for (int i = 0; i < argument.size(); i++)
       this.argument[i] = (ExpressionNode) it.next();
   }

   public void addArgument( org.omg.cwm.foundation.expressions.ExpressionNode input) {

     int size = (argument == null) ? 0 : argument.length;
     ExpressionNode[] oldData = argument;
     argument = new ExpressionNode[size+1];
     if (size > 0) System.arraycopy(oldData, 0, argument, 0, size);
     argument[size] = (ExpressionNode) input;
   }

   public void removeArgument( org.omg.cwm.foundation.expressions.ExpressionNode input) {
     int size = (argument == null) ? 0 : argument.length;
     if (size == 0)
       return;

     int ipos = -1;
     for (int i = 0; i < size; i++)
       if (argument[i].equals(input)) {
         ipos = i;
         break;
       }
     if (ipos == -1)
       return;

     ExpressionNode[] oldData = argument;
     argument = new ExpressionNode[size-1];
     for (int i = 0; i < ipos; i++)
       argument[i] = oldData[i];
     for (int i = ipos+1; i < size; i++)
       argument[i-1] = oldData[i];
   }

   public void moveArgumentBefore( org.omg.cwm.foundation.expressions.ExpressionNode before, org.omg.cwm.foundation.expressions.ExpressionNode input) {

   }

   public void moveArgumentAfter( org.omg.cwm.foundation.expressions.ExpressionNode before, org.omg.cwm.foundation.expressions.ExpressionNode input) {

   }

   public org.omg.cwm.objectmodel.core.Feature getFeature() {
     return feature;
   }

   public void setFeature(org.omg.cwm.objectmodel.core.Feature feature) {
     this.feature = (Feature) feature;
   }
}