levelbasedhierarchy.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.Olap.Metadata;

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

import javax.olap.OLAPException;

/**
 * A LevelBasedHierarchy is a hierarchy that describes relationships between
 * specific levels of a Dimension. LevelBasedHierarchy can be used to model to
 * "pure level" hierarchies (e.g., dimension-level tables) and "mixed" hierarchies
 * (i.e., levels + linked nodes).
 */
public class LevelBasedHierarchy extends Hierarchy implements javax.olap.metadata.LevelBasedHierarchy
{
   public HierarchyLevelAssociation hierarchyLevelAssociation[];

   public LevelBasedHierarchy()
   {

   }

   public List getHierarchyLevelAssociation() throws OLAPException
   {
     return com.prudsys.pdm.Cwm.Core.CWMTools.ArrayToList(hierarchyLevelAssociation);
   }

   public void setHierarchyLevelAssociation(Collection hierarchyLevelAssociation) throws OLAPException
   {
     this.hierarchyLevelAssociation = new HierarchyLevelAssociation[ hierarchyLevelAssociation.size() ];
     Iterator it = hierarchyLevelAssociation.iterator();
     for (int i = 0; i < hierarchyLevelAssociation.size(); i++)
       this.hierarchyLevelAssociation[i] = (HierarchyLevelAssociation) it.next();
   }

   public void addHierarchyLevelAssociation( javax.olap.metadata.HierarchyLevelAssociation input) throws OLAPException
   {
     int size = (hierarchyLevelAssociation == null) ? 0 : hierarchyLevelAssociation.length;
     HierarchyLevelAssociation[] oldData = hierarchyLevelAssociation;
     hierarchyLevelAssociation = new HierarchyLevelAssociation[size+1];
     if (size > 0) System.arraycopy(oldData, 0, hierarchyLevelAssociation, 0, size);
     hierarchyLevelAssociation[size] = (HierarchyLevelAssociation) input;
   }

   public void removeHierarchyLevelAssociation( javax.olap.metadata.HierarchyLevelAssociation input) throws OLAPException
   {
     int size = (hierarchyLevelAssociation == null) ? 0 : hierarchyLevelAssociation.length;
     if (size == 0)
       return;

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

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

   public void moveHierarchyLevelAssociationBefore(javax.olap.metadata.HierarchyLevelAssociation before, javax.olap.metadata.HierarchyLevelAssociation input)
       throws OLAPException {
     throw new UnsupportedOperationException();
   }

   public void moveHierarchyLevelAssociationAfter(javax.olap.metadata.HierarchyLevelAssociation before, javax.olap.metadata.HierarchyLevelAssociation input)
       throws OLAPException {
     throw new UnsupportedOperationException();
   }

   public String toString() {

     String s = "LevelBasedHierarchy name = " + getName() + " \n";
     if (hierarchyLevelAssociation != null) {
       s = s + "#hierarchyLevelAssociation = " + hierarchyLevelAssociation.length + " :\n";
       for (int i = 0; i < hierarchyLevelAssociation.length; i++)
         s = s + hierarchyLevelAssociation[i].toString() + "\n";
     }

     return s;
   }

}