schema.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 javax.olap.OLAPException;

/**
 * Schema contains all elements comprising an OLAP model.  A Schema may also
 * contain any number of DeploymentGroups, representing the various physical
 * deployments of the logical Schema.
 */
public class Schema extends com.prudsys.pdm.Cwm.Core.Package implements javax.olap.serversidemetadata.Schema
{
   public Cube[] cube;   // changed to array, M. Thess, 04.01.2004
   public Dimension[] dimension;  // changed to array, M. Thess, 04.01.2004
   public DeploymentGroup[] deploymentGroup;  // changed to array, M. Thess, 04.01.2004

   public Schema()
   {

   }

   public Collection getCube()  throws OLAPException
   {
     return com.prudsys.pdm.Cwm.Core.CWMTools.ArrayToList(cube);
   }

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

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

   public void removeCube( javax.olap.metadata.Cube input) throws OLAPException
   {
     int size = (cube == null) ? 0 : cube.length;
     if (size == 0)
       return;

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

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

   public Collection getDeploymentGroup() throws OLAPException
   {
     return com.prudsys.pdm.Cwm.Core.CWMTools.ArrayToList(deploymentGroup);
   }

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

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

   public void removeDeploymentGroup( javax.olap.serversidemetadata.DeploymentGroup input) throws OLAPException
   {
     int size = (deploymentGroup == null) ? 0 : deploymentGroup.length;
     if (size == 0)
       return;

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

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

   public Collection getDimension() throws OLAPException
   {
     return com.prudsys.pdm.Cwm.Core.CWMTools.ArrayToList(dimension);
   }

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

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

   public void removeDimension( javax.olap.metadata.Dimension input) throws OLAPException
   {
     int size = (dimension == null) ? 0 : dimension.length;
     if (size == 0)
       return;

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

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

   public String toString() {

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

     return s;
   }
}