📄 timegroup.java

📁 一个数据挖掘软件ALPHAMINERR的整个过程的JAVA版源代码
💻 JAVA
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/*
 *    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 (valentine.stepanenko@zsoft.ru)
 * @author Victor Borichev
 * @version 1.0
 */

package com.prudsys.pdm.Models.Statistics;

import java.util.Calendar;
import java.util.GregorianCalendar;

import com.prudsys.pdm.Core.MiningAttribute;
import com.prudsys.pdm.Input.MiningVector;

public class TimeGroup extends Group {
  static GregorianCalendar calendar = new GregorianCalendar();
  int groupUnit;
  int groupValue;

  public TimeGroup(Group parent, int groupAttr, int groupUnit, int groupValue) {
    super(parent,groupAttr);
    this.groupUnit = groupUnit;
    this.groupValue = groupValue;
  }
  public int getGroupUnit() {
    return groupUnit;
  }
  public void setGroupUnit(int groupUnit) {
    this.groupUnit = groupUnit;
  }
  public int getGroupValue() {
    return groupValue;
  }
  public void setGroupValue(int groupValue) {
    this.groupValue = groupValue;
  }
  public Group makeCopy() {
    TimeGroup group = new TimeGroup((Group)parent,groupAttr,groupUnit,groupValue);
    group.metaData = metaData;
    return group;
  }
  protected boolean notInGroup(MiningVector vec) {
    long val = (long)vec.getValue(groupAttr);
    calendar.setTime(new java.util.Date(val));
    int timeValue = calendar.get(groupUnit);
    if(timeValue == groupValue) return false;
    return true;
  }
  public String toString() {
    MiningAttribute attr = metaData.getMiningAttribute(groupAttr);
    String str = "Time group "+attr.getName()+" with unit ";
//    String str = "<html>Time group <font color=blue><b>"+attr.getName()+"</b></font> with unit <font color=red>";
    switch(groupUnit)
    {
      case Calendar.SECOND: str = str + "'Seconds'"; break;
      case Calendar.MINUTE: str = str + "'Minute'"; break;
      case Calendar.HOUR_OF_DAY: str = str + "'Hour'"; break;
      case Calendar.DAY_OF_MONTH: str = str + "'Day'"; break;
      case Calendar.WEEK_OF_MONTH: str = str + "'Week'"; break;
      case Calendar.MONTH: str = str + "'Month'"; break;
      case Calendar.YEAR: str = str + "'Year'"; break;
      default: str = str + "'Unknown!!!' = "+groupUnit;
    }
    str = str + " and value "+groupValue+"";
//    str = str + "</font> and value <font color=red>"+groupValue+"</font></html>";
    return str;
  }
  public boolean equals(Object obj) {
    if(!super.equals(obj)) return false;
    TimeGroup group = (TimeGroup)obj;
    if(group.groupValue != groupValue) return false;
    if(group.groupUnit != groupUnit) return false;
    return true;
  }
}
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