timewatch.java

数据仓库工具

package org.webdocwf.util.loader;

/**
 * <p>Title: TimeWatch.java</p>
 * <p>Description: Time measuring of importDefinitions </p>
 * <p>Copyright: Copyright (c) 2003</p>
 * <p>Company: Together</p>
 * @author Sinisa Milosevic [e-mail]
 * @version 1.0
 */

/**
    Copyright (C) 2002-2003  Together

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.

    This library 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
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

*/
import java.text.SimpleDateFormat;
import java.text.DateFormat;
import java.util.Date;

/**
 * Class used for calculating time.
 *
 * @author     Sinisa Milosevic
 * @version    1.1
 */
public class TimeWatch {

  private long startTime = 0;
  private long startJobTime = 0;

  /**
   * Constructor
   */
  public TimeWatch() {
    this.startJobTime=0;
    this.startTime=System.currentTimeMillis();
  }


  /**
   * Method getTotalTime  - return all jobs duration as a String (min:sec,milsec)
   * @return String (min:sec,milsec)
   */
  public String getTotalTime() {
    long currentTime = System.currentTimeMillis();
        long difference = currentTime-this.startTime;

        if(difference>60000){
          long minutes = difference/60000;
          long remainder = difference%60000;
          return new String((new Long(minutes)).toString()+" minutes "+
                            (new Long(remainder/1000)).toString()+","+(new Long(remainder%1000)).toString()+" seconds");
        }
        else if(currentTime>1000)
          return new String((new Long(difference/1000)).toString()+","+(new Long(difference%1000)).toString()+" seconds");
        else
      return new String((new Long(difference)).toString() +" miliseconds");  }

  /**
   * Method setStartJobTime - set time counter for new loader job
   */
  public void setStartJobTime() {
    this.startJobTime = System.currentTimeMillis();
  }

  /**
     *Method setStartTime - set time counter for all loader jobs
     */
    public void setStartTime() {
      this.startTime = System.currentTimeMillis();
  }
  /**
   * Method getJobTime  - return duration of loader job (importDefinition or sql) as a String (min:sec,milsec)
   * @return (min:sec,milsec)
   */
  public String getJobTime() {
//    DateFormat df = new SimpleDateFormat("mm:ss");
    long currentTime = System.currentTimeMillis(); 
    long difference = currentTime-this.startJobTime;
    if(difference>60000){
      long minutes = difference/60000;
      long remainder = difference%60000;
      return new String((new Long(minutes)).toString()+" minutes "+
                        (new Long(remainder/1000)).toString()+","+(new Long(remainder%1000)).toString()+" seconds");
    }
    else if(currentTime>1000)
      return new String((new Long(difference/1000)).toString()+","+(new Long(difference%1000)).toString()+" seconds");
    else
      return new String((new Long(difference)).toString() +" miliseconds");
  }

  /**
   * set jop time to 0.
   */
  public void reset() {
    this.startJobTime=0;
  }

}