boardsmainpostnumcomparator.java

一个jsp写的bbs

package com.laoer.bbscs.bean;

import java.util.*;

/**
 * <p>Title: TianyiBBS</p>
 *
 * <p>Description: BBSCS</p>
 *
 * <p>Copyright: Copyright (c) 2006</p>
 *
 * <p>Company: Laoer.com</p>
 *
 * @author Laoer
 * @version 7.0
 */
public class BoardsMainPostNumComparator
    implements Comparator {

  public BoardsMainPostNumComparator() {
  }

  /**
   * Compares its two arguments for order.
   *
   * @param o1 the first object to be compared.
   * @param o2 the second object to be compared.
   * @return a negative integer, zero, or a positive integer as the first argument is less than, equal to,
   *   or greater than the second.
   * @todo Implement this java.util.Comparator method
   */
  public int compare(Object o1, Object o2) {
    int num1 = ( (Board) o1).getMainPostNum();
    int num2 = ( (Board) o2).getMainPostNum();
    return num2 - num1;

  }
}