pair.java

数据库的加密以及密态查询

import java.util.Comparator;
import java.sql.Date;
import java.math.BigDecimal;

public class Pair //implements Comparator
{
        public int rownum;
        public Object ob;
        public Pair() {
                rownum = -1;
                ob = null;
        }

        public Pair(int row, Object object) {
                rownum = row;
                ob = object;
        }

        public int compareTo(Date o) {
                return ((Date)ob).compareTo(o);
        }

        public int compareTo(BigDecimal o) {
                return ((BigDecimal)ob).compareTo(o);
        }

        public int compareTo(Integer o) {
                //Integer temp = new Integer(o);
                /*if (temp > o)
                {
                	return 1;
                } else if (temp < o)
                {
                	return -1;
                } else {
                	return 0;
                }*/
                return ((Integer)ob).compareTo(o);
        }

        public boolean equals(Object o) {
                return ob.toString().equals(o.toString());
        }

        public String toString() {
                return rownum + ", " + ob.toString();
        }
}