1using System;
 2using gorilla.utility;
 3
 4namespace solidware.financials.service.domain
 5{
 6    public class Date : IComparable<Date>
 7    {
 8        long ticks;
 9        static public readonly Date First = new Date(DateTime.MinValue);
10        static public readonly Date Last = new Date(DateTime.MaxValue);
11
12        Date(DateTime date)
13        {
14            ticks = date.Date.Ticks;
15        }
16
17        static public implicit operator Date(DateTime raw)
18        {
19            return new Date(raw);
20        }
21
22        public bool Equals(Date other)
23        {
24            if (ReferenceEquals(null, other)) return false;
25            if (ReferenceEquals(this, other)) return true;
26            return other.ticks == ticks;
27        }
28
29        public int CompareTo(Date other)
30        {
31            return to_date_time().CompareTo(new DateTime(other.ticks));
32        }
33
34        public override bool Equals(object obj)
35        {
36            if (ReferenceEquals(null, obj)) return false;
37            if (ReferenceEquals(this, obj)) return true;
38            if (obj.GetType() != typeof (Date)) return false;
39            return Equals((Date) obj);
40        }
41
42        public override int GetHashCode()
43        {
44            return ticks.GetHashCode();
45        }
46
47        public override string ToString()
48        {
49            return "{0}".format(to_date_time());
50        }
51
52        public DateTime to_date_time()
53        {
54            return new DateTime(ticks);
55        }
56    }
57}