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1 package org.hibernate.type;
3
4 import java.sql.PreparedStatement  ;
5 import java.sql.ResultSet ;
6 import java.sql.SQLException ;
7 import java.sql.Timestamp ;
8 import java.sql.Types ;
9 import java.util.Calendar ;
10 import java.util.Comparator ;
11 import java.util.Date ;
12 import java.util.GregorianCalendar ;
13
14 import org.hibernate.EntityMode;
15 import org.hibernate.Hibernate;
16 import org.hibernate.HibernateException;
17 import org.hibernate.cfg.Environment;
18 import org.hibernate.util.CalendarComparator;
19
20
25 public class CalendarType extends MutableType implements VersionType {
26
27 public Object get(ResultSet rs, String name) throws HibernateException, SQLException {
28
29 Timestamp ts = rs.getTimestamp(name);
30 if (ts!=null) {
31 Calendar cal = new GregorianCalendar ();
32 if ( Environment.jvmHasTimestampBug() ) {
33 cal.setTime( new Date ( ts.getTime() + ts.getNanos() / 1000000 ) );
34 }
35 else {
36 cal.setTime(ts);
37 }
38 return cal;
39 }
40 else {
41 return null;
42 }
43
44 }
45
46 public void set(PreparedStatement st, Object value, int index) throws HibernateException, SQLException {
47 final Calendar cal = (Calendar ) value;
48 st.setTimestamp( index, new Timestamp ( cal.getTime().getTime() ), cal );
50 }
51
52 public int sqlType() {
53 return Types.TIMESTAMP;
54 }
55
56 public String toString(Object value) throws HibernateException {
57 return Hibernate.TIMESTAMP.toString( ( (Calendar ) value ).getTime() );
58 }
59
60 public Object fromStringValue(String xml) throws HibernateException {
61 Calendar result = new GregorianCalendar ();
62 result.setTime( ( (Date ) Hibernate.TIMESTAMP.fromStringValue(xml) ) );
63 return result;
64 }
65
66 public Object deepCopyNotNull(Object value) throws HibernateException {
67 return ( (Calendar ) value ).clone();
68 }
69
70 public Class getReturnedClass() {
71 return Calendar .class;
72 }
73
74 public int compare(Object x, Object y, EntityMode entityMode) {
75 return CalendarComparator.INSTANCE.compare(x, y);
76 }
77
78 public boolean isEqual(Object x, Object y) {
79 if (x==y) return true;
80 if (x==null || y==null) return false;
81
82 Calendar calendar1 = (Calendar ) x;
83 Calendar calendar2 = (Calendar ) y;
84
85 return calendar1.get(Calendar.MILLISECOND) == calendar2.get(Calendar.MILLISECOND)
86 && calendar1.get(Calendar.SECOND) == calendar2.get(Calendar.SECOND)
87 && calendar1.get(Calendar.MINUTE) == calendar2.get(Calendar.MINUTE)
88 && calendar1.get(Calendar.HOUR_OF_DAY) == calendar2.get(Calendar.HOUR_OF_DAY)
89 && calendar1.get(Calendar.DAY_OF_MONTH) == calendar2.get(Calendar.DAY_OF_MONTH)
90 && calendar1.get(Calendar.MONTH) == calendar2.get(Calendar.MONTH)
91 && calendar1.get(Calendar.YEAR) == calendar2.get(Calendar.YEAR);
92 }
93
94 public int getHashCode(Object x, EntityMode entityMode) {
95 Calendar calendar = (Calendar ) x;
96 int hashCode = 1;
97 hashCode = 31 * hashCode + calendar.get(Calendar.MILLISECOND);
98 hashCode = 31 * hashCode + calendar.get(Calendar.SECOND);
99 hashCode = 31 * hashCode + calendar.get(Calendar.MINUTE);
100 hashCode = 31 * hashCode + calendar.get(Calendar.HOUR_OF_DAY);
101 hashCode = 31 * hashCode + calendar.get(Calendar.DAY_OF_MONTH);
102 hashCode = 31 * hashCode + calendar.get(Calendar.MONTH);
103 hashCode = 31 * hashCode + calendar.get(Calendar.YEAR);
104 return hashCode;
105 }
106
107 public String getName() {
108 return "calendar";
109 }
110
111 public Object next(Object current) {
112 return seed();
113 }
114
115 public Object seed() {
116 return Calendar.getInstance();
117 }
118
119 public Comparator getComparator() {
120 return CalendarComparator.INSTANCE;
121 }
122
123 }
124 |
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