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1 package org.hibernate.type;
3
4 import java.math.BigDecimal  ;
5 import java.math.BigInteger ;
6 import java.sql.PreparedStatement ;
7 import java.sql.ResultSet ;
8 import java.sql.SQLException ;
9 import java.sql.Types ;
10
11 import org.hibernate.EntityMode;
12 import org.hibernate.HibernateException;
13
14
20 public class BigIntegerType extends ImmutableType implements DiscriminatorType {
21
22 public String objectToSQLString(Object value) throws Exception {
23 return value.toString();
24 }
25
26 public Object stringToObject(String xml) throws Exception {
27 return new BigInteger (xml);
28 }
29
30 public Object get(ResultSet rs, String name)
31 throws HibernateException, SQLException {
32 BigDecimal bigDecimal = rs.getBigDecimal(name);
34 return bigDecimal==null ? null :
35 bigDecimal.setScale(0, BigDecimal.ROUND_UNNECESSARY).unscaledValue();
36 }
37
38 public void set(PreparedStatement st, Object value, int index)
39 throws HibernateException, SQLException {
40 st.setBigDecimal( index, new BigDecimal ( (BigInteger ) value ) );
41 }
42
43 public int sqlType() {
44 return Types.NUMERIC;
45 }
46
47 public String toString(Object value) throws HibernateException {
48 return value.toString();
49 }
50
51 public Class getReturnedClass() {
52 return BigInteger .class;
53 }
54
55 public boolean isEqual(Object x, Object y) {
56 return x==y || ( x!=null && y!=null && ( (BigInteger ) x ).compareTo( (BigInteger ) y )==0 );
57 }
58
59 public int getHashCode(Object x, EntityMode entityMode) {
60 return ( (BigInteger ) x ).intValue();
61 }
62
63 public String getName() {
64 return "big_integer";
65 }
66
67 public Object fromStringValue(String xml) {
68 return new BigInteger (xml);
69 }
70
71
72 }
73
74
75
76
77
78
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