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1 package org.hibernate.ce.auction.persistence;
2
3 import org.hibernate.*;
4 import org.hibernate.usertype.CompositeUserType;
5 import org.hibernate.engine.SessionImplementor;
6 import org.hibernate.type.Type;
7 import org.hibernate.ce.auction.model.MonetaryAmount;
8
9 import java.io.Serializable  ;
10 import java.math.BigDecimal ;
11 import java.sql.*;
12 import java.util.Currency ;
13
14
26 public class MonetaryAmountCompositeUserType
27 implements CompositeUserType {
28
29 public Class returnedClass() { return MonetaryAmount.class; }
30
31 public boolean equals(Object x, Object y) {
32 if (x == y) return true;
33 if (x == null || y == null) return false;
34 return x.equals(y);
35 }
36 public int hashCode(Object o) throws HibernateException { return o.hashCode(); }
37 public Serializable disassemble(Object o, SessionImplementor s) throws HibernateException { return (Serializable )o; }
38 public Object assemble(Serializable cached, SessionImplementor s, Object owner) throws HibernateException { return cached; }
39 public Object replace(Object o, Object o1, SessionImplementor s, Object o2) throws HibernateException { return null; }
41
42 public Object deepCopy(Object value) {
43 return value; }
45
46 public boolean isMutable() { return false; }
47
48 public Object nullSafeGet(ResultSet resultSet,
49 String [] names,
50 SessionImplementor session,
51 Object owner)
52 throws HibernateException, SQLException {
53
54 if (resultSet.wasNull()) return null;
55 BigDecimal value = resultSet.getBigDecimal( names[0] );
56 Currency currency =
57 Currency.getInstance(resultSet.getString( names[1] ) );
58 return new MonetaryAmount(value, currency);
59 }
60
61 public void nullSafeSet(PreparedStatement statement,
62 Object value,
63 int index,
64 SessionImplementor session)
65 throws HibernateException, SQLException {
66
67 if (value==null) {
68 statement.setNull(index, Types.NUMERIC);
69 statement.setNull(index+1, Types.VARCHAR);
70 } else {
71 MonetaryAmount amount = (MonetaryAmount) value;
72 String currencyCode =
73 amount.getCurrency().getCurrencyCode();
74 statement.setBigDecimal( index, amount.getValue() );
75 statement.setString( index+1, currencyCode );
76 }
77 }
78
79 public String [] getPropertyNames() {
80 return new String [] { "value", "currency" };
81 }
82
83 public Type[] getPropertyTypes() {
84 return new Type[] { Hibernate.BIG_DECIMAL, Hibernate.CURRENCY };
85 }
86
87 public Object getPropertyValue(Object component,
88 int property)
89 throws HibernateException {
90 MonetaryAmount monetaryAmount = (MonetaryAmount) component;
91 if (property == 0)
92 return monetaryAmount.getValue();
93 else
94 return monetaryAmount.getCurrency();
95 }
96
97 public void setPropertyValue(Object component,
98 int property,
99 Object value) throws HibernateException {
100 throw new UnsupportedOperationException ("MonetaryAmount is immutable");
101 }
102
103 } |
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