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1 package org.hibernate.test.typeparameters;
2
3 import java.io.Serializable  ;
4 import java.sql.PreparedStatement ;
5 import java.sql.ResultSet ;
6 import java.sql.SQLException ;
7 import java.sql.Types ;
8 import java.util.Properties ;
9
10 import org.apache.commons.logging.LogFactory;
11 import org.hibernate.HibernateException;
12 import org.hibernate.usertype.ParameterizedType;
13 import org.hibernate.usertype.UserType;
14
15
16
19 public class DefaultValueIntegerType implements UserType, ParameterizedType, Serializable {
20
21 private Integer defaultValue;
22
23 public int[] sqlTypes() {
24 return new int[] {Types.INTEGER};
25 }
26
27 public Class returnedClass() {
28 return int.class;
29 }
30
31 public boolean equals(Object x, Object y) throws HibernateException {
32 if (x==y) return true;
33 if (x==null || y==null) return false;
34 return x.equals(y);
35 }
36
37 public Object nullSafeGet(ResultSet rs, String [] names, Object owner) throws HibernateException, SQLException {
38 Number result = (Number ) rs.getObject(names[0]);
39 return result==null ? defaultValue : new Integer (result.intValue());
40 }
41
42 public void nullSafeSet(PreparedStatement st, Object value, int index) throws HibernateException, SQLException {
43 if (value == null || defaultValue.equals(value) ) {
44 LogFactory.getLog( getClass() ).trace("binding null to parameter: " + index);
45 st.setNull(index, Types.INTEGER);
46 } else {
47 LogFactory.getLog( getClass() ).trace("binding " + value + " to parameter: " + index);
48 st.setInt(index, ((Integer )value).intValue());
49 }
50 }
51
52 public Object deepCopy(Object value) throws HibernateException {
53 return new Integer (((Integer )value).intValue());
54 }
55
56 public boolean isMutable() {
57 return false;
58 }
59
60 public int hashCode(Object x) throws HibernateException {
61 return x.hashCode();
62 }
63
64 public Object assemble(Serializable cached, Object owner)
65 throws HibernateException {
66 return cached;
67 }
68
69 public Serializable disassemble(Object value) throws HibernateException {
70 return (Serializable ) value;
71 }
72
73 public Object replace(Object original, Object target, Object owner)
74 throws HibernateException {
75 return original;
76 }
77
78 public void setParameterValues(Properties parameters) {
79 this.defaultValue = Integer.valueOf((String ) parameters.get("default"));
80 }
81
82 }
83 |
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