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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.util.HashMap ;
8 import java.util.Iterator ;
9 import java.util.Map ;
10
11 import org.dom4j.Node;
12 import org.hibernate.EntityMode;
13 import org.hibernate.HibernateException;
14 import org.hibernate.MappingException;
15 import org.hibernate.engine.Mapping;
16 import org.hibernate.engine.SessionFactoryImplementor;
17 import org.hibernate.engine.SessionImplementor;
18
19
22 public class MetaType extends AbstractType {
23
24 private final Map values;
25 private final Map keys;
26 private final Type baseType;
27
28 public MetaType(Map values, Type baseType) {
29 this.baseType = baseType;
30 this.values = values;
31 keys = new HashMap ();
32 Iterator iter = values.entrySet().iterator();
33 while ( iter.hasNext() ) {
34 Map.Entry me = (Map.Entry ) iter.next();
35 keys.put( me.getValue(), me.getKey() );
36 }
37 }
38
39 public int[] sqlTypes(Mapping mapping) throws MappingException {
40 return baseType.sqlTypes(mapping);
41 }
42
43 public int getColumnSpan(Mapping mapping) throws MappingException {
44 return baseType.getColumnSpan(mapping);
45 }
46
47 public Class getReturnedClass() {
48 return String .class;
49 }
50
51 public Object nullSafeGet(
52 ResultSet rs,
53 String [] names,
54 SessionImplementor session,
55 Object owner)
56 throws HibernateException, SQLException {
57 Object key = baseType.nullSafeGet(rs, names, session, owner);
58 return key==null ? null : values.get(key);
59 }
60
61 public Object nullSafeGet(
62 ResultSet rs,
63 String name,
64 SessionImplementor session,
65 Object owner)
66 throws HibernateException, SQLException {
67 Object key = baseType.nullSafeGet(rs, name, session, owner);
68 return key==null ? null : values.get(key);
69 }
70
71 public void nullSafeSet(PreparedStatement st, Object value, int index, SessionImplementor session)
72 throws HibernateException, SQLException {
73 baseType.nullSafeSet(st, value==null ? null : keys.get(value), index, session);
74 }
75
76 public void nullSafeSet(
77 PreparedStatement st,
78 Object value,
79 int index,
80 boolean[] settable,
81 SessionImplementor session)
82 throws HibernateException, SQLException {
83 if ( settable[0] ) nullSafeSet(st, value, index, session);
84 }
85
86 public String toLoggableString(Object value, SessionFactoryImplementor factory) throws HibernateException {
87 return toXMLString(value, factory);
88 }
89
90 public String toXMLString(Object value, SessionFactoryImplementor factory)
91 throws HibernateException {
92 return (String ) value; }
94
95 public Object fromXMLString(String xml, Mapping factory)
96 throws HibernateException {
97 return xml; }
99
100 public String getName() {
101 return baseType.getName(); }
103
104 public Object deepCopy(Object value, EntityMode entityMode, SessionFactoryImplementor factory)
105 throws HibernateException {
106 return value;
107 }
108
109 public Object replace(
110 Object original,
111 Object target,
112 SessionImplementor session,
113 Object owner,
114 Map copyCache
115 ) {
116 return original;
117 }
118
119 public boolean isMutable() {
120 return false;
121 }
122
123 public Object fromXMLNode(Node xml, Mapping factory) throws HibernateException {
124 return fromXMLString( xml.getText(), factory );
125 }
126
127 public void setToXMLNode(Node node, Object value, SessionFactoryImplementor factory) throws HibernateException {
128 node.setText( toXMLString(value, factory) );
129 }
130
131 public boolean[] toColumnNullness(Object value, Mapping mapping) {
132 throw new UnsupportedOperationException ();
133 }
134
135 }
136 |
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