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1 package org.hibernate.tuple;
3
4 import java.lang.reflect.Method  ;
5
6 import net.sf.cglib.beans.BulkBean;
7 import net.sf.cglib.reflect.FastClass;
8
9 import org.hibernate.HibernateException;
10 import org.hibernate.PropertyAccessException;
11 import org.hibernate.cfg.Environment;
12 import org.hibernate.engine.SessionFactoryImplementor;
13 import org.hibernate.mapping.Component;
14 import org.hibernate.mapping.Property;
15 import org.hibernate.property.Getter;
16 import org.hibernate.property.PropertyAccessor;
17 import org.hibernate.property.PropertyAccessorFactory;
18 import org.hibernate.property.Setter;
19 import org.hibernate.util.ReflectHelper;
20
21
24 public class PojoComponentTuplizer extends AbstractComponentTuplizer {
25
26 private final Class componentClass;
27 private transient BulkBean optimizer;
28 private transient FastClass fastClass;
29 private final Getter parentGetter;
30 private final Setter parentSetter;
31
32 public PojoComponentTuplizer(Component component) {
33 super( component );
34
35 this.componentClass = component.getComponentClass();
36
37 String [] getterNames = new String [propertySpan];
38 String [] setterNames = new String [propertySpan];
39 Class [] propTypes = new Class [propertySpan];
40 for ( int i = 0; i < propertySpan; i++ ) {
41 getterNames[i] = getters[i].getMethodName();
42 setterNames[i] = setters[i].getMethodName();
43 propTypes[i] = getters[i].getReturnType();
44 }
45
46 final String parentPropertyName = component.getParentProperty();
47 if ( parentPropertyName == null ) {
48 parentSetter = null;
49 parentGetter = null;
50 }
51 else {
52 PropertyAccessor pa = PropertyAccessorFactory.getPropertyAccessor( null );
53 parentSetter = pa.getSetter( componentClass, parentPropertyName );
54 parentGetter = pa.getGetter( componentClass, parentPropertyName );
55 }
56
57 if ( hasCustomAccessors || !Environment.useReflectionOptimizer() ) {
58 fastClass = null;
59 optimizer = null;
60 }
61 else {
62 fastClass = ReflectHelper.getFastClass( componentClass );
63 optimizer = ReflectHelper.getBulkBean( componentClass, getterNames, setterNames, propTypes, fastClass );
64 if (optimizer==null) fastClass = null;
65 }
66
67 }
68
69 public Class getMappedClass() {
70 return componentClass;
71 }
72
73 public Object [] getPropertyValues(Object component) throws HibernateException {
74 if ( optimizer != null ) {
75 try {
76 return optimizer.getPropertyValues( component );
77 }
78 catch ( Throwable t ) {
79 throw new PropertyAccessException( t,
80 ReflectHelper.PROPERTY_GET_EXCEPTION,
81 false,
82 componentClass,
83 ReflectHelper.getPropertyName( t, optimizer )
84 );
85 }
86 }
87 else {
88 return super.getPropertyValues(component);
89 }
90 }
91
92 public void setPropertyValues(Object component, Object [] values)
93 throws HibernateException {
94
95 if ( optimizer != null ) {
96 try {
97 optimizer.setPropertyValues( component, values );
98 return;
99 }
100 catch ( Throwable t ) {
101 throw new PropertyAccessException( t,
102 ReflectHelper.PROPERTY_SET_EXCEPTION,
103 true,
104 componentClass,
105 ReflectHelper.getPropertyName( t, optimizer )
106 );
107 }
108 }
109 else {
110 super.setPropertyValues(component, values);
111 }
112
113 }
114
115 public Object getParent(Object component) {
116 return parentGetter.get( component );
117 }
118
119 public boolean hasParentProperty() {
120 return parentGetter!=null;
121 }
122
123 public boolean isMethodOf(Method method) {
124 for ( int i=0; i<propertySpan; i++ ) {
125 final Method getterMethod = getters[i].getMethod();
126 if ( getterMethod!=null && getterMethod.equals(method) ) return true;
127 }
128 return false;
129 }
130
131 public void setParent(Object component, Object parent, SessionFactoryImplementor factory) {
132 parentSetter.set(component, parent, factory);
133 }
134
135 protected Instantiator buildInstantiator(Component component) {
136 return new PojoInstantiator( component, fastClass );
137 }
138
139 protected Getter buildGetter(Component component, Property prop) {
140 return prop.getGetter( component.getComponentClass() );
141 }
142
143 protected Setter buildSetter(Component component, Property prop) {
144 return prop.getSetter( component.getComponentClass() );
145 }
146
147 }
148 |
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