1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
|
/**
* <copyright>
*
* Copyright (c) 2005, 2006, 2007 Springsite BV (The Netherlands) and others
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Martin Taal
* Davide Marchignoli
* </copyright>
*
* $Id: EmbeddedMapper.java,v 1.6 2007/02/01 12:35:55 mtaal Exp $
*/
package org.eclipse.emf.teneo.hibernate.mapper;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.teneo.annotations.pamodel.PAnnotatedEClass;
import org.eclipse.emf.teneo.annotations.pamodel.PAnnotatedEReference;
import org.eclipse.emf.teneo.annotations.pannotation.ManyToOne;
import org.eclipse.emf.teneo.annotations.pannotation.OneToOne;
import org.eclipse.emf.teneo.simpledom.Element;
/**
* Maps Embedded properties.
*
* @author <a href="mailto:marchign at elver.org">Davide Marchignoli</a>
* @author <a href="mailto:mtaal at elver.org">Martin Taal</a>
*/
class EmbeddedMapper extends AbstractMapper {
// the logger
private static final Log log = LogFactory.getLog(EmbeddedMapper.class);
/** Constructor */
public EmbeddedMapper(MappingContext mappingContext) {
super(mappingContext);
}
/**
* Process Embedded object
*/
public void process(PAnnotatedEReference paReference) {
log.debug("Processing embedded: " + paReference.toString());
// push the current overrides
getHbmContext().pushOverrideOnStack();
// and add our own
getHbmContext().addAttributeOverrides(paReference.getAttributeOverrides());
// push the feature is used for automatic renaming
getHbmContext().pushEmbeddingFeature(paReference);
try {
// make a difference between a many-to-one component and multi-component
if (paReference.getManyToOne() != null) {
final ManyToOne mto = paReference.getManyToOne();
processSingleEmbedded(paReference, mto.getTargetEntity(), paReference.getAnnotatedEReference()
.getEReferenceType());
} else if (paReference.getOneToOne() != null) {
final OneToOne oto = paReference.getOneToOne();
processSingleEmbedded(paReference, oto.getTargetEntity(), paReference.getAnnotatedEReference()
.getEReferenceType());
} else {
if (paReference.getManyToMany() != null) {
throw new MappingException("ManyToMany can not be combined with Embedded " + paReference);
} else if (paReference.getOneToMany() == null) {
throw new MappingException("OneToMany must be set for embedded elist type: " + paReference);
}
// only one to many
processMultiEmbedded(paReference);
}
} finally {
// and continue with the previous set of overrides
getHbmContext().popOverrideStack();
getHbmContext().popEmbeddingFeature();
}
}
/** Process a many-to-one component */
private void processSingleEmbedded(PAnnotatedEReference paReference, String targetName, EClass target) {
log.debug("Processing single embedded: " + paReference.toString());
final EClass refType = (EClass) paReference.getAnnotatedEReference().getEType();
if (targetName == null || getHbmContext().isEasyEMFGenerated(refType)) {
targetName = getHbmContext().getEntityName(target);
}
final Element componentElement = getHbmContext().getCurrent().addElement("component").addAttribute("name",
paReference.getAnnotatedEReference().getName()).addAttribute("class", targetName);
getHbmContext().setCurrent(componentElement);
try {
// process the features of the target
final PAnnotatedEClass componentAClass = paReference.getPaModel().getPAnnotated(
paReference.getAnnotatedEReference().getEReferenceType());
getHbmContext().processFeatures(componentAClass.getPaEStructuralFeatures());
} finally {
getHbmContext().setCurrent(componentElement.getParent());
}
}
/** Process a list of components */
private void processMultiEmbedded(PAnnotatedEReference paReference) {
log.debug("Processing multi embedded: " + paReference.toString());
// let the featureprocessor handle this, the one to many is handled by the OneToManyMapper
getHbmContext().getFeatureMapper().getOneToManyMapper().process(paReference);
}
}
|
