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
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
|
/**
* <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: BasicMapper.java,v 1.8.2.2 2007/04/22 20:56:23 mtaal Exp $
*/
package org.eclipse.emf.teneo.hibernate.mapper;
import java.util.List;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.eclipse.emf.ecore.EAttribute;
import org.eclipse.emf.ecore.EClassifier;
import org.eclipse.emf.ecore.EDataType;
import org.eclipse.emf.teneo.annotations.pamodel.PAnnotatedEAttribute;
import org.eclipse.emf.teneo.annotations.pamodel.PAnnotatedEStructuralFeature;
import org.eclipse.emf.teneo.annotations.pannotation.Basic;
import org.eclipse.emf.teneo.annotations.pannotation.Enumerated;
import org.eclipse.emf.teneo.annotations.pannotation.FetchType;
import org.eclipse.emf.teneo.annotations.pannotation.PannotationFactory;
import org.eclipse.emf.teneo.annotations.pannotation.TemporalType;
import org.eclipse.emf.teneo.hibernate.hbmodel.HbAnnotatedEAttribute;
import org.eclipse.emf.teneo.hibernate.hbmodel.HbAnnotatedEDataType;
import org.eclipse.emf.teneo.simpledom.Element;
/**
* Maps a basic element to its mapping Context.
*
* @author <a href="mailto:marchign at elver.org">Davide Marchignoli</a>
* @author <a href="mailto:mtaal at elver.org">Martin Taal</a>
*/
class BasicMapper extends AbstractMapper {
/** Log it all */
private static final Log log = LogFactory.getLog(BasicMapper.class);
/** The list of types which translate to a hibernate types */
private static final String[] TEMPORAL_TYPE_NAMES;
/** Initialize TEMPORAL_TYPE_NAMES */
static {
TEMPORAL_TYPE_NAMES = new String[TemporalType.VALUES.size()];
TEMPORAL_TYPE_NAMES[TemporalType.DATE] = "date";
TEMPORAL_TYPE_NAMES[TemporalType.TIME] = "time";
TEMPORAL_TYPE_NAMES[TemporalType.TIMESTAMP] = "timestamp";
}
/** Constructor */
public BasicMapper(MappingContext mappingContext) {
super(mappingContext);
}
/**
* Generate hb mapping for the given basic attribute.
*/
public void processBasic(PAnnotatedEAttribute paAttribute) {
log.debug("processBasic " + paAttribute.getAnnotatedEAttribute().getName());
final EAttribute eAttribute = paAttribute.getAnnotatedEAttribute();
final EAttribute eattr = paAttribute.getAnnotatedEAttribute();
final String attrName = getHbmContext().getPropertyName(eattr);
final Element propElement = getHbmContext().getCurrent().addElement("property").addAttribute("name", attrName);
Basic basic = paAttribute.getBasic();
if (basic == null) {
basic = PannotationFactory.eINSTANCE.createBasic();
}
propElement.addAttribute("lazy", FetchType.LAZY_LITERAL.equals(basic.getFetch()) ? "true" : "false");
addColumns(propElement, eAttribute.getName(), getColumns(paAttribute), getHbmContext()
.isCurrentElementFeatureMap()
|| isNullable(basic, eAttribute), true);
propElement.addAttribute("not-null", isNullable(basic, eAttribute) ? "false" : "true");
setType(paAttribute, propElement);
}
/**
* Generate hb mapping for the given temporal attribute.
*/
public void processTemporal(PAnnotatedEAttribute paAttribute) {
final EAttribute eAttribute = paAttribute.getAnnotatedEAttribute();
log.debug("processTemporal " + paAttribute.getAnnotatedEAttribute().getName());
TemporalType tt = paAttribute.getTemporal().getValue();
final String attrName = getHbmContext().getPropertyName(paAttribute.getAnnotatedEAttribute());
log.debug("addProperty: " + attrName + " temporal " + tt.getName());
final HbAnnotatedEAttribute hea = (HbAnnotatedEAttribute) paAttribute;
final HbAnnotatedEDataType hed = (HbAnnotatedEDataType) paAttribute.getPaModel().getPAnnotated(
paAttribute.getAnnotatedEAttribute().getEAttributeType());
final Element propElement = getHbmContext().getCurrent().addElement("property").addAttribute("name", attrName);
Basic basic = paAttribute.getBasic();
if (basic == null) {
basic = PannotationFactory.eINSTANCE.createBasic();
}
propElement.addAttribute("lazy", FetchType.LAZY_LITERAL.equals(basic.getFetch()) ? "true" : "false");
addColumns(propElement, eAttribute.getName(), getColumns(paAttribute), getHbmContext()
.isCurrentElementFeatureMap()
|| isNullable(basic, eAttribute), true);
propElement.addAttribute("not-null", isNullable(basic, eAttribute) ? "false" : "true");
if ((hed != null && hed.getHbTypeDef() != null) || hea.getHbType() != null) {
setType(paAttribute, propElement);
} else {
propElement.addAttribute("type", BasicMapper.hbType(tt));
}
}
/**
* Generate hb mapping for the given lob attribute.
*/
public void processLob(PAnnotatedEAttribute paAttribute) {
final EAttribute eAttribute = paAttribute.getAnnotatedEAttribute();
log.debug("processLob " + eAttribute.getName());
final Element propElement = getHbmContext().getCurrent().addElement("property");
propElement.addAttribute("name", getHbmContext().getPropertyName(eAttribute));
Basic basic = paAttribute.getBasic();
if (basic == null) {
basic = PannotationFactory.eINSTANCE.createBasic();
}
propElement.addAttribute("lazy", FetchType.LAZY_LITERAL.equals(basic.getFetch()) ? "true" : "false");
addColumns(propElement, paAttribute.getAnnotatedEAttribute().getName(), getColumns(paAttribute),
getHbmContext().isCurrentElementFeatureMap() || isNullable(basic, eAttribute), true);
propElement.addAttribute("not-null", isNullable(basic, eAttribute) ? "false" : "true");
setType(paAttribute, propElement);
}
/**
* Generate hb mapping for the given enum attribute.
*/
public void processEnum(PAnnotatedEAttribute paAttribute) {
log.debug("processEnum " + paAttribute.getAnnotatedEAttribute());
final EAttribute eattr = paAttribute.getAnnotatedEAttribute();
Basic basic = paAttribute.getBasic();
if (basic == null) {
basic = PannotationFactory.eINSTANCE.createBasic();
}
final List columns = getColumns(paAttribute);
final Element propElement = getHbmContext().getCurrent().addElement("property").addAttribute("name",
getHbmContext().getPropertyName(paAttribute.getAnnotatedEAttribute()));
Enumerated enumerated = paAttribute.getEnumerated();
propElement.addAttribute("lazy", FetchType.LAZY_LITERAL.equals(basic.getFetch()) ? "true" : "false");
propElement.addAttribute("not-null", isNullable(basic, eattr) ? "false" : "true");
addColumns(propElement, eattr.getName(), columns, isNullable(basic, eattr)
|| getHbmContext().isCurrentElementFeatureMap(), true);
// if an entity then add the special things
final EClassifier eclassifier = paAttribute.getAnnotatedEAttribute().getEType();
final HbAnnotatedEAttribute hea = (HbAnnotatedEAttribute) paAttribute;
final EDataType ed = (EDataType) hea.getAnnotatedEAttribute().getEType();
final HbAnnotatedEDataType hed = (HbAnnotatedEDataType) hea.getPaModel().getPAnnotated(ed);
if (hed.getHbTypeDef() != null || hea.getHbType() != null) {
setType(paAttribute, propElement);
} else if (getHbmContext().isEasyEMFGenerated(eclassifier)) {
final Class instanceClass = getHbmContext().getImpl(eclassifier);
propElement.addElement("type").addAttribute("name", getEnumUserType(enumerated)).addElement("param")
.addAttribute("name", "enumClassName").addText(instanceClass.getName());
} else if (getHbmContext().isEasyEMFDynamic(eclassifier)) {
final Element typeElement = propElement.addElement("type").addAttribute("name",
hbDynamicEnumType(enumerated));
typeElement.addElement("param").addAttribute("name", HbMapperConstants.ECLASSIFIER_PARAM).addText(
paAttribute.getAnnotatedEAttribute().getEType().getName());
typeElement.addElement("param").addAttribute("name", HbMapperConstants.EPACKAGE_PARAM).addText(
paAttribute.getAnnotatedEAttribute().getEType().getEPackage().getNsURI());
} else if (getHbmContext().isEMFGenerated(eclassifier)) {
propElement.addElement("type").addAttribute("name", getEnumUserType(enumerated)).addElement("param")
.addAttribute("name", HbMapperConstants.ENUM_CLASS_PARAM).addText(
eattr.getEType().getInstanceClass().getName());
} else { // must be emf dynamic
final Element typeElement = propElement.addElement("type").addAttribute("name",
hbDynamicEnumType(enumerated));
typeElement.addElement("param").addAttribute("name", HbMapperConstants.ECLASSIFIER_PARAM).addText(
paAttribute.getAnnotatedEAttribute().getEType().getName());
typeElement.addElement("param").addAttribute("name", HbMapperConstants.EPACKAGE_PARAM).addText(
paAttribute.getAnnotatedEAttribute().getEType().getEPackage().getNsURI());
}
}
/**
* Generate hb mapping for the given version attribute.
*/
public void processVersion(PAnnotatedEAttribute paAttribute) {
if (log.isDebugEnabled()) {
log.debug("Generating version for " + paAttribute.getAnnotatedEAttribute().getName());
}
final EAttribute eAttribute = paAttribute.getAnnotatedEAttribute();
final Element propElement = getHbmContext().getCurrent().addElement("version").addAttribute("name",
eAttribute.getName());
List columns = getColumns(paAttribute);
if (columns.size() > 1) {
log.warn("Version has more than one attribute, only using the first one, eclass: "
+ paAttribute.getAnnotatedEAttribute().getEContainingClass().getName());
}
addColumns(propElement, eAttribute.getName(), columns, getHbmContext().isCurrentElementFeatureMap(), false);
setType(paAttribute, propElement);
}
/**
* Ignore transient attributes.
*/
public void processTransient(PAnnotatedEStructuralFeature paFeature) {
if (log.isDebugEnabled())
log.debug("Skipping transient feature for " + paFeature.getAnnotatedEStructuralFeature().getName());
}
/** Returns the correct temporal type for hibernate */
private static String hbType(TemporalType temporalType) {
return BasicMapper.TEMPORAL_TYPE_NAMES[temporalType != null ? temporalType.getValue() : TemporalType.TIMESTAMP];
}
/**
* A prop is nullable if the basic is optional or the feature is part of a featuremap. The last reason is because
* featuremapentries will have all the features of the featuremap with only one of them filled.
*/
private boolean isNullable(Basic basic, EAttribute eattr) {
return getHbmContext().isForceNullable() || basic.isOptional() || getHbmContext().isCurrentElementFeatureMap();
}
}
|
