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
|
/*******************************************************************************
* Copyright (c) 2007, 2010 Oracle. 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:
* Oracle - initial API and implementation
******************************************************************************/
package org.eclipse.jpt.ui.internal.wizards.gen;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.TreeMap;
import org.eclipse.jface.resource.ResourceManager;
import org.eclipse.jface.wizard.IWizardPage;
import org.eclipse.jface.wizard.Wizard;
import org.eclipse.jpt.core.JpaProject;
import org.eclipse.jpt.gen.internal.Association;
import org.eclipse.jpt.gen.internal.ORMGenCustomizer;
public class NewAssociationWizard extends Wizard {
public static String ASSOCIATION_SCHEMA = "ASSOCIATION_SCHEMA"; //$NON-NLS-1$
public static String ASSOCIATION_REFERRER_TABLE = "ASSOCIATION_REFERRER_TABLE"; //$NON-NLS-1$
public static String ASSOCIATION_REFERENCED_TABLE = "ASSOCIATION_REFERENCED_TABLE"; //$NON-NLS-1$
public static String ASSOCIATION_JOIN_COLUMNS1 = "ASSOCIATION_REFERRER_COLUMNS1"; //$NON-NLS-1$
public static String ASSOCIATION_JOIN_COLUMNS2 = "ASSOCIATION_REFERRER_COLUMNS2"; //used in MTM associations only //$NON-NLS-1$
public static String ASSOCIATION_JOIN_TABLE = "ASSOCIATION_JOIN_TABLE"; // TreeMap<String, String> //$NON-NLS-1$
public static String ASSOCIATION_CADINALITY = "ASSOCIATION_CADINALITY"; //$NON-NLS-1$
private JpaProject jpaProject;
private HashMap<String, Object> associationDataModel = new HashMap<String, Object>();
private ORMGenCustomizer customizer = null;
private AssociationTablesPage associationTablesPage;
private JoinColumnsPage joinColumnsPage;
private CardinalityPage cardinalityPage;
protected final ResourceManager resourceManager;
public NewAssociationWizard( JpaProject jpaProject, ORMGenCustomizer customizer, ResourceManager resourceManager) {
super();
this.jpaProject = jpaProject;
this.customizer = customizer;
this.resourceManager = resourceManager;
this.setWindowTitle( JptUiEntityGenMessages.GenerateEntitiesWizard_newAssoc_title);
this.associationDataModel.put( NewAssociationWizard.ASSOCIATION_SCHEMA, this.customizer.getSchema());
this.associationDataModel.put( NewAssociationWizard.ASSOCIATION_JOIN_COLUMNS1, new TreeMap<String, String>());
this.associationDataModel.put( NewAssociationWizard.ASSOCIATION_JOIN_COLUMNS2, new TreeMap<String, String>());
}
@Override
public void addPages() {
super.addPages();
this.associationTablesPage = new AssociationTablesPage( customizer, this.resourceManager);
addPage(this.associationTablesPage);
this.joinColumnsPage = new JoinColumnsPage(customizer);
addPage(this.joinColumnsPage);
this.cardinalityPage = new CardinalityPage(customizer);
addPage(this.cardinalityPage);
}
@Override
public boolean performFinish() {
return true;
}
public ORMGenCustomizer getCustomizer (){
return customizer;
}
public JpaProject getJpaProject(){
return this.jpaProject;
}
// public Schema getDefaultSchema() {
// return getJpaProject().getDefaultDbSchema();
// }
//
// private boolean projectDefaultSchemaExists() {
// return ( this.getDefaultSchema() != null);
// }
public HashMap<String, Object> getDataModel(){
return this.associationDataModel;
}
public void updateTableNames(){
IWizardPage[] pages = this.getPages();
for( IWizardPage page : pages){
((NewAssociationWizardPage)page).updateWithNewTables();
}
}
@SuppressWarnings("unchecked")
public Association getNewAssociation(){
String referrerTableName =getReferrerTableName();
String referencedTableName = getReferencedTableName();
List<String> referrerColNames = new ArrayList<String>();
List<String> referencedColNames = new ArrayList<String>();
String cardinality = (String)associationDataModel.get( NewAssociationWizard.ASSOCIATION_CADINALITY );
if( cardinality.equals(Association.MANY_TO_MANY) ){
return createManyToManyAssociation();
}
Object value = associationDataModel.get( NewAssociationWizard.ASSOCIATION_JOIN_COLUMNS1);
if(value!=null){
TreeMap<String, String> joinColumns = (TreeMap<String, String>)value;
for( String pk : joinColumns.keySet()){
referrerColNames.add(pk);
referencedColNames.add( joinColumns.get(pk));
}
}
/*if one-to-many then convert it to many-to-one to be consistent
* with the associations computed from the db foreign keys.
* Don't see at this point how one-to-many would
* affect the generation.*/
if( cardinality.equals(Association.ONE_TO_MANY) ){
cardinality = Association.MANY_TO_ONE;
String temp1 = referrerTableName;
referrerTableName = referencedTableName;
referencedTableName = temp1;
List<String> temp2 = referrerColNames;
referrerColNames = referencedColNames;
referencedColNames = temp2;
}
Association association = null;
association = new Association(this.customizer, referrerTableName, referrerColNames , referencedTableName, referencedColNames);
association.setCardinality( cardinality );
association.setCustom(true);
return association;
}
@SuppressWarnings("unchecked")
private Association createManyToManyAssociation() {
String referrerTableName =getReferrerTableName();
String joinTable = getJoinTableName();
String referencedTableName = getReferencedTableName();
List<String> referrerColNames = new ArrayList<String>();
List<String> referrerJoinColNames = new ArrayList<String>();
Object value = associationDataModel.get( NewAssociationWizard.ASSOCIATION_JOIN_COLUMNS1);
if(value!=null){
TreeMap<String, String> joinColumns = (TreeMap<String, String>)value;
for( String pk : joinColumns.keySet()){
referrerColNames.add(pk);
referrerJoinColNames.add( joinColumns.get(pk));
}
}
value = associationDataModel.get( NewAssociationWizard.ASSOCIATION_JOIN_COLUMNS2);
List<String> referencedColNames = new ArrayList<String>();
List<String> referencedJoinColNames = new ArrayList<String>();
if(value!=null){
TreeMap<String, String> joinColumns = (TreeMap<String, String>)value;
for( String pk : joinColumns.keySet()){
referencedJoinColNames.add(pk);
referencedColNames.add( joinColumns.get(pk));
}
}
Association association = null;
association = new Association(this.customizer, referrerTableName, referrerColNames,
referencedTableName, referencedColNames, joinTable, referrerJoinColNames, referencedJoinColNames);
return association;
}
String getReferrerTableName(){
return (String)associationDataModel.get(NewAssociationWizard.ASSOCIATION_REFERRER_TABLE);
}
String getReferencedTableName(){
return (String)associationDataModel.get(NewAssociationWizard.ASSOCIATION_REFERENCED_TABLE);
}
String getJoinTableName(){
return (String)associationDataModel.get(NewAssociationWizard.ASSOCIATION_JOIN_TABLE );
}
String getCardinality(){
return (String)associationDataModel.get(NewAssociationWizard.ASSOCIATION_CADINALITY );
}
}
|
