blob: f04be5584131abfb8bfc018cff95cd22f37f81c3 (
plain) (
blame)
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
|
/*******************************************************************************
* Copyright (c) 2007, 2009 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.core.internal;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Set;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.Platform;
import org.eclipse.jpt.core.JpaDataSource;
import org.eclipse.jpt.core.JpaFactory;
import org.eclipse.jpt.core.JpaFile;
import org.eclipse.jpt.core.JpaNode;
import org.eclipse.jpt.core.JpaPlatform;
import org.eclipse.jpt.core.JpaProject;
import org.eclipse.jpt.core.JpaPlatformVariation;
import org.eclipse.jpt.db.Catalog;
import org.eclipse.jpt.db.Database;
import org.eclipse.jpt.utility.internal.model.AbstractModel;
import org.eclipse.jpt.utility.internal.model.CallbackChangeSupport;
import org.eclipse.jpt.utility.internal.model.ChangeSupport;
/**
* Some common Dali behavior:<ul>
* <li>containment hierarchy
* <li>Eclipse adaptable
* <li>update triggers
* </ul>
*/
public abstract class AbstractJpaNode
extends AbstractModel
implements JpaNode
{
private final JpaNode parent;
// ********** constructor/initialization **********
protected AbstractJpaNode(JpaNode parent) {
super();
this.checkParent(parent);
this.parent = parent;
}
protected void checkParent(JpaNode p) {
if (p == null) {
if (this.requiresParent()) {
throw new IllegalArgumentException("'parent' cannot be null"); //$NON-NLS-1$
}
} else {
if (this.forbidsParent()) {
throw new IllegalArgumentException("'parent' must be null"); //$NON-NLS-1$
}
}
}
protected boolean requiresParent() {
return true;
}
protected boolean forbidsParent() {
return ! this.requiresParent(); // assume 'parent' is not optional
}
@Override
protected ChangeSupport buildChangeSupport() {
return new CallbackChangeSupport(this, this.buildChangeSupportListener());
}
protected CallbackChangeSupport.Listener buildChangeSupportListener() {
return new CallbackChangeSupport.Listener() {
public void aspectChanged(String aspectName) {
AbstractJpaNode.this.aspectChanged(aspectName);
}
};
}
// ********** IAdaptable implementation **********
@SuppressWarnings("unchecked")
public Object getAdapter(Class adapter) {
return Platform.getAdapterManager().getAdapter(this, adapter);
}
// ********** JpaNode implementation **********
public JpaNode getParent() {
return this.parent;
}
public IResource getResource() {
return this.parent.getResource();
}
public JpaProject getJpaProject() {
return this.parent.getJpaProject();
}
// ********** convenience methods **********
protected JpaPlatform getJpaPlatform() {
return this.getJpaProject().getJpaPlatform();
}
protected JpaPlatform.Version getJpaPlatformVersion() {
return this.getJpaPlatform().getJpaVersion();
}
protected JpaFactory getJpaFactory() {
return this.getJpaPlatform().getJpaFactory();
}
protected JpaPlatformVariation getJpaPlatformVariation() {
return this.getJpaPlatform().getJpaVariation();
}
protected JpaFile getJpaFile(IFile file) {
return this.getJpaProject().getJpaFile(file);
}
protected JpaDataSource getDataSource() {
return this.getJpaProject().getDataSource();
}
protected Database getDatabase() {
return this.getDataSource().getDatabase();
}
protected boolean connectionProfileIsActive() {
return this.getDataSource().connectionProfileIsActive();
}
/**
* Pre-condition: specified catalog <em>identifier</em> is not null.
* NB: Do not use the catalog <em>name</em>.
*/
protected Catalog getDbCatalog(String catalog) {
Database database = this.getDatabase();
return (database == null) ? null : database.getCatalogForIdentifier(catalog);
}
// ********** CallbackChangeSupport.Listener support **********
protected void aspectChanged(String aspectName) {
if (this.aspectTriggersUpdate(aspectName)) {
// System.out.println(Thread.currentThread() + " \"update\" change: " + this + ": " + aspectName);
this.getJpaProject().update();
}
}
private boolean aspectTriggersUpdate(String aspectName) {
return ! this.aspectDoesNotTriggerUpdate(aspectName);
}
private boolean aspectDoesNotTriggerUpdate(String aspectName) {
return this.nonUpdateAspectNames().contains(aspectName);
}
protected final Set<String> nonUpdateAspectNames() {
synchronized (nonUpdateAspectNameSets) {
HashSet<String> nonUpdateAspectNames = nonUpdateAspectNameSets.get(this.getClass());
if (nonUpdateAspectNames == null) {
nonUpdateAspectNames = new HashSet<String>();
this.addNonUpdateAspectNamesTo(nonUpdateAspectNames);
nonUpdateAspectNameSets.put(this.getClass(), nonUpdateAspectNames);
}
return nonUpdateAspectNames;
}
}
private static final HashMap<Class<? extends AbstractJpaNode>, HashSet<String>> nonUpdateAspectNameSets = new HashMap<Class<? extends AbstractJpaNode>, HashSet<String>>();
protected void addNonUpdateAspectNamesTo(@SuppressWarnings("unused") Set<String> nonUpdateAspectNames) {
// when you override this method, don't forget to include:
// super.addNonUpdateAspectNamesTo(nonUpdateAspectNames);
}
}
|
