blob: 1b5ccb157daf6ebc8ed9b59dba5339c6ab35b4ef (
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
|
/*******************************************************************************
* Copyright (c) 2009, 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.core.internal.context.java;
import org.eclipse.jdt.core.dom.CompilationUnit;
import org.eclipse.jpt.core.context.Entity;
import org.eclipse.jpt.core.context.JoiningStrategy;
import org.eclipse.jpt.core.context.TypeMapping;
import org.eclipse.jpt.core.context.java.JavaRelationshipMapping;
import org.eclipse.jpt.core.context.java.JavaRelationshipReference;
import org.eclipse.jpt.core.utility.TextRange;
public abstract class AbstractJavaRelationshipReference
extends AbstractJavaJpaContextNode
implements JavaRelationshipReference
{
// cache the strategy for property change notification
protected JoiningStrategy cachedPredominantJoiningStrategy;
public AbstractJavaRelationshipReference(JavaRelationshipMapping parent) {
super(parent);
}
public JavaRelationshipMapping getRelationshipMapping() {
return (JavaRelationshipMapping) getParent();
}
public TypeMapping getTypeMapping() {
return getRelationshipMapping().getTypeMapping();
}
public Entity getEntity() {
TypeMapping typeMapping = getTypeMapping();
return (typeMapping instanceof Entity) ? (Entity) typeMapping : null;
}
public boolean isOverridableAssociation() {
return getPredominantJoiningStrategy().isOverridableAssociation();
}
public boolean isParentVirtual() {
return getRelationshipMapping().getPersistentAttribute().isVirtual();
}
public boolean isTargetForeignKeyRelationship() {
return false;
}
// **************** predominant joining strategy ***************************
public JoiningStrategy getPredominantJoiningStrategy() {
return this.cachedPredominantJoiningStrategy;
}
protected void setPredominantJoiningStrategy() {
setPredominantJoiningStrategy(calculatePredominantJoiningStrategy());
}
protected void setPredominantJoiningStrategy(JoiningStrategy newJoiningStrategy) {
JoiningStrategy oldJoiningStrategy = this.cachedPredominantJoiningStrategy;
this.cachedPredominantJoiningStrategy = newJoiningStrategy;
firePropertyChanged(PREDOMINANT_JOINING_STRATEGY_PROPERTY, oldJoiningStrategy, newJoiningStrategy);
}
// **************** resource -> context ************************************
public void initialize() {
initializeJoiningStrategies();
this.cachedPredominantJoiningStrategy = calculatePredominantJoiningStrategy();
}
protected abstract void initializeJoiningStrategies();
public void update() {
updateJoiningStrategies();
setPredominantJoiningStrategy();
}
protected abstract void updateJoiningStrategies();
protected abstract JoiningStrategy calculatePredominantJoiningStrategy();
// **************** validation *********************************************
public TextRange getValidationTextRange(CompilationUnit astRoot) {
return getRelationshipMapping().getValidationTextRange(astRoot);
}
}
|
