blob: a36b941c1757fce3d59d3592cfd71db616170ec2 (
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
|
/*******************************************************************************
* Copyright (c) 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.context.java;
import org.eclipse.jpt.core.JpaFactory;
import org.eclipse.jpt.core.MappingKeys;
/**
* This mapping provider implementation is used to describe the specified mapping for
* a java attribute when no other mapping applies.
*/
public class NullSpecifiedJavaAttributeMappingProvider
implements JavaAttributeMappingProvider
{
// singleton
private static final NullSpecifiedJavaAttributeMappingProvider INSTANCE =
new NullSpecifiedJavaAttributeMappingProvider();
/**
* Return the singleton.
*/
public static JavaAttributeMappingProvider instance() {
return INSTANCE;
}
/**
* Enforce singleton usage
*/
private NullSpecifiedJavaAttributeMappingProvider() {
super();
}
public String getKey() {
return MappingKeys.NULL_ATTRIBUTE_MAPPING_KEY;
}
public String getAnnotationName() {
return null;
}
/**
* There is no specified mapping in this case, attributes should revert to the default
*/
public JavaAttributeMapping buildMapping(JavaPersistentAttribute parent, JpaFactory factory) {
return null;
}
/**
* Obviously false
*/
public boolean defaultApplies(JavaPersistentAttribute persistentAttribute) {
return false;
}
/**
* This is typically the final test, so it should always apply
*/
public boolean specifiedApplies(JavaPersistentAttribute persistentAttribute) {
return true;
}
}
|
