/
MigrationModelAdapter.java
executable file
·94 lines (78 loc) · 2.9 KB
/
MigrationModelAdapter.java
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
/*
* Copyright 2016 Red Hat, Inc. and/or its affiliates
* and other contributors as indicated by the @author tags.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.keycloak.models.jpa;
import org.keycloak.common.util.Time;
import org.keycloak.migration.MigrationModel;
import org.keycloak.models.jpa.entities.MigrationModelEntity;
import jakarta.persistence.EntityManager;
import jakarta.persistence.TypedQuery;
import java.security.SecureRandom;
import java.util.List;
/**
* @author <a href="mailto:bill@burkecentral.com">Bill Burke</a>
* @version $Revision: 1 $
*/
public class MigrationModelAdapter implements MigrationModel {
protected EntityManager em;
protected MigrationModelEntity latest;
private static final int RESOURCE_TAG_LENGTH = 5;
private static final char[] RESOURCE_TAG_CHARSET = "0123456789abcdefghijklmnopqrstuvwxyz".toCharArray();
public MigrationModelAdapter(EntityManager em) {
this.em = em;
init();
}
@Override
public String getStoredVersion() {
return latest != null ? latest.getVersion() : null;
}
@Override
@Deprecated
public String getResourcesTag() {
return latest != null ? latest.getId() : null;
}
private void init() {
TypedQuery<MigrationModelEntity> q = em.createNamedQuery("getLatest", MigrationModelEntity.class);
q.setMaxResults(1);
List<MigrationModelEntity> l = q.getResultList();
if (l.isEmpty()) {
latest = null;
} else {
latest = l.get(0);
}
}
@Override
public void setStoredVersion(String version) {
String resourceTag = createResourceTag();
// Make sure resource-tag is unique within current installation
while (em.find(MigrationModelEntity.class, resourceTag) != null) {
resourceTag = createResourceTag();
}
MigrationModelEntity entity = new MigrationModelEntity();
entity.setId(resourceTag);
entity.setVersion(version);
entity.setUpdatedTime(Time.currentTime());
em.persist(entity);
latest = entity;
}
private String createResourceTag() {
StringBuilder sb = new StringBuilder(RESOURCE_TAG_LENGTH);
for (int i = 0; i < RESOURCE_TAG_LENGTH; i++) {
sb.append(RESOURCE_TAG_CHARSET[new SecureRandom().nextInt(RESOURCE_TAG_CHARSET.length)]);
}
return sb.toString();
}
}