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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *   http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied.  See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  package org.apache.syncope.core.persistence.jpa.dao;
20  
21  import java.util.List;
22  import javax.persistence.TypedQuery;
23  import org.apache.commons.lang3.StringUtils;
24  import org.apache.syncope.core.persistence.api.dao.EntityCacheDAO;
25  import org.apache.syncope.core.persistence.api.dao.ExternalResourceDAO;
26  import org.apache.syncope.core.persistence.api.dao.ImplementationDAO;
27  import org.apache.syncope.core.persistence.api.entity.Implementation;
28  import org.apache.syncope.core.persistence.jpa.entity.JPAExternalResource;
29  import org.apache.syncope.core.persistence.jpa.entity.JPAImplementation;
30  import org.apache.syncope.core.spring.implementation.ImplementationManager;
31  import org.springframework.transaction.annotation.Transactional;
32  
33  public class JPAImplementationDAO extends AbstractDAO<Implementation> implements ImplementationDAO {
34  
35      protected final ExternalResourceDAO resourceDAO;
36  
37      protected final EntityCacheDAO entityCacheDAO;
38  
39      public JPAImplementationDAO(final ExternalResourceDAO resourceDAO, final EntityCacheDAO entityCacheDAO) {
40          this.resourceDAO = resourceDAO;
41          this.entityCacheDAO = entityCacheDAO;
42      }
43  
44      @Transactional(readOnly = true)
45      @Override
46      public Implementation find(final String key) {
47          return entityManager().find(JPAImplementation.class, key);
48      }
49  
50      @Override
51      public List<Implementation> findByType(final String type) {
52          TypedQuery<Implementation> query = entityManager().createQuery(
53                  "SELECT e FROM " + JPAImplementation.class.getSimpleName() + " e WHERE e.type=:type ORDER BY e.id ASC",
54                  Implementation.class);
55          query.setParameter("type", type);
56          return query.getResultList();
57      }
58  
59      @Override
60      public List<Implementation> findByTypeAndKeyword(final String type, final String keyword) {
61          if (StringUtils.isBlank(keyword)) {
62              return findByType(type);
63          }
64  
65          TypedQuery<Implementation> query = entityManager().createQuery(
66                  "SELECT e FROM " + JPAImplementation.class.getSimpleName() + " e "
67                  + "WHERE e.type=:type "
68                  + "AND e.id LIKE :keyword "
69                  + "ORDER BY e.id ASC",
70                  Implementation.class);
71          query.setParameter("type", type);
72          query.setParameter("keyword", keyword);
73          return query.getResultList();
74      }
75  
76      @Override
77      public List<Implementation> findAll() {
78          TypedQuery<Implementation> query = entityManager().createQuery(
79                  "SELECT e FROM " + JPAImplementation.class.getSimpleName() + " e", Implementation.class);
80          return query.getResultList();
81      }
82  
83      @Override
84      public Implementation save(final Implementation implementation) {
85          Implementation merged = entityManager().merge(implementation);
86  
87          ImplementationManager.purge(merged.getKey());
88  
89          resourceDAO.findByProvisionSorter(merged).
90                  forEach(resource -> entityCacheDAO.evict(JPAExternalResource.class, resource.getKey()));
91  
92          return merged;
93      }
94  
95      @Override
96      public void delete(final String key) {
97          Implementation implementation = find(key);
98          if (implementation == null) {
99              return;
100         }
101 
102         entityManager().remove(implementation);
103         ImplementationManager.purge(key);
104     }
105 }