-
Notifications
You must be signed in to change notification settings - Fork 861
/
JdbcPetRepositoryImpl.java
169 lines (150 loc) · 6.43 KB
/
JdbcPetRepositoryImpl.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
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
/*
* Copyright 2002-2017 the original author or authors.
*
* 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.springframework.samples.petclinic.repository.jdbc;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.sql.DataSource;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Profile;
import org.springframework.dao.DataAccessException;
import org.springframework.dao.EmptyResultDataAccessException;
import org.springframework.jdbc.core.BeanPropertyRowMapper;
import org.springframework.jdbc.core.namedparam.MapSqlParameterSource;
import org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate;
import org.springframework.jdbc.core.simple.SimpleJdbcInsert;
import org.springframework.orm.ObjectRetrievalFailureException;
import org.springframework.samples.petclinic.model.Owner;
import org.springframework.samples.petclinic.model.Pet;
import org.springframework.samples.petclinic.model.PetType;
import org.springframework.samples.petclinic.model.Visit;
import org.springframework.samples.petclinic.repository.OwnerRepository;
import org.springframework.samples.petclinic.repository.PetRepository;
import org.springframework.samples.petclinic.repository.VisitRepository;
import org.springframework.samples.petclinic.util.EntityUtils;
import org.springframework.stereotype.Repository;
/**
* @author Ken Krebs
* @author Juergen Hoeller
* @author Rob Harrop
* @author Sam Brannen
* @author Thomas Risberg
* @author Mark Fisher
* @author Vitaliy Fedoriv
*/
@Repository
@Profile("jdbc")
public class JdbcPetRepositoryImpl implements PetRepository {
private NamedParameterJdbcTemplate namedParameterJdbcTemplate;
private SimpleJdbcInsert insertPet;
private OwnerRepository ownerRepository;
private VisitRepository visitRepository;
@Autowired
public JdbcPetRepositoryImpl(DataSource dataSource,
OwnerRepository ownerRepository,
VisitRepository visitRepository) {
this.namedParameterJdbcTemplate = new NamedParameterJdbcTemplate(dataSource);
this.insertPet = new SimpleJdbcInsert(dataSource)
.withTableName("pets")
.usingGeneratedKeyColumns("id");
this.ownerRepository = ownerRepository;
this.visitRepository = visitRepository;
}
@Override
public List<PetType> findPetTypes() throws DataAccessException {
Map<String, Object> params = new HashMap<>();
return this.namedParameterJdbcTemplate.query(
"SELECT id, name FROM types ORDER BY name",
params,
BeanPropertyRowMapper.newInstance(PetType.class));
}
@Override
public Pet findById(int id) throws DataAccessException {
Integer ownerId;
try {
Map<String, Object> params = new HashMap<>();
params.put("id", id);
ownerId = this.namedParameterJdbcTemplate.queryForObject("SELECT owner_id FROM pets WHERE id=:id", params, Integer.class);
} catch (EmptyResultDataAccessException ex) {
throw new ObjectRetrievalFailureException(Pet.class, id);
}
Owner owner = this.ownerRepository.findById(ownerId);
return EntityUtils.getById(owner.getPets(), Pet.class, id);
}
@Override
public void save(Pet pet) throws DataAccessException {
if (pet.isNew()) {
Number newKey = this.insertPet.executeAndReturnKey(
createPetParameterSource(pet));
pet.setId(newKey.intValue());
} else {
this.namedParameterJdbcTemplate.update(
"UPDATE pets SET name=:name, birth_date=:birth_date, type_id=:type_id, " +
"owner_id=:owner_id WHERE id=:id",
createPetParameterSource(pet));
}
}
/**
* Creates a {@link MapSqlParameterSource} based on data values from the supplied {@link Pet} instance.
*/
private MapSqlParameterSource createPetParameterSource(Pet pet) {
return new MapSqlParameterSource()
.addValue("id", pet.getId())
.addValue("name", pet.getName())
.addValue("birth_date", pet.getBirthDate())
.addValue("type_id", pet.getType().getId())
.addValue("owner_id", pet.getOwner().getId());
}
@Override
public Collection<Pet> findAll() throws DataAccessException {
Map<String, Object> params = new HashMap<>();
Collection<Pet> pets = new ArrayList<Pet>();
Collection<JdbcPet> jdbcPets = new ArrayList<JdbcPet>();
jdbcPets = this.namedParameterJdbcTemplate
.query("SELECT pets.id as pets_id, name, birth_date, type_id, owner_id FROM pets",
params,
new JdbcPetRowMapper());
Collection<PetType> petTypes = this.namedParameterJdbcTemplate.query("SELECT id, name FROM types ORDER BY name",
new HashMap<String,
Object>(), BeanPropertyRowMapper.newInstance(PetType.class));
Collection<Owner> owners = this.namedParameterJdbcTemplate.query(
"SELECT id, first_name, last_name, address, city, telephone FROM owners ORDER BY last_name",
new HashMap<String, Object>(),
BeanPropertyRowMapper.newInstance(Owner.class));
for (JdbcPet jdbcPet : jdbcPets) {
jdbcPet.setType(EntityUtils.getById(petTypes, PetType.class, jdbcPet.getTypeId()));
jdbcPet.setOwner(EntityUtils.getById(owners, Owner.class, jdbcPet.getOwnerId()));
// TODO add visits
pets.add(jdbcPet);
}
return pets;
}
@Override
public void delete(Pet pet) throws DataAccessException {
Map<String, Object> pet_params = new HashMap<>();
pet_params.put("id", pet.getId());
List<Visit> visits = pet.getVisits();
// cascade delete visits
for (Visit visit : visits) {
Map<String, Object> visit_params = new HashMap<>();
visit_params.put("id", visit.getId());
this.namedParameterJdbcTemplate.update("DELETE FROM visits WHERE id=:id", visit_params);
}
this.namedParameterJdbcTemplate.update("DELETE FROM pets WHERE id=:id", pet_params);
}
}