/*
* 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.jdbi.v3.sqlobject;
import com.google.common.collect.ImmutableMultimap;
import com.google.common.collect.Multimap;
import java.util.Map;
import java.util.Objects;
import org.jdbi.v3.core.Handle;
import org.jdbi.v3.core.rule.H2DatabaseRule;
import org.jdbi.v3.sqlobject.config.KeyColumn;
import org.jdbi.v3.sqlobject.config.RegisterConstructorMapper;
import org.jdbi.v3.sqlobject.config.ValueColumn;
import org.jdbi.v3.sqlobject.customizer.BindBean;
import org.jdbi.v3.sqlobject.statement.SqlBatch;
import org.jdbi.v3.sqlobject.statement.SqlQuery;
import org.jdbi.v3.sqlobject.statement.SqlUpdate;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.entry;
import static org.assertj.guava.api.Assertions.assertThat;
public class TestReturningMap {
@Rule
public H2DatabaseRule dbRule = new H2DatabaseRule().withPlugins();
private Handle h;
@Before
public void setUp() {
h = dbRule.getSharedHandle();
}
@Test
public void keyValueColumns() {
KeyValueDao dao = h.attach(KeyValueDao.class);
dao.createTable();
dao.insert("foo", "123");
dao.insert("bar", "xyz");
assertThat(dao.getAll()).containsOnly(
entry("foo", "123"),
entry("bar", "xyz"));
}
public interface KeyValueDao {
@SqlUpdate("create table config (key varchar, value varchar)")
void createTable();
@SqlUpdate("insert into config (key, value) values (:key, :value)")
void insert(String key, String value);
@SqlQuery("select key, value from config")
@KeyColumn("key")
@ValueColumn("value")
Map<String, String> getAll();
}
@Test
public void uniqueIndex() {
UniqueIndexDao dao = h.attach(UniqueIndexDao.class);
dao.createTable();
dao.insert(
new User(1, "alice"),
new User(2, "bob"),
new User(3, "cathy"),
new User(4, "dilbert"));
assertThat(dao.getAll()).containsOnly(
entry(1, new User(1, "alice")),
entry(2, new User(2, "bob")),
entry(3, new User(3, "cathy")),
entry(4, new User(4, "dilbert")));
}
public interface UniqueIndexDao {
@SqlUpdate("create table user (id int, name varchar)")
void createTable();
@SqlBatch("insert into user (id, name) values (:id, :name)")
void insert(@BindBean User... users);
@SqlQuery("select * from user")
@KeyColumn("id")
@RegisterConstructorMapper(User.class)
Map<Integer, User> getAll();
}
@Test
public void joinRow() {
JoinRowDao dao = h.attach(JoinRowDao.class);
dao.createUserTable();
dao.createPhoneTable();
dao.insertUsers(
new User(1, "alice"),
new User(2, "bob"),
new User(3, "cathy"));
dao.insertPhone(1, new Phone(10, "555-0001"));
dao.insertPhone(2, new Phone(20, "555-0002"));
dao.insertPhone(3, new Phone(30, "555-0003"));
assertThat(dao.getMap()).containsOnly(
entry(new User(1, "alice"), new Phone(10, "555-0001")),
entry(new User(2, "bob"), new Phone(20, "555-0002")),
entry(new User(3, "cathy"), new Phone(30, "555-0003")));
}
@Test
public void multimapJoin() {
JoinRowDao dao = h.attach(JoinRowDao.class);
dao.createUserTable();
dao.createPhoneTable();
dao.insertUsers(
new User(1, "alice"),
new User(2, "bob"),
new User(3, "cathy"));
dao.insertPhone(1, new Phone(10, "555-0001"), new Phone(11, "555-0021"));
dao.insertPhone(2, new Phone(20, "555-0002"), new Phone(21, "555-0022"));
dao.insertPhone(3, new Phone(30, "555-0003"), new Phone(31, "555-0023"));
assertThat(dao.getMultimap()).hasSameEntriesAs(
ImmutableMultimap.<User, Phone>builder()
.putAll(new User(1, "alice"), new Phone(10, "555-0001"), new Phone(11, "555-0021"))
.putAll(new User(2, "bob"), new Phone(20, "555-0002"), new Phone(21, "555-0022"))
.putAll(new User(3, "cathy"), new Phone(30, "555-0003"), new Phone(31, "555-0023"))
.build());
}
public interface JoinRowDao {
@SqlUpdate("create table user (id int, name varchar)")
void createUserTable();
@SqlUpdate("create table phone (id int, user_id int, phone varchar)")
void createPhoneTable();
@SqlBatch("insert into user (id, name) values (:id, :name)")
void insertUsers(@BindBean User... users);
@SqlBatch("insert into phone (id, user_id, phone) values (:id, :userId, :phone)")
void insertPhone(int userId, @BindBean Phone... phones);
@SqlQuery("select u.id u_id, u.name u_name, p.id p_id, p.phone p_phone " +
"from user u left join phone p on u.id = p.user_id")
@RegisterConstructorMapper(value = {User.class, Phone.class}, prefix = {"u", "p"})
Map<User, Phone> getMap();
@SqlQuery("select u.id u_id, u.name u_name, p.id p_id, p.phone p_phone " +
"from user u left join phone p on u.id = p.user_id")
@RegisterConstructorMapper(value = {User.class, Phone.class}, prefix = {"u", "p"})
Multimap<User, Phone> getMultimap();
}
public static class User {
private final int id;
private final String name;
public User(int id, String name) {
this.id = id;
this.name = name;
}
public int getId() {
return id;
}
public String getName() {
return name;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
User user = (User) o;
return id == user.id &&
Objects.equals(name, user.name);
}
@Override
public int hashCode() {
return Objects.hash(id, name);
}
@Override
public String toString() {
return "User{" +
"id=" + id +
", name='" + name + '\'' +
'}';
}
}
public static class Phone {
private final int id;
private final String phone;
public Phone(int id, String phone) {
this.id = id;
this.phone = phone;
}
public int getId() {
return id;
}
public String getPhone() {
return phone;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
Phone phone1 = (Phone) o;
return id == phone1.id &&
Objects.equals(phone, phone1.phone);
}
@Override
public int hashCode() {
return Objects.hash(id, phone);
}
@Override
public String toString() {
return "Phone{" +
"id=" + id +
", phone='" + phone + '\'' +
'}';
}
}
}