/**
* Copyright 2009-2015 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.apache.ibatis.submitted.force_flush_on_select;
import static org.junit.Assert.*;
import java.io.Reader;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.List;
import org.apache.ibatis.io.Resources;
import org.apache.ibatis.jdbc.ScriptRunner;
import org.apache.ibatis.session.ExecutorType;
import org.apache.ibatis.session.LocalCacheScope;
import org.apache.ibatis.session.SqlSession;
import org.apache.ibatis.session.SqlSessionFactory;
import org.apache.ibatis.session.SqlSessionFactoryBuilder;
import org.junit.Before;
import org.junit.Test;
public class ForceFlushOnSelectTest {
private static SqlSessionFactory sqlSessionFactory;
@Before
public void initDatabase() throws Exception {
Connection conn = null;
try {
Class.forName("org.hsqldb.jdbcDriver");
conn = DriverManager.getConnection("jdbc:hsqldb:mem:force_flush_on_select", "sa", "");
Reader reader = Resources.getResourceAsReader("org/apache/ibatis/submitted/force_flush_on_select/CreateDB.sql");
ScriptRunner runner = new ScriptRunner(conn);
runner.setLogWriter(null);
runner.setErrorLogWriter(null);
runner.runScript(reader);
conn.commit();
reader.close();
reader = Resources.getResourceAsReader("org/apache/ibatis/submitted/force_flush_on_select/ibatisConfig.xml");
sqlSessionFactory = new SqlSessionFactoryBuilder().build(reader);
reader.close();
} finally {
if (conn != null) {
conn.close();
}
}
}
@Test
public void testShouldFlushLocalSessionCacheOnQuery() throws SQLException {
SqlSession sqlSession = sqlSessionFactory.openSession(ExecutorType.SIMPLE);
try {
PersonMapper personMapper = sqlSession.getMapper(PersonMapper.class);
personMapper.selectByIdFlush(1);
updateDatabase(sqlSession.getConnection());
Person updatedPerson = personMapper.selectByIdFlush(1);
assertEquals("Simone", updatedPerson.getFirstName());
sqlSession.commit();
} finally {
sqlSession.close();
}
}
@Test
public void testShouldNotFlushLocalSessionCacheOnQuery() throws SQLException {
SqlSession sqlSession = sqlSessionFactory.openSession(ExecutorType.SIMPLE);
try {
PersonMapper personMapper = sqlSession.getMapper(PersonMapper.class);
personMapper.selectByIdNoFlush(1);
updateDatabase(sqlSession.getConnection());
Person updatedPerson = personMapper.selectByIdNoFlush(1);
assertEquals("John", updatedPerson.getFirstName());
sqlSession.commit();
} finally {
sqlSession.close();
}
}
@Test
public void testShouldFlushLocalSessionCacheOnQueryForList() throws SQLException {
SqlSession sqlSession = sqlSessionFactory.openSession(ExecutorType.SIMPLE);
try {
PersonMapper personMapper = sqlSession.getMapper(PersonMapper.class);
List<Person> people = personMapper.selectAllFlush();
updateDatabase(sqlSession.getConnection());
people = personMapper.selectAllFlush();
assertEquals("Simone", people.get(0).getFirstName());
sqlSession.commit();
} finally {
sqlSession.close();
}
}
@Test
public void testShouldNotFlushLocalSessionCacheOnQueryForList() throws SQLException {
SqlSession sqlSession = sqlSessionFactory.openSession(ExecutorType.SIMPLE);
try {
PersonMapper personMapper = sqlSession.getMapper(PersonMapper.class);
List<Person> people = personMapper.selectAllNoFlush();
updateDatabase(sqlSession.getConnection());
people = personMapper.selectAllNoFlush();
assertEquals("John", people.get(0).getFirstName());
sqlSession.commit();
} finally {
sqlSession.close();
}
}
private void updateDatabase(Connection conn) throws SQLException {
Statement stmt = conn.createStatement();
stmt.executeUpdate("UPDATE person SET firstName = 'Simone' WHERE id = 1");
stmt.close();
}
@Test
public void testUpdateShouldFlushLocalCache() throws SQLException {
SqlSession sqlSession = sqlSessionFactory.openSession(ExecutorType.SIMPLE);
try {
PersonMapper personMapper = sqlSession.getMapper(PersonMapper.class);
Person person = personMapper.selectByIdNoFlush(1);
person.setLastName("Perez"); //it is ignored in update
personMapper.update(person);
Person updatedPerson = personMapper.selectByIdNoFlush(1);
assertEquals("Smith", updatedPerson.getLastName());
assertNotSame(person, updatedPerson);
sqlSession.commit();
} finally {
sqlSession.close();
}
}
@Test
public void testSelectShouldFlushLocalCacheIfFlushLocalCacheAtferEachStatementIsTrue() throws SQLException {
sqlSessionFactory.getConfiguration().setLocalCacheScope(LocalCacheScope.STATEMENT);
SqlSession sqlSession = sqlSessionFactory.openSession(ExecutorType.SIMPLE);
try {
PersonMapper personMapper = sqlSession.getMapper(PersonMapper.class);
List<Person> people = personMapper.selectAllNoFlush();
updateDatabase(sqlSession.getConnection());
people = personMapper.selectAllFlush();
assertEquals("Simone", people.get(0).getFirstName());
sqlSession.commit();
} finally {
sqlSession.close();
}
}
}