package org.apache.ibatis.submitted.deferload_common_property;
import static org.junit.Assert.*;
import java.io.Reader;
import java.sql.Connection;
import java.sql.DriverManager;
import java.util.ArrayList;
import java.util.List;
import org.apache.ibatis.io.Resources;
import org.apache.ibatis.jdbc.ScriptRunner;
import org.apache.ibatis.session.ResultContext;
import org.apache.ibatis.session.ResultHandler;
import org.apache.ibatis.session.SqlSession;
import org.apache.ibatis.session.SqlSessionFactory;
import org.apache.ibatis.session.SqlSessionFactoryBuilder;
import org.junit.BeforeClass;
import org.junit.Test;
public class CommonPropertyDeferLoadError {
private static SqlSessionFactory sqlSessionFactory;
private static SqlSessionFactory lazyLoadSqlSessionFactory;
@BeforeClass
public static void initDatabase() throws Exception {
Connection conn = null;
try {
Class.forName("org.hsqldb.jdbcDriver");
conn = DriverManager.getConnection("jdbc:hsqldb:mem:deferload_common_property", "sa",
"");
Reader reader = Resources.getResourceAsReader("org/apache/ibatis/submitted/deferload_common_property/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/deferload_common_property/ibatisConfig.xml");
sqlSessionFactory = new SqlSessionFactoryBuilder().build(reader);
reader = Resources.getResourceAsReader("org/apache/ibatis/submitted/deferload_common_property/lazyLoadIbatisConfig.xml");
lazyLoadSqlSessionFactory = new SqlSessionFactoryBuilder().build(reader);
reader.close();
} finally {
if (conn != null) {
conn.close();
}
}
}
@Test
public void testDeferLoadAfterResultHandler() {
SqlSession sqlSession = sqlSessionFactory.openSession();
try {
class MyResultHandler implements ResultHandler {
List<Child> children = new ArrayList<Child>();
public void handleResult(ResultContext context) {
Child child = (Child)context.getResultObject();
children.add(child);
}
};
MyResultHandler myResultHandler = new MyResultHandler();
sqlSession.select("org.apache.ibatis.submitted.deferload_common_property.ChildMapper.selectAll", myResultHandler);
for (Child child: myResultHandler.children) {
assertNotNull(child.getFather());
}
} finally {
sqlSession.close();
}
}
@Test
public void testDeferLoadDuringResultHandler() {
SqlSession sqlSession = sqlSessionFactory.openSession();
try {
class MyResultHandler implements ResultHandler {
public void handleResult(ResultContext context) {
Child child = (Child)context.getResultObject();
assertNotNull(child.getFather());
}
};
sqlSession.select("org.apache.ibatis.submitted.deferload_common_property.ChildMapper.selectAll", new MyResultHandler());
} finally {
sqlSession.close();
}
}
@Test
public void testDeferLoadAfterResultHandlerWithLazyLoad() {
SqlSession sqlSession = lazyLoadSqlSessionFactory.openSession();
try {
class MyResultHandler implements ResultHandler {
List<Child> children = new ArrayList<Child>();
public void handleResult(ResultContext context) {
Child child = (Child)context.getResultObject();
children.add(child);
}
};
MyResultHandler myResultHandler = new MyResultHandler();
sqlSession.select("org.apache.ibatis.submitted.deferload_common_property.ChildMapper.selectAll", myResultHandler);
for (Child child: myResultHandler.children) {
assertNotNull(child.getFather());
}
} finally {
sqlSession.close();
}
}
@Test
public void testDeferLoadDuringResultHandlerWithLazyLoad() {
SqlSession sqlSession = lazyLoadSqlSessionFactory.openSession();
try {
class MyResultHandler implements ResultHandler {
public void handleResult(ResultContext context) {
Child child = (Child)context.getResultObject();
assertNotNull(child.getFather());
}
};
sqlSession.select("org.apache.ibatis.submitted.deferload_common_property.ChildMapper.selectAll", new MyResultHandler());
} finally {
sqlSession.close();
}
}
}