Java tutorial
/** * Copyright 2013-2017 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.mybatis.cdi; import java.io.IOException; import java.io.Reader; import java.sql.Connection; import javax.enterprise.context.ApplicationScoped; import javax.enterprise.inject.Disposes; import javax.enterprise.inject.Produces; import javax.inject.Named; import org.apache.ibatis.io.Resources; import org.apache.ibatis.jdbc.ScriptRunner; import org.apache.ibatis.session.SqlSession; import org.apache.ibatis.session.SqlSessionFactory; import org.apache.ibatis.session.SqlSessionFactoryBuilder; import org.apache.ibatis.session.SqlSessionManager; public class ManagerProducers { private SqlSessionFactory createSessionManager(int n) throws IOException { Reader reader = Resources.getResourceAsReader("org/mybatis/cdi/mybatis-config_" + n + ".xml"); SqlSessionFactory manager = new SqlSessionFactoryBuilder().build(reader); reader.close(); SqlSession session = manager.openSession(); Connection conn = session.getConnection(); reader = Resources.getResourceAsReader("org/mybatis/cdi/CreateDB_" + n + ".sql"); ScriptRunner runner = new ScriptRunner(conn); runner.setLogWriter(null); runner.runScript(reader); reader.close(); session.close(); return manager; } private SqlSessionFactory createSessionManagerJTA() throws IOException { Reader reader = Resources.getResourceAsReader("org/mybatis/cdi/mybatis-config_jta.xml"); SqlSessionFactory manager = new SqlSessionFactoryBuilder().build(reader); reader.close(); SqlSession session = manager.openSession(); Connection conn = session.getConnection(); reader = Resources.getResourceAsReader("org/mybatis/cdi/CreateDB_JTA.sql"); ScriptRunner runner = new ScriptRunner(conn); runner.setLogWriter(null); runner.runScript(reader); reader.close(); session.close(); return manager; } @ApplicationScoped @Named("manager1") @Produces @SessionFactoryProvider public SqlSessionFactory createManager1() throws IOException { return createSessionManager(1); } @ApplicationScoped @Named("manager2") @Produces @SessionFactoryProvider public SqlSessionFactory createManager2() throws IOException { return createSessionManager(2); } @ApplicationScoped @Produces @MySpecialManager @OtherQualifier @SessionFactoryProvider public SqlSessionFactory createManager3() throws IOException { return createSessionManager(3); } @ApplicationScoped @Produces @JtaManager @SessionFactoryProvider public SqlSessionFactory createManagerJTA() throws IOException { return createSessionManagerJTA(); } @ApplicationScoped @Produces @Named("unmanaged") public SqlSession createNonCdiManagedSession() throws IOException { return SqlSessionManager.newInstance(createSessionManager(4)); } @ApplicationScoped @Named("unmanaged") public void closeNonCdiManagedSession(@Disposes SqlSession session) { session.close(); } }