Java tutorial
/** * Copyright 2014 Andrew Clemons * * 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 nz.geek.caffe.hdb.hibernate.demo; import javax.sql.DataSource; import org.hibernate.SessionFactory; import org.hibernate.cfg.AvailableSettings; import org.hibernate.dialect.HANAColumnStoreDialect; import org.junit.Assert; import org.junit.Before; import org.junit.Test; import org.springframework.jdbc.datasource.DriverManagerDataSource; import org.springframework.orm.hibernate4.HibernateTransactionManager; import org.springframework.orm.hibernate4.HibernateOperations; import org.springframework.orm.hibernate4.HibernateTemplate; import org.springframework.orm.hibernate4.LocalSessionFactoryBuilder; import org.springframework.transaction.TransactionStatus; import org.springframework.transaction.support.TransactionCallback; import org.springframework.transaction.support.TransactionOperations; import org.springframework.transaction.support.TransactionTemplate; /** */ public class TestEmployee { private SessionFactory sessionFactory; HibernateOperations template; private TransactionOperations transactionTemplate; /** */ @Before public void setUp() { final DataSource ds = new DriverManagerDataSource( System.getProperty("jdbc.url", "jdbc:sap://localhost:30115"), System.getProperty("jdbc.user", "hibernate"), System.getProperty("jdbc.password", "hibernate")); final LocalSessionFactoryBuilder builder = new LocalSessionFactoryBuilder(ds); builder.setProperty(AvailableSettings.DIALECT, System.getProperty("hibernate.dialect", HANAColumnStoreDialect.class.getName())); builder.setProperty(AvailableSettings.HBM2DDL_AUTO, "create-drop"); builder.setProperty(AvailableSettings.USE_NEW_ID_GENERATOR_MAPPINGS, "true"); builder.addAnnotatedClass(Employee.class); this.sessionFactory = builder.buildSessionFactory(); final HibernateTemplate ht = new HibernateTemplate(); ht.setSessionFactory(this.sessionFactory); ht.afterPropertiesSet(); this.template = ht; final HibernateTransactionManager txnMgr = new HibernateTransactionManager(); txnMgr.setDataSource(ds); txnMgr.setSessionFactory(this.sessionFactory); txnMgr.afterPropertiesSet(); this.transactionTemplate = new TransactionTemplate(txnMgr); } /** */ @Test public void testHdb() { final String name = "Timmi Tester"; final Integer id = this.transactionTemplate.execute(new TransactionCallback<Integer>() { public Integer doInTransaction(TransactionStatus status) { final Employee e = new Employee(); e.setName(name); TestEmployee.this.template.save(e); return Integer.valueOf(e.getId()); } }); final Employee employee = this.template.get(Employee.class, id); Assert.assertEquals(name, employee.getName()); } }