ewr

    @Bean(name = "dataSource")
    public DriverManagerDataSource getDataSource() {
        DriverManagerDataSource dataSource = new DriverManagerDataSource();
        dataSource.setDriverClassName("org.postgresql.Driver");
        dataSource.setUrl("jdbc:postgresql://localhost:5432/vetclinic");
        dataSource.setUsername("postgres");
        dataSource.setPassword("root");

        return dataSource;
    }

    @Autowired
    @Bean(name = "sessionFactory")
    public AnnotationSessionFactoryBean getSessionFactory(DataSource dataSource){
        AnnotationSessionFactoryBean sessionFactory = new AnnotationSessionFactoryBean();
        sessionFactory.setDataSource(dataSource);
        sessionFactory.setPackagesToScan("su.vetclinic.entity");
        Properties hibernateProperties = new Properties();
        hibernateProperties.setProperty("hibernate.dialect", "org.hibernate.dialect.PostgreSQLDialect");
        hibernateProperties.setProperty("show_sql", "true");
        hibernateProperties.setProperty("hbm2ddl.auto", "create");
        sessionFactory.setHibernateProperties(hibernateProperties);
        return sessionFactory;
    }

    @Autowired
    @Bean(name="transactionManager")
    public HibernateTransactionManager getTransactionManager(SessionFactory sessionFactory){
        HibernateTransactionManager transactionManager = new HibernateTransactionManager();
        transactionManager.setSessionFactory(sessionFactory);
        return transactionManager;
    }