AppConfig.java

package com.exadel.config;


import com.exadel.model.entity.training.Entry;
import com.exadel.model.entity.training.Training;
import com.exadel.model.entity.user.User;
import org.hibernate.SessionFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.autoconfigure.security.SecurityProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Import;
import org.springframework.core.annotation.Order;
import org.springframework.jdbc.datasource.DriverManagerDataSource;
import org.springframework.orm.hibernate4.HibernateTransactionManager;
import org.springframework.orm.hibernate4.LocalSessionFactoryBuilder;
import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
import org.springframework.stereotype.Component;

import javax.sql.DataSource;


@Configuration
@Component
@ComponentScan({ "com.exadel.*" })
@Import({ SecurityConfig.class })
public class AppConfig {

    @Bean(name = "dataSource")
    public DriverManagerDataSource dataSource() {
        DriverManagerDataSource driverManagerDataSource = new DriverManagerDataSource();
        driverManagerDataSource.setDriverClassName("com.mysql.jdbc.Driver");
        driverManagerDataSource.setUrl("jdbc:mysql://localhost:3306/trainings");
        driverManagerDataSource.setUsername("exadel");
        driverManagerDataSource.setPassword("exadel");
        return driverManagerDataSource;
    }

    @Autowired
    @Bean(name = "sessionFactory")
    public SessionFactory getSessionFactory(DataSource dataSource) {

        LocalSessionFactoryBuilder sessionBuilder = new LocalSessionFactoryBuilder(dataSource);

        sessionBuilder.addAnnotatedClasses(User.class, Training.class, Entry.class);

        sessionBuilder.scanPackages("com.exadel");
        return sessionBuilder.buildSessionFactory();
    }
    @Autowired
    @Bean(name = "transactionManager")
    public HibernateTransactionManager getTransactionManager(
            SessionFactory sessionFactory) {
        HibernateTransactionManager transactionManager = new HibernateTransactionManager(
                sessionFactory);

        return transactionManager;
    }
}