configfile

package bg.softuni.hibernate.configuration;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.PropertySource;
import org.springframework.core.env.Environment;
import org.springframework.data.jpa.repository.config.EnableJpaRepositories;
import org.springframework.jdbc.datasource.DriverManagerDataSource;
import org.springframework.orm.jpa.JpaTransactionManager;
import org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean;
import org.springframework.orm.jpa.vendor.Database;
import org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter;
import org.springframework.transaction.PlatformTransactionManager;
import org.springframework.transaction.annotation.EnableTransactionManagement;

import javax.persistence.EntityManagerFactory;
import javax.sql.DataSource;
import java.util.Properties;

@Configuration
@EnableJpaRepositories(basePackages = "bg.softuni.hibernate.repositories")
@EnableTransactionManagement
@PropertySource(value = "application.properties")
public class JavaConfig {

    private final Environment environment;

    @Autowired
    public JavaConfig(Environment environment) {
        this.environment = environment;
    }

    @Bean
    public DataSource dataSource() {
        DriverManagerDataSource driverManagerDataSource = new DriverManagerDataSource();
        driverManagerDataSource.setDriverClassName(this.environment
                .getProperty("spring.datasource.driverClassName"));
        driverManagerDataSource.setUrl(this.environment
                .getProperty("spring.datasource.url"));
        driverManagerDataSource.setUsername(this.environment
                .getProperty("spring.datasource.username"));
        driverManagerDataSource.setPassword(this.environment
                .getProperty("spring.datasource.password"));
        return driverManagerDataSource;
    }

    @Bean
    public EntityManagerFactory entityManagerFactory() {
        HibernateJpaVendorAdapter vendorAdapter = new HibernateJpaVendorAdapter();
        vendorAdapter.setDatabase(Database.MYSQL);
        vendorAdapter.setGenerateDdl(true);
        vendorAdapter.setShowSql(true);
        LocalContainerEntityManagerFactoryBean factory = new LocalContainerEntityManagerFactoryBean();
        factory.setJpaVendorAdapter(vendorAdapter);
        factory.setPackagesToScan("bg.softuni.hibernate.entities");
        factory.setDataSource(this.dataSource());
        Properties jpaProperties = new Properties();
        jpaProperties.setProperty("hibernate.hbm2ddl.auto", "create");
        jpaProperties.setProperty("hibernate.format_sql", "true");
        factory.setJpaProperties(jpaProperties);
        factory.afterPropertiesSet();
        return factory.getObject();
    }

    @Bean
    public PlatformTransactionManager transactionManager() {
        JpaTransactionManager txManager = new JpaTransactionManager();
        txManager.setEntityManagerFactory(this.entityManagerFactory());
        return txManager;
    }
}