RootConfig(TaxiFriend)

gistfile1.txt

package ru.itis.taxiFriend.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.PropertySource;
import org.springframework.jdbc.datasource.DriverManagerDataSource;
import org.springframework.orm.jpa.JpaTransactionManager;
import org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean;
import org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter;
import org.springframework.transaction.annotation.EnableTransactionManagement;

import javax.annotation.Resource;
import javax.sql.DataSource;
import java.util.Properties;
import org.hibernate.jpa.HibernatePersistenceProvider;
import org.springframework.core.env.Environment;
import org.springframework.data.jpa.repository.config.EnableJpaRepositories;

@Configuration
@EnableTransactionManagement
@ComponentScan(basePackages = {"ru.itis.taxiFriend.model"})
@PropertySource("classpath:/app.properties")
public class RootConfig {

    @Resource
    private Environment env;

    @Bean
    public DataSource dataSource() {
        DriverManagerDataSource dataSource = new DriverManagerDataSource();

        dataSource.setDriverClassName(env.getRequiredProperty("db.driver"));
        dataSource.setUrl(env.getRequiredProperty("db.url"));
        dataSource.setUsername(env.getRequiredProperty("db.username"));
        dataSource.setPassword(env.getRequiredProperty("db.password"));

        return dataSource;
    }

    @Bean
    public LocalContainerEntityManagerFactoryBean entityManagerFactory() {
        LocalContainerEntityManagerFactoryBean entityManagerFactoryBean = new LocalContainerEntityManagerFactoryBean();
        entityManagerFactoryBean.setDataSource(dataSource());
        entityManagerFactoryBean.setPersistenceProviderClass(HibernatePersistenceProvider.class);
        entityManagerFactoryBean.setPackagesToScan(env.getRequiredProperty("entitymanager.packages.to.scan"));
        HibernateJpaVendorAdapter jpaVendorAdapter = new HibernateJpaVendorAdapter();
        jpaVendorAdapter.setGenerateDdl(true);
        entityManagerFactoryBean.setJpaVendorAdapter(jpaVendorAdapter);
        entityManagerFactoryBean.setJpaProperties(getHibernateProperties());

        return entityManagerFactoryBean;
    }

    @Bean
    public JpaTransactionManager transactionManager() {
        JpaTransactionManager transactionManager = new JpaTransactionManager();
        transactionManager.setEntityManagerFactory(entityManagerFactory().getObject());

        return transactionManager;
    }

    private Properties getHibernateProperties() {
        Properties properties = new Properties();
        properties.put("hibernate.dialect", env.getRequiredProperty("hibernate.dialect"));
        properties.put("hibernate.show_sql", env.getRequiredProperty("hibernate.show_sql"));
        properties.put("hibernate.hbm2ddl.auto", env.getRequiredProperty("hibernate.hbm2ddl.auto"));
        properties.put("hibernate.enable_lazy_load_no_trans", env.getRequiredProperty("hibernate.enable_lazy_load_no_trans"));

        return properties;
    }

}