Using annotated classes in SchemaExport(Hibernate 5.1).

ru.ivanche.clientmanager.util.HibernateUtil

package ru.ivanche.clientmanager.util;

import org.hibernate.boot.MetadataBuilder;
import org.hibernate.boot.MetadataSources;
import org.hibernate.boot.registry.BootstrapServiceRegistry;
import org.hibernate.boot.registry.BootstrapServiceRegistryBuilder;
import org.hibernate.boot.registry.StandardServiceRegistry;
import org.hibernate.boot.registry.StandardServiceRegistryBuilder;
import org.hibernate.boot.spi.MetadataImplementor;
import org.hibernate.cfg.Environment;
import org.hibernate.tool.hbm2ddl.SchemaExport;
import org.hibernate.tool.hbm2ddl.TargetTypeHelper;
import ru.ivanche.clientmanager.dao.Client;

import java.io.FileInputStream;
import java.util.Properties;

/**
 * @author IvanChe <ivanche.freelancer@gmail.com>.
 */
public class HibernateUtil {
    final static String userDir = Environment.getProperties().getProperty("user.dir");

    public static void main(String[] args) {
        try {
            StandardServiceRegistry serviceRegistry = buildStandardServiceRegistry(args);

            final MetadataImplementor metadata = buildMetadata( serviceRegistry );
            final String outputFile = userDir + "/init.sql";

            new SchemaExport()
                    .setHaltOnError( false )
                    .setOutputFile(outputFile)
                    .setFormat( true )
                    .execute( TargetTypeHelper.parseLegacyCommandLineOptions(true, false, outputFile),
                            SchemaExport.Action.BOTH, metadata, serviceRegistry );
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    private static MetadataImplementor buildMetadata(StandardServiceRegistry serviceRegistry) {

        final MetadataSources metadataSources = new MetadataSources( serviceRegistry );
        final MetadataBuilder metadataBuilder = metadataSources.getMetadataBuilder();

        metadataSources.addAnnotatedClass(Client.class);

        return (MetadataImplementor) metadataBuilder.build();
    }

    private static StandardServiceRegistry buildStandardServiceRegistry(String[] args)
            throws Exception {
        final BootstrapServiceRegistry bsr = new BootstrapServiceRegistryBuilder().build();
        final StandardServiceRegistryBuilder ssrBuilder = new StandardServiceRegistryBuilder( bsr );

        Properties properties = new Properties();
        properties.load( new FileInputStream( userDir + "/src/main/resources/config/hibernate.properties") );
        ssrBuilder.applySettings( properties );

        return ssrBuilder.build();
    }
}