public class AppInitializer implements WebApplicationInitializer {

public static final String BASE_PACKAGE = "org.forweb.yourproject";
  @Override
  public void onStartup(ServletContext container) {
    HibernateSupport.init("localhost", "databaseUser", "databaseUserPassword", "database_name", "org.forweb.entity");
////////////////
@Configuration
@ComponentScan(basePackages = {
        BASE_PACKAGE,
        "org.forweb.database"
})
@EnableJpaRepositories(AppInitializer.BASE_PACKAGE + ".dao")
public class SpringConfiguration {

/////////////////
package org.forweb.entity;

import org.forweb.database.AbstractEntity;
import javax.persistence.Entity;

@Entity
public class Map extends AbstractEntity {
    private String title;
    private Integer x;
    private Integer y;
    //getters and setters
}
/////////////////////////////
package org.forweb.dao;

import org.forweb.entity.Map;
import org.forweb.database.AbstractDao;
import org.springframework.stereotype.Repository;

@Repository
public interface MapDao extends AbstractDao<Map> {
}

////////////////////////
package org.forweb.service;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import javax.annotation.PostConstruct;
import java.util.List;

@Service
public class MapService {
  @Autowired
  MapDao mapDao;

  @PostConstruct
  public void postConstruct() {
      List<Map> maps = mapDao.findAll();
      System.out.println(maps);
  }