我正在使用Mongo repositories执行CRUD操作,就像下面的代码一样。虽然这段代码可以工作,但是文档和集合会被创建在不同的数据库中,而不是我想要的那个。我该如何明确指定一个数据库名称来存储文档。
POJO类:
@Document(collection = "actors")
public class Actor
{
@Id
private String id;
...
//constructor
//setters & getters
}
代码库:
public interface ActorRepository extends MongoRepository<Actor, String>
{
public Actor findByFNameAndLName(String fName, String lName);
public Actor findByFName (String fName);
public Actor findByLName(String lName);
}
使用存储库的服务:
@Service
public class ActorService
{
@Autowired
private ActorRepository actorRepository;
public Actor insert(Actor a)
{
a.setId(null);
return actorRepository.save(a);
}
}
我从一个REST控制器类中访问该服务:
@RestController
public class Controllers
{
private static final Logger logger = Logger.getLogger(Controllers.class);
private static final ApplicationContext ctx = new AnnotationConfigApplicationContext(SpringMongoConfig.class);
@Autowire
private ActorService actorService;
@RequestMapping(value="/createActor", method=RequestMethod.POST)
public @ResponseBody String createActor(@RequestParam(value = "fName") String fName,
@RequestParam(value = "lName") String lName,
@RequestParam(value = "role") String role)
{
return actorService.insert(new Actor(null,fName,lName,role)).toString();
}
...
}
我创建了这个Spring MongoDB配置类,其中有设置数据库名称的选项,但是我无法弄清如何将其与上面的存储库一起使用。
@Configuration
public class SpringMongoConfig extends AbstractMongoConfiguration
{
@Bean
public GridFsTemplate gridFsTemplate() throws Exception
{
return new GridFsTemplate(mongoDbFactory(), mappingMongoConverter());
}
@Override
protected String getDatabaseName()
{
return "MyDB";
}
@Override
@Bean
public Mongo mongo() throws Exception
{
return new MongoClient("localhost" , 27017 );
}
public @Bean MongoTemplate mongoTemplate() throws Exception
{
return new MongoTemplate(mongo(), getDatabaseName());
}
}