[英]Custom MongoDB spring data repository
我想用Spring数据mongodb实现自定义repo。 Application.java:
@SpringBootApplication
public class Application implements CommandLineRunner{
@Autowired
private CustomerRepositoryCustom repo;
public static void main(String[] args) {
SpringApplication.run(Application.class, args);
}
@Override
public void run(String... args) throws Exception {
System.out.println(this.repo.customMethod());
}
}
我的自定义存储库CustomerRepositoryCustom.java
public interface CustomerRepositoryCustom {
List<Customer> customMethod();
}
自定义实现CustomCustomerRepositoryImpl.java
public class CustomCustomerRepositoryImpl implements CustomerRepositoryCustom {
@Autowired
private MongoTemplate mongoTemplate;
@Override
public List<Customer> customMethod() {
return this.mongoTemplate.findAll(Customer.class);
}
}
代码结构
-Application.java
dal
model...
repository
-CustomCustomerRepositoryImpl.java
-CustomerRepositoryCustom.java
当我尝试构建它时,我收到一个错误:
**Description**:
Field repo in socketApp.Application required a bean of type 'socketApp.dal.repository.CustomerRepositoryCustom' that could not be found.
**Action**:
Consider defining a bean of type 'socketApp.dal.repository.CustomerRepositoryCustom' in your configuration.
您必须让Spring 知道您的存储库。 对于Spring Boot应用程序,通常通过将此注释添加到应用程序来完成...
@EnableMongoRepositories("com.package.path.to.repository")
....从而告诉Spring Boot在哪里查找Mongo存储库,然后让你的接口扩展org.springframework.data.mongodb.repository.MongoRepository
。
例如:
public interface CustomerRepositoryCustom extends MongoRepository {
List<Customer> customMethod();
}
或者,你可以注解你CustomCustomerRepositoryImpl
与@Repository
,并确保它是在由春启动扫描的包。
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