当我创建 @RepositoryRestController
对于实体,关联的 @RepositoryEventHandler
方法不是通过 Spring Boot 1.4.0.M3(也是 Spring Boot 1.3.5)在 Spring Data REST 中触发的——这是一个错误,还是设计的?
我有一个 Account
具有 @RepositoryEventHandler
的实体:
@Slf4j
@Component
@RepositoryEventHandler(Account.class)
public class AccountEventBridge {
@HandleBeforeCreate
public void handleBeforeCreate(Account account){
log.info("Before create " + account);
}
@HandleAfterCreate
public void handleAfterCreate(Account account){
log.info("Created " + account);
}
}
当我发布时它们应该触发:
curl -H "Content-Type: application/json" -X POST
-d '{"name":"aaa", "owner":{"email":"aaa@1010","password":"snap"}}'
http://localhost:8080/api/accounts
除非我添加
@RepositoryRestController
:@RepositoryRestController
public class AccountRespositoryRestController {
private final AccountRepository repository;
@Autowired
public AccountRespositoryRestController(AccountRepository repository) {
this.repository = repository;
}
@RequestMapping(method = RequestMethod.POST,value = "/accounts")
public @ResponseBody PersistentEntityResource post(
@RequestBody Account account,
PersistentEntityResourceAssembler assembler) {
// ...
Account entity = this.repository.save(account);
return assembler.toResource(entity);
}
}
当我注释掉
@RepositoryRestController
注释,@RepositoryEventHandler
方法再次触发。似乎这些应该独立运行,因为它们在 Spring Data REST 中操作两个不同的概念层——还是我误解了什么?
如果这是故意的,那就太不幸了——我必须实现所有 HTTP 方法来自己为任何具有
@RepositoryRestController
的实体创建事件。 .真的是这个意图吗?
最佳答案
它已实现。 :-)@RepositoryRestController
中定义的方法实现替换默认RepositoryEntityController中的方法发布@RepositoryEventHandler
事件。
但是添加这些事件很容易使 @RepositoryRestControll
一个 ApplicationEventPublisherAware
实现和发布事件,如默认 RepositoryEntityController
执行:
@Slf4j
@RepositoryRestController
@AllArgConstructor
public class AccountRespositoryRestController
implements ApplicationEventPublisherAware {
private final AccountRepository repository;
private ApplicationEventPublisher publisher;
@Override
public void setApplicationEventPublisher(
ApplicationEventPublisher publisher) {
this.publisher = publisher;
}
@RequestMapping(method = RequestMethod.POST,value = "/accounts")
public @ResponseBody PersistentEntityResource post(
@RequestBody Account account,
PersistentEntityResourceAssembler assembler) {
// ...
publisher.publishEvent(new BeforeCreateEvent(account));
Account entity = this.repository.save(account);
publisher.publishEvent(new AfterCreateEvent(entity));
return assembler.toResource(entity);
}
}
您也可以在不创建类
ApplicationEventPublisherAware
的情况下注入(inject)发布者:@Slf4j
@RepositoryRestController
@AllArgConstructor
public class AccountRespositoryRestController {
private final AccountRepository repository;
private final ApplicationEventPublisher publisher;
@RequestMapping(method = RequestMethod.POST,value = "/accounts")
public @ResponseBody PersistentEntityResource post(
@RequestBody Account account,
PersistentEntityResourceAssembler assembler) {
// ...
publisher.publishEvent(new BeforeCreateEvent(account));
Account entity = this.repository.save(account);
publisher.publishEvent(new AfterCreateEvent(entity));
return assembler.toResource(entity);
}
}
关于spring-boot - @RepositoryEventHandler 事件以 @RepositoryRestController 停止,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/37603231/