Spring Boot发布事件订阅

Spring Boot发布事件订阅代码记录

	@Resource
	private ApplicationContext applicationContext;




	//发布事件
	applicationContext.publishEvent(new CreateTreeEvent(this, new CreateTreeEventParameter(project.getId())));

public class CreateTreeEvent extends ApplicationEvent {

	private final CreateTreeEventParameter parameter;

	public CreateTreeEvent(Object source, CreateTreeEventParameter parameter) {
		super(source);
		this.parameter = parameter;
	}

	public CreateTreeEventParameter getParameter() {
		return this.parameter;
	}
}

@EqualsAndHashCode(callSuper = true)
@NoArgsConstructor
@Data
public class CreateTreeEventParameter extends NavigatTreeEventParameter{


	public CreateTreeEventParameter(Long projectId){
		super(projectId);
	}
}

@Slf4j
@Component
public class CreateTreeListener {





	@TransactionalEventListener(fallbackExecution = true)
	public void onApplicationEvent(@NotNull CreateTreeEvent event) {
		log.info("CreateTreeListener onApplicationEvent projectId:{}, parameter:{}", event.getParameter().getProjectId(),
			event.getParameter());
		// TODO 事件监听后处理业务
		});

	}
}

@Data
@NoArgsConstructor
@AllArgsConstructor
public class NavigatTreeEventParameter implements Serializable {
	private Long projectId;
}