elastic-data-test/elastic-publish-service/src/main/java/com/vcarecity/publish/aop/PrepareAopController.java

package com.vcarecity.publish.aop;

import com.vcarecity.publish.api.ApiResult;
import com.vcarecity.publish.controller.PrepareController;
import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Pointcut;
import org.springframework.stereotype.Component;

/**
 * @author VcKerry on 12/20/19
 */

@Aspect
@Component
public class PrepareAopController {


    @Pointcut("execution(public * com.vcarecity.publish.controller.*.*(..))")
    public void preparePointcut() {

    }


    @Around("preparePointcut()")
    public Object check(ProceedingJoinPoint pjp) throws Throwable {
        Object target = pjp.getTarget();

        if (target instanceof PrepareController) {

            if (((PrepareController) target).isPrepare()) {
                return pjp.proceed();
            }
            // 数据没有准备好...
            return ApiResult.builder().status(40000).message("data loading ").build();
        }

        return pjp.proceed();
    }

}