com.dexcoder.dal.spring.datasource.DynamicDsInterceptor Maven / Gradle / Ivy

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package com.dexcoder.dal.spring.datasource;

import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Pointcut;

import com.dexcoder.commons.utils.StrUtils;

/**
 * 动态数据源拦截器
 * 
 * Created by liyd on 2015-11-2.
 */
@Aspect
public class DynamicDsInterceptor {

    @Pointcut("execution(* org.springframework.jdbc.core.JdbcOperations.*(..))")
    public void executeMethod() {
        throw new UnsupportedOperationException("不支持的方法");
    }

    @Around("executeMethod()")
    public Object methodAspect(ProceedingJoinPoint pjp) throws Throwable {

        String methodName = pjp.getSignature().getName();
        if (StrUtils.startsWith(methodName, "query")) {
            DynamicDataSourceHolder.setIsWrite(false);
        } else {
            DynamicDataSourceHolder.setIsWrite(true);
        }

        return pjp.proceed();
    }

}