同步升级3.0

疯狂的狮子li

2020-07-20 1e79d6f56fbd9a054800f1c62fd95bacda37c6b3

 ruoyi-framework/src/main/java/com/ruoyi/framework/aspectj/DataSourceAspect.java

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@@ -0,0 +1,72 @@
package com.ruoyi.framework.aspectj;

import java.util.Objects;
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.aspectj.lang.reflect.MethodSignature;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.core.annotation.AnnotationUtils;
import org.springframework.core.annotation.Order;
import org.springframework.stereotype.Component;
import com.ruoyi.common.annotation.DataSource;
import com.ruoyi.common.utils.StringUtils;
import com.ruoyi.framework.datasource.DynamicDataSourceContextHolder;

/**
 * å¤šæ•°æ®æºå¤„理
 * 
 * @author ruoyi
 */
@Aspect
@Order(1)
@Component
public class DataSourceAspect
{
    protected Logger logger = LoggerFactory.getLogger(getClass());

    @Pointcut("@annotation(com.ruoyi.common.annotation.DataSource)"
            + "|| @within(com.ruoyi.common.annotation.DataSource)")
    public void dsPointCut()
    {

    }

    @Around("dsPointCut()")
    public Object around(ProceedingJoinPoint point) throws Throwable
    {
        DataSource dataSource = getDataSource(point);

        if (StringUtils.isNotNull(dataSource))
        {
            DynamicDataSourceContextHolder.setDataSourceType(dataSource.value().name());
        }

        try
        {
            return point.proceed();
        }
        finally
        {
            // é”€æ¯æ•°æ®æº åœ¨æ‰§è¡Œæ–¹æ³•ä¹‹åŽ
            DynamicDataSourceContextHolder.clearDataSourceType();
        }
    }

    /**
     * èŽ·å–需要切换的数据源
     */
    public DataSource getDataSource(ProceedingJoinPoint point)
    {
        MethodSignature signature = (MethodSignature) point.getSignature();
        DataSource dataSource = AnnotationUtils.findAnnotation(signature.getMethod(), DataSource.class);
        if (Objects.nonNull(dataSource))
        {
            return dataSource;
        }

        return AnnotationUtils.findAnnotation(signature.getDeclaringType(), DataSource.class);
    }
}