DataSourceAspect.java
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package com.lhcredit.framework.aspectj;
import java.lang.reflect.Method;
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.Order;
import org.springframework.stereotype.Component;
import com.lhcredit.common.utils.StringUtils;
import com.lhcredit.framework.aspectj.lang.annotation.DataSource;
import com.lhcredit.framework.datasource.DynamicDataSourceContextHolder;
/**
* 多数据源处理
*
* @author lhcredit
*/
@Aspect
@Order(1)
@Component
public class DataSourceAspect {
protected Logger logger = LoggerFactory.getLogger(getClass());
@Pointcut("@annotation(com.lhcredit.framework.aspectj.lang.annotation.DataSource)")
public void dsPointCut() {
}
@Around("dsPointCut()")
public Object around(ProceedingJoinPoint point) throws Throwable {
MethodSignature signature = (MethodSignature) point.getSignature();
Method method = signature.getMethod();
DataSource dataSource = method.getAnnotation(DataSource.class);
if (StringUtils.isNotNull(dataSource)) {
DynamicDataSourceContextHolder.setDataSourceType(dataSource.value().name());
}
try {
return point.proceed();
} finally {
// 销毁数据源 在执行方法之后
DynamicDataSourceContextHolder.clearDataSourceType();
}
}
}