cn.m1c.frame.component.DataSourceAspect Maven / Gradle / Ivy
package cn.m1c.frame.component;
import java.lang.reflect.Method;
import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.reflect.MethodSignature;
/**
* 2016年11月19日 使用aop动态改变数据源
* @author phil([email protected],m1c softCo.,ltd)
* @version lannie
*/
public class DataSourceAspect {
public void before(JoinPoint point)
{
Object target = point.getTarget();
String method = point.getSignature().getName();
Class[] classz = target.getClass().getInterfaces();
Class[] parameterTypes = ((MethodSignature) point.getSignature())
.getMethod().getParameterTypes();
try {
Method m = classz[0].getMethod(method, parameterTypes);
if (m != null && m.isAnnotationPresent(DataSource.class)) {
DataSource data = m
.getAnnotation(DataSource.class);
DynamicDataSourceHolder.putDataSource(data.value());
System.out.println(data.value());
}
} catch (Exception e) {
}
}
}