DsAspect.java
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package com.huaheng.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.huaheng.common.utils.StringUtils;
import com.huaheng.framework.aspectj.lang.annotation.Ds;
import com.huaheng.framework.datasource.DynamicDataSourceContextHolder;
/**
* 多数据源处理
* @author huaheng
*/
@Aspect
@Order(1)
@Component
public class DsAspect {
protected Logger logger = LoggerFactory.getLogger(getClass());
@Pointcut("@annotation(com.huaheng.framework.aspectj.lang.annotation.Ds)")
public void dsPointCut() {
}
@Around("dsPointCut() && @annotation(ds)")
public Object around(ProceedingJoinPoint point, Ds ds) throws Throwable {
MethodSignature signature = (MethodSignature)point.getSignature();
Method method = signature.getMethod();
if (method.isAnnotationPresent(Ds.class)) {
Ds dataSource = method.getAnnotation(Ds.class);
if (StringUtils.isNotNull(dataSource) && StringUtils.isNotEmpty(dataSource.name())) {
DynamicDataSourceContextHolder.setDB(dataSource.name());
}
}
try {
return point.proceed();
} finally {
DynamicDataSourceContextHolder.clearDB();
}
}
}