package com.ld.igds.aop;
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import com.ld.igds.annotation.DataSource;
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import com.ld.igds.conf.DataSourceContextHolder;
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import lombok.extern.slf4j.Slf4j;
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import org.aspectj.lang.annotation.After;
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import org.aspectj.lang.annotation.Aspect;
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import org.aspectj.lang.annotation.Before;
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import org.aspectj.lang.annotation.Pointcut;
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import org.springframework.core.annotation.Order;
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import org.springframework.stereotype.Component;
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/**
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* 在使用不同数据源时候，使用@DatSource注解
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* @author Andy
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*
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*/
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@Slf4j
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@Component
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@Aspect
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@Order(-100)
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public class DataSourceAspect {
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@Pointcut("@within(com.ld.igds.annotation.DataSource) || "
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+ "@annotation(com.ld.igds.annotation.DataSource)")
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public void pointCut() {
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}
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@Before("pointCut() && @annotation(dataSource)")
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public void doBefore(DataSource dataSource) {
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log.debug("当前选择的数据源为：{}",dataSource.value().getValue());
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DataSourceContextHolder.setDataSource(dataSource.value().getValue());
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}
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@After("pointCut()")
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public void doAfter() {
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DataSourceContextHolder.clear();
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}
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}
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