33 lines
1.1 KiB
Java
33 lines
1.1 KiB
Java
package com.common.dynamic.datasource;
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import lombok.extern.slf4j.Slf4j;
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import org.aspectj.lang.JoinPoint;
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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.springframework.stereotype.Component;
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@Slf4j
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@Aspect
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@Component
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public class DynamicDataSourceAspect {
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@Before("@annotation(ds)")
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public void changeDataSource(JoinPoint point, DataSource ds) throws Throwable {
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String dsId = ds.value();
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if (DynamicDataSourceContextHolder.dataSourceIds.contains(dsId)) {
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log.debug("Use DataSource :{} >", dsId, point.getSignature());
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} else {
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log.info("数据源[{}]不存在，使用默认数据源 >{}", dsId, point.getSignature());
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DynamicDataSourceContextHolder.setDataSourceRouterKey(dsId);
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}
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}
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@After("@annotation(ds)")
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public void restoreDataSource(JoinPoint point, DataSource ds) {
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log.debug("Revert DataSource : " + ds.value() + " > " + point.getSignature());
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DynamicDataSourceContextHolder.removeDataSourceRouterKey();
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}
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}
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