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/**
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* Copyright (C), 2015-2019
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* Author: HJL
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* Date: 2019/6/4 15:51
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* Description: 定义DataSource的注解
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*/
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package com.emr.util;
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import java.lang.annotation.Documented;
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import java.lang.annotation.ElementType;
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import java.lang.annotation.Retention;
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import java.lang.annotation.RetentionPolicy;
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import java.lang.annotation.Target;
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//RetentionPolicy.RUNTIME注解不仅被保存到class文件中，jvm加载class文件之后，仍然存在
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@Retention(RetentionPolicy.RUNTIME)
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@Target({ElementType.METHOD, ElementType.TYPE})
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@Documented
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public @interface DataSourceChange {
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String dataSource() default "";
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}
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