完成主要在线 session 的功能
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package com.ruoyi.framework.datasource;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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/**
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* 数据源切换处理
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*
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* @author ruoyi
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*/
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public class DynamicDataSourceContextHolder {
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public static final Logger log = LoggerFactory.getLogger(DynamicDataSourceContextHolder.class);
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/**
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* 使用ThreadLocal维护变量,ThreadLocal为每个使用该变量的线程提供独立的变量副本,
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* 所以每一个线程都可以独立地改变自己的副本,而不会影响其它线程所对应的副本。
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*/
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private static final ThreadLocal<String> CONTEXT_HOLDER = new ThreadLocal<>();
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/**
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* 设置数据源的变量
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*/
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public static void setDataSourceType(String dsType) {
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log.info("切换到{}数据源", dsType);
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CONTEXT_HOLDER.set(dsType);
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}
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/**
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* 获得数据源的变量
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*/
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public static String getDataSourceType() {
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return CONTEXT_HOLDER.get();
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}
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/**
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* 清空数据源变量
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*/
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public static void clearDataSourceType() {
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CONTEXT_HOLDER.remove();
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}
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}
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