com.github.wangchenning.datasource.config.DynamicDataSourceContextHolder Maven / Gradle / Ivy

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package com.github.wangchenning.datasource.config;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.util.ArrayList;
import java.util.List;

public class DynamicDataSourceContextHolder {



    private static Logger logger = LoggerFactory.getLogger(DynamicDataSourceContextHolder.class);

    /**
     * 存储已经注册的数据源的key
     */
    public static List dataSourceIds = new ArrayList<>();

    /**
     * 线程级别的私有变量
     */
    private static final ThreadLocal HOLDER = new ThreadLocal<>();

    public static String getDataSourceRouterKey () {
        return HOLDER.get();
    }

    public static void setDataSourceRouterKey (String dataSourceRouterKey) {
        logger.info("切换至{}数据源", dataSourceRouterKey);
        HOLDER.set(dataSourceRouterKey);
    }

    /**
     * 设置数据源之前一定要先移除
     */
    public static void removeDataSourceRouterKey () {
        HOLDER.remove();
    }

    /**
     * @param dataSourceId
     * @deprecated 判断指定DataSrouce当前是否存在
     * @return boolean
     */
    public static boolean containsDataSource(String dataSourceId){
        return dataSourceIds.contains(dataSourceId);
    }

}