com.jn.nacos.plugin.datasource.NacosDatabaseDialectManager Maven / Gradle / Ivy

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package com.jn.nacos.plugin.datasource;

import com.alibaba.nacos.common.spi.NacosServiceLoader;
import com.jn.langx.util.collection.Maps;

import java.util.Collection;
import java.util.Map;

public class NacosDatabaseDialectManager {

    private Map dialectMap;

    private NacosDatabaseDialectManager(){
        init();
    }
    private void init(){
        Collection dialects = NacosServiceLoader.load(NacosDatabaseDialect.class);
        Map map = Maps.newHashMap();
        for (NacosDatabaseDialect dialect : dialects){
            map.put(dialect.getName(), dialect);
        }
        this.dialectMap = map;
    }

    public NacosDatabaseDialect getDialect(String databaseType){
        NacosDatabaseDialect dialect = this.dialectMap.get(databaseType);
        if(dialect==null){
            dialect = new DefaultNacosDatabaseDialect(databaseType);
        }
        return dialect;
    }

    private static final NacosDatabaseDialectManager INSTANCE = new NacosDatabaseDialectManager();

    public static NacosDatabaseDialectManager getInstance(){
        return INSTANCE;
    }
}