@Override
    public void initialize(Map<String, Object> config) {
        JdbcDataMapperConfig dataMapperConfig = (JdbcDataMapperConfig) config.get(CONFIG_DATAMAPPER_CONFIG);
        boolean dataMapperConfigRequired = dataMapperConfig == null;
        if ( dataMapperConfigRequired ) {
            throw new DataAccessException(
                    "JDBCデータマッパの設定が見つかりませんでした: キー=" + CONFIG_DATAMAPPER_CONFIG);
        }

       loadGlobalConfig(dataMapperConfig.getGlobal());
       loadSqls(dataMapperConfig.getSqls());

        initialized = true;
    }