执行容器的抽象类，持有该容器全局的配置 configuration

@author : Liu Jianping @date : 2019/9/6

@author jerrywang

Created by jingxing on 14-8-24.

该类是用于处理 taskGroupContainer 的 communication 的收集汇报的父类 主要是 taskCommunicationMap 记录了 taskExecutor 的 communication 属性

Created by jingxing on 14-8-24.

Created by jingxing on 14-9-11.

@author yuncheng

@author yuncheng

@author yuncheng

@author yuncheng

@Author: guxuan @Date 2022-05-17 15:59

@Author: guxuan @Date 2022-05-17 17:01

Created by jingxing on 14-8-24.

This builder used to build a new {@link DirectPathConnection }

@Author: guxuan @Date 2022-05-17 16:00

Created by jingxing on 14-8-24.

Created by mazhenlin on 2019/8/21.

Created by mazhenlin on 2019/8/19.

Created by mazhenlin on 2019/8/19.

Created by mazhenlin on 2019/8/21.

Created by jingxing on 14-8-25. <p/> 统计和限速都在这里

Created by jingxing on 14-8-29. 为避免jar冲突，比如hbase可能有多个版本的读写依赖jar包，JobContainer和TaskGroupContainer 就需要脱离当前classLoader去加载这些jar包，执行完成后，又退回到原来classLoader上

Created by liqiang on 15/12/12.

Created by jianying.wcj on 2015/3/19 0019. Modified by mingyan.zc on 2016/6/13. Modified by mingyan.zc on 2017/7/5.

Created by jingxing on 14-8-24. <p/>

备注：datax提供的转换机制有如下限制,如下规则是不能转换的 1. bool -> binary 2. binary -> long, double, bool 3. double -> bool, binary 4. long -> binary

备注：datax提供的转换机制有如下限制,如下规则是不能转换的 1. bool -> binary 2. binary -> long, double, bool 3. double -> bool, binary 4. long -> binary

ADS column data type. @since 0.0.1

ADS column meta.<br> <p> select ordinal_position,column_name,data_type,type_name,column_comment <br> from information_schema.columns <br> where table_

只对 normal 模式读取时有用，多版本读取时，不存在列类型的

只对 normal 模式读取时有用，多版本读取时，不存在列类型的

只对 normal 模式读取时有用，多版本读取时，不存在列类型的

只对 normal 模式读取时有用，多版本读取时，不存在列类型的

只对 normal 模式读取时有用，多版本读取时，不存在列类型的

只对 normal 模式读取时有用，多版本读取时，不存在列类型的

@author daizihao @create 2020-08-31 19:12

@Author: guxuan @Date 2022-05-17 16:40