| Class | Description |
|---|---|
| KeyValue<K,V> |
键值对(Key/Value).
|
| LocalRecordComparator |
RecordComparator 用于对
Record 进行比较. |
| MapUTContext |
Mapper 单元测试的上下文. |
| MRUnitTest |
MapReduce 单元测试基类,方便用户编写 MapReduce 作业的单元测试用例.
|
| ReduceUTContext |
Reducer 单元测试的上下文. |
| RuntimeContext | |
| TaskOutput |
Mapper/Reducer的输出.
|
| UTContext |
MapReduce Unit Test 上下文基类.
|
Copyright © 2020 Alibaba Cloud Computing. All rights reserved.