These goals lead to the definition of two abstract classes: InputFormat and OutputFormat (see Listing 6).

为实现这些目标，需要定义两个抽象类：InputFormat和Out putFor mat(参见清单6)。

youdao

As far as the rest of Hadoop goes, we intend to write an InputFormat class that will allow tables in Hypertable to be used as inputs to map-reduce jobs.

至于Hadoop的其余部分，我们打算写一个InputFor mat类，让Hypertable中的表可被用作map - reduce任务的输入。

youdao