## Uses of Interface
org.apache.hadoop.mapreduce.MapContext

- Packages that use MapContext
  Package | Description
  --- | ---
  org.apache.hadoop.mapreduce |
  org.apache.hadoop.mapreduce.lib.map |
  org.apache.hadoop.mapreduce.task |

- - ### Uses of MapContext in org.apache.hadoop.mapreduce

    Classes in org.apache.hadoop.mapreduce that implement MapContext
    Modifier and Type | Class and Description
    --- | ---
    `class` | `Mapper.Context` The `Context` passed on to the `Mapper` implementations.

    Methods in org.apache.hadoop.mapreduce with parameters of type MapContext
    Modifier and Type | Method and Description
    --- | ---
    `static <K1,V1,K2,V2> Mapper.Context` | ContextFactory.`cloneMapContext(MapContext<K1,V1,K2,V2> context, org.apache.hadoop.conf.Configuration conf, RecordReader<K1,V1> reader, RecordWriter<K2,V2> writer)` Copy a custom WrappedMapper.Context, optionally replacing the input and output.

  - ### Uses of MapContext in org.apache.hadoop.mapreduce.lib.map

    Classes in org.apache.hadoop.mapreduce.lib.map that implement MapContext
    Modifier and Type | Class and Description
    --- | ---
    `class` | `WrappedMapper.Context`

    Fields in org.apache.hadoop.mapreduce.lib.map declared as MapContext
    Modifier and Type | Field and Description
    --- | ---
    `protected MapContext<KEYIN,VALUEIN,KEYOUT,VALUEOUT>` | WrappedMapper.Context.`mapContext`

    Methods in org.apache.hadoop.mapreduce.lib.map with parameters of type MapContext
    Modifier and Type | Method and Description
    --- | ---
    `Mapper.Context` | WrappedMapper.`getMapContext(MapContext<KEYIN,VALUEIN,KEYOUT,VALUEOUT> mapContext)` Get a wrapped `Mapper.Context` for custom implementations.

    Constructors in org.apache.hadoop.mapreduce.lib.map with parameters of type MapContext
    Constructor and Description
    `Context(MapContext<KEYIN,VALUEIN,KEYOUT,VALUEOUT> mapContext)`

  - ### Uses of MapContext in org.apache.hadoop.mapreduce.task

    Classes in org.apache.hadoop.mapreduce.task that implement MapContext
    Modifier and Type | Class and Description
    --- | ---
    `class` | `MapContextImpl<KEYIN,VALUEIN,KEYOUT,VALUEOUT>` The context that is given to the `Mapper`.

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