com.conversantmedia.mapreduce.tool.annotation

Annotation Type Input

@Inherited
 @Target(value=FIELD)
 @Retention(value=RUNTIME)
 @Documented
public @interface Input

Optional Element Summary

Optional Elements

Modifier and Type	Optional Element and Description
Class<? extends org.apache.hadoop.mapreduce.InputFormat>	format Input format class.
Class<? extends org.apache.hadoop.mapreduce.Mapper>	mapper Mapper class to use.
String	path The context property to use for setting the input.

Element Detail

format

public abstract Class<? extends org.apache.hadoop.mapreduce.InputFormat> format

Input format class.

Returns:

the input format class

Default:

org.apache.hadoop.mapreduce.lib.input.TextInputFormat.class

mapper

public abstract Class<? extends org.apache.hadoop.mapreduce.Mapper> mapper

Mapper class to use.

Returns:

the mapper class for this input

Default:

org.apache.hadoop.mapreduce.Mapper.class

path

public abstract String path

The context property to use for setting the input. By default this is 'context.input' - the root context's input path.

Returns:

the input path for this mapper

Default:

"${context.input}"