Uses of Interface
org.apache.hadoop.mapreduce.TaskInputOutputContext
Packages that use TaskInputOutputContext
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Uses of TaskInputOutputContext in org.apache.hadoop.mapreduce
Subinterfaces of TaskInputOutputContext in org.apache.hadoop.mapreduceModifier and TypeInterfaceDescriptioninterfaceMapContext<KEYIN,VALUEIN, KEYOUT, VALUEOUT> The context that is given to theMapper.interfaceReduceContext<KEYIN,VALUEIN, KEYOUT, VALUEOUT> The context passed to theReducer. -
Uses of TaskInputOutputContext in org.apache.hadoop.mapreduce.lib.output
Methods in org.apache.hadoop.mapreduce.lib.output with parameters of type TaskInputOutputContextModifier and TypeMethodDescriptionstatic PathFileOutputFormat.getPathForWorkFile(TaskInputOutputContext<?, ?, ?, ?> context, String name, String extension) Helper function to generate aPathfor a file that is unique for the task within the job output directory.static PathFileOutputFormat.getWorkOutputPath(TaskInputOutputContext<?, ?, ?, ?> context) Get thePathto the task's temporary output directory for the map-reduce job Tasks' Side-Effect FilesConstructors in org.apache.hadoop.mapreduce.lib.output with parameters of type TaskInputOutputContextModifierConstructorDescriptionMultipleOutputs(TaskInputOutputContext<?, ?, KEYOUT, VALUEOUT> context) Creates and initializes multiple outputs support, it should be instantiated in the Mapper/Reducer setup method.