Uses of Class
org.apache.hadoop.mapreduce.Mapper.Context

Packages that use Mapper.Context
org.apache.hadoop.examples Hadoop example code. 
org.apache.hadoop.examples.dancing This package is a distributed implementation of Knuth's dancing links algorithm that can run under Hadoop. 
org.apache.hadoop.examples.pi This package consists of a map/reduce application, distbbp, which computes exact binary digits of the mathematical constant π. 
org.apache.hadoop.examples.terasort This package consists of 3 map/reduce applications for Hadoop to compete in the annual terabyte sort competition. 
org.apache.hadoop.mapreduce   
org.apache.hadoop.mapreduce.lib.aggregate Classes for performing various counting and aggregations. 
org.apache.hadoop.mapreduce.lib.chain   
org.apache.hadoop.mapreduce.lib.fieldsel   
org.apache.hadoop.mapreduce.lib.map   
 

Uses of Mapper.Context in org.apache.hadoop.examples
 

Methods in org.apache.hadoop.examples with parameters of type Mapper.Context
protected  void BaileyBorweinPlouffe.BbpMapper.map(org.apache.hadoop.io.LongWritable offset, org.apache.hadoop.io.IntWritable length, Mapper.Context context)
          Compute the (offset+1)th to (offset+length)th digits.
 void QuasiMonteCarlo.QmcMapper.map(org.apache.hadoop.io.LongWritable offset, org.apache.hadoop.io.LongWritable size, Mapper.Context context)
          Map method.
 void SecondarySort.MapClass.map(org.apache.hadoop.io.LongWritable inKey, org.apache.hadoop.io.Text inValue, Mapper.Context context)
           
 void MultiFileWordCount.MapClass.map(MultiFileWordCount.WordOffset key, org.apache.hadoop.io.Text value, Mapper.Context context)
           
 void WordCount.TokenizerMapper.map(Object key, org.apache.hadoop.io.Text value, Mapper.Context context)
           
 

Uses of Mapper.Context in org.apache.hadoop.examples.dancing
 

Methods in org.apache.hadoop.examples.dancing with parameters of type Mapper.Context
 void DistributedPentomino.PentMap.map(org.apache.hadoop.io.WritableComparable<?> key, org.apache.hadoop.io.Text value, Mapper.Context context)
          Break the prefix string into moves (a sequence of integer row ids that will be selected for each column in order).
 void DistributedPentomino.PentMap.setup(Mapper.Context context)
           
 

Uses of Mapper.Context in org.apache.hadoop.examples.pi
 

Methods in org.apache.hadoop.examples.pi with parameters of type Mapper.Context
protected  void DistSum.ReduceSide.PartitionMapper.map(org.apache.hadoop.io.NullWritable nw, SummationWritable sigma, Mapper.Context context)
          Partitions sigma into parts
protected  void DistSum.MapSide.SummingMapper.map(org.apache.hadoop.io.NullWritable nw, SummationWritable sigma, Mapper.Context context)
           
 

Uses of Mapper.Context in org.apache.hadoop.examples.terasort
 

Methods in org.apache.hadoop.examples.terasort with parameters of type Mapper.Context
 void TeraGen.SortGenMapper.cleanup(Mapper.Context context)
           
 void TeraGen.SortGenMapper.map(org.apache.hadoop.io.LongWritable row, org.apache.hadoop.io.NullWritable ignored, Mapper.Context context)
           
 

Uses of Mapper.Context in org.apache.hadoop.mapreduce
 

Methods in org.apache.hadoop.mapreduce with parameters of type Mapper.Context
protected  void Mapper.cleanup(Mapper.Context context)
          Called once at the end of the task.
protected  void Mapper.map(KEYIN key, VALUEIN value, Mapper.Context context)
          Called once for each key/value pair in the input split.
 void Mapper.run(Mapper.Context context)
          Expert users can override this method for more complete control over the execution of the Mapper.
protected  void Mapper.setup(Mapper.Context context)
          Called once at the beginning of the task.
 

Uses of Mapper.Context in org.apache.hadoop.mapreduce.lib.aggregate
 

Methods in org.apache.hadoop.mapreduce.lib.aggregate with parameters of type Mapper.Context
 void ValueAggregatorMapper.map(K1 key, V1 value, Mapper.Context context)
          the map function.
 void ValueAggregatorMapper.setup(Mapper.Context context)
           
 

Uses of Mapper.Context in org.apache.hadoop.mapreduce.lib.chain
 

Methods in org.apache.hadoop.mapreduce.lib.chain with parameters of type Mapper.Context
 void ChainMapper.run(Mapper.Context context)
           
protected  void ChainMapper.setup(Mapper.Context context)
           
 

Uses of Mapper.Context in org.apache.hadoop.mapreduce.lib.fieldsel
 

Methods in org.apache.hadoop.mapreduce.lib.fieldsel with parameters of type Mapper.Context
 void FieldSelectionMapper.map(K key, V val, Mapper.Context context)
          The identify function.
 void FieldSelectionMapper.setup(Mapper.Context context)
           
 

Uses of Mapper.Context in org.apache.hadoop.mapreduce.lib.map
 

Subclasses of Mapper.Context in org.apache.hadoop.mapreduce.lib.map
 class WrappedMapper.Context
           
 

Methods in org.apache.hadoop.mapreduce.lib.map that return Mapper.Context
 Mapper.Context WrappedMapper.getMapContext(MapContext<KEYIN,VALUEIN,KEYOUT,VALUEOUT> mapContext)
          Get a wrapped WrappedMapper.Context for custom implementations.
 

Methods in org.apache.hadoop.mapreduce.lib.map with parameters of type Mapper.Context
 void RegexMapper.map(K key, org.apache.hadoop.io.Text value, Mapper.Context context)
           
 void InverseMapper.map(K key, V value, Mapper.Context context)
          The inverse function.
 void TokenCounterMapper.map(Object key, org.apache.hadoop.io.Text value, Mapper.Context context)
           
 void MultithreadedMapper.run(Mapper.Context context)
          Run the application's maps using a thread pool.
 void RegexMapper.setup(Mapper.Context context)
           
 



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