|
||||||||||
PREV NEXT | FRAMES NO FRAMES |
Packages that use Reducer.Context | |
---|---|
org.apache.hadoop.examples | Hadoop example code. |
org.apache.hadoop.mapreduce | |
org.apache.hadoop.mapreduce.lib.reduce |
Uses of Reducer.Context in org.apache.hadoop.examples |
---|
Methods in org.apache.hadoop.examples with parameters of type Reducer.Context | |
---|---|
void |
SecondarySort.Reduce.reduce(SecondarySort.IntPair key,
Iterable<IntWritable> values,
Reducer.Context context)
|
void |
WordCount.IntSumReducer.reduce(Text key,
Iterable<IntWritable> values,
Reducer.Context context)
|
Uses of Reducer.Context in org.apache.hadoop.mapreduce |
---|
Methods in org.apache.hadoop.mapreduce with parameters of type Reducer.Context | |
---|---|
protected void |
Reducer.cleanup(Reducer.Context context)
Called once at the end of the task. |
protected void |
Reducer.reduce(KEYIN key,
Iterable<VALUEIN> values,
Reducer.Context context)
This method is called once for each key. |
void |
Reducer.run(Reducer.Context context)
Advanced application writers can use the Reducer.run(org.apache.hadoop.mapreduce.Reducer.Context) method to
control how the reduce task works. |
protected void |
Reducer.setup(Reducer.Context context)
Called once at the start of the task. |
Uses of Reducer.Context in org.apache.hadoop.mapreduce.lib.reduce |
---|
Methods in org.apache.hadoop.mapreduce.lib.reduce with parameters of type Reducer.Context | |
---|---|
void |
IntSumReducer.reduce(Key key,
Iterable<IntWritable> values,
Reducer.Context context)
|
void |
LongSumReducer.reduce(KEY key,
Iterable<LongWritable> values,
Reducer.Context context)
|
|
||||||||||
PREV NEXT | FRAMES NO FRAMES |