public static class MapTaskExecutorFactory.PairInfo extends Object implements PartialGroupByKeyOperation.PairInfo
| Modifier and Type | Method and Description |
|---|---|
static MapTaskExecutorFactory.PairInfo |
create() |
Object |
getKeyFromInputPair(Object pair) |
Object |
getValueFromInputPair(Object pair) |
Object |
makeOutputPair(Object key,
Object values) |
public static MapTaskExecutorFactory.PairInfo create()
public Object getKeyFromInputPair(Object pair)
getKeyFromInputPair in interface PartialGroupByKeyOperation.PairInfopublic Object getValueFromInputPair(Object pair)
getValueFromInputPair in interface PartialGroupByKeyOperation.PairInfopublic Object makeOutputPair(Object key, Object values)
makeOutputPair in interface PartialGroupByKeyOperation.PairInfo