Modifier and Type | Class and Description |
---|---|
class |
GroupReduceIterator<IN,OUT> |
Modifier and Type | Class and Description |
---|---|
static class |
AggregateOperator.AggregatingUdf<T extends Tuple> |
Modifier and Type | Class and Description |
---|---|
class |
RichCombineToGroupCombineWrapper<IN,OUT,F extends RichGroupReduceFunction<IN,OUT> & CombineFunction<IN,IN>>
A wrapper the wraps a function that implements both
CombineFunction and GroupReduceFunction interfaces
and makes it look like a function that implements GroupCombineFunction and GroupReduceFunction to the runtime. |
Modifier and Type | Class and Description |
---|---|
static class |
ScalaAggregateOperator.AggregatingUdf<T extends scala.Product> |
Modifier and Type | Class and Description |
---|---|
class |
AggregateReduceCombineFunction
It wraps the aggregate logic inside of
GroupReduceOperator and
GroupCombineOperator |
class |
AggregateReduceGroupFunction
It wraps the aggregate logic inside of
GroupReduceOperator . |
Modifier and Type | Class and Description |
---|---|
static class |
VertexCentricIteration.MessageCombinerUdf<K,Message> |
Modifier and Type | Class and Description |
---|---|
class |
HadoopReduceCombineFunction<KEYIN,VALUEIN,KEYOUT,VALUEOUT>
This wrapper maps a Hadoop Reducer and Combiner (mapred API) to a combinable Flink GroupReduceFunction.
|
class |
HadoopReduceFunction<KEYIN,VALUEIN,KEYOUT,VALUEOUT>
This wrapper maps a Hadoop Reducer (mapred API) to a non-combinable Flink GroupReduceFunction.
|
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