Uses of Interface
org.apache.flink.util.Collector

Packages that use Collector

Package	Description
org.apache.flink.api.common.functions
org.apache.flink.api.common.functions.util
org.apache.flink.api.common.operators.base

Uses of Collector in org.apache.flink.api.common.functions

Methods in org.apache.flink.api.common.functions with parameters of type Collector

Modifier and Type	Method and Description
void	CoGroupFunction.coGroup(Iterable<IN1> first, Iterable<IN2> second, Collector<O> out) This method must be implemented to provide a user implementation of a coGroup.
abstract void	RichCoGroupFunction.coGroup(Iterable<IN1> first, Iterable<IN2> second, Collector<OUT> out)
void	GroupCombineFunction.combine(Iterable<IN> values, Collector<OUT> out) The combine method, called (potentially multiple timed) with subgroups of elements.
abstract void	RichGroupCombineFunction.combine(Iterable<IN> values, Collector<OUT> out)
abstract void	RichFlatMapFunction.flatMap(IN value, Collector<OUT> out)
void	FlatMapFunction.flatMap(T value, Collector<O> out) The core method of the FlatMapFunction.
void	FlatJoinFunction.join(IN1 first, IN2 second, Collector<OUT> out) The join method, called once per joined pair of elements.
abstract void	RichFlatJoinFunction.join(IN1 first, IN2 second, Collector<OUT> out)
abstract void	RichMapPartitionFunction.mapPartition(Iterable<I> values, Collector<O> out)
void	MapPartitionFunction.mapPartition(Iterable<T> values, Collector<O> out) A user-implemented function that modifies or transforms an incoming object.
abstract void	RichGroupReduceFunction.reduce(Iterable<IN> values, Collector<OUT> out)
void	GroupReduceFunction.reduce(Iterable<T> values, Collector<O> out) The reduce method.

Uses of Collector in org.apache.flink.api.common.functions.util

Classes in org.apache.flink.api.common.functions.util that implement Collector

Modifier and Type	Class and Description
class	CopyingListCollector<T>
class	ListCollector<T> A Collector that puts the collected elements into a given list.

Uses of Collector in org.apache.flink.api.common.operators.base

Methods in org.apache.flink.api.common.operators.base with parameters of type Collector

Modifier and Type	Method and Description
void	BulkIterationBase.TerminationCriterionMapper.flatMap(X in, Collector<X> out)