org.apache.beam.sdk.transforms

Class CombineFnBase

java.lang.Object

org.apache.beam.sdk.transforms.CombineFnBase

public class CombineFnBase
extends Object

This class contains the shared interfaces and abstract classes for different types of combine functions.

Users should not implement or extend them directly.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	CombineFnBase.GlobalCombineFn<InputT,AccumT,OutputT> A GloballyCombineFn<InputT, AccumT, OutputT> specifies how to combine a collection of input values of type InputT into a single output value of type OutputT.
static interface	CombineFnBase.PerKeyCombineFn<K,InputT,AccumT,OutputT> A PerKeyCombineFn<K, InputT, AccumT, OutputT> specifies how to combine a collection of input values of type InputT, associated with a key of type K, into a single output value of type OutputT.

Constructor Summary

Constructors

Constructor and Description
CombineFnBase()

Method Summary

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

CombineFnBase

public CombineFnBase()