Package org.apache.pulsar.functions.api

Interface WindowFunction<I,O>

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@Public
@Stable
@FunctionalInterface
public interface WindowFunction<I,O>

This is the interface of the windowed function api. The process method is called for every triggered window.

Method Summary

Modifier and Type	Method	Description
O	process(java.util.Collection<Record<I>> input, WindowContext context)	Process the input.

Method Detail

process

O process(java.util.Collection<Record<I>> input,
          WindowContext context)
   throws java.lang.Exception

Process the input.

Returns:

the output

Throws:

java.lang.Exception