io.ray.streaming.api.function.impl

Interface SourceFunction<T>

Type Parameters:

T - Type of the data output by the source.

All Superinterfaces:

Function, Serializable

All Known Implementing Classes:

CollectionSourceFunction

public interface SourceFunction<T>
extends Function

Interface of Source functions.

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static interface	SourceFunction.SourceContext<T>

Method Summary

Modifier and Type	Method and Description
void	close()
void	fetch(SourceFunction.SourceContext<T> ctx)
void	init(int parallelism, int index)

Methods inherited from interface io.ray.streaming.api.function.Function

loadCheckpoint, saveCheckpoint

Method Detail

init

void init(int parallelism,
          int index)

fetch

void fetch(SourceFunction.SourceContext<T> ctx)
    throws Exception

Throws:

Exception

close

void close()