org.apache.flink.runtime.io.network.api.writer

Interface RecordWriterDelegate<T extends org.apache.flink.core.io.IOReadableWritable>

All Superinterfaces:

AutoCloseable, AvailabilityProvider

All Known Implementing Classes:

MultipleRecordWriters, NonRecordWriter, SingleRecordWriter

public interface RecordWriterDelegate<T extends org.apache.flink.core.io.IOReadableWritable>
extends AvailabilityProvider, AutoCloseable

The record writer delegate provides the availability function for task processor, and it might represent a single RecordWriter or multiple RecordWriter instances in specific implementations.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.flink.runtime.io.AvailabilityProvider

AvailabilityProvider.AvailabilityHelper

Field Summary

Fields inherited from interface org.apache.flink.runtime.io.AvailabilityProvider

AVAILABLE

Method Summary

Modifier and Type	Method and Description
void	broadcastEvent(AbstractEvent event) Broadcasts the provided event to all the internal record writer instances.
RecordWriter<T>	getRecordWriter(int outputIndex) Returns the internal actual record writer instance based on the output index.

Methods inherited from interface org.apache.flink.runtime.io.AvailabilityProvider

and, getAvailableFuture, isApproximatelyAvailable, isAvailable, or

Methods inherited from interface java.lang.AutoCloseable

close

Method Detail

broadcastEvent

void broadcastEvent(AbstractEvent event)
             throws IOException

Broadcasts the provided event to all the internal record writer instances.

Parameters:

event - the event to be emitted to all the output channels.

Throws:

IOException

getRecordWriter

RecordWriter<T> getRecordWriter(int outputIndex)

Returns the internal actual record writer instance based on the output index.

Parameters:

outputIndex - the index respective to the record writer instance.