RecordWriterDelegate (Flink : Runtime 2.0-preview1 API)

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

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	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.
`void`	`setMaxOverdraftBuffersPerGate(int maxOverdraftBuffersPerGate)`	Sets the max overdraft buffer size of per gate.

Methods inherited from interface java.lang.AutoCloseable
close

Methods inherited from interface org.apache.flink.runtime.io.AvailabilityProvider
getAvailableFuture, isApproximatelyAvailable, isAvailable

- 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.
  - setMaxOverdraftBuffersPerGate
```
void setMaxOverdraftBuffersPerGate(int maxOverdraftBuffersPerGate)
```
    Sets the max overdraft buffer size of per gate.