OutputChannelFactory (druid-processing 28.0.0 API)

All Known Implementing Classes:

BlockingQueueOutputChannelFactory, ComposingOutputChannelFactory, FileOutputChannelFactory
```
public interface OutputChannelFactory
```
Factory for generating channel pairs for output data from processors.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`OutputChannel`	`openChannel(int partitionNumber)`	Create a channel pair tagged with a particular partition number.
`OutputChannel`	`openNilChannel(int partitionNumber)`	Create a non-writable, always-empty channel pair tagged with a particular partition number.
`PartitionedOutputChannel`	`openPartitionedChannel(String name, boolean deleteAfterRead)`	Create a channel pair tagged with a particular name and a flag to delete the channel data after its read.

- Method Detail
  - openChannel
```
OutputChannel openChannel(int partitionNumber)
                   throws IOException
```
    Create a channel pair tagged with a particular partition number.
    
    Throws:
    
    IOException
  - openPartitionedChannel
```
PartitionedOutputChannel openPartitionedChannel(String name,
                                                boolean deleteAfterRead)
                                         throws IOException
```
    Create a channel pair tagged with a particular name and a flag to delete the channel data after its read.
    
    Throws:
    
    IOException
  - openNilChannel
```
OutputChannel openNilChannel(int partitionNumber)
```
    Create a non-writable, always-empty channel pair tagged with a particular partition number. Calling OutputChannel.getWritableChannel() on this nil channel pair will result in an error. Calling OutputChannel.getReadableChannel() will return an empty channel.