com.facebook.presto.common.io

Interface DataSink

All Superinterfaces:

AutoCloseable, Closeable

All Known Implementing Classes:

OutputStreamDataSink

public interface DataSink
extends Closeable

Method Summary

Modifier and Type	Method and Description
void	close() File is complete
long	getRetainedSizeInBytes() Gets the size of the memory buffers.
long	size() Number of bytes written to this sink so far.
void	write(List<DataOutput> outputData) Write a batch of data.

Method Detail

size

long size()

Number of bytes written to this sink so far.

getRetainedSizeInBytes

long getRetainedSizeInBytes()

Gets the size of the memory buffers.

write

void write(List<DataOutput> outputData)
    throws IOException

Write a batch of data. For example, for ORC file, it can be the stripe and optionally header and footer data

Throws:

IOException

close

void close()
    throws IOException

File is complete

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Throws:

IOException