alluxio.client.keyvalue

Interface KeyValuePartitionWriter

All Superinterfaces:

AutoCloseable, Cancelable, Closeable

public interface KeyValuePartitionWriter
extends Closeable, Cancelable

Interface for a writer which creates an Alluxio key-value partition.

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	KeyValuePartitionWriter.Factory Factory for KeyValuePartitionWriter.

Method Summary

Modifier and Type	Method and Description
boolean	canPut(byte[] key, byte[] value) Returns whether this writer will be full after inserting the given key-value pair.
int	keyCount()
void	put(byte[] key, byte[] value) Adds a key and the associated value to this writer.

Methods inherited from interface java.io.Closeable

close

Methods inherited from interface alluxio.client.Cancelable

cancel

Method Detail

put

void put(byte[] key,
         byte[] value)
  throws IOException

Adds a key and the associated value to this writer.

Parameters:

key - key to put, cannot be null

value - value to put, cannot be null

Throws:

IOException

canPut

boolean canPut(byte[] key,
               byte[] value)

Returns whether this writer will be full after inserting the given key-value pair.

Parameters:

key - key to put, cannot be null

value - value to put, cannot be null

Returns:

whether this writer is full to take any more key-value pairs

keyCount

int keyCount()

Returns:

number of keys