io.prestosql.spiller

Class GenericSpiller

java.lang.Object

io.prestosql.spiller.GenericSpiller

All Implemented Interfaces:

Spiller, Closeable, AutoCloseable

@NotThreadSafe
public class GenericSpiller
extends Object
implements Spiller

Constructor Summary

Constructors

Constructor and Description
GenericSpiller(List<Type> types, SpillContext spillContext, AggregatedMemoryContext aggregatedMemoryContext, SingleStreamSpillerFactory singleStreamSpillerFactory)

Method Summary

Modifier and Type	Method and Description
void	close() Close releases/removes all underlying resources used during spilling like for example all created temporary files.
List<Iterator<Page>>	getSpills() Returns list of previously spilled Pages streams.
com.google.common.util.concurrent.ListenableFuture<?>	spill(Iterator<Page> pageIterator) Initiate spilling of pages stream.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

GenericSpiller

public GenericSpiller(List<Type> types,
                      SpillContext spillContext,
                      AggregatedMemoryContext aggregatedMemoryContext,
                      SingleStreamSpillerFactory singleStreamSpillerFactory)

Method Detail

spill

public com.google.common.util.concurrent.ListenableFuture<?> spill(Iterator<Page> pageIterator)

Description copied from interface: Spiller

Initiate spilling of pages stream. Returns completed future once spilling has finished.

Specified by:

spill in interface Spiller

getSpills

public List<Iterator<Page>> getSpills()

Description copied from interface: Spiller

Returns list of previously spilled Pages streams.

Specified by:

getSpills in interface Spiller

close

public void close()

Description copied from interface: Spiller

Close releases/removes all underlying resources used during spilling like for example all created temporary files.

Specified by:

close in interface Spiller

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable