Package io.trino.plugin.exchange.filesystem

Class FileSystemExchangeSource

java.lang.Object

io.trino.plugin.exchange.filesystem.FileSystemExchangeSource

All Implemented Interfaces:

ExchangeSource, Closeable, AutoCloseable

public class FileSystemExchangeSource
extends Object
implements ExchangeSource

Field Summary

Fields inherited from interface io.trino.spi.exchange.ExchangeSource

NOT_BLOCKED

Constructor Summary

Constructors

Constructor	Description
FileSystemExchangeSource(FileSystemExchangeStorage exchangeStorage, FileSystemExchangeStats stats, int maxPageStorageSize, int exchangeSourceConcurrentReaders, int maxFilesPerReader)

Method Summary

Modifier and Type	Method	Description
void	addSourceHandles(List<ExchangeSourceHandle> handles)
void	close()
long	getMemoryUsage()
CompletableFuture<Void>	isBlocked()
boolean	isFinished()
void	noMoreSourceHandles()
io.airlift.slice.Slice	read()
void	setOutputSelector(ExchangeSourceOutputSelector newSelector)

Methods inherited from class java.lang.Object

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

Constructor Details

FileSystemExchangeSource

public FileSystemExchangeSource(FileSystemExchangeStorage exchangeStorage,
 FileSystemExchangeStats stats,
 int maxPageStorageSize,
 int exchangeSourceConcurrentReaders,
 int maxFilesPerReader)

Method Details

addSourceHandles

public void addSourceHandles(List<ExchangeSourceHandle> handles)

Specified by:

addSourceHandles in interface ExchangeSource

noMoreSourceHandles

public void noMoreSourceHandles()

Specified by:

noMoreSourceHandles in interface ExchangeSource

setOutputSelector

public void setOutputSelector(ExchangeSourceOutputSelector newSelector)

Specified by:

setOutputSelector in interface ExchangeSource

isBlocked

public CompletableFuture<Void> isBlocked()

Specified by:

isBlocked in interface ExchangeSource

isFinished

public boolean isFinished()

Specified by:

isFinished in interface ExchangeSource

read

@Nullable
public io.airlift.slice.Slice read()

Specified by:

read in interface ExchangeSource

getMemoryUsage

public long getMemoryUsage()

Specified by:

getMemoryUsage in interface ExchangeSource

close

public void close()

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Specified by:

close in interface ExchangeSource