Package io.prestosql.split

Class SampledSplitSource

java.lang.Object

io.prestosql.split.SampledSplitSource

All Implemented Interfaces:

SplitSource, Closeable, AutoCloseable

public class SampledSplitSource
extends Object
implements SplitSource

Nested Class Summary

Nested classes/interfaces inherited from interface io.prestosql.split.SplitSource

SplitSource.SplitBatch

Constructor Summary

Constructors

Constructor	Description
SampledSplitSource(SplitSource splitSource, double sampleRatio)

Method Summary

Modifier and Type	Method	Description
void	close()
CatalogName	getCatalogName()
Optional<Integer>	getMinScheduleSplitBatchSize()
com.google.common.util.concurrent.ListenableFuture<SplitSource.SplitBatch>	getNextBatch(ConnectorPartitionHandle partitionHandle, Lifespan lifespan, int maxSize)
boolean	isFinished()

Methods inherited from class java.lang.Object

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

Constructor Detail

SampledSplitSource

public SampledSplitSource(SplitSource splitSource,
                          double sampleRatio)

Method Detail

getCatalogName

@Nullable
public CatalogName getCatalogName()

Specified by:

getCatalogName in interface SplitSource

getNextBatch

public com.google.common.util.concurrent.ListenableFuture<SplitSource.SplitBatch> getNextBatch(ConnectorPartitionHandle partitionHandle,
                                                                                               Lifespan lifespan,
                                                                                               int maxSize)

Specified by:

getNextBatch in interface SplitSource

close

public void close()

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Specified by:

close in interface SplitSource

isFinished

public boolean isFinished()

Specified by:

isFinished in interface SplitSource

getMinScheduleSplitBatchSize

public Optional<Integer> getMinScheduleSplitBatchSize()

Specified by:

getMinScheduleSplitBatchSize in interface SplitSource