Class MemoryParquetDataSource

java.lang.Object

io.trino.plugin.hive.parquet.MemoryParquetDataSource

All Implemented Interfaces:

ParquetDataSource, Closeable, AutoCloseable

public class MemoryParquetDataSource
extends Object
implements ParquetDataSource

Constructor Summary

Constructors

Constructor	Description
MemoryParquetDataSource(TrinoInputFile inputFile, AggregatedMemoryContext memoryContext, FileFormatDataSourceStats stats)

Method Summary

Modifier and Type	Method	Description
void	close()
long	getEstimatedSize()
ParquetDataSourceId	getId()
long	getReadBytes()
long	getReadTimeNanos()
<K> Map<K,ChunkedInputStream>	planRead(com.google.common.collect.ListMultimap<K,DiskRange> diskRanges, AggregatedMemoryContext memoryContext)
final io.airlift.slice.Slice	readFully(long position, int length)
io.airlift.slice.Slice	readTail(int length)
final String	toString()

Methods inherited from class java.lang.Object

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

Constructor Details

MemoryParquetDataSource

public MemoryParquetDataSource(TrinoInputFile inputFile,
 AggregatedMemoryContext memoryContext,
 FileFormatDataSourceStats stats)
                        throws IOException

Throws:

IOException

Method Details

getId

public ParquetDataSourceId getId()

Specified by:

getId in interface ParquetDataSource

getReadBytes

public long getReadBytes()

Specified by:

getReadBytes in interface ParquetDataSource

getReadTimeNanos

public long getReadTimeNanos()

Specified by:

getReadTimeNanos in interface ParquetDataSource

getEstimatedSize

public long getEstimatedSize()

Specified by:

getEstimatedSize in interface ParquetDataSource

readTail

public io.airlift.slice.Slice readTail(int length)

Specified by:

readTail in interface ParquetDataSource

readFully

public final io.airlift.slice.Slice readFully(long position,
 int length)

Specified by:

readFully in interface ParquetDataSource

planRead

public <K> Map<K,ChunkedInputStream> planRead(com.google.common.collect.ListMultimap<K,DiskRange> diskRanges,
 AggregatedMemoryContext memoryContext)

Specified by:

planRead in interface ParquetDataSource

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Specified by:

close in interface ParquetDataSource

Throws:

IOException

toString

public final String toString()

Overrides:

toString in class Object