Package org.apache.polaris.service.catalog.io

Class MeasuredFileIO

java.lang.Object

org.apache.polaris.service.catalog.io.MeasuredFileIO

All Implemented Interfaces:

Closeable, Serializable, AutoCloseable, org.apache.iceberg.io.FileIO

public class MeasuredFileIO
extends Object
implements org.apache.iceberg.io.FileIO

File IO wrapper used for tests. It measures the number of bytes read, files written, and files deleted. It can inject exceptions during InputFile and OutputFile creation.

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
MeasuredFileIO(org.apache.iceberg.io.FileIO io, Optional<Supplier<RuntimeException>> newInputFileExceptionSupplier, Optional<Supplier<RuntimeException>> newOutputFileExceptionSupplier, Optional<Supplier<RuntimeException>> getLengthExceptionSupplier)

Method Summary

Modifier and Type	Method	Description
void	close()
void	deleteFile(String path)
void	deleteFile(org.apache.iceberg.io.InputFile file)
void	deleteFile(org.apache.iceberg.io.OutputFile file)
long	getInputBytes()
int	getNumDeletedFiles()
int	getNumOuptutFiles()
void	initialize(Map<String,String> properties)
org.apache.iceberg.io.InputFile	newInputFile(String path)
org.apache.iceberg.io.InputFile	newInputFile(String path, long length)
org.apache.iceberg.io.InputFile	newInputFile(org.apache.iceberg.DataFile file)
org.apache.iceberg.io.InputFile	newInputFile(org.apache.iceberg.DeleteFile file)
org.apache.iceberg.io.InputFile	newInputFile(org.apache.iceberg.ManifestFile manifest)
org.apache.iceberg.io.OutputFile	newOutputFile(String path)
Map<String,String>	properties()

Methods inherited from class java.lang.Object

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

Constructor Details

MeasuredFileIO

public MeasuredFileIO(org.apache.iceberg.io.FileIO io,
 Optional<Supplier<RuntimeException>> newInputFileExceptionSupplier,
 Optional<Supplier<RuntimeException>> newOutputFileExceptionSupplier,
 Optional<Supplier<RuntimeException>> getLengthExceptionSupplier)

Method Details

getInputBytes

public long getInputBytes()

getNumOuptutFiles

public int getNumOuptutFiles()

getNumDeletedFiles

public int getNumDeletedFiles()

newInputFile

public org.apache.iceberg.io.InputFile newInputFile(String path)

Specified by:

newInputFile in interface org.apache.iceberg.io.FileIO

newInputFile

public org.apache.iceberg.io.InputFile newInputFile(String path,
 long length)

Specified by:

newInputFile in interface org.apache.iceberg.io.FileIO

newInputFile

public org.apache.iceberg.io.InputFile newInputFile(org.apache.iceberg.DataFile file)

Specified by:

newInputFile in interface org.apache.iceberg.io.FileIO

newInputFile

public org.apache.iceberg.io.InputFile newInputFile(org.apache.iceberg.DeleteFile file)

Specified by:

newInputFile in interface org.apache.iceberg.io.FileIO

newInputFile

public org.apache.iceberg.io.InputFile newInputFile(org.apache.iceberg.ManifestFile manifest)

Specified by:

newInputFile in interface org.apache.iceberg.io.FileIO

newOutputFile

public org.apache.iceberg.io.OutputFile newOutputFile(String path)

Specified by:

newOutputFile in interface org.apache.iceberg.io.FileIO

deleteFile

public void deleteFile(String path)

Specified by:

deleteFile in interface org.apache.iceberg.io.FileIO

deleteFile

public void deleteFile(org.apache.iceberg.io.InputFile file)

Specified by:

deleteFile in interface org.apache.iceberg.io.FileIO

deleteFile

public void deleteFile(org.apache.iceberg.io.OutputFile file)

Specified by:

deleteFile in interface org.apache.iceberg.io.FileIO

properties

public Map<String,String> properties()

Specified by:

properties in interface org.apache.iceberg.io.FileIO

initialize

public void initialize(Map<String,String> properties)

Specified by:

initialize in interface org.apache.iceberg.io.FileIO

close

public void close()

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Specified by:

close in interface org.apache.iceberg.io.FileIO