org.bytedeco.arrow_dataset

Class FileFragment

java.lang.Object

org.bytedeco.javacpp.Pointer

org.bytedeco.arrow_dataset.Fragment

org.bytedeco.arrow_dataset.FileFragment

All Implemented Interfaces:

AutoCloseable

Direct Known Subclasses:

IpcFragment, ParquetFragment

@Namespace(value="arrow::dataset")
 @NoOffset
 @Properties(inherit=arrow_dataset.class)
public class FileFragment
extends Fragment

\brief A Fragment that is stored in a file with a known format

Nested Class Summary

Nested classes/interfaces inherited from class org.bytedeco.javacpp.Pointer

Pointer.CustomDeallocator, Pointer.Deallocator, Pointer.NativeDeallocator, Pointer.ReferenceCounter

Field Summary

Fields inherited from class org.bytedeco.javacpp.Pointer

address, capacity, limit, position

Constructor Summary

Constructors

Constructor and Description
FileFragment(FileSource source, FileFormat format, ScanOptions scan_options)
FileFragment(Pointer p) Pointer cast constructor.

Method Summary

Modifier and Type	Method and Description
FileFormat	format()
ScanTaskIteratorResult	Scan(ScanContext context) \brief Scan returns an iterator of ScanTasks, each of which yields RecordBatches from this Fragment.
FileSource	source()

Methods inherited from class org.bytedeco.arrow_dataset.Fragment

partition_expression, scan_options, splittable

Methods inherited from class org.bytedeco.javacpp.Pointer

address, asBuffer, asByteBuffer, availablePhysicalBytes, calloc, capacity, capacity, close, deallocate, deallocate, deallocateReferences, deallocator, deallocator, equals, fill, formatBytes, free, hashCode, isNull, isNull, limit, limit, malloc, maxBytes, maxPhysicalBytes, memchr, memcmp, memcpy, memmove, memset, offsetof, parseBytes, physicalBytes, position, position, put, realloc, referenceCount, releaseReference, retainReference, setNull, sizeof, toString, totalBytes, totalPhysicalBytes, withDeallocator, zero

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

FileFragment

public FileFragment(Pointer p)

Pointer cast constructor. Invokes Pointer.Pointer(Pointer).

FileFragment

public FileFragment(@ByVal
                    FileSource source,
                    @SharedPtr
                    FileFormat format,
                    @SharedPtr
                    ScanOptions scan_options)

Method Detail

Scan

@ByVal
public ScanTaskIteratorResult Scan(@SharedPtr
                                          ScanContext context)

Description copied from class: Fragment

\brief Scan returns an iterator of ScanTasks, each of which yields RecordBatches from this Fragment.

Overrides:

Scan in class Fragment

source

@Const
 @ByRef
public FileSource source()

format

@SharedPtr
public FileFormat format()