org.bytedeco.arrow_dataset

Class DatasetFactory

java.lang.Object

org.bytedeco.javacpp.Pointer

org.bytedeco.arrow_dataset.DatasetFactory

All Implemented Interfaces:

AutoCloseable

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

\brief DatasetFactory provides a way to inspect/discover a Dataset's expected schema before materializing the Dataset and underlying Sources.

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
DatasetFactory(Pointer p) Pointer cast constructor.

Method Summary

Modifier and Type	Method and Description
SourceFactoryVector	factories() \brief Return the list of SourceFactory
DatasetResult	Finish() \brief Create a Dataset using the inspected schema.
DatasetResult	Finish(Schema schema) \brief Create a Dataset with the given schema.
SchemaResult	Inspect() \brief Get unified schema for the resulting Dataset.
SchemaVectorResult	InspectSchemas() \brief Get the schemas of the Sources.
static DatasetFactoryResult	Make(SourceFactoryVector factories)

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

DatasetFactory

public DatasetFactory(Pointer p)

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

Method Detail

Make

@ByVal
public static DatasetFactoryResult Make(@ByVal
                                               SourceFactoryVector factories)

factories

@Const
 @ByRef
public SourceFactoryVector factories()

\brief Return the list of SourceFactory

InspectSchemas

@ByVal
public SchemaVectorResult InspectSchemas()

\brief Get the schemas of the Sources.

Inspect

@ByVal
public SchemaResult Inspect()

\brief Get unified schema for the resulting Dataset.

Finish

@ByVal
public DatasetResult Finish(@Const @SharedPtr @ByRef
                                   Schema schema)

\brief Create a Dataset with the given schema.

Finish

@ByVal
public DatasetResult Finish()

\brief Create a Dataset using the inspected schema.