org.bytedeco.arrow

Class Datum

java.lang.Object

org.bytedeco.javacpp.Pointer

org.bytedeco.arrow.Datum

All Implemented Interfaces:

AutoCloseable

@Namespace(value="arrow::compute")
 @Properties(inherit=arrow.class)
public class Datum
extends Pointer

\class Datum \brief Variant type for various Arrow C++ data structures

Nested Class Summary

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

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

Field Summary

Fields

Modifier and Type	Field and Description
static int	ARRAY enum arrow::compute::Datum::type
static int	CHUNKED_ARRAY enum arrow::compute::Datum::type
static int	COLLECTION enum arrow::compute::Datum::type
static int	NONE enum arrow::compute::Datum::type
static int	RECORD_BATCH enum arrow::compute::Datum::type
static int	SCALAR enum arrow::compute::Datum::type
static int	TABLE enum arrow::compute::Datum::type

Fields inherited from class org.bytedeco.javacpp.Pointer

address, capacity, limit, position

Constructor Summary

Constructors

Constructor and Description
Datum() \brief Empty datum, to be populated elsewhere
Datum(Array value)
Datum(ArrayData value)
Datum(boolean value)
Datum(byte value)
Datum(ChunkedArray value)
Datum(Datum other)
Datum(DatumVector value)
Datum(double value)
Datum(float value)
Datum(int value)
Datum(long value)
Datum(Pointer p) Pointer cast constructor.
Datum(RecordBatch value)
Datum(Scalar value)
Datum(short value)
Datum(Table value)

Method Summary

Modifier and Type	Method and Description
ArrayData	array()
ChunkedArray	chunked_array()
DatumVector	collection()
boolean	Equals(Datum other)
boolean	is_array()
boolean	is_arraylike()
boolean	is_collection()
boolean	is_scalar()
int	kind()
long	length() \brief The value length of the variant, if any
Array	make_array()
Datum	put(Datum other)
RecordBatch	record_batch()
Scalar	scalar()
Table	table()
DataType	type() \brief The value type of the variant, if any

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

Field Detail

NONE

public static final int NONE

enum arrow::compute::Datum::type

See Also:

Constant Field Values

SCALAR

public static final int SCALAR

enum arrow::compute::Datum::type

See Also:

Constant Field Values

ARRAY

public static final int ARRAY

enum arrow::compute::Datum::type

See Also:

Constant Field Values

CHUNKED_ARRAY

public static final int CHUNKED_ARRAY

enum arrow::compute::Datum::type

See Also:

Constant Field Values

RECORD_BATCH

public static final int RECORD_BATCH

enum arrow::compute::Datum::type

See Also:

Constant Field Values

TABLE

public static final int TABLE

enum arrow::compute::Datum::type

See Also:

Constant Field Values

COLLECTION

public static final int COLLECTION

enum arrow::compute::Datum::type

See Also:

Constant Field Values

Constructor Detail

Datum

public Datum(Pointer p)

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

Datum

public Datum()

\brief Empty datum, to be populated elsewhere

Datum

public Datum(@SharedPtr @Cast(value={"","std::shared_ptr<arrow::Scalar>"})
             Scalar value)

Datum

public Datum(@SharedPtr @Cast(value={"","std::shared_ptr<arrow::ArrayData>"})
             ArrayData value)

Datum

public Datum(@SharedPtr @Cast(value={"","std::shared_ptr<arrow::Array>"})
             Array value)

Datum

public Datum(@SharedPtr @Cast(value={"","std::shared_ptr<arrow::ChunkedArray>"})
             ChunkedArray value)

Datum

public Datum(@SharedPtr @Cast(value={"","std::shared_ptr<arrow::RecordBatch>"})
             RecordBatch value)

Datum

public Datum(@SharedPtr @Cast(value={"","std::shared_ptr<arrow::Table>"})
             Table value)

Datum

public Datum(@Const @ByRef
             DatumVector value)

Datum

public Datum(@Cast(value="bool")
             boolean value)

Datum

public Datum(byte value)

Datum

public Datum(short value)

Datum

public Datum(int value)

Datum

public Datum(@Cast(value="int64_t")
             long value)

Datum

public Datum(float value)

Datum

public Datum(double value)

Datum

public Datum(@Const @ByRef
             Datum other)

Method Detail

put

@ByRef
 @Name(value="operator =")
 @NoException
public Datum put(@Const @ByRef
                                                                 Datum other)

kind

public int kind()

array

@SharedPtr
 @Cast(value={"","std::shared_ptr<arrow::ArrayData>"})
public ArrayData array()

make_array

@SharedPtr
 @Cast(value={"","std::shared_ptr<arrow::Array>"})
public Array make_array()

chunked_array

@SharedPtr
 @Cast(value={"","std::shared_ptr<arrow::ChunkedArray>"})
public ChunkedArray chunked_array()

record_batch

@SharedPtr
 @Cast(value={"","std::shared_ptr<arrow::RecordBatch>"})
public RecordBatch record_batch()

table

@SharedPtr
 @Cast(value={"","std::shared_ptr<arrow::Table>"})
public Table table()

collection

@Const
 @ByVal
public DatumVector collection()

scalar

@SharedPtr
 @Cast(value={"","std::shared_ptr<arrow::Scalar>"})
public Scalar scalar()

is_array

@Cast(value="bool")
public boolean is_array()

is_arraylike

@Cast(value="bool")
public boolean is_arraylike()

is_scalar

@Cast(value="bool")
public boolean is_scalar()

is_collection

@Cast(value="bool")
public boolean is_collection()

type

@SharedPtr
 @Cast(value={"","std::shared_ptr<arrow::DataType>"})
public DataType type()

\brief The value type of the variant, if any

Returns:

nullptr if no type

length

@Cast(value="int64_t")
public long length()

\brief The value length of the variant, if any

Returns:

kUnknownLength if no type

Equals

@Cast(value="bool")
public boolean Equals(@Const @ByRef
                                          Datum other)