org.bytedeco.arrow

Class DictionaryScalar

java.lang.Object

org.bytedeco.javacpp.Pointer

org.bytedeco.arrow.Scalar

org.bytedeco.arrow.PrimitiveScalarBase

org.bytedeco.arrow.DictionaryScalar

All Implemented Interfaces:

AutoCloseable

@Namespace(value="arrow")
 @Properties(inherit=arrow.class)
public class DictionaryScalar
extends PrimitiveScalarBase

\brief A Scalar value for DictionaryType is_valid denotes the validity of the index, regardless of the corresponding value in the dictionary.

Nested Class Summary

Nested classes/interfaces inherited from class org.bytedeco.arrow.Scalar

Scalar.Hash

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
DictionaryScalar(DataType type)
DictionaryScalar(Pointer p) Pointer cast constructor.
DictionaryScalar(Pointer value, DataType type)
DictionaryScalar(Pointer value, DataType type, boolean is_valid)

Method Summary

Modifier and Type	Method and Description
ScalarResult	GetEncodedValue()
static DictionaryScalar	Make(Scalar index, Array dict)
Pointer	mutable_data() \brief Get a mutable pointer to the value of this scalar.

Methods inherited from class org.bytedeco.arrow.Scalar

ApproxEquals, ApproxEquals, CastTo, Equals, Equals, hash, is_valid, is_valid, ToString, type, type, Validate, ValidateFull

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, getPointer, getPointer, getPointer, getPointer, hashCode, interruptDeallocatorThread, isNull, isNull, limit, limit, malloc, maxBytes, maxPhysicalBytes, memchr, memcmp, memcpy, memmove, memset, offsetAddress, offsetof, offsetof, parseBytes, physicalBytes, position, position, put, realloc, referenceCount, releaseReference, retainReference, setNull, sizeof, sizeof, toString, totalBytes, totalCount, totalPhysicalBytes, withDeallocator, zero

Methods inherited from class java.lang.Object

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

Constructor Detail

DictionaryScalar

public DictionaryScalar(Pointer p)

Pointer cast constructor. Invokes Pointer(Pointer).

DictionaryScalar

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

DictionaryScalar

public DictionaryScalar(@ByVal @Cast(value="arrow::DictionaryScalar::ValueType*")
                        Pointer value,
                        @SharedPtr @Cast(value={"","std::shared_ptr<arrow::DataType>"})
                        DataType type,
                        @Cast(value="bool")
                        boolean is_valid)

DictionaryScalar

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

Method Detail

Make

@SharedPtr
public static DictionaryScalar Make(@SharedPtr @Cast(value={"","std::shared_ptr<arrow::Scalar>"})
                                                Scalar index,
                                                @SharedPtr @Cast(value={"","std::shared_ptr<arrow::Array>"})
                                                Array dict)

GetEncodedValue

@ByVal
public ScalarResult GetEncodedValue()

mutable_data

public Pointer mutable_data()

Description copied from class: PrimitiveScalarBase

\brief Get a mutable pointer to the value of this scalar. May be null.

Overrides:

mutable_data in class PrimitiveScalarBase