com.xxdb.data

Interface Vector

All Superinterfaces:

Entity

All Known Implementing Classes:

AbstractVector, BasicAnyVector, BasicBooleanVector, BasicByteVector, BasicDateHourVector, BasicDateTimeVector, BasicDateVector, BasicDoubleVector, BasicFloatVector, BasicInt128Vector, BasicIntVector, BasicIPAddrVector, BasicLongVector, BasicMinuteVector, BasicMonthVector, BasicNanoTimestampVector, BasicNanoTimeVector, BasicSecondVector, BasicShortVector, BasicStringVector, BasicTimestampVector, BasicTimeVector, BasicUuidVector

public interface Vector
extends Entity

Interface for DolphinDB data form: ARRAY, BIGARRAY

Nested Class Summary

Nested classes/interfaces inherited from interface com.xxdb.data.Entity

Entity.DATA_CATEGORY, Entity.DATA_FORM, Entity.DATA_TYPE, Entity.PARTITION_TYPE

Field Summary

Fields

Modifier and Type	Field and Description
static int	DISPLAY_ROWS

Method Summary

Modifier and Type	Method and Description
int	asof(Scalar value)
Vector	combine(Vector vector)
Scalar	get(int index)
Class<?>	getElementClass()
Vector	getSubVector(int[] indices)
int	hashBucket(int index, int buckets)
boolean	isNull(int index)
void	set(int index, Scalar value)
void	setNull(int index)

Methods inherited from interface com.xxdb.data.Entity

columns, getDataCategory, getDataForm, getDataType, getString, isChart, isChunk, isDictionary, isMatrix, isPair, isScalar, isTable, isVector, rows, typeToCategory, write

Field Detail

DISPLAY_ROWS

static final int DISPLAY_ROWS

See Also:

Constant Field Values

Method Detail

combine

Vector combine(Vector vector)

getSubVector

Vector getSubVector(int[] indices)

asof

int asof(Scalar value)

isNull

boolean isNull(int index)

setNull

void setNull(int index)

hashBucket

int hashBucket(int index,
               int buckets)

get

Scalar get(int index)

set

void set(int index,
         Scalar value)
  throws Exception

Throws:

Exception

getElementClass

Class<?> getElementClass()