com.xxdb.data

Class BasicFloatVector

java.lang.Object

com.xxdb.data.AbstractEntity

com.xxdb.data.AbstractVector

com.xxdb.data.BasicFloatVector

All Implemented Interfaces:

Entity, Vector

public class BasicFloatVector
extends AbstractVector

Corresponds to DolphinDB float vector

Nested Class Summary

Nested classes/interfaces inherited from class com.xxdb.data.AbstractVector

AbstractVector.NumElementAndPartial, AbstractVector.Offect

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

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

Field Summary

Fields inherited from class com.xxdb.data.AbstractVector

compressedMethod

Fields inherited from interface com.xxdb.data.Vector

COMPRESS_DELTA, COMPRESS_LZ4, DISPLAY_ROWS

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	BasicFloatVector(Entity.DATA_FORM df, ExtendedDataInput in)
protected	BasicFloatVector(Entity.DATA_FORM df, int size)
	BasicFloatVector(float[] array)
	BasicFloatVector(float[] array, boolean copy)
	BasicFloatVector(int size)
	BasicFloatVector(List<Float> list)

Method Summary

Modifier and Type	Method and Description
void	add(float value)
void	addRange(float[] valueList)
void	Append(Scalar value)
void	Append(Vector value)
int	asof(Scalar value)
Vector	combine(Vector vector)
void	deserialize(int start, int count, ExtendedDataInput in)
Entity	get(int index)
float[]	getdataArray()
Entity.DATA_CATEGORY	getDataCategory()
Entity.DATA_TYPE	getDataType()
Class<?>	getElementClass()
float	getFloat(int index)
Vector	getSubVector(int[] indices)
int	getUnitLength()
boolean	isNull(int index)
int	rows()
void	serialize(int start, int count, ExtendedDataOutput out)
int	serialize(int indexStart, int offect, int targetNumElement, AbstractVector.NumElementAndPartial numElementAndPartial, ByteBuffer out)
void	set(int index, Entity value)
void	setFloat(int index, float value)
void	setNull(int index)
ByteBuffer	writeVectorToBuffer(ByteBuffer buffer)
protected void	writeVectorToOutputStream(ExtendedDataOutput out)

Methods inherited from class com.xxdb.data.AbstractVector

checkCompressedMethod, columns, getDataForm, getExtraParamForType, getJsonString, getString, getString, getUnitLength, hashBucket, setCompressedMethod, write, writeCompressed

Methods inherited from class com.xxdb.data.AbstractEntity

getDataCategory, isChart, isChunk, isDictionary, isMatrix, isPair, isScalar, isTable, isVector

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface com.xxdb.data.Entity

isChart, isChunk, isDictionary, isMatrix, isPair, isScalar, isTable, isVector, typeToCategory

Constructor Detail

BasicFloatVector

public BasicFloatVector(int size)

BasicFloatVector

public BasicFloatVector(List<Float> list)

BasicFloatVector

public BasicFloatVector(float[] array)

BasicFloatVector

public BasicFloatVector(float[] array,
                        boolean copy)

BasicFloatVector

protected BasicFloatVector(Entity.DATA_FORM df,
                           int size)

BasicFloatVector

protected BasicFloatVector(Entity.DATA_FORM df,
                           ExtendedDataInput in)
                    throws IOException

Throws:

IOException

Method Detail

deserialize

public void deserialize(int start,
                        int count,
                        ExtendedDataInput in)
                 throws IOException

Specified by:

deserialize in interface Vector

Overrides:

deserialize in class AbstractVector

Throws:

IOException

serialize

public void serialize(int start,
                      int count,
                      ExtendedDataOutput out)
               throws IOException

Throws:

IOException

getUnitLength

public int getUnitLength()

Specified by:

getUnitLength in interface Vector

Specified by:

getUnitLength in class AbstractVector

add

public void add(float value)

addRange

public void addRange(float[] valueList)

Append

public void Append(Scalar value)
            throws Exception

Specified by:

Append in interface Vector

Specified by:

Append in class AbstractVector

Throws:

Exception

Append

public void Append(Vector value)
            throws Exception

Specified by:

Append in interface Vector

Specified by:

Append in class AbstractVector

Throws:

Exception

getdataArray

public float[] getdataArray()

get

public Entity get(int index)

getSubVector

public Vector getSubVector(int[] indices)

getFloat

public float getFloat(int index)

set

public void set(int index,
                Entity value)
         throws Exception

Throws:

Exception

setFloat

public void setFloat(int index,
                     float value)

combine

public Vector combine(Vector vector)

isNull

public boolean isNull(int index)

setNull

public void setNull(int index)

getDataCategory

public Entity.DATA_CATEGORY getDataCategory()

getDataType

public Entity.DATA_TYPE getDataType()

rows

public int rows()

getElementClass

public Class<?> getElementClass()

writeVectorToOutputStream

protected void writeVectorToOutputStream(ExtendedDataOutput out)
                                  throws IOException

Specified by:

writeVectorToOutputStream in class AbstractVector

Throws:

IOException

writeVectorToBuffer

public ByteBuffer writeVectorToBuffer(ByteBuffer buffer)
                               throws IOException

Overrides:

writeVectorToBuffer in class AbstractVector

Throws:

IOException

asof

public int asof(Scalar value)

serialize

public int serialize(int indexStart,
                     int offect,
                     int targetNumElement,
                     AbstractVector.NumElementAndPartial numElementAndPartial,
                     ByteBuffer out)
              throws IOException

Specified by:

serialize in interface Vector

Overrides:

serialize in class AbstractVector

Throws:

IOException