com.xxdb.data

Class BasicLongVector

java.lang.Object

com.xxdb.data.AbstractEntity

com.xxdb.data.AbstractVector

com.xxdb.data.BasicLongVector

All Implemented Interfaces:

Entity, Vector

Direct Known Subclasses:

BasicNanoTimestampVector, BasicNanoTimeVector, BasicTimestampVector

public class BasicLongVector
extends AbstractVector

Corresponds to DolphinDB long 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

Modifier and Type	Field and Description
protected long[]	values

Fields inherited from class com.xxdb.data.AbstractVector

buf, BUF_SIZE, compressedMethod

Fields inherited from interface com.xxdb.data.Vector

COMPRESS_DELTA, COMPRESS_LZ4, DISPLAY_ROWS

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method and Description
int	asof(Scalar value)
Vector	combine(Vector vector)
void	deserialize(int start, int count, ExtendedDataInput in)
Scalar	get(int index)
Entity.DATA_CATEGORY	getDataCategory()
Entity.DATA_TYPE	getDataType()
Class<?>	getElementClass()
long	getLong(int index)
protected long[]	getSubArray(int[] indices)
Vector	getSubVector(int[] indices)
int	getUnitLength()
int	hashBucket(int index, int buckets)
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, Scalar value)
void	setLong(int index, long 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, getString, getString, getUnitLength, 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

Field Detail

values

protected long[] values

Constructor Detail

BasicLongVector

public BasicLongVector(int size)

BasicLongVector

public BasicLongVector(List<Long> list)

BasicLongVector

public BasicLongVector(long[] array)

BasicLongVector

protected BasicLongVector(long[] array,
                          boolean copy)

BasicLongVector

protected BasicLongVector(Entity.DATA_FORM df,
                          int size)

BasicLongVector

protected BasicLongVector(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

get

public Scalar get(int index)

getSubVector

public Vector getSubVector(int[] indices)

getSubArray

protected long[] getSubArray(int[] indices)

getLong

public long getLong(int index)

set

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

Throws:

Exception

setLong

public void setLong(int index,
                    long value)

hashBucket

public int hashBucket(int index,
                      int buckets)

Specified by:

hashBucket in interface Vector

Overrides:

hashBucket in class AbstractVector

getUnitLength

public int getUnitLength()

Specified by:

getUnitLength in interface Vector

Specified by:

getUnitLength in class AbstractVector

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