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 interface com.xxdb.data.Entity

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

Field Summary

Fields inherited from class com.xxdb.data.AbstractVector

buf, BUF_SIZE

Fields inherited from interface com.xxdb.data.Vector

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)

Method Summary

Modifier and Type	Method and Description
Scalar	get(int index)
Entity.DATA_CATEGORY	getDataCategory()
Entity.DATA_TYPE	getDataType()
Class<?>	getElementClass()
long	getLong(int index)
boolean	isNull(int index)
int	rows()
void	set(int index, Scalar value)
void	setLong(int index, long value)
void	setNull(int index)
protected void	writeVectorToOutputStream(ExtendedDataOutput out)

Methods inherited from class com.xxdb.data.AbstractVector

columns, getDataForm, getString, write

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

BasicLongVector

public BasicLongVector(int size)

BasicLongVector

public BasicLongVector(List<Long> list)

BasicLongVector

public BasicLongVector(long[] array)

BasicLongVector

protected BasicLongVector(Entity.DATA_FORM df,
                          int size)

BasicLongVector

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

Throws:

IOException

Method Detail

get

public Scalar get(int index)

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)

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