com.xxdb.data

Class BasicByteVector

java.lang.Object

com.xxdb.data.AbstractEntity

com.xxdb.data.AbstractVector

com.xxdb.data.BasicByteVector

All Implemented Interfaces:

Entity, Vector

public class BasicByteVector
extends AbstractVector

Corresponds to DolphinDB char vector

Nested Class Summary

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

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
	BasicByteVector(byte[] array)
protected	BasicByteVector(byte[] array, boolean copy)
protected	BasicByteVector(Entity.DATA_FORM df, ExtendedDataInput in)
protected	BasicByteVector(Entity.DATA_FORM df, int size)
	BasicByteVector(int size)
	BasicByteVector(List<Byte> list)

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)
byte	getByte(int index)
Entity.DATA_CATEGORY	getDataCategory()
Entity.DATA_TYPE	getDataType()
Class<?>	getElementClass()
Vector	getSubVector(int[] indices)
int	hashBucket(int index, int buckets)
boolean	isNull(int index)
int	rows()
void	set(int index, Scalar value)
void	setByte(int index, byte value)
void	setNull(int index)
protected ByteBuffer	writeVectorToBuffer(ByteBuffer buffer)
protected void	writeVectorToOutputStream(ExtendedDataOutput out)

Methods inherited from class com.xxdb.data.AbstractVector

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

Constructor Detail

BasicByteVector

public BasicByteVector(int size)

BasicByteVector

public BasicByteVector(List<Byte> list)

BasicByteVector

public BasicByteVector(byte[] array)

BasicByteVector

protected BasicByteVector(byte[] array,
                          boolean copy)

BasicByteVector

protected BasicByteVector(Entity.DATA_FORM df,
                          int size)

BasicByteVector

protected BasicByteVector(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

combine

public Vector combine(Vector vector)

get

public Scalar get(int index)

getSubVector

public Vector getSubVector(int[] indices)

getByte

public byte getByte(int index)

set

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

Throws:

Exception

setByte

public void setByte(int index,
                    byte value)

hashBucket

public int hashBucket(int index,
                      int buckets)

Specified by:

hashBucket in interface Vector

Overrides:

hashBucket in class AbstractVector

isNull

public boolean isNull(int index)

setNull

public void setNull(int index)

getDataCategory

public Entity.DATA_CATEGORY getDataCategory()

getDataType

public Entity.DATA_TYPE getDataType()

getElementClass

public Class<?> getElementClass()

rows

public int rows()

writeVectorToOutputStream

protected void writeVectorToOutputStream(ExtendedDataOutput out)
                                  throws IOException

Specified by:

writeVectorToOutputStream in class AbstractVector

Throws:

IOException

asof

public int asof(Scalar value)

writeVectorToBuffer

protected ByteBuffer writeVectorToBuffer(ByteBuffer buffer)
                                  throws IOException

Overrides:

writeVectorToBuffer in class AbstractVector

Throws:

IOException