com.xxdb.data

Class BasicStringVector

java.lang.Object

com.xxdb.data.AbstractEntity

com.xxdb.data.AbstractVector

com.xxdb.data.BasicStringVector

All Implemented Interfaces:

Entity, Vector

public class BasicStringVector
extends AbstractVector

Corresponds to DolphinDB string 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

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
	BasicStringVector(byte[][] array)
protected	BasicStringVector(Entity.DATA_FORM df, ExtendedDataInput in, boolean isSymbol, boolean blob)
protected	BasicStringVector(Entity.DATA_FORM df, ExtendedDataInput in, boolean blob, SymbolBaseCollection collection)
protected	BasicStringVector(Entity.DATA_FORM df, int size, boolean isSymbol)
protected	BasicStringVector(Entity.DATA_FORM df, int size, boolean isSymbol, boolean isBlob)
	BasicStringVector(int size)
	BasicStringVector(List<String> list)
	BasicStringVector(List<String> list, boolean blob)
	BasicStringVector(String[] array)
	BasicStringVector(String[] array, boolean blob)
	BasicStringVector(String[] array, boolean blob, boolean copy)

Method Summary

Modifier and Type	Method and Description
int	asof(Scalar value)
Vector	combine(Vector vector)
Scalar	get(int index)
Entity.DATA_CATEGORY	getDataCategory()
Entity.DATA_TYPE	getDataType()
Class<?>	getElementClass()
String	getString(int index)
Vector	getSubVector(int[] indices)
int	getUnitLength()
int	hashBucket(int index, int buckets)
boolean	isNull(int index)
int	rows()
int	serialize(byte[] buf, int bufSize, int start, int elementCount, AbstractVector.Offect offect)
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	setNull(int index)
void	setString(int index, String value)
ByteBuffer	writeVectorToBuffer(ByteBuffer buffer)
protected void	writeVectorToOutputStream(ExtendedDataOutput out)

Methods inherited from class com.xxdb.data.AbstractVector

checkCompressedMethod, columns, deserialize, getDataForm, 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

BasicStringVector

public BasicStringVector(int size)

BasicStringVector

public BasicStringVector(List<String> list)

BasicStringVector

public BasicStringVector(List<String> list,
                         boolean blob)

BasicStringVector

public BasicStringVector(byte[][] array)

BasicStringVector

public BasicStringVector(String[] array)

BasicStringVector

public BasicStringVector(String[] array,
                         boolean blob)

BasicStringVector

public BasicStringVector(String[] array,
                         boolean blob,
                         boolean copy)

BasicStringVector

protected BasicStringVector(Entity.DATA_FORM df,
                            int size,
                            boolean isSymbol)

BasicStringVector

protected BasicStringVector(Entity.DATA_FORM df,
                            int size,
                            boolean isSymbol,
                            boolean isBlob)

BasicStringVector

protected BasicStringVector(Entity.DATA_FORM df,
                            ExtendedDataInput in,
                            boolean isSymbol,
                            boolean blob)
                     throws IOException

Throws:

IOException

BasicStringVector

protected BasicStringVector(Entity.DATA_FORM df,
                            ExtendedDataInput in,
                            boolean blob,
                            SymbolBaseCollection collection)
                     throws IOException

Throws:

IOException

Method Detail

get

public Scalar get(int index)

getSubVector

public Vector getSubVector(int[] indices)

getString

public String getString(int index)

Specified by:

getString in interface Vector

Overrides:

getString in class AbstractVector

getUnitLength

public int getUnitLength()

Specified by:

getUnitLength in interface Vector

Specified by:

getUnitLength in class AbstractVector

set

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

Throws:

Exception

setString

public void setString(int index,
                      String value)

hashBucket

public int hashBucket(int index,
                      int buckets)

Specified by:

hashBucket in interface Vector

Overrides:

hashBucket 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()

getElementClass

public Class<?> getElementClass()

serialize

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

Throws:

IOException

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

public ByteBuffer writeVectorToBuffer(ByteBuffer buffer)
                               throws IOException

Overrides:

writeVectorToBuffer in class AbstractVector

Throws:

IOException

serialize

public int serialize(byte[] buf,
                     int bufSize,
                     int start,
                     int elementCount,
                     AbstractVector.Offect offect)

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