com.xxdb.data

Class AbstractVector

java.lang.Object

com.xxdb.data.AbstractEntity

com.xxdb.data.AbstractVector

All Implemented Interfaces:

Entity, Vector

Direct Known Subclasses:

BasicAnyVector, BasicArrayVector, BasicBooleanVector, BasicByteVector, BasicComplexVector, BasicDoubleVector, BasicDurationVector, BasicFloatVector, BasicInt128Vector, BasicIntVector, BasicLongVector, BasicPointVector, BasicShortVector, BasicStringVector, BasicSymbolVector

public abstract class AbstractVector
extends AbstractEntity
implements Vector

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	AbstractVector.NumElementAndPartial
static class	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 byte[]	buf
protected static int	BUF_SIZE
protected int	compressedMethod

Fields inherited from interface com.xxdb.data.Vector

COMPRESS_DELTA, COMPRESS_LZ4, DISPLAY_ROWS

Constructor Summary

Constructors

Constructor and Description
AbstractVector(Entity.DATA_FORM df)

Method Summary

Modifier and Type	Method and Description
static boolean	checkCompressedMethod(Entity.DATA_TYPE type, int compressedMethod)
int	columns()
void	deserialize(int start, int count, ExtendedDataInput in)
Entity.DATA_FORM	getDataForm()
String	getString()
String	getString(int index)
abstract int	getUnitLength()
static int	getUnitLength(Entity.DATA_TYPE type)
int	hashBucket(int index, int buckets)
int	serialize(int indexStart, int offect, int targetNumElement, AbstractVector.NumElementAndPartial numElementAndPartial, ByteBuffer out)
void	setCompressedMethod(int method)
void	write(ExtendedDataOutput out)
void	writeCompressed(ExtendedDataOutput output)
ByteBuffer	writeVectorToBuffer(ByteBuffer buffer)
protected abstract void	writeVectorToOutputStream(ExtendedDataOutput out)

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.Vector

asof, combine, get, getElementClass, getSubVector, isNull, serialize, set, setNull

Methods inherited from interface com.xxdb.data.Entity

getDataCategory, getDataType, isChart, isChunk, isDictionary, isMatrix, isPair, isScalar, isTable, isVector, rows, typeToCategory

Field Detail

BUF_SIZE

protected static final int BUF_SIZE

See Also:

Constant Field Values

buf

protected byte[] buf

compressedMethod

protected int compressedMethod

Constructor Detail

AbstractVector

public AbstractVector(Entity.DATA_FORM df)

Method Detail

writeVectorToOutputStream

protected abstract void writeVectorToOutputStream(ExtendedDataOutput out)
                                           throws IOException

Throws:

IOException

serialize

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

Specified by:

serialize in interface Vector

Throws:

IOException

deserialize

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

Specified by:

deserialize in interface Vector

Throws:

IOException

getDataForm

public Entity.DATA_FORM getDataForm()

Specified by:

getDataForm in interface Entity

Specified by:

getDataForm in class AbstractEntity

columns

public int columns()

Specified by:

columns in interface Entity

hashBucket

public int hashBucket(int index,
                      int buckets)

Specified by:

hashBucket in interface Vector

getString

public String getString(int index)

Specified by:

getString in interface Vector

getString

public String getString()

Specified by:

getString in interface Entity

write

public void write(ExtendedDataOutput out)
           throws IOException

Specified by:

write in interface Entity

Throws:

IOException

getUnitLength

public abstract int getUnitLength()

Specified by:

getUnitLength in interface Vector

checkCompressedMethod

public static boolean checkCompressedMethod(Entity.DATA_TYPE type,
                                            int compressedMethod)

setCompressedMethod

public void setCompressedMethod(int method)

writeVectorToBuffer

public ByteBuffer writeVectorToBuffer(ByteBuffer buffer)
                               throws IOException

Throws:

IOException

getUnitLength

public static int getUnitLength(Entity.DATA_TYPE type)

writeCompressed

public void writeCompressed(ExtendedDataOutput output)
                     throws IOException

Specified by:

writeCompressed in interface Entity

Throws:

IOException