com.xxdb.data

Class AbstractMatrix

java.lang.Object

com.xxdb.data.AbstractEntity

com.xxdb.data.AbstractMatrix

All Implemented Interfaces:

Entity, Matrix

Direct Known Subclasses:

BasicBooleanMatrix, BasicByteMatrix, BasicDoubleMatrix, BasicFloatMatrix, BasicIntMatrix, BasicLongMatrix, BasicShortMatrix, BasicStringMatrix

public abstract class AbstractMatrix
extends AbstractEntity
implements Matrix

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

Modifier and Type	Field and Description
protected byte[]	buf
protected static int	BUF_SIZE
protected int	columns
protected int	rows

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AbstractMatrix(ExtendedDataInput in)
protected	AbstractMatrix(int rows, int columns)

Method Summary

Modifier and Type	Method and Description
int	columns()
Scalar	getColumnLabel(int index)
Vector	getColumnLabels()
Entity.DATA_FORM	getDataForm()
protected int	getIndex(int row, int column)
Scalar	getRowLabel(int index)
Vector	getRowLabels()
String	getString()
boolean	hasColumnLabel()
boolean	hasRowLabel()
protected abstract void	readMatrixFromInputStream(int rows, int columns, ExtendedDataInput in)
int	rows()
void	setColumnLabels(Vector vector)
void	setRowLabels(Vector vector)
void	write(ExtendedDataOutput out)
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.Matrix

get, getElementClass, isNull, setNull

Methods inherited from interface com.xxdb.data.Entity

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

Field Detail

rows

protected int rows

columns

protected int columns

BUF_SIZE

protected static final int BUF_SIZE

See Also:

Constant Field Values

buf

protected byte[] buf

Constructor Detail

AbstractMatrix

protected AbstractMatrix(int rows,
                         int columns)

AbstractMatrix

protected AbstractMatrix(ExtendedDataInput in)
                  throws IOException

Throws:

IOException

Method Detail

readMatrixFromInputStream

protected abstract void readMatrixFromInputStream(int rows,
                                                  int columns,
                                                  ExtendedDataInput in)
                                           throws IOException

Throws:

IOException

writeVectorToOutputStream

protected abstract void writeVectorToOutputStream(ExtendedDataOutput out)
                                           throws IOException

Throws:

IOException

getIndex

protected int getIndex(int row,
                       int column)

hasRowLabel

public boolean hasRowLabel()

Specified by:

hasRowLabel in interface Matrix

hasColumnLabel

public boolean hasColumnLabel()

Specified by:

hasColumnLabel in interface Matrix

getRowLabel

public Scalar getRowLabel(int index)

Specified by:

getRowLabel in interface Matrix

getColumnLabel

public Scalar getColumnLabel(int index)

Specified by:

getColumnLabel in interface Matrix

getRowLabels

public Vector getRowLabels()

Specified by:

getRowLabels in interface Matrix

setRowLabels

public void setRowLabels(Vector vector)

getColumnLabels

public Vector getColumnLabels()

Specified by:

getColumnLabels in interface Matrix

setColumnLabels

public void setColumnLabels(Vector vector)

getString

public String getString()

Specified by:

getString in interface Entity

getDataForm

public Entity.DATA_FORM getDataForm()

Specified by:

getDataForm in interface Entity

Specified by:

getDataForm in class AbstractEntity

rows

public int rows()

Specified by:

rows in interface Entity

columns

public int columns()

Specified by:

columns in interface Entity

write

public void write(ExtendedDataOutput out)
           throws IOException

Specified by:

write in interface Entity

Throws:

IOException