com.xxdb.data

Class BasicFloatMatrix

java.lang.Object

com.xxdb.data.AbstractEntity

com.xxdb.data.AbstractMatrix

com.xxdb.data.BasicFloatMatrix

All Implemented Interfaces:

Entity, Matrix

public class BasicFloatMatrix
extends AbstractMatrix

Corresponds to DolphinDB float 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 inherited from class com.xxdb.data.AbstractMatrix

buf, BUF_SIZE, columns, rows

Constructor Summary

Constructors

Constructor and Description
BasicFloatMatrix(ExtendedDataInput in)
BasicFloatMatrix(int rows, int columns)
BasicFloatMatrix(int rows, int columns, List<float[]> listOfArrays)

Method Summary

Modifier and Type	Method and Description
Scalar	get(int row, int column)
Entity.DATA_CATEGORY	getDataCategory()
Entity.DATA_TYPE	getDataType()
Class<?>	getElementClass()
float	getFloat(int row, int column)
boolean	isNull(int row, int column)
protected void	readMatrixFromInputStream(int rows, int columns, ExtendedDataInput in)
void	setFloat(int row, int column, float value)
void	setNull(int row, int column)
protected void	writeVectorToOutputStream(ExtendedDataOutput out)

Methods inherited from class com.xxdb.data.AbstractMatrix

columns, getColumnLabel, getColumnLabels, getDataForm, getIndex, getRowLabel, getRowLabels, getString, hasColumnLabel, hasRowLabel, rows, setColumnLabels, setRowLabels, 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

BasicFloatMatrix

public BasicFloatMatrix(int rows,
                        int columns)

BasicFloatMatrix

public BasicFloatMatrix(int rows,
                        int columns,
                        List<float[]> listOfArrays)
                 throws Exception

Throws:

Exception

BasicFloatMatrix

public BasicFloatMatrix(ExtendedDataInput in)
                 throws IOException

Throws:

IOException

Method Detail

setFloat

public void setFloat(int row,
                     int column,
                     float value)

getFloat

public float getFloat(int row,
                      int column)

isNull

public boolean isNull(int row,
                      int column)

setNull

public void setNull(int row,
                    int column)

get

public Scalar get(int row,
                  int column)

getDataCategory

public Entity.DATA_CATEGORY getDataCategory()

getDataType

public Entity.DATA_TYPE getDataType()

getElementClass

public Class<?> getElementClass()

readMatrixFromInputStream

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

Specified by:

readMatrixFromInputStream in class AbstractMatrix

Throws:

IOException

writeVectorToOutputStream

protected void writeVectorToOutputStream(ExtendedDataOutput out)
                                  throws IOException

Specified by:

writeVectorToOutputStream in class AbstractMatrix

Throws:

IOException