Package adams.data.spreadsheet.colstatistic

Class Distinct

java.lang.Object

adams.core.logging.LoggingObject

adams.core.logging.CustomLoggingLevelObject

adams.core.option.AbstractOptionHandler

adams.data.spreadsheet.colstatistic.AbstractColumnStatistic

adams.data.spreadsheet.colstatistic.Distinct

All Implemented Interfaces:

Destroyable, ErrorProvider, GlobalInfoSupporter, LoggingLevelHandler, LoggingSupporter, OptionHandler, SizeOfHandler, Serializable

public class Distinct
extends AbstractColumnStatistic

Counts the distinct numeric/string values.

-logging-level <OFF|SEVERE|WARNING|INFO|CONFIG|FINE|FINER|FINEST> (property: loggingLevel)
    The logging level for outputting errors and debugging output.
    default: WARNING
 

Version:

$Revision$

Author:

fracpete (fracpete at waikato dot ac dot nz)

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
protected HashSet<String>	m_Labels	for counting the distinct the labels.
protected gnu.trove.set.hash.TDoubleHashSet	m_Numbers	for counting the distinct the numeric values.

Fields inherited from class adams.data.spreadsheet.colstatistic.AbstractColumnStatistic

m_LastError

Fields inherited from class adams.core.option.AbstractOptionHandler

m_OptionManager

Fields inherited from class adams.core.logging.LoggingObject

m_Logger, m_LoggingIsEnabled, m_LoggingLevel

Constructor Summary

Constructors

Constructor	Description
Distinct()

Method Summary

Modifier and Type	Method	Description
protected void	doVisit(Row row, int colIndex)	Gets called with every row in the spreadsheet for generating the stats.
String	globalInfo()	Returns a string describing the object.
protected SpreadSheet	postVisit(SpreadSheet sheet, int colIndex)	Finishes up the stats generation after all the cells have been visited.
protected void	preVisit(SpreadSheet sheet, int colIndex)	Performs initialization before the cells are being visited.

Methods inherited from class adams.data.spreadsheet.colstatistic.AbstractColumnStatistic

check, createOutputHeader, doGenerate, generate, getLastError, hasLastError

Methods inherited from class adams.core.option.AbstractOptionHandler

cleanUpOptions, defineOptions, destroy, finishInit, getDefaultLoggingLevel, getOptionManager, initialize, loggingLevelTipText, newOptionManager, reset, setLoggingLevel, toCommandLine, toString

Methods inherited from class adams.core.logging.LoggingObject

configureLogger, getLogger, getLoggingLevel, initializeLogging, isLoggingEnabled, sizeOf

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface adams.core.logging.LoggingLevelHandler

getLoggingLevel

Field Detail

m_Numbers

protected gnu.trove.set.hash.TDoubleHashSet m_Numbers

for counting the distinct the numeric values.

m_Labels

protected HashSet<String> m_Labels

for counting the distinct the labels.

Constructor Detail

Distinct

public Distinct()

Method Detail

globalInfo

public String globalInfo()

Returns a string describing the object.

Specified by:

globalInfo in interface GlobalInfoSupporter

Specified by:

globalInfo in class AbstractOptionHandler

Returns:

a description suitable for displaying in the gui

preVisit

protected void preVisit(SpreadSheet sheet,
                        int colIndex)

Performs initialization before the cells are being visited.

Specified by:

preVisit in class AbstractColumnStatistic

Parameters:

sheet - the spreadsheet to generate the stats for

colIndex - the column index

doVisit

protected void doVisit(Row row,
                       int colIndex)

Gets called with every row in the spreadsheet for generating the stats.

Specified by:

doVisit in class AbstractColumnStatistic

Parameters:

row - the current row

colIndex - the column index

postVisit

protected SpreadSheet postVisit(SpreadSheet sheet,
                                int colIndex)

Finishes up the stats generation after all the cells have been visited.

Specified by:

postVisit in class AbstractColumnStatistic

Parameters:

sheet - the spreadsheet to generate the stats for

colIndex - the column index

Returns:

the generated stats