Package adams.gui.visualization.instance

Class InstanceComparePanel.DatasetIndexer

java.lang.Object

adams.gui.visualization.instance.InstanceComparePanel.DatasetIndexer

All Implemented Interfaces:

Serializable

Enclosing class:

InstanceComparePanel

public static class InstanceComparePanel.DatasetIndexer
extends Object
implements Serializable

Helper class for indexing the rows of a dataset.

Author:

fracpete (fracpete at waikato dot ac dot nz)

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
protected Index	m_AttributeIndex	the attribute to index.
protected weka.core.Instances	m_Dataset	the underlying dataset.
protected TreeMap<String,Integer>	m_Index	the index.
protected Boolean	m_IsString	whether the attribute is numeric or string/nominal.
protected Range	m_Range	the range of attributes to use.
protected weka.filters.unsupervised.attribute.Remove	m_Remove	the remove filter for trimming the range of attributes to return.
static int	MAX_DECIMAL	the maximum number of decimals after the decimal point to use.

Constructor Summary

Constructors

Constructor	Description
DatasetIndexer()	Initializes the indexer.

Method Summary

Modifier and Type	Method	Description
String	getAttributeIndex()	Returns the index of the attribute to use for indexing.
weka.core.Instances	getDataset()	Returns the dataset to index.
TreeMap<String,Integer>	getIndex()	Returns the index, generates it if necessary.
String	getRange()	Returns the range of attributes to use.
Instance	getRow(String row)	Returns the Instance for the row.
List<String>	getRows()	Returns a list of row IDs.
boolean	hasAttributeIndex()	Checks whether an attribute index has been set.
protected void	initialize()	Initializes the indexer, if necessary.
boolean	isString()	Returns whether the sort index is nominal/string or numeric.
protected void	reset()	Invalidates the indexer.
void	setAttributeIndex(String value)	Sets the index of the attribute to use for indexing.
void	setDataset(weka.core.Instances value)	Sets the dataset to index.
void	setRange(String value)	Sets the range of attributes to use.

Methods inherited from class java.lang.Object

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

Field Detail

MAX_DECIMAL

public static final int MAX_DECIMAL

the maximum number of decimals after the decimal point to use.

See Also:

Constant Field Values

m_Dataset

protected weka.core.Instances m_Dataset

the underlying dataset.

m_AttributeIndex

protected Index m_AttributeIndex

the attribute to index.

m_Range

protected Range m_Range

the range of attributes to use.

m_Index

protected TreeMap<String,Integer> m_Index

the index.

m_IsString

protected Boolean m_IsString

whether the attribute is numeric or string/nominal.

m_Remove

protected weka.filters.unsupervised.attribute.Remove m_Remove

the remove filter for trimming the range of attributes to return.

Constructor Detail

DatasetIndexer

public DatasetIndexer()

Initializes the indexer.

Method Detail

reset

protected void reset()

Invalidates the indexer.

setDataset

public void setDataset(weka.core.Instances value)

Sets the dataset to index.

Parameters:

value - the dataset

getDataset

public weka.core.Instances getDataset()

Returns the dataset to index.

Returns:

the dataset

hasAttributeIndex

public boolean hasAttributeIndex()

Checks whether an attribute index has been set.

Returns:

true if an attribute index has been set

setAttributeIndex

public void setAttributeIndex(String value)

Sets the index of the attribute to use for indexing.

Parameters:

value - the index

getAttributeIndex

public String getAttributeIndex()

Returns the index of the attribute to use for indexing.

Returns:

the index

setRange

public void setRange(String value)

Sets the range of attributes to use.

Parameters:

value - the range

getRange

public String getRange()

Returns the range of attributes to use.

Returns:

the range

initialize

protected void initialize()

Initializes the indexer, if necessary.

isString

public boolean isString()

Returns whether the sort index is nominal/string or numeric.

Returns:

true if string/nominal

getIndex

public TreeMap<String,Integer> getIndex()

Returns the index, generates it if necessary.

Returns:

the generated index

getRows

public List<String> getRows()

Returns a list of row IDs.

Returns:

the available IDs

getRow

public Instance getRow(String row)

Returns the Instance for the row.

Parameters:

row - the row to retrieve

Returns:

the row or null if not found or failed to filter