org.deidentifier.arx

Class DataHandleSubset

java.lang.Object

org.deidentifier.arx.DataHandle

org.deidentifier.arx.DataHandleSubset

public class DataHandleSubset
extends DataHandle

This implementation of a data handle projects a given data handle onto a given research subset.

Constructor Summary

Constructors

Constructor and Description
DataHandleSubset(DataHandle source, DataSubset subset) Creates a new handle that represents the research subset.

Method Summary

Modifier and Type	Method and Description
java.lang.String	getAttributeName(int col) Returns the name of the specified column.
DataType<?>	getDataType(java.lang.String attribute) Returns the according data type.
int	getGeneralization(java.lang.String attribute) Returns the generalization level for the attribute.
int	getNumColumns() Returns the number of columns in the dataset.
int	getNumRows() Returns the number of rows in the dataset.
StatisticsBuilder	getStatistics() Returns an object providing access to basic descriptive statistics about the data represented by this handle.
int[]	getSubset() Returns the research subset.
java.lang.String	getValue(int row, int col) Returns the value in the specified cell.
DataHandle	getView() Returns a new data handle that represents a context specific view on the dataset.
boolean	isOptimized() Has this handle been optimized with local recoding?
boolean	isOutlier(int row) Determines whether a given row is an outlier in the currently associated data transformation.
java.util.Iterator<java.lang.String[]>	iterator() Returns an iterator over the data.
boolean	replace(int column, java.lang.String original, java.lang.String replacement) Replaces the original value with the replacement in the given column.

Methods inherited from class org.deidentifier.arx.DataHandle

getColumnIndexOf, getDate, getDefinition, getDistinctValues, getDouble, getFloat, getInt, getLong, getMatchingDataTypes, getMatchingDataTypes, getMatchingDataTypes, getMatchingDataTypes, getMatchingDataTypes, getMatchingDataTypes, getMatchingDataTypes, getMatchingDataTypes, getNonConformingValues, getNumConformingValues, getRiskEstimator, getRiskEstimator, getRiskEstimator, getRiskEstimator, getRiskEstimator, getRiskEstimator, getRiskEstimator, getTransformation, isReleased, isSuppressed, release, render, save, save, save, save, save, save, save, save, save, sort, sort, sort, sort, swap

Methods inherited from class java.lang.Object

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

Constructor Detail

DataHandleSubset

public DataHandleSubset(DataHandle source,
                        DataSubset subset)

Creates a new handle that represents the research subset.

Parameters:

source -

subset -

Method Detail

getAttributeName

public java.lang.String getAttributeName(int col)

Description copied from class: DataHandle

Returns the name of the specified column.

Specified by:

getAttributeName in class DataHandle

Parameters:

col - The column index

Returns:

the attribute name

getDataType

public DataType<?> getDataType(java.lang.String attribute)

Description copied from class: DataHandle

Returns the according data type.

Overrides:

getDataType in class DataHandle

Parameters:

attribute - the attribute

Returns:

the data type

getGeneralization

public int getGeneralization(java.lang.String attribute)

Description copied from class: DataHandle

Returns the generalization level for the attribute.

Specified by:

getGeneralization in class DataHandle

Parameters:

attribute - the attribute

Returns:

the generalization

getNumColumns

public int getNumColumns()

Description copied from class: DataHandle

Returns the number of columns in the dataset.

Specified by:

getNumColumns in class DataHandle

Returns:

the num columns

getNumRows

public int getNumRows()

Description copied from class: DataHandle

Returns the number of rows in the dataset.

Specified by:

getNumRows in class DataHandle

Returns:

the num rows

getStatistics

public StatisticsBuilder getStatistics()

Description copied from class: DataHandle

Returns an object providing access to basic descriptive statistics about the data represented by this handle.

Specified by:

getStatistics in class DataHandle

Returns:

the statistics

getSubset

public int[] getSubset()

Returns the research subset.

Returns:

getValue

public java.lang.String getValue(int row,
                                 int col)

Description copied from class: DataHandle

Returns the value in the specified cell.

Specified by:

getValue in class DataHandle

Parameters:

row - The cell's row index

col - The cell's column index

Returns:

the value

getView

public DataHandle getView()

Description copied from class: DataHandle

Returns a new data handle that represents a context specific view on the dataset.

Overrides:

getView in class DataHandle

Returns:

the view

isOptimized

public boolean isOptimized()

Description copied from class: DataHandle

Has this handle been optimized with local recoding?

Overrides:

isOptimized in class DataHandle

Returns:

isOutlier

public boolean isOutlier(int row)

Description copied from class: DataHandle

Determines whether a given row is an outlier in the currently associated data transformation.

Overrides:

isOutlier in class DataHandle

Parameters:

row - the row

Returns:

true, if is outlier

iterator

public java.util.Iterator<java.lang.String[]> iterator()

Description copied from class: DataHandle

Returns an iterator over the data.

Specified by:

iterator in class DataHandle

Returns:

the iterator

replace

public boolean replace(int column,
                       java.lang.String original,
                       java.lang.String replacement)

Description copied from class: DataHandle

Replaces the original value with the replacement in the given column. Only supported by handles for input data.

Overrides:

replace in class DataHandle

Parameters:

column - the column

original - the original

replacement - the replacement

Returns:

Whether the original value was found