org.deidentifier.arx

Class DataHandleInput

java.lang.Object

org.deidentifier.arx.DataHandle

org.deidentifier.arx.DataHandleInput

public class DataHandleInput
extends DataHandle

An implementation of the DataHandle interface for input data.

Field Summary

Fields

Modifier and Type	Field and Description
protected org.deidentifier.arx.framework.data.DataMatrix	data The data.
protected org.deidentifier.arx.framework.data.Dictionary	dictionary The dictionary.

Fields inherited from class org.deidentifier.arx.DataHandle

columnToDataType, definition, header, headerMap, node, registry, subset

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	DataHandleInput(Data data) Creates a new data handle.

Method Summary

Modifier and Type	Method and Description
protected void	doRelease() Releases all resources.
java.lang.String	getAttributeName(int column) Returns the name of the specified column.
protected DataType<?>	getBaseDataType(java.lang.String attribute) Returns the base data type without generalization.
protected DataType<?>[]	getColumnToDataType() Generates an array of data types.
protected ARXConfiguration	getConfiguration() Returns the ARXConfiguration that is currently being used, null if this is an input handle
protected java.lang.String[]	getDistinctValues(int column, boolean ignoreSuppression, DataHandleInternal.InterruptHandler handler) Returns the distinct values.
int	getGeneralization(java.lang.String attribute) Returns the generalization level for the attribute.
protected org.deidentifier.arx.framework.data.DataMatrix	getInputBuffer() Returns the input buffer
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.
java.lang.String	getValue(int row, int column) Returns the value in the specified cell.
protected int	getValueIdentifier(int column, java.lang.String value) Returns the internal value identifier
protected int	internalGetEncodedValue(int row, int column, boolean ignoreSuppression) Internal representation of get encoded value.
protected java.lang.String	internalGetValue(int row, int column, boolean ignoreSuppression) Internal representation of get value.
protected boolean	internalIsOutlier(int row) Returns whether the given row is an outlier.
protected boolean	internalIsOutlier(int row, int[] columns) Returns whether this is an outlier regarding the given columns.
protected boolean	internalReplace(int column, java.lang.String original, java.lang.String replacement) Internal replacement method.
protected void	internalSwap(int row1, int row2) Swaps the rows.
protected boolean	isLocked() Is this handle locked?.
java.util.Iterator<java.lang.String[]>	iterator() Returns an iterator over the data.
protected void	setDefinition(DataDefinition definition) Overrides the handles data definition.
protected void	setLocked(boolean locked) Lock/unlock this handle.
protected void	update(Data data) Update the definition.
protected void	update(org.deidentifier.arx.framework.data.DataMatrix dataGeneralized, org.deidentifier.arx.framework.data.DataMatrix dataAnalyzed) Updates the definition with further data to swap.

Methods inherited from class org.deidentifier.arx.DataHandle

checkColumn, checkColumns, checkReleased, checkRow, getColumnIndexOf, getDataType, getDate, getDefinition, getDistinctValues, getDouble, getFloat, getInt, getLong, getMatchingDataTypes, getMatchingDataTypes, getMatchingDataTypes, getMatchingDataTypes, getMatchingDataTypes, getMatchingDataTypes, getMatchingDataTypes, getMatchingDataTypes, getNonConformingValues, getNumConformingValues, getRegistry, getRiskEstimator, getRiskEstimator, getRiskEstimator, getRiskEstimator, getRiskEstimator, getRiskEstimator, getRiskEstimator, getTransformation, getView, internalCompare, isAnonymous, isOptimized, isOutlier, isReleased, isSuppressed, release, render, replace, save, save, save, save, save, save, save, save, save, setHeader, setRegistry, setView, sort, sort, sort, sort, swap

Methods inherited from class java.lang.Object

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

Field Detail

data

protected org.deidentifier.arx.framework.data.DataMatrix data

The data.

dictionary

protected org.deidentifier.arx.framework.data.Dictionary dictionary

The dictionary.

Constructor Detail

DataHandleInput

protected DataHandleInput(Data data)

Creates a new data handle.

Parameters:

data -

Method Detail

getAttributeName

public java.lang.String getAttributeName(int column)

Description copied from class: DataHandle

Returns the name of the specified column.

Specified by:

getAttributeName in class DataHandle

Parameters:

column - The column index

Returns:

the attribute name

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

getValue

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

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

column - The cell's column index

Returns:

the value

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

doRelease

protected void doRelease()

Releases all resources.

Specified by:

doRelease in class DataHandle

getBaseDataType

protected DataType<?> getBaseDataType(java.lang.String attribute)

Description copied from class: DataHandle

Returns the base data type without generalization.

Overrides:

getBaseDataType in class DataHandle

Parameters:

attribute - the attribute

Returns:

the base data type

getColumnToDataType

protected DataType<?>[] getColumnToDataType()

Description copied from class: DataHandle

Generates an array of data types.

Specified by:

getColumnToDataType in class DataHandle

Returns:

the data type array

getConfiguration

protected ARXConfiguration getConfiguration()

Description copied from class: DataHandle

Returns the ARXConfiguration that is currently being used, null if this is an input handle

Specified by:

getConfiguration in class DataHandle

Returns:

getDistinctValues

protected java.lang.String[] getDistinctValues(int column,
                                               boolean ignoreSuppression,
                                               DataHandleInternal.InterruptHandler handler)

Description copied from class: DataHandle

Returns the distinct values.

Specified by:

getDistinctValues in class DataHandle

Parameters:

column - the column

handler - the handler

Returns:

the distinct values

getInputBuffer

protected org.deidentifier.arx.framework.data.DataMatrix getInputBuffer()

Returns the input buffer

Returns:

getValueIdentifier

protected int getValueIdentifier(int column,
                                 java.lang.String value)

Description copied from class: DataHandle

Returns the internal value identifier

Specified by:

getValueIdentifier in class DataHandle

Returns:

internalGetEncodedValue

protected int internalGetEncodedValue(int row,
                                      int column,
                                      boolean ignoreSuppression)

Description copied from class: DataHandle

Internal representation of get encoded value. Returns -1 for suppressed values.

Specified by:

internalGetEncodedValue in class DataHandle

Parameters:

row - the row

column - the col

Returns:

the value

internalGetValue

protected java.lang.String internalGetValue(int row,
                                            int column,
                                            boolean ignoreSuppression)

Description copied from class: DataHandle

Internal representation of get value.

Specified by:

internalGetValue in class DataHandle

Parameters:

row - the row

column - the col

Returns:

the string

internalIsOutlier

protected boolean internalIsOutlier(int row)

Returns whether the given row is an outlier.

Parameters:

row -

Returns:

internalIsOutlier

protected boolean internalIsOutlier(int row,
                                    int[] columns)

Description copied from class: DataHandle

Returns whether this is an outlier regarding the given columns. If no columns have been specified, true will be returned.

Specified by:

internalIsOutlier in class DataHandle

Returns:

internalReplace

protected boolean internalReplace(int column,
                                  java.lang.String original,
                                  java.lang.String replacement)

Description copied from class: DataHandle

Internal replacement method.

Specified by:

internalReplace in class DataHandle

Parameters:

column - the column

original - the original

replacement - the replacement

Returns:

true, if successful

internalSwap

protected void internalSwap(int row1,
                            int row2)

Swaps the rows.

Parameters:

row1 -

row2 -

isLocked

protected boolean isLocked()

Is this handle locked?.

Returns:

setDefinition

protected void setDefinition(DataDefinition definition)

Overrides the handles data definition.

Parameters:

definition -

setLocked

protected void setLocked(boolean locked)

Lock/unlock this handle.

Parameters:

locked -

update

protected void update(Data data)

Update the definition.

Parameters:

data -

update

protected void update(org.deidentifier.arx.framework.data.DataMatrix dataGeneralized,
                      org.deidentifier.arx.framework.data.DataMatrix dataAnalyzed)

Updates the definition with further data to swap.

Parameters:

dataGeneralized -

dataAnalyzed -

matrixIS -