Package org.deidentifier.arx

Klasse DataHandleOutput

java.lang.Object

org.deidentifier.arx.DataHandle

org.deidentifier.arx.DataHandleOutput

public class DataHandleOutput
extends DataHandle

An implementation of the class DataHandle for output data.

Feldübersicht

Von Klasse geerbte Felder org.deidentifier.arx.DataHandle

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

Konstruktorübersicht

Konstruktoren

Modifizierer	Konstruktor	Beschreibung
protected	DataHandleOutput(ARXResult result, org.deidentifier.arx.DataRegistry registry, DataManager manager, InputStream stream, ARXLattice.ARXNode node, DataDefinition definition, ARXConfiguration config)	Instantiates a new handle.
protected	DataHandleOutput(ARXResult result, org.deidentifier.arx.DataRegistry registry, DataManager manager, Data outputGeneralized, Data outputMicroaggregated, ARXLattice.ARXNode node, DataDefinition definition, ARXConfiguration config)	Instantiates a new handle.

Methodenübersicht

Modifizierer und Typ	Methode	Beschreibung
protected void	doRelease()	Releases all resources.
String	getAttributeName(int col)	Returns the name of the specified column.
protected DataType<?>[]	getColumnToDataType()	Creates the data type array.
protected boolean[]	getColumnToSuppressionStatus(ARXConfiguration config, DataDefinition definition)	Returns the suppression status for each attribute
protected ARXConfiguration	getConfiguration()	Returns the ARXConfiguration that is currently being used, null if this is an input handle
DataType<?>	getDataType(String attribute)	Returns the according data type.
protected String[]	getDistinctValues(int col, boolean ignoreSuppression, DataHandleInternal.InterruptHandler handler)	Gets the distinct values.
int	getGeneralization(String attribute)	Returns the generalization level for the attribute.
protected 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.
protected Data	getOutputBufferGeneralized()	Returns the output buffer
protected Data	getOutputBufferMicroaggregated()	Returns the output buffer
StatisticsBuilder	getStatistics()	Returns an object providing access to basic descriptive statistics about the data represented by this handle.
String	getValue(int row, int col)	Returns the value in the specified cell.
protected int	getValueIdentifier(int column, String value)	Returns the internal value identifier
protected int	internalCompare(int row1, int row2, int[] columns, boolean ascending)	A negative integer, zero, or a positive integer as the first argument is less than, equal to, or greater than the second.
protected int	internalGetEncodedValue(int row, int col, boolean ignoreSuppression)	Internal representation of get encoded value.
protected String	internalGetValue(int row, int col, boolean ignoreSuppression)	Gets the value internal.
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, String original, String replacement)	Internal replacement method.
protected void	internalSwap(int row1, int row2)	Swap internal.
protected boolean	isAnonymous()	Returns whether the data represented by this handle is anonymous
boolean	isOptimized()	Has this handle been optimized with local recoding?
Iterator<String[]>	iterator()	Returns an iterator over the data.
boolean	replace(int column, String original, String replacement)	Replaces the original value with the replacement in the given column.
protected void	setOptimized(boolean optimized)	Marks this handle as optimized
Iterator<String[]>	shuffledIterator()	Returns an iterator over the data in a random order.
protected void	updateDataTypes(int[] transformation)	Used to update data types after local recoding
void	write(OutputStream out)	Internal method: writes some data into the output stream

Von Klasse geerbte Methoden org.deidentifier.arx.DataHandle

checkColumn, checkColumns, checkReleased, checkRow, getBaseDataType, getColumnIndexOf, 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, isOutlier, isReleased, isSuppressed, release, render, save, save, save, save, save, save, save, save, save, setHeader, setRegistry, setView, sort, sort, sort, sort, swap

Von Klasse geerbte Methoden java.lang.Object

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

Konstruktordetails

DataHandleOutput

protected DataHandleOutput(ARXResult result,
 org.deidentifier.arx.DataRegistry registry,
 DataManager manager,
 Data outputGeneralized,
 Data outputMicroaggregated,
 ARXLattice.ARXNode node,
 DataDefinition definition,
 ARXConfiguration config)

Instantiates a new handle.

Parameter:

result -

registry -

manager -

outputGeneralized -

outputMicroaggregated -

node -

definition -

config -

DataHandleOutput

protected DataHandleOutput(ARXResult result,
 org.deidentifier.arx.DataRegistry registry,
 DataManager manager,
 InputStream stream,
 ARXLattice.ARXNode node,
 DataDefinition definition,
 ARXConfiguration config)
                    throws ClassNotFoundException,
IOException

Instantiates a new handle.

Parameter:

result -

registry -

manager -

stream -

node -

definition -

config -

Löst aus:

IOException

ClassNotFoundException

Methodendetails

getAttributeName

public String getAttributeName(int col)

Beschreibung aus Klasse kopiert: DataHandle

Returns the name of the specified column.

Angegeben von:

getAttributeName in Klasse DataHandle

Parameter:

col - The column index

Gibt zurück:

the attribute name

getDataType

public DataType<?> getDataType(String attribute)

Beschreibung aus Klasse kopiert: DataHandle

Returns the according data type.

Setzt außer Kraft:

getDataType in Klasse DataHandle

Parameter:

attribute - the attribute

Gibt zurück:

the data type

getGeneralization

public int getGeneralization(String attribute)

Beschreibung aus Klasse kopiert: DataHandle

Returns the generalization level for the attribute.

Angegeben von:

getGeneralization in Klasse DataHandle

Parameter:

attribute - the attribute

Gibt zurück:

the generalization

getNumColumns

public int getNumColumns()

Beschreibung aus Klasse kopiert: DataHandle

Returns the number of columns in the dataset.

Angegeben von:

getNumColumns in Klasse DataHandle

Gibt zurück:

the num columns

getNumRows

public int getNumRows()

Beschreibung aus Klasse kopiert: DataHandle

Returns the number of rows in the dataset.

Angegeben von:

getNumRows in Klasse DataHandle

Gibt zurück:

the num rows

getStatistics

public StatisticsBuilder getStatistics()

Beschreibung aus Klasse kopiert: DataHandle

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

Angegeben von:

getStatistics in Klasse DataHandle

Gibt zurück:

the statistics

getValue

public String getValue(int row,
 int col)

Beschreibung aus Klasse kopiert: DataHandle

Returns the value in the specified cell.

Angegeben von:

getValue in Klasse DataHandle

Parameter:

row - The cell's row index

col - The cell's column index

Gibt zurück:

the value

isOptimized

public boolean isOptimized()

Beschreibung aus Klasse kopiert: DataHandle

Has this handle been optimized with local recoding?

Setzt außer Kraft:

isOptimized in Klasse DataHandle

Gibt zurück:

iterator

public Iterator<String[]> iterator()

Beschreibung aus Klasse kopiert: DataHandle

Returns an iterator over the data.

Angegeben von:

iterator in Klasse DataHandle

Gibt zurück:

the iterator

replace

public boolean replace(int column,
 String original,
 String replacement)

Beschreibung aus Klasse kopiert: DataHandle

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

Setzt außer Kraft:

replace in Klasse DataHandle

Parameter:

column - the column

original - the original

replacement - the replacement

Gibt zurück:

Whether the original value was found

shuffledIterator

public Iterator<String[]> shuffledIterator()

Beschreibung aus Klasse kopiert: DataHandle

Returns an iterator over the data in a random order.

Angegeben von:

shuffledIterator in Klasse DataHandle

Gibt zurück:

the iterator

write

public void write(OutputStream out)
           throws IOException

Internal method: writes some data into the output stream

Parameter:

out -

Löst aus:

IOException

doRelease

protected void doRelease()

Releases all resources.

Angegeben von:

doRelease in Klasse DataHandle

getColumnToDataType

protected DataType<?>[] getColumnToDataType()

Creates the data type array.

Angegeben von:

getColumnToDataType in Klasse DataHandle

Gibt zurück:

getColumnToSuppressionStatus

protected boolean[] getColumnToSuppressionStatus(ARXConfiguration config,
 DataDefinition definition)

Returns the suppression status for each attribute

Parameter:

config -

definition -

Gibt zurück:

getConfiguration

protected ARXConfiguration getConfiguration()

Beschreibung aus Klasse kopiert: DataHandle

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

Angegeben von:

getConfiguration in Klasse DataHandle

Gibt zurück:

getDistinctValues

protected String[] getDistinctValues(int col,
 boolean ignoreSuppression,
 DataHandleInternal.InterruptHandler handler)

Gets the distinct values.

Angegeben von:

getDistinctValues in Klasse DataHandle

Parameter:

col - the column

ignoreSuppression -

handler -

Gibt zurück:

the distinct values

getInputBuffer

protected DataMatrix getInputBuffer()

Returns the input buffer

Gibt zurück:

getOutputBufferGeneralized

protected Data getOutputBufferGeneralized()

Returns the output buffer

Gibt zurück:

getOutputBufferMicroaggregated

protected Data getOutputBufferMicroaggregated()

Returns the output buffer

Gibt zurück:

getValueIdentifier

protected int getValueIdentifier(int column,
 String value)

Beschreibung aus Klasse kopiert: DataHandle

Returns the internal value identifier

Angegeben von:

getValueIdentifier in Klasse DataHandle

Parameter:

column -

value -

Gibt zurück:

internalCompare

protected int internalCompare(int row1,
 int row2,
 int[] columns,
 boolean ascending)

A negative integer, zero, or a positive integer as the first argument is less than, equal to, or greater than the second. It uses the specified data types for comparison if no generalization was applied, otherwise it uses string comparison.

Setzt außer Kraft:

internalCompare in Klasse DataHandle

Parameter:

row1 -

row2 -

columns -

ascending -

Gibt zurück:

the int

internalGetEncodedValue

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

Beschreibung aus Klasse kopiert: DataHandle

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

Angegeben von:

internalGetEncodedValue in Klasse DataHandle

Parameter:

row - the row

col - the col

Gibt zurück:

the value

internalGetValue

protected String internalGetValue(int row,
 int col,
 boolean ignoreSuppression)

Gets the value internal.

Angegeben von:

internalGetValue in Klasse DataHandle

Parameter:

row - the row

col - the col

Gibt zurück:

the value internal

internalIsOutlier

protected boolean internalIsOutlier(int row)

Returns whether the given row is an outlier.

Parameter:

row -

Gibt zurück:

internalIsOutlier

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

Beschreibung aus Klasse kopiert: DataHandle

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

Angegeben von:

internalIsOutlier in Klasse DataHandle

Parameter:

row -

columns -

Gibt zurück:

internalReplace

protected boolean internalReplace(int column,
 String original,
 String replacement)

Beschreibung aus Klasse kopiert: DataHandle

Internal replacement method.

Angegeben von:

internalReplace in Klasse DataHandle

Parameter:

column - the column

original - the original

replacement - the replacement

Gibt zurück:

true, if successful

internalSwap

protected void internalSwap(int row1,
 int row2)

Swap internal.

Parameter:

row1 - the row1

row2 - the row2

isAnonymous

protected boolean isAnonymous()

Beschreibung aus Klasse kopiert: DataHandle

Returns whether the data represented by this handle is anonymous

Setzt außer Kraft:

isAnonymous in Klasse DataHandle

Gibt zurück:

setOptimized

protected void setOptimized(boolean optimized)

Marks this handle as optimized

Parameter:

optimized -

updateDataTypes

protected void updateDataTypes(int[] transformation)

Used to update data types after local recoding

Parameter:

transformation -