ch.brickwork.bsetl.sanitize

Class CorrelatedColumnsSanitizer

java.lang.Object

ch.brickwork.bsetl.sanitize.CorrelatedColumnsSanitizer

All Implemented Interfaces:

ValueSanitizer

Direct Known Subclasses:

PersonSanitizer

public class CorrelatedColumnsSanitizer
extends Object
implements ValueSanitizer

ValueSanitizer for 1..n columns where values must be built consistently accross within a row context

Constructor Summary

Constructors

Constructor and Description
CorrelatedColumnsSanitizer(String[][] components, Function<Object[],Object> defaultValueBuilder) { { "elvis", "chuck" }, // component 1 { "norris", "presely" }, // component 2 { "mymail.com", "music.com" }, // component 3 ...

Method Summary

Modifier and Type	Method and Description
void	addColumn(String columnName, Function<Object[],Object> valueBuilder) add a column, along with a rule how to build its value, given random components.
Object	sanitize(Object originalValue, String rowId, String propertyName) sanitizes an originalValue, which is potentially sensitive, to a sanitized version, which is not sensitive

Methods inherited from class java.lang.Object

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

Constructor Detail

CorrelatedColumnsSanitizer

public CorrelatedColumnsSanitizer(String[][] components,
                                  Function<Object[],Object> defaultValueBuilder)

   {
     { "elvis", "chuck" },            // component 1
     { "norris", "presely" },         // component 2
     { "mymail.com", "music.com" },   // component 3
     ...
   }
 

Parameters:

components - array of component arrays

defaultValueBuilder - result builder function for columns not specifically added via addColumn, can be null

Method Detail

addColumn

public void addColumn(String columnName,
                      Function<Object[],Object> valueBuilder)

add a column, along with a rule how to build its value, given random components. for example, if components are firstname, lastname and mail domain, a column addition could read

   // chuck.norris@mymail.com, elvis.presley@music.com, ...
   myCorrelatatedColSan.addColumn("email", c -> c[0] + "." + c[1] + "@" + c[2]
 

Parameters:

columnName - column name

valueBuilder - function to build the column value given n random components; use null for default whitespace-separated concatenation

sanitize

public Object sanitize(Object originalValue,
                       String rowId,
                       String propertyName)

Description copied from interface: ValueSanitizer

sanitizes an originalValue, which is potentially sensitive, to a sanitized version, which is not sensitive

Specified by:

sanitize in interface ValueSanitizer

Parameters:

originalValue - original value, which may be sensitive

rowId - if available, unique id identifying the row on which this value sits

propertyName - name of the property

Returns:

result, built according valueBuilder for this property (cf. addColumn), or using default value builder (if available), or simply concatenating whitespace separated as a default