Package org.dellroad.stuff.validation

Class DefaultUniquifier

java.lang.Object

org.dellroad.stuff.validation.DefaultUniquifier

All Implemented Interfaces:

Uniquifier<Object>

public class DefaultUniquifier
extends Object
implements Uniquifier<Object>

Default uniquifier for @Unique constraints.

This class assumes all non-null values are already uniquified and so just returns its argument from getUniqued(java.lang.Object).

Constructor Summary

Constructors

Constructor	Description
DefaultUniquifier()

Method Summary

Modifier and Type	Method	Description
Object	getUniqued(Object value)	Uniquify value.

Methods inherited from class java.lang.Object

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

Constructor Details

DefaultUniquifier

public DefaultUniquifier()

Method Details

getUniqued

public Object getUniqued(Object value)

Uniquify value.

The implementation in DefaultUniquifier just returns value.

Specified by:

getUniqued in interface Uniquifier<Object>

Parameters:

value - the value to be uniquified

Returns:

unique representative, or null to except value from the uniqueness requirement