edu.internet2.middleware.grouper.filter
Class NullFilter

java.lang.Object
  edu.internet2.middleware.grouper.filter.BaseQueryFilter
      edu.internet2.middleware.grouper.filter.NullFilter

All Implemented Interfaces:

QueryFilter

public class NullFilter
extends BaseQueryFilter

Null QueryFilter that will never return any results.

Version:

$Id: NullFilter.java,v 1.2 2008-07-21 05:32:20 mchyzer Exp $

Author:

blair christensen.

Constructor Summary

NullFilter()

Method Summary

java.util.Set

getResults(GrouperSession s) Get filter results.

Methods inherited from class edu.internet2.middleware.grouper.filter.BaseQueryFilter

filterByScope

Methods inherited from class java.lang.Object

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

Constructor Detail

NullFilter

public NullFilter()

Method Detail

getResults

public java.util.Set getResults(GrouperSession s)

Description copied from class: BaseQueryFilter

Get filter results.

Specified by:

getResults in interface QueryFilter

Overrides:

getResults in class BaseQueryFilter

Parameters:

s - Get groups within this session context.

Returns:

Objects that match filter constraints.