org.springframework.rules.constraint
Class InGroup

java.lang.Object
  org.springframework.rules.constraint.InGroup

All Implemented Interfaces:

Constraint

public class InGroup
extends Object
implements Constraint

A constraint that tests if an argument is one of a group. Similiar to a database's 'in' operator, and more convenient than using a bunch of ORs.

Author:

Keith Donald

Constructor Summary

InGroup(Object[] group)

InGroup(Set group)

Method Summary

Iterator	iterator() returns an iterator of the group elements
boolean	test(Object value) Tests the variable argument value is in this group.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

InGroup

public InGroup(Set group)

InGroup

public InGroup(Object[] group)

Method Detail

iterator

public Iterator iterator()

returns an iterator of the group elements

Returns:

iterator containing the elements of the group.

test

public boolean test(Object value)

Tests the variable argument value is in this group.

Specified by:

test in interface Constraint

Parameters:

value - the argument value

Returns:

true if the condition was satisfied, false otherwise

See Also:

Constraint.test(java.lang.Object)

toString

public String toString()

Overrides:

toString in class Object