org.apache.commons.functor
Interface Predicate

All Superinterfaces:

Functor, NullaryFunctor

All Known Implementing Classes:

And, BoundPredicate, ConditionalPredicate, Constant, FullyBoundPredicate, FunctionPredicate, Limit, Not, Offset, Or

public interface Predicate
extends NullaryFunctor

A functor that takes no arguments and returns a boolean value.

Implementors are encouraged but not required to make their functors Serializable.

Since:

1.0

Version:

$Revision: 647290 $ $Date: 2008-04-11 22:08:44 +0200 (Fri, 11 Apr 2008) $

Author:

Rodney Waldhoff

Method Summary

boolean

test() Evaluate this predicate.

Methods inherited from interface org.apache.commons.functor.Functor

equals, hashCode, toString

Method Detail

test

boolean test()

Evaluate this predicate.

Returns:

the result of this test