org.apache.commons.functor
Interface UnaryPredicate<A>

All Superinterfaces:

Functor, UnaryFunctor<A>

All Known Implementing Classes:

CompositeUnaryPredicate, ConditionalUnaryPredicate, Constant, Identity, IsEmpty, IsNotNull, IsNull, IsWithinRange, LeftBoundPredicate, Limit, Offset, PredicateUnaryPredicate, RightBoundPredicate, UnaryAnd, UnaryFunctionUnaryPredicate, UnaryNot, UnaryOr

public interface UnaryPredicate<A>
extends UnaryFunctor<A>

A functor that takes one argument and returns a boolean value.

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

Since:

1.0

Version:

$Revision: 665761 $ $Date: 2008-06-09 11:50:56 -0500 (Mon, 09 Jun 2008) $

Author:

Rodney Waldhoff

Method Summary

boolean

test(A obj) Evaluate this predicate.

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

equals, hashCode, toString

Method Detail

test

boolean test(A obj)

Evaluate this predicate.

Parameters:

obj - the A object to test

Returns:

the result of this test