org.apache.commons.functor
Interface BinaryPredicate<L,R>

All Superinterfaces:

BinaryFunctor<L,R>, Functor

All Known Implementing Classes:

BinaryAnd, BinaryFunctionBinaryPredicate, BinaryNot, BinaryOr, ConditionalBinaryPredicate, Constant, GeneratorContains, IgnoreLeftPredicate, IgnoreRightPredicate, IsElementOf, IsEqual, IsEquivalent, IsGreaterThan, IsGreaterThanOrEqual, IsInstance, IsLessThan, IsLessThanOrEqual, IsNotEqual, IsNotEquivalent, Limit, Offset, TransposedPredicate, UnaryCompositeBinaryPredicate

public interface BinaryPredicate<L,R>
extends BinaryFunctor<L,R>

A functor that takes two arguments 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(L left, R right) Evaluate this predicate.

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

equals, hashCode, toString

Method Detail

test

boolean test(L left,
             R right)

Evaluate this predicate.

Parameters:

left - the L element of the ordered pair of arguments

right - the R element of the ordered pair of arguments

Returns:

the result of this test for the given arguments