de.unkrig.commons.lang.protocol

Interface Predicate<T>

Type Parameters:

T - The type of the subject parameter of the PredicateWhichThrows.evaluate(Object) method

All Superinterfaces:

PredicateWhichThrows<T,NoException>

public interface Predicate<T>
extends PredicateWhichThrows<T,NoException>

An entity that tests whether a given "subject" of type T fulfils a particular condition.

Notice: The phrase "the Predicate evaluates to x [ for y ]" is commonly used instead of "PredicateWhichThrows.evaluate(Object) returns x [ when invoked with argument y ]".

IMPORTANT NOTICE:

When using this type in a variable, parameter or field declaration, never write:

Predicate<subject-type>

, but always:

Predicate<? super subject-type>

Method Summary

Methods inherited from interface de.unkrig.commons.lang.protocol.PredicateWhichThrows

evaluate