/* * Copyright 2010 BetaSteward_at_googlemail.com. All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, are * permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, this list of * conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright notice, this list * of conditions and the following disclaimer in the documentation and/or other materials * provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY BetaSteward_at_googlemail.com ``AS IS'' AND ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL BetaSteward_at_googlemail.com OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * The views and conclusions contained in the software and documentation are those of the * authors and should not be interpreted as representing official policies, either expressed * or implied, of BetaSteward_at_googlemail.com. */ package mage.filter.predicate; import java.io.Serializable; import mage.game.Game; /** * Determines a true or false value for a given input. * * @author North * @param <T> */ @FunctionalInterface public interface Predicate <T> extends Serializable { /** * Returns the result of applying this predicate to {@code input}. This method is <i>generally * expected</i>, but not absolutely required, to have the following properties: * * <ul> * <li>Its execution does not cause any observable side effects.</li> * <li>The computation is <i>consistent with equals</i>; that is, {@link Objects#equal * Objects.equal}{@code (a, b)} implies that {@code predicate.apply(a) == * predicate.apply(b)}.</li> * </ul> * * @param input * @param game * @return * @throws NullPointerException if {@code input} is null and this predicate does not accept null * arguments */ boolean apply(T input, Game game); }