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https://github.com/tiennm99/java-design-patterns.git
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Ilkka Seppälä
932836f68b
* update license plugin * suppress linelength and emptylineseparator rules * fix checkstyle error Co-authored-by: Subhrodip Mohanta <hello@subho.xyz>
96 lines
3.4 KiB
Java
96 lines
3.4 KiB
Java
/*
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* This project is licensed under the MIT license. Module model-view-viewmodel is using ZK framework licensed under LGPL (see lgpl-3.0.txt).
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*
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* The MIT License
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* Copyright © 2014-2022 Ilkka Seppälä
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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package com.iluwatar.lockableobject.domain;
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import com.iluwatar.lockableobject.Lockable;
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import java.security.SecureRandom;
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import lombok.NonNull;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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/** A Feind is a creature that all it wants is to posses a Lockable object. */
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public class Feind implements Runnable {
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private final Creature creature;
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private final Lockable target;
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private final SecureRandom random;
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private static final Logger LOGGER = LoggerFactory.getLogger(Feind.class.getName());
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/**
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* public constructor.
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*
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* @param feind as the creature to lock to he lockable.
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* @param target as the target object.
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*/
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public Feind(@NonNull Creature feind, @NonNull Lockable target) {
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this.creature = feind;
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this.target = target;
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this.random = new SecureRandom();
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}
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@Override
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public void run() {
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if (!creature.acquire(target)) {
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try {
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fightForTheSword(creature, target.getLocker(), target);
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} catch (InterruptedException e) {
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LOGGER.error(e.getMessage());
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Thread.currentThread().interrupt();
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}
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} else {
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LOGGER.info("{} has acquired the sword!", target.getLocker().getName());
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}
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}
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/**
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* Keeps on fighting until the Lockable is possessed.
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*
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* @param reacher as the source creature.
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* @param holder as the foe.
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* @param sword as the Lockable to posses.
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* @throws InterruptedException in case of interruption.
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*/
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private void fightForTheSword(Creature reacher, @NonNull Creature holder, Lockable sword)
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throws InterruptedException {
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LOGGER.info("A duel between {} and {} has been started!", reacher.getName(), holder.getName());
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boolean randBool;
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while (this.target.isLocked() && reacher.isAlive() && holder.isAlive()) {
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randBool = random.nextBoolean();
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if (randBool) {
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reacher.attack(holder);
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} else {
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holder.attack(reacher);
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}
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}
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if (reacher.isAlive()) {
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if (!reacher.acquire(sword)) {
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fightForTheSword(reacher, sword.getLocker(), sword);
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} else {
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LOGGER.info("{} has acquired the sword!", reacher.getName());
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}
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}
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}
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}
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