mirror of
https://github.com/IntellectualSites/PlotSquared.git
synced 2024-09-26 04:03:11 +02:00
91 lines
2.4 KiB
Java
91 lines
2.4 KiB
Java
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/*
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* _____ _ _ _____ _
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* | __ \| | | | / ____| | |
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* | |__) | | ___ | |_| (___ __ _ _ _ __ _ _ __ ___ __| |
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* | ___/| |/ _ \| __|\___ \ / _` | | | |/ _` | '__/ _ \/ _` |
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* | | | | (_) | |_ ____) | (_| | |_| | (_| | | | __/ (_| |
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* |_| |_|\___/ \__|_____/ \__, |\__,_|\__,_|_| \___|\__,_|
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* | |
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* |_|
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* PlotSquared plot management system for Minecraft
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* Copyright (C) 2020 IntellectualSites
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package com.plotsquared.core.util.task;
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/**
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* A task that can be run and cancelled (if repeating)
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*/
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public interface PlotSquaredTask extends Runnable {
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/**
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* Run the task. Don't override this, instead
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* implement {@link #runTask()}
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*/
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@Override default void run() {
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if (isCancelled()) {
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return;
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}
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this.runTask();
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}
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/**
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* Run the task
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*/
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void runTask();
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/**
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* Check if the task has been cancelled
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*
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* @return {@code true} if the tasks is cancelled,
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* {@code false} if not
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*/
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boolean isCancelled();
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/**
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* Cancel the task
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*/
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void cancel();
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/**
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* Get a new {@link NullTask}
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*
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* @return Null task instance
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*/
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static NullTask nullTask() {
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return new NullTask();
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}
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/**
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* Task that does nothing and is always cancelled
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*/
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class NullTask implements PlotSquaredTask {
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@Override public void runTask() {
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}
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@Override public boolean isCancelled() {
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return true;
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}
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@Override public void cancel() {
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}
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}
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}
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