001/*
002 * PlotSquared, a land and world management plugin for Minecraft.
003 * Copyright (C) IntellectualSites <https://intellectualsites.com>
004 * Copyright (C) IntellectualSites team and contributors
005 *
006 * This program is free software: you can redistribute it and/or modify
007 * it under the terms of the GNU General Public License as published by
008 * the Free Software Foundation, either version 3 of the License, or
009 * (at your option) any later version.
010 *
011 * This program is distributed in the hope that it will be useful,
012 * but WITHOUT ANY WARRANTY; without even the implied warranty of
013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
014 * GNU General Public License for more details.
015 *
016 * You should have received a copy of the GNU General Public License
017 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
018 */
019package com.plotsquared.core.queue.subscriber;
020
021import com.plotsquared.core.queue.ChunkCoordinator;
022import org.checkerframework.checker.nullness.qual.NonNull;
023
024public interface ProgressSubscriber {
025
026    /**
027     * Notify about a progress update in the coordinator
028     *
029     * @param coordinator Coordinator instance that triggered the notification
030     * @param progress    Progress in the range [0, 1]
031     */
032    void notifyProgress(final @NonNull ChunkCoordinator coordinator, final double progress);
033
034    /**
035     * Notify the subscriber that its parent ChunkCoordinator has finished
036     */
037    void notifyEnd();
038
039}