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.events.post;
020
021import com.plotsquared.core.events.PlotPlayerEvent;
022import com.plotsquared.core.player.PlotPlayer;
023import com.plotsquared.core.plot.Plot;
024import org.checkerframework.checker.nullness.qual.Nullable;
025
026import java.util.UUID;
027
028/**
029 * Called after the owner of a plot was updated.
030 *
031 * @since 6.2.0
032 */
033public class PostPlotChangeOwnerEvent extends PlotPlayerEvent {
034
035    @Nullable
036    private final UUID oldOwner;
037
038    /**
039     * Instantiate a new PlotChangedOwnerEvent.
040     *
041     * @param initiator The player who executed the owner change.
042     * @param plot      The plot which owner was changed.
043     * @param oldOwner  The previous owner - if present, otherwise {@code null}.
044     */
045    public PostPlotChangeOwnerEvent(final PlotPlayer<?> initiator, final Plot plot, @Nullable UUID oldOwner) {
046        super(initiator, plot);
047        this.oldOwner = oldOwner;
048    }
049
050    /**
051     * @return the old owner of the plot - if present, otherwise {@code null}.
052     */
053    public @Nullable UUID getOldOwner() {
054        return oldOwner;
055    }
056
057    /**
058     * @return {@code true} if the plot had an owner, {@code false} otherwise.
059     * @see #getOldOwner()
060     */
061    public boolean hasOldOwner() {
062        return getOldOwner() != null;
063    }
064
065    /**
066     * @return {@code true} if the plot now has an owner, {@code false} otherwise.
067     * @see Plot#hasOwner()
068     */
069    public boolean hasNewOwner() {
070        return getPlot().hasOwner();
071    }
072
073}