54 lines
1.6 KiB
Java
54 lines
1.6 KiB
Java
/*
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* PlotSquared, a land and world management plugin for Minecraft.
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* Copyright (C) IntellectualSites <https://intellectualsites.com>
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* Copyright (C) IntellectualSites team and contributors
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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 <https://www.gnu.org/licenses/>.
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*/
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package com.plotsquared.core.collection;
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import java.util.Map;
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import java.util.Random;
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import static com.google.common.base.Preconditions.checkNotNull;
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public abstract class RandomCollection<T> {
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protected Random random;
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public RandomCollection(Map<T, Double> weights, Random random) {
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this.random = random;
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}
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public static <T> RandomCollection<T> of(Map<T, Double> weights, Random random) {
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try {
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return new FlatRandomCollection<>(weights, random);
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} catch (IllegalArgumentException ignore) {
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return new SimpleRandomCollection<>(weights, random);
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}
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}
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public Random getRandom() {
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return random;
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}
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public void setRandom(Random random) {
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checkNotNull(random);
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this.random = random;
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}
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public abstract T next();
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}
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