/*
 * WorldEdit, a Minecraft world manipulation toolkit
 * Copyright (C) sk89q <http://www.sk89q.com>
 * Copyright (C) WorldEdit team and contributors
 *
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by the
 * Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
 * for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

package com.sk89q.worldedit.world.registry;

import java.util.Set;

/**
 * A registry of categories. Minecraft internally calls these 'Tags'.
 */
public interface CategoryRegistry<T> {

    /**
     * Gets a set of values with a given category.
     *
     * @param category The category
     * @return A set of values
     */
    Set<T> getCategorisedByName(String category);

    /**
     * Gets a list of categories given to a value.
     *
     * @param categorised The value
     * @return A set of categories
     */
    Set<String> getCategories(T categorised);
}