001/*
002 * Configurate
003 * Copyright (C) zml and Configurate contributors
004 *
005 * Licensed under the Apache License, Version 2.0 (the "License");
006 * you may not use this file except in compliance with the License.
007 * You may obtain a copy of the License at
008 *
009 *    http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package ninja.leaping.configurate.util;
018
019import org.checkerframework.checker.nullness.qual.NonNull;
020
021import java.util.concurrent.ConcurrentMap;
022
023/**
024 * A factory which creates {@link ConcurrentMap} instances.
025 */
026@FunctionalInterface
027public interface MapFactory {
028
029    /**
030     * Create a new map instance for the given types
031     *
032     * @param <K> The key
033     * @param <V> The value
034     * @return A new map instance
035     */
036    @NonNull
037    <K, V> ConcurrentMap<K, V> create();
038
039}