001/**
002 * Copyright (c) 2022-2023, Mybatis-Flex (fuhai999@gmail.com).
003 * <p>
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 * <p>
008 * http://www.apache.org/licenses/LICENSE-2.0
009 * <p>
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016package com.mybatisflex.core.keygen;
017
018import com.mybatisflex.core.keygen.impl.FlexIDKeyGenerator;
019import com.mybatisflex.core.keygen.impl.UUIDKeyGenerator;
020
021import java.util.HashMap;
022import java.util.Map;
023
024public class KeyGeneratorFactory {
025
026    private static final Map<String, IKeyGenerator> KEY_GENERATOR_MAP = new HashMap<>();
027
028    static {
029        /** 内置了 uuid 的生成器，因此主键配置的时候可以直接配置为 @Id(keyType = KeyType.Generator, value = "uuid")
030         * {@link com.mybatisflex.annotation.Id}
031         */
032        register("uuid", new UUIDKeyGenerator());
033        register("flexId", new FlexIDKeyGenerator());
034    }
035
036
037    /**
038     * 获取 主键生成器
039     *
040     * @param name
041     * @return
042     */
043    public static IKeyGenerator getKeyGenerator(String name) {
044        return KEY_GENERATOR_MAP.get(name.trim());
045    }
046
047
048    /**
049     * 注册一个主键生成器
050     *
051     * @param key
052     * @param keyGenerator
053     */
054    public static void register(String key, IKeyGenerator keyGenerator) {
055        KEY_GENERATOR_MAP.put(key.trim(), keyGenerator);
056    }
057
058}