001/**
002 * Copyright (c) 2015-2022, Michael Yang 杨福海 (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 io.jboot.core.weight;
017
018
019import java.util.List;
020
021/**
022 * @author michael yang
023 */
024public class WeightUtil {
025
026    public static void sort(List<?> list) {
027        if (list == null || list.isEmpty()) {
028            return;
029        }
030        list.sort((o1, o2) -> {
031            Weight sort1 = o1.getClass().getAnnotation(Weight.class);
032            Weight sort2 = o2.getClass().getAnnotation(Weight.class);
033            int value1 = sort1 == null ? 0 : sort1.value();
034            int value2 = sort2 == null ? 0 : sort2.value();
035            return value1 - value2;
036        });
037    }
038}