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 */
016
017package com.mybatisflex.annotation;
018
019/**
020 * 监听器接口。
021 *
022 * @author snow
023 * @since 2023/4/28
024 */
025public interface Listener extends Comparable<Listener> {
026
027    /**
028     * <p>多个监听器时的执行顺序。
029     *
030     * <p>值越小越早触发执行。
031     *
032     * @return order
033     */
034    default int order() {
035        return Integer.MAX_VALUE;
036    }
037
038    @Override
039    default int compareTo(Listener other) {
040        return order() - other.order();
041    }
042
043}