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.query;
017
018import java.util.Objects;
019import java.util.function.Predicate;
020
021/**
022 * 默认 {@link QueryColumn} 行为。
023 *
024 * @author michael
025 * @author 王帅
026 */
027public class QueryColumnBehavior {
028
029    private QueryColumnBehavior() {
030    }
031
032    /**
033     * 自定义全局的自动忽略参数的方法。
034     */
035    private static Predicate<Object> ignoreFunction = Objects::isNull;
036
037    /**
038     * 当 {@code IN(...)} 条件只有 1 个参数时，是否自动把的内容转换为相等。
039     */
040    private static boolean smartConvertInToEquals = false;
041
042    public static Predicate<Object> getIgnoreFunction() {
043        return ignoreFunction;
044    }
045
046    public static void setIgnoreFunction(Predicate<Object> ignoreFunction) {
047        QueryColumnBehavior.ignoreFunction = ignoreFunction;
048    }
049
050    public static boolean isSmartConvertInToEquals() {
051        return smartConvertInToEquals;
052    }
053
054    public static void setSmartConvertInToEquals(boolean smartConvertInToEquals) {
055        QueryColumnBehavior.smartConvertInToEquals = smartConvertInToEquals;
056    }
057
058    static boolean shouldIgnoreValue(Object value) {
059        return ignoreFunction.test(value);
060    }
061
062}