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.tenant;
017
018import java.util.function.Supplier;
019
020public class TenantManager {
021
022    private TenantManager() {}
023
024    private static final ThreadLocal<Boolean> ignoreFlags = new ThreadLocal<>();
025
026    private static TenantFactory tenantFactory;
027
028    public static TenantFactory getTenantFactory() {
029        return tenantFactory;
030    }
031
032    public static void setTenantFactory(TenantFactory tenantFactory) {
033        TenantManager.tenantFactory = tenantFactory;
034    }
035
036    /**
037     * 忽略 tenant 条件
038     */
039    public static <T> T withoutTenantCondition(Supplier<T> supplier) {
040        try {
041            ignoreTenantCondition();
042            return supplier.get();
043        } finally {
044            restoreTenantCondition();
045        }
046    }
047
048
049    /**
050     * 忽略 tenant 条件
051     */
052    public static void ignoreTenantCondition() {
053        ignoreFlags.set(Boolean.TRUE);
054    }
055
056
057    /**
058     * 恢复 tenant 条件
059     */
060    public static void restoreTenantCondition() {
061        ignoreFlags.remove();
062    }
063
064
065    public static Object[] getTenantIds() {
066        Boolean ignoreFlag = ignoreFlags.get();
067        if (ignoreFlag != null && ignoreFlag) {
068            return null;
069        }
070        return tenantFactory != null ? tenantFactory.getTenantIds() : null;
071    }
072
073
074}