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