1 2 /** 3 * Copyright (C) 2018-present MongoDB, Inc. 4 * 5 * This program is free software: you can redistribute it and/or modify 6 * it under the terms of the Server Side Public License, version 1, 7 * as published by MongoDB, Inc. 8 * 9 * This program is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * Server Side Public License for more details. 13 * 14 * You should have received a copy of the Server Side Public License 15 * along with this program. If not, see 16 * <http://www.mongodb.com/licensing/server-side-public-license>. 17 * 18 * As a special exception, the copyright holders give permission to link the 19 * code of portions of this program with the OpenSSL library under certain 20 * conditions as described in each individual source file and distribute 21 * linked combinations including the program with the OpenSSL library. You 22 * must comply with the Server Side Public License in all respects for 23 * all of the code used other than as permitted herein. If you modify file(s) 24 * with this exception, you may extend this exception to your version of the 25 * file(s), but you are not obligated to do so. If you do not wish to do so, 26 * delete this exception statement from your version. If you delete this 27 * exception statement from all source files in the program, then also delete 28 * it in the license file. 29 */ 30 31 #pragma once 32 33 #include "mongo/db/ops/modifier_interface.h" 34 #include "mongo/db/update/update_leaf_node.h" 35 36 namespace mongo { 37 namespace modifiertable { 38 39 // NOTE: Please update jstests/verify_update_mods.js or include a jstest for any new mods 40 enum ModifierType { 41 MOD_ADD_TO_SET, 42 MOD_BIT, 43 MOD_CURRENTDATE, 44 MOD_INC, 45 MOD_MAX, 46 MOD_MIN, 47 MOD_MUL, 48 MOD_POP, 49 MOD_PULL, 50 MOD_PULL_ALL, 51 MOD_PUSH, 52 MOD_SET, 53 MOD_SET_ON_INSERT, 54 MOD_RENAME, 55 MOD_UNSET, 56 MOD_CONFLICT_PLACEHOLDER, 57 MOD_UNKNOWN 58 }; 59 60 /** 61 * Returns the modifier type for 'typeStr', if it was recognized as an existing update 62 * mod, or MOD_UNKNOWN otherwise. 63 */ 64 ModifierType getType(StringData typeStr); 65 66 /** 67 * Instantiate an update mod that corresponds to 'modType' or NULL if 'modType' is not 68 * valid. The ownership of the new object is the caller's. 69 */ 70 ModifierInterface* makeUpdateMod(ModifierType modType); 71 72 /** 73 * Instantiate an UpdateLeafNode that corresponds to 'modType' or nullptr if 'modType' is not valid. 74 */ 75 std::unique_ptr<UpdateLeafNode> makeUpdateLeafNode(ModifierType modType); 76 77 } // namespace modifiertable 78 } // namespace mongo 79