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/**
* Copyright (C) 2013 10gen Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include "mongo/db/ops/modifier_interface.h"
namespace mongo {
namespace modifiertable {
enum ModifierType {
MOD_ADD_TO_SET,
MOD_BIT,
MOD_INC,
MOD_MUL,
MOD_POP,
MOD_PULL,
MOD_PULL_ALL,
MOD_PUSH,
MOD_PUSH_ALL,
MOD_SET,
MOD_SET_ON_INSERT,
MOD_RENAME,
MOD_UNSET,
MOD_UNKNOWN
};
/**
* Returns the modifier type for 'typeStr', if it was recognized as an existing update
* mod, or MOD_UNKNOWN otherwise.
*/
ModifierType getType(const StringData& typeStr);
/**
* Instantiate an update mod that corresponds to 'modType' or NULL if 'modType' is not
* valid. The ownership of the new object is the caller's.
*/
ModifierInterface* makeUpdateMod(ModifierType modType);
} // namespace modifiertable
} // namespace mongo
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