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/*
* Copyright (C) 2015 MongoDB 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/>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the GNU Affero General Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
#pragma once
#include "mongo/base/disallow_copying.h"
#include "mongo/base/string_data.h"
#include "mongo/db/operation_context.h"
namespace mongo {
/**
* If true, Collection should do no validation of writes from this OperationContext.
*
* Note that Decorations are value-constructed so this defaults to false.
*/
extern const OperationContext::Decoration<bool> documentValidationDisabled;
inline StringData bypassDocumentValidationCommandOption() {
return "bypassDocumentValidation";
}
inline bool shouldBypassDocumentValidationForCommand(const BSONObj& cmdObj) {
return cmdObj[bypassDocumentValidationCommandOption()].trueValue();
}
/**
* Disables document validation on a single OperationContext while in scope.
* Resets to original value when leaving scope so they are safe to nest.
*/
class DisableDocumentValidation {
MONGO_DISALLOW_COPYING(DisableDocumentValidation);
public:
DisableDocumentValidation(OperationContext* opCtx)
: _opCtx(opCtx), _initialState(documentValidationDisabled(_opCtx)) {
documentValidationDisabled(_opCtx) = true;
}
~DisableDocumentValidation() {
documentValidationDisabled(_opCtx) = _initialState;
}
private:
OperationContext* const _opCtx;
const bool _initialState;
};
/**
* Disables document validation while in scope if the constructor is passed true.
*/
class DisableDocumentValidationIfTrue {
public:
DisableDocumentValidationIfTrue(OperationContext* opCtx, bool shouldDisableValidation) {
if (shouldDisableValidation)
_documentValidationDisabler.emplace(opCtx);
}
private:
boost::optional<DisableDocumentValidation> _documentValidationDisabler;
};
}
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