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/**
* Copyright (C) 2021-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* 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
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* 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 Server Side 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.
*/
#include "mongo/platform/basic.h"
#include "mongo/db/update/object_transform_executor.h"
#include "mongo/db/update/object_replace_executor.h"
#include "mongo/db/update/storage_validation.h"
#include "mongo/db/update/update_oplog_entry_serialization.h"
namespace mongo {
ObjectTransformExecutor::ObjectTransformExecutor(TransformFunc transformFunc)
: _transformFunc(std::move(transformFunc)) {}
UpdateExecutor::ApplyResult ObjectTransformExecutor::applyTransformUpdate(
ApplyParams applyParams, const TransformFunc& transformFunc) {
auto originalDoc = applyParams.element.getDocument().getObject();
auto transformedDoc = transformFunc(originalDoc);
if (!transformedDoc) {
return ApplyResult::noopResult();
}
return ObjectReplaceExecutor::applyReplacementUpdate(
std::move(applyParams),
*transformedDoc,
true /* replacementDocContainsIdField */,
true /* allowTopLevelDollarPrefixedFields */);
}
UpdateExecutor::ApplyResult ObjectTransformExecutor::applyUpdate(ApplyParams applyParams) const {
auto ret = applyTransformUpdate(applyParams, _transformFunc);
if (!ret.noop && applyParams.logMode != ApplyParams::LogMode::kDoNotGenerateOplogEntry) {
// Using a full replacement oplog entry as the current use case is doing major changes.
// Consider supporting v:2 update in the future.
ret.oplogEntry = update_oplog_entry::makeReplacementOplogEntry(
applyParams.element.getDocument().getObject());
}
return ret;
}
Value ObjectTransformExecutor::serialize() const {
MONGO_UNREACHABLE_TASSERT(5857810);
}
} // namespace mongo
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