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/**
* Copyright (C) 2022-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/catalog/derived_metadata_controller.h"
#include "mongo/db/catalog/derived_metadata_collection_controller.h"
#include "mongo/db/catalog/derived_metadata_collection_count.h"
#include "mongo/db/operation_context.h"
namespace mongo {
void DerivedMetadataController::createAndRegister(OperationContext* opCtx,
const Collection* collection,
const BSONObj& writePreImage,
const BSONObj& writePostImage) {
DocumentWriteImages write = {writePreImage, writePostImage};
DerivedMetadataDelta delta = _createDelta(write);
_registerDeltaOnCommit(opCtx, std::move(delta), collection);
}
void DerivedMetadataController::pullAndApplyDeltas(const Collection* collection,
const Timestamp& ts) {
auto& collectionController = DerivedMetadataCollectionController::get(collection);
auto& derivedCount = DerivedMetadataCount::get(collection);
auto deltas = collectionController.fetchDeltasUpTo(ts);
derivedCount.applyDeltas(deltas);
}
DerivedMetadataDelta DerivedMetadataController::_createDelta(const DocumentWriteImages& write) {
DerivedMetadataDelta newDelta;
DerivedMetadataCount::populateDelta(write, &newDelta);
return newDelta;
}
void DerivedMetadataController::_registerDeltaOnCommit(OperationContext* opCtx,
DerivedMetadataDelta delta,
const Collection* collection) {
auto& collectionController = DerivedMetadataCollectionController::get(collection);
Timestamp commitTs;
collectionController.registerDelta(std::move(delta), commitTs);
}
} // namespace mongo
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