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/**
* Copyright (C) 2018-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/s/type_shard_collection.h"
namespace mongo {
ShardCollectionType::ShardCollectionType(
NamespaceString nss, OID epoch, UUID uuid, KeyPattern keyPattern, bool unique)
: ShardCollectionTypeBase(
std::move(nss), std::move(epoch), std::move(uuid), std::move(keyPattern), unique) {}
ShardCollectionType::ShardCollectionType(const BSONObj& obj) {
ShardCollectionTypeBase::parseProtected(IDLParserErrorContext("ShardCollectionType"), obj);
uassert(ErrorCodes::ShardKeyNotFound,
str::stream() << "Empty shard key. Failed to parse: " << obj.toString(),
!getKeyPattern().toBSON().isEmpty());
// Last refreshed collection version is stored as a timestamp in the BSON representation of
// shard collection type for legacy reasons. We therefore explicitly convert this timestamp, if
// it exists, into a chunk version.
if (getLastRefreshedCollectionVersion()) {
ChunkVersion version = *getLastRefreshedCollectionVersion();
setLastRefreshedCollectionVersion(
ChunkVersion(version.majorVersion(), version.minorVersion(), getEpoch()));
}
}
BSONObj ShardCollectionType::toBSON() const {
BSONObj obj = ShardCollectionTypeBase::toBSON();
// Default collation is not included in the BSON representation of shard collection type, and
// thus persisted to disk, if it is empty. We therefore explicitly remove default collation from
// obj, if it is empty.
if (getDefaultCollation().isEmpty()) {
obj = obj.removeField(kDefaultCollationFieldName);
}
return obj;
}
void ShardCollectionType::setAllowMigrations(bool allowMigrations) {
if (allowMigrations)
setPre50CompatibleAllowMigrations(boost::none);
else
setPre50CompatibleAllowMigrations(false);
}
} // namespace mongo
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