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arangodb/arangod/Utils/DatabaseGuard.cpp

59 lines
2.0 KiB
C++

////////////////////////////////////////////////////////////////////////////////
/// DISCLAIMER
///
/// Copyright 2014-2017 ArangoDB GmbH, Cologne, Germany
/// Copyright 2004-2014 triAGENS GmbH, Cologne, Germany
///
/// Licensed under the Apache License, Version 2.0 (the "License");
/// you may not use this file except in compliance with the License.
/// You may obtain a copy of the License at
///
/// http://www.apache.org/licenses/LICENSE-2.0
///
/// Unless required by applicable law or agreed to in writing, software
/// distributed under the License is distributed on an "AS IS" BASIS,
/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
/// See the License for the specific language governing permissions and
/// limitations under the License.
///
/// Copyright holder is ArangoDB GmbH, Cologne, Germany
///
/// @author Jan Steemann
////////////////////////////////////////////////////////////////////////////////
#include "DatabaseGuard.h"
#include "ApplicationFeatures/ApplicationServer.h"
#include "Basics/Exceptions.h"
#include "RestServer/DatabaseFeature.h"
#include "RestServer/FeatureCacheFeature.h"
using namespace arangodb;
/// @brief create the guard, using a database id
DatabaseGuard::DatabaseGuard(TRI_voc_tick_t id) : _vocbase(nullptr) {
auto databaseFeature = FeatureCacheFeature::instance()->databaseFeature();
_vocbase = databaseFeature->useDatabase(id);
if (_vocbase == nullptr) {
THROW_ARANGO_EXCEPTION(TRI_ERROR_ARANGO_DATABASE_NOT_FOUND);
}
TRI_ASSERT(!_vocbase->isDangling());
}
/// @brief create the guard, using a database name
DatabaseGuard::DatabaseGuard(std::string const& name) : _vocbase(nullptr) {
auto databaseFeature = FeatureCacheFeature::instance()->databaseFeature();
_vocbase = databaseFeature->useDatabase(name);
if (_vocbase == nullptr) {
THROW_ARANGO_EXCEPTION(TRI_ERROR_ARANGO_DATABASE_NOT_FOUND);
}
TRI_ASSERT(!_vocbase->isDangling());
}
DatabaseGuard::DatabaseGuard(DatabaseGuard&& other) : _vocbase(other._vocbase) {
other._vocbase = nullptr;
}