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