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arangodb/arangod/Utils/StandaloneTransactionContex...

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////////////////////////////////////////////////////////////////////////////////
/// DISCLAIMER
///
/// Copyright 2014-2016 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 "StandaloneTransactionContext.h"
#include "Utils/CollectionNameResolver.h"
#include "VocBase/transaction.h"
using namespace arangodb;
////////////////////////////////////////////////////////////////////////////////
/// @brief create the context
////////////////////////////////////////////////////////////////////////////////
StandaloneTransactionContext::StandaloneTransactionContext(TRI_vocbase_t* vocbase)
: TransactionContext(vocbase) {
}
////////////////////////////////////////////////////////////////////////////////
/// @brief destroy the context
////////////////////////////////////////////////////////////////////////////////
StandaloneTransactionContext::~StandaloneTransactionContext() {
}
////////////////////////////////////////////////////////////////////////////////
/// @brief return the resolver
////////////////////////////////////////////////////////////////////////////////
CollectionNameResolver const* StandaloneTransactionContext::getResolver() {
TRI_ASSERT(_resolver != nullptr);
return _resolver;
}
////////////////////////////////////////////////////////////////////////////////
/// @brief get parent transaction (if any)
////////////////////////////////////////////////////////////////////////////////
TRI_transaction_t* StandaloneTransactionContext::getParentTransaction() const {
return nullptr;
}
////////////////////////////////////////////////////////////////////////////////
/// @brief register the transaction in the context
////////////////////////////////////////////////////////////////////////////////
int StandaloneTransactionContext::registerTransaction(TRI_transaction_t* trx) {
if (_resolver == nullptr) {
createResolver();
}
TRI_ASSERT(_resolver != nullptr);
return TRI_ERROR_NO_ERROR;
}
////////////////////////////////////////////////////////////////////////////////
/// @brief unregister the transaction from the context
////////////////////////////////////////////////////////////////////////////////
void StandaloneTransactionContext::unregisterTransaction() {
// nothing special to do. cleanup will be done by the parent's destructor
}
////////////////////////////////////////////////////////////////////////////////
/// @brief whether or not the transaction is embeddable
////////////////////////////////////////////////////////////////////////////////
bool StandaloneTransactionContext::isEmbeddable() const { return false; }
////////////////////////////////////////////////////////////////////////////////
/// @brief create a context, returned in a shared ptr
////////////////////////////////////////////////////////////////////////////////
std::shared_ptr<StandaloneTransactionContext> StandaloneTransactionContext::Create(TRI_vocbase_t* vocbase) {
return std::make_shared<StandaloneTransactionContext>(vocbase);
}