mirror of https://gitee.com/bigwinds/arangodb
189 lines
7.3 KiB
C++
189 lines
7.3 KiB
C++
////////////////////////////////////////////////////////////////////////////////
|
|
/// @brief V8 transaction context
|
|
///
|
|
/// @file
|
|
///
|
|
/// DISCLAIMER
|
|
///
|
|
/// Copyright 2014 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
|
|
/// @author Copyright 2014, ArangoDB GmbH, Cologne, Germany
|
|
/// @author Copyright 2011-2013, triAGENS GmbH, Cologne, Germany
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
#ifndef ARANGODB_UTILS_V8TRANSACTION_CONTEXT_H
|
|
#define ARANGODB_UTILS_V8TRANSACTION_CONTEXT_H 1
|
|
|
|
#include "Basics/Common.h"
|
|
|
|
#include "Utils/TransactionContext.h"
|
|
|
|
struct TRI_transaction_s;
|
|
|
|
namespace triagens {
|
|
namespace arango {
|
|
|
|
class V8TransactionContext final : public TransactionContext {
|
|
|
|
// -----------------------------------------------------------------------------
|
|
// --SECTION-- class V8TransactionContext
|
|
// -----------------------------------------------------------------------------
|
|
|
|
// -----------------------------------------------------------------------------
|
|
// --SECTION-- constructors and destructors
|
|
// -----------------------------------------------------------------------------
|
|
|
|
public:
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// @brief create the context
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
explicit V8TransactionContext (bool);
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// @brief destroy the context
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
~V8TransactionContext ();
|
|
|
|
// -----------------------------------------------------------------------------
|
|
// --SECTION-- public functions
|
|
// -----------------------------------------------------------------------------
|
|
|
|
public:
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// @brief return the resolver
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
CollectionNameResolver const* getResolver () const override;
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// @brief get parent transaction (if any)
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
struct TRI_transaction_s* getParentTransaction () const override;
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// @brief register the transaction in the context
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
int registerTransaction (struct TRI_transaction_s* trx) override;
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// @brief unregister the transaction from the context
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
int unregisterTransaction () override;
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// @brief whether or not the transaction is embeddable
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
bool isEmbeddable () const override;
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// @brief make this transaction context a global context
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
void makeGlobal ();
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// @brief delete the resolver from the context
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
void deleteResolver ();
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// @brief whether or not the context contains a resolver
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
inline bool hasResolver () const {
|
|
return _resolver != nullptr;
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// @brief set a resolver in the context
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
inline void setResolver (CollectionNameResolver const* resolver) {
|
|
TRI_ASSERT(_resolver == nullptr);
|
|
TRI_ASSERT(resolver != nullptr);
|
|
_resolver = resolver;
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// @brief check whether the transaction is embedded
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
static bool IsEmbedded ();
|
|
|
|
// -----------------------------------------------------------------------------
|
|
// --SECTION-- private variables
|
|
// -----------------------------------------------------------------------------
|
|
|
|
private:
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// @brief the v8 thread-local "global" transaction context
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
V8TransactionContext* _sharedTransactionContext;
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// @brief the collection name resolver
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
CollectionNameResolver const* _resolver;
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// @brief the currently ongoing transaction
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
struct TRI_transaction_s* _currentTransaction;
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// @brief whether or not we are responsible for the resolver
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
bool _ownResolver;
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
/// @brief whether or not further transactions can be embedded
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
bool const _embeddable;
|
|
|
|
};
|
|
|
|
}
|
|
}
|
|
|
|
#endif
|
|
|
|
// -----------------------------------------------------------------------------
|
|
// --SECTION-- END-OF-FILE
|
|
// -----------------------------------------------------------------------------
|
|
|
|
// Local Variables:
|
|
// mode: outline-minor
|
|
// outline-regexp: "/// @brief\\|/// {@inheritDoc}\\|/// @page\\|// --SECTION--\\|/// @\\}"
|
|
// End:
|