mirror of https://gitee.com/bigwinds/arangodb
96 lines
3.3 KiB
C++
96 lines
3.3 KiB
C++
////////////////////////////////////////////////////////////////////////////////
|
|
/// 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
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
#ifndef ARANGOD_UTILS_V8_RESOLVER_GUARD_H
|
|
#define ARANGOD_UTILS_V8_RESOLVER_GUARD_H 1
|
|
|
|
#include "Basics/Common.h"
|
|
|
|
#include "Utils/CollectionNameResolver.h"
|
|
#include "Utils/V8TransactionContext.h"
|
|
#include "VocBase/vocbase.h"
|
|
#include "V8/v8-globals.h"
|
|
#include <v8.h>
|
|
|
|
namespace arangodb {
|
|
|
|
class V8ResolverGuard {
|
|
public:
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
/// @brief create the guard
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
|
|
V8ResolverGuard(TRI_vocbase_t* vocbase)
|
|
: _v8g(static_cast<TRI_v8_global_t*>(
|
|
v8::Isolate::GetCurrent()->GetData(V8DataSlot))),
|
|
_ownResolver(false) {
|
|
if (!static_cast<V8TransactionContext*>(_v8g->_transactionContext)
|
|
->hasResolver()) {
|
|
static_cast<V8TransactionContext*>(_v8g->_transactionContext)
|
|
->setResolver(new CollectionNameResolver(vocbase));
|
|
_ownResolver = true;
|
|
}
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
/// @brief destroy the guard
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
|
|
~V8ResolverGuard() {
|
|
if (_ownResolver &&
|
|
static_cast<V8TransactionContext*>(_v8g->_transactionContext)
|
|
->hasResolver()) {
|
|
static_cast<V8TransactionContext*>(_v8g->_transactionContext)
|
|
->deleteResolver();
|
|
}
|
|
}
|
|
|
|
public:
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
/// @brief return the resolver
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
|
|
inline CollectionNameResolver const* getResolver() const {
|
|
TRI_ASSERT(static_cast<V8TransactionContext*>(
|
|
_v8g->_transactionContext)->hasResolver());
|
|
return static_cast<V8TransactionContext*>(_v8g->_transactionContext)
|
|
->getResolver();
|
|
}
|
|
|
|
private:
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
/// @brief v8 global context
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
|
|
TRI_v8_global_t* _v8g;
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
/// @brief whether or not we are responsible for the resolver
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
|
|
bool _ownResolver;
|
|
};
|
|
}
|
|
|
|
#endif
|