1
0
Fork 0
arangodb/arangod/Pregel/InMessageCache.h

58 lines
1.6 KiB
C++
Executable File

////////////////////////////////////////////////////////////////////////////////
/// DISCLAIMER
///
/// Copyright 2016 ArangoDB 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 Simon Grätzer
////////////////////////////////////////////////////////////////////////////////
#ifndef ARANGODB_IN_MESSAGE_CACHE_H
#define ARANGODB_IN_MESSAGE_CACHE_H 1
#include <string>
#include <velocypack/vpack.h>
#include <velocypack/velocypack-aliases.h>
#include "Basics/Common.h"
#include "Basics/Mutex.h"
#include "Cluster/ClusterInfo.h"
namespace arangodb {
//class Mutex;
namespace pregel {
/* In the longer run, maybe write optimized implementations for certain use cases. For example threaded
processing */
class InMessageCache {
public:
InMessageCache() {}
~InMessageCache();
void addMessages(VPackArrayIterator messages);
VPackSlice getMessages(ShardID const& shardId);
void clean();
private:
std::unordered_map<std::string, VPackBuilder*> _messages;
Mutex writeMutex;
};
}}
#endif