mirror of https://gitee.com/bigwinds/arangodb
64 lines
1.9 KiB
C++
Executable File
64 lines
1.9 KiB
C++
Executable File
////////////////////////////////////////////////////////////////////////////////
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/// DISCLAIMER
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///
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/// Copyright 2016 ArangoDB 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 Simon Grätzer
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////////////////////////////////////////////////////////////////////////////////
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#ifndef ARANGODB_OUT_MESSAGE_CACHE_H
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#define ARANGODB_OUT_MESSAGE_CACHE_H 1
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#include <string>
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#include <velocypack/vpack.h>
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#include <velocypack/velocypack-aliases.h>
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#include "Basics/Common.h"
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#include "Basics/Mutex.h"
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#include "Cluster/ClusterInfo.h"
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namespace arangodb {
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namespace pregel {
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/* In the longer run, maybe write optimized implementations for certain use cases. For example threaded
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processing */
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class OutMessageCache {
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public:
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OutMessageCache(CollectionID &vertexCollection, std::string baseUrl);
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~OutMessageCache();
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void addMessage(std::string key, VPackSlice slice);
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//void addMessages(VPackArrayIterator messages);
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void getMessages(ShardID const& shardId, VPackBuilder &outBuilder);
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void sendMessages();
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void clean();
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private:
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// two stage map: shard -> vertice -> message
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std::unordered_map<std::string, std::unordered_map<std::string, VPackBuilder*>> _map;
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ClusterInfo *_ci;
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CollectionID _collection;
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size_t _numVertices;
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};
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}}
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#endif
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