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data: added HierarchyCache for storing member relationships

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This change introduces the HierarchyCache that caches the member relationships of nodes in memory for faster graph
retrieval. Storing these relationships allows for retrieving nodes and edges as lists from the SqliteStorage at once
which results in a 10 fold speed improvement.
This commit is contained in:
Eberhard Graether
2015-09-24 12:43:49 +02:00
parent 5c06dedf7c
commit 97e49d9b3f
7 changed files with 339 additions and 158 deletions
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src/lib/data/SqliteStorage.h
+7 -1
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@@ -48,19 +48,24 @@ public:
bool isNode(Id elementId) const;
bool isFile(Id elementId) const;
StorageEdge getEdgeById(Id edgeId) const;
StorageEdge getEdgeBySourceTargetType(Id sourceId, Id targetId, int type) const;
std::vector<StorageEdge> getEdgesByIds(const std::vector<Id>& edgeIds) const;
std::vector<StorageEdge> getEdgesBySourceId(Id sourceId) const;
std::vector<StorageEdge> getEdgesBySourceIds(const std::vector<Id>& sourceIds) const;
std::vector<StorageEdge> getEdgesByTargetId(Id targetId) const;
std::vector<StorageEdge> getEdgesByTargetIds(const std::vector<Id>& targetIds) const;
std::vector<StorageEdge> getEdgesBySourceOrTargetId(Id id) const;
std::vector<StorageEdge> getEdgesByType(int type) const;
std::vector<StorageEdge> getEdgesBySourceType(Id sourceId, int type) const;
std::vector<StorageEdge> getEdgesByTargetType(Id targetId, int type) const;
StorageEdge getEdgeById(Id edgeId) const;
StorageNode getNodeById(Id id) const;
StorageNode getNodeByNameId(Id nameId) const;
StorageNode getNodeByName(const std::string& nodeName) const; // hmm... we need to use name hierarchy here...??
std::vector<StorageNode> getNodesByIds(const std::vector<Id>& nodeIds) const;
StorageFile getFileById(const Id id) const;
StorageFile getFileByName(const std::string& fileName) const;
@@ -101,6 +106,7 @@ private:
std::vector<StorageSourceLocation> getAllSourceLocations(const std::string& query) const;
std::vector<StorageEdge> getAllEdges(const std::string& query) const;
std::vector<StorageNode> getAllNodes(const std::string& query) const;
template <typename ResultType>
ResultType getFirstResult(const std::string& query) const;