Class HashedGrid

include/IECoreVDB/VDBObject.h:119–144

		};

		class HashedGrid
		{
			public:
				HashedGrid() : m_hashValid( false )
				{
				}

				HashedGrid( openvdb::GridBase::Ptr grid, std::shared_ptr<LockedFile> file )
					: m_grid( grid ),
					m_hashValid( false ), m_lockedFile( file )
				{
				}

				IECore::MurmurHash hash() const;
				openvdb::GridBase::Ptr metadata() const;
				openvdb::GridBase::Ptr grid() const;
				bool unmodifiedFromFile() const;
				void markedAsEdited();

			private:
				mutable openvdb::GridBase::Ptr m_grid;
				mutable bool m_hashValid;
				mutable IECore::MurmurHash m_hash;

				mutable std::shared_ptr<LockedFile> m_lockedFile;
		};

		std::unordered_map<std::string, HashedGrid> m_grids;