The e4Graph C++ binding contains two groups of classes: elements and
iterators. Elements, such as e4_Node, represent
persistent elements in a storage. Iterators, such as e4_VertexVisitor,
allow the user program to iterate over a selection of vertices in a storage.
e4_Storage | Stores persistent representations of e4_Marker, e4_Node and e4_Vertex. A single storage can contain any number of markers, nodes and fields. |
e4_Marker | Representation of a marker. Each marker is contained in a storage. A marker always marks a node, its root node. |
e4_Node | Representation of a node. Each valid node is reachable from at least one marker. |
e4_Vertex | Representation of a vertex in a node. Each vertex has a source node.
Vertices are ordered
by rank within a node. Vertices have a name, a type and a value. |
e4_StorageVisitor | Iterates over all currently open storages in an implementation dependent order. |
e4_MarkerVisitor | Iterates over all marker within a storage in an implementation dependent order. |
e4_NodeVisitor | Iterates over all nodes within a storage in an implementation dependent order. |
e4_VertexVisitor | Iterates over a collection of vertices within a storage according to flexible selection criteria. For example, this class allows the user to visit all vertices within a node or filter out vertices that do not have a specific name or value type. |