EdgeType Class

All edges have a type that is identified as a EdgeType. Each EdgeType have a name, can be persisted and tracks all edges of its type. The edge type also knows about properties used by its type.

Inheritance Hierarchy

SystemObject
VelocityDbOptimizedPersistable
VelocityGraphEdgeType

Namespace: VelocityGraph
Assembly: VelocityGraph (in VelocityGraph.dll) Version: 11.1.0.0 (11.1)

Syntax

C++

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[SerializableAttribute]
public class EdgeType : OptimizedPersistable, IComparable<EdgeType>, 
	IEqualityComparer<EdgeType>

<SerializableAttribute>
Public Class EdgeType
	Inherits OptimizedPersistable
	Implements IComparable(Of EdgeType), IEqualityComparer(Of EdgeType)

[SerializableAttribute]
public ref class EdgeType : public OptimizedPersistable, 
	IComparable<EdgeType^>, IEqualityComparer<EdgeType^>

[<SerializableAttribute>]
type EdgeType =  
    class
        inherit OptimizedPersistable
        interface IComparable<EdgeType>
        interface IEqualityComparer<EdgeType>
    end

The EdgeType type exposes the following members.

Constructors

	Name	Description
	EdgeType	Creates a new edge type.

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Properties

	Name	Description
	Directed	Is Directed if edge type is not birectionalal
	HeadType	Gets the Head VertexType of the edge (might not be set)
	MyGraph	Graph for which this EdgeType belongs to
	SubTypes	Sub types of this EdgeType
	TailType	Gets the Tail VertexType of the edge (might not be set)
	TypeId	Gets the id of the edge type
	TypeName	Gets the name of the this edge type
	Unrestricted	Is this edge type restricted to a certain head and tail vertex type?

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Methods

	Name	Description
	Compare	Compares two edge types by id
	CompareTo	Compares two EdgeType objects by id
	CountEdges	Get a count of existing edges of this type
	Equals	Compares two edge types by id
	FindProperty	Gets the property type given a property type name
	GetEdge(Int32, Boolean, Boolean)	Gets an edge given an edge id. Throws if no such edge exist.
	GetEdge(Int32, Vertex, Vertex)	Get an edge for a given id
	GetEdges	Enumerates all edges of this type
	GetHashCode	Get a hash code for an edge tyepe based on type id
	GetPropertyKeys	Return all the keys associated with the edge type.
	GetPropertyTypes	Return all the property types associated with edge type.
	GetPropertyValue	Gets a property value given an edge id and a property type
	NewEdge	Create an edge between tail and head vertex
	NewEdgeX	Not yet implemented
	NewProperty	Creates a new Property.
	Remove	Removes this EdgeType from a graph. An exception is thrown if the EdgeType is in use.
	RemoveEdge	Removing an edge from this edge type
	SetPropertyValue(EdgeType, Int32, PropertyType, IComparable)	Sets an edge property given an edge id, property type and a value
	SetPropertyValue(VertexType, Int32, PropertyType, IComparable)
	ToString	Displays class name plus object id (Overrides OptimizedPersistableToString.)
	Unpersist	Removes an object from the persistent store and makes the object a transient object. It does not automatically make referenced objects unpersisted. Best way to do so is to override this virtual function in your own classes. (Overrides OptimizedPersistableUnpersist(SessionBase).)

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Extension Methods

	Name	Description
	ToStringDetails(SessionBase, Boolean)	Overloaded. Object details as a string (Defined by Utilities.)
	ToStringDetails(Schema, TypeVersion, Boolean)	Overloaded. Currently only used by Database Manager (Defined by Utilities.)

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Reference

VelocityGraph Namespace