C# Class VelocityGraph.VertexType

Inheritance: OptimizedPersistable

显示文件 Open project: VelocityDB/VelocityDB Class Usage Examples

Private Properties

Property	Type	Description
AddToResult	void
NewHeadToTailEdge	void
NewTailToHeadEdge	void
RemoveHeadToTailEdge	void
RemoveTailToHeadEdge	void
Traverse	HashSet>.Dictionary
Traverse	HashSet>.Dictionary
VertexType	System

Public Methods

Method	Description
CountVertices ( ) : long	Count of vertcies
FindProperty ( string name ) : PropertyType	Gets the associated PropertyType given a propert type name or null if such property type does't exist.
GetEdges ( EdgeType etype, Direction dir ) : IEnumerable	Enumerates edges connected wih this vertex type
GetEdges ( EdgeType edgeType, Vertex vertex1, Direction dir, Vertex vertex2 = null ) : IEnumerable	Get all edges found between two vertices
GetEdges ( Vertex vertex1, Direction dir ) : IEnumerable	Get all edges found from a given Vertex
GetNumberOfEdges ( EdgeType etype, Direction dir ) : long	Get the number of edges of a certain type that can be found and an edge direction
GetNumberOfEdges ( EdgeType etype, Int32 vertexId, Direction dir ) : long	Get the number of edges of a certain type that can be found associated with a vertex id and an edge direction
GetNumberOfEdges ( EdgeType edgeType, Int32 vertexId, Int32 vertexId2, Direction dir ) : long	Get the number of edges of a certain type that can be found associated with a vertex id, another vertex id at other end and an edge direction
GetPropertyKeys ( ) : IEnumerable	Return all the keys associated with the vertex type.
GetPropertyTypes ( ) : IEnumerable	Return all the property types associated with vertex type.
GetPropertyValue ( Int32 vertexId, PropertyType propertyType ) : object	Get the property value for a Vertex
GetTopNumberOfEdges ( EdgeType etype, int howMany, Direction dir ) : Vertex[]	Get the top vertices with the most number of edges of the given edge type
GetVertex ( Int32 vertexId, bool polymorphic = false, bool errorIfNotFound = true ) : Vertex	Instantiates a Vertex if it exist
GetVerticeIds ( ) : IEnumerable	Get existing Vertex ids for this type
GetVertices ( EdgeType etype, Vertex vertex1, Direction dir ) : IEnumerable	Get an enumeration of existing vertices of this type found by following an edge type
GetVertices ( bool polymorphic = false ) : IEnumerable	Enumerates all vertices for the given type
NewProperty ( string name, DataType dt, PropertyKind kind ) : PropertyType	Creates a new Property.
NewVertex ( Int32 vId ) : Vertex	Creates a new Vertex
Remove ( ) : void	Removes this VertexType from a graph. An exception is thrown if the VertexType is in use.
RemoveVertex ( Vertex vertex ) : void	Removes a vertex from this type and graph
SetPropertyValue ( Int32 vertexId, PropertyType propertyType, IComparable v ) : void	Sets a property value
ToString ( ) : string
Unpersist ( SessionBase session ) : void

Protected Methods

Method	Description
edgeVertexId ( System.Edge edge, Int32 vertexId ) : System.UInt64	Gets a combined Edge id and Vertex id

Private Methods

Method	Description
AddToResult ( Dictionary result, Vertex key, System.Edge value ) : void
NewHeadToTailEdge ( EdgeType edgeType, System.Edge edge, Vertex tail, Vertex head, SessionBase session ) : void
NewTailToHeadEdge ( EdgeType edgeType, System.Edge edge, Vertex tail, Vertex head, SessionBase session ) : void
RemoveHeadToTailEdge ( System.Edge edge ) : void
RemoveTailToHeadEdge ( System.Edge edge ) : void
Traverse ( Vertex vertex1, Direction dir, ISet edgeTypesToTraverse = null ) : HashSet>.Dictionary
Traverse ( Vertex vertex1, EdgeType etype, Direction dir ) : HashSet>.Dictionary	Selects all neighbor Vertices from or to this vertex and for the given edge type.
VertexType ( Int32 aTypeId, string aTypeName, VertexType baseType, Graph graph ) : System

Method Details

CountVertices() public method

Count of vertcies

public CountVertices ( ) : long
return	long

FindProperty() public method

Gets the associated PropertyType given a propert type name or null if such property type does't exist.

public FindProperty ( string name ) : PropertyType
name	string	A property type name
return	PropertyType

GetEdges() public method

Enumerates edges connected wih this vertex type

public GetEdges ( EdgeType etype, Direction dir ) : IEnumerable
etype	EdgeType	A type of edge type to look for
dir	Direction	Direction of edge
return	IEnumerable

GetEdges() public method

Get all edges found between two vertices

public GetEdges ( EdgeType edgeType, Vertex vertex1, Direction dir, Vertex vertex2 = null ) : IEnumerable
edgeType	EdgeType	Restrict to this type of edge
vertex1	Vertex	Start
dir	Direction	Follow edges in this direction
vertex2	Vertex	End
return	IEnumerable

GetEdges() public method

Get all edges found from a given Vertex

public GetEdges ( Vertex vertex1, Direction dir ) : IEnumerable
vertex1	Vertex	A id
dir	Direction	follow edges in this direction
return	IEnumerable

GetNumberOfEdges() public method

Get the number of edges of a certain type that can be found and an edge direction

public GetNumberOfEdges ( EdgeType etype, Direction dir ) : long
etype	EdgeType	Use this type of edge
dir	Direction	Edge direction to follow
return	long

GetNumberOfEdges() public method

Get the number of edges of a certain type that can be found associated with a vertex id and an edge direction

public GetNumberOfEdges ( EdgeType etype, Int32 vertexId, Direction dir ) : long
etype	EdgeType	Type of edges to look for
vertexId	System.Int32	Id of a
dir	Direction	Edge direction to use
return	long

GetNumberOfEdges() public method

Get the number of edges of a certain type that can be found associated with a vertex id, another vertex id at other end and an edge direction

public GetNumberOfEdges ( EdgeType edgeType, Int32 vertexId, Int32 vertexId2, Direction dir ) : long
edgeType	EdgeType
vertexId	System.Int32	Id of a
vertexId2	System.Int32	Id of a
dir	Direction	Edge direction to use
return	long

GetPropertyKeys() public method

Return all the keys associated with the vertex type.

public GetPropertyKeys ( ) : IEnumerable
return	IEnumerable

GetPropertyTypes() public method

Return all the property types associated with vertex type.

public GetPropertyTypes ( ) : IEnumerable
return	IEnumerable

GetPropertyValue() public method

Get the property value for a Vertex

public GetPropertyValue ( Int32 vertexId, PropertyType propertyType ) : object
vertexId	System.Int32	Id of
propertyType	PropertyType	Type of property
return	object

GetTopNumberOfEdges() public method

Get the top vertices with the most number of edges of the given edge type

public GetTopNumberOfEdges ( EdgeType etype, int howMany, Direction dir ) : Vertex[]
etype	EdgeType	The edge type to look for
howMany	int	How many top ones to collect
dir	Direction	What end of edges to look at
return	Vertex[]

GetVertex() public method

Instantiates a Vertex if it exist

public GetVertex ( Int32 vertexId, bool polymorphic = false, bool errorIfNotFound = true ) : Vertex
vertexId	System.Int32	id of Vertex we are looking for
polymorphic	bool	If true and id isn't found in this VertexType continue search into sub types
errorIfNotFound	bool	Indicate what to do if Vertex does not exist
return	Vertex

GetVerticeIds() public method

Get existing Vertex ids for this type

public GetVerticeIds ( ) : IEnumerable
return	IEnumerable

GetVertices() public method

Get an enumeration of existing vertices of this type found by following an edge type

public GetVertices ( EdgeType etype, Vertex vertex1, Direction dir ) : IEnumerable
etype	EdgeType	Edge type to follow
vertex1	Vertex	Vertex to start from
dir	Direction	Edge direction to follow
return	IEnumerable

GetVertices() public method

Enumerates all vertices for the given type

public GetVertices ( bool polymorphic = false ) : IEnumerable
polymorphic	bool	If true, also include all vertices of sub types of this VertexType
return	IEnumerable

NewProperty() public method

Creates a new Property.

public NewProperty ( string name, DataType dt, PropertyKind kind ) : PropertyType
name	string	Unique name for the new Property.
dt	DataType	Data type for the new Property.
kind	PropertyKind	Property kind.
return	PropertyType

NewVertex() public method

Creates a new Vertex

public NewVertex ( Int32 vId ) : Vertex
vId	System.Int32	Optionally provide the Vertex id to use.
return	Vertex

Remove() public method

Removes this VertexType from a graph. An exception is thrown if the VertexType is in use.

public Remove ( ) : void
return	void

RemoveVertex() public method

Removes a vertex from this type and graph

public RemoveVertex ( Vertex vertex ) : void
vertex	Vertex	The vertex to remove
return	void

SetPropertyValue() public method

Sets a property value

public SetPropertyValue ( Int32 vertexId, PropertyType propertyType, IComparable v ) : void
vertexId	System.Int32	Id of for which to set property value
propertyType	PropertyType	The type of property to set
v	IComparable	the value to set the property to
return	void

ToString() public method

public ToString ( ) : string
return	string

Unpersist() public method

public Unpersist ( SessionBase session ) : void
session	SessionBase
return	void

edgeVertexId() protected method

Gets a combined Edge id and Vertex id

protected edgeVertexId ( System.Edge edge, Int32 vertexId ) : System.UInt64
edge	System.Edge	Get edge id from this edge
vertexId	System.Int32	A id
return	System.UInt64