graph

Documentation

Overview

Package graph implementation and provider

Index

• Variables
• type ErrNotFound
  • func (enf *ErrNotFound) Error() string
• type SimpleGraph
  • func New() *SimpleGraph
  • func (g *SimpleGraph) AddEdge(source *domain.Vertex, target *domain.Vertex, p *domain.Policy) (*domain.Edge, error)
  • func (g *SimpleGraph) AddVertex(p *domain.Policy) (*domain.Vertex, error)
  • func (g *SimpleGraph) GetVertex(key string) (*domain.Vertex, error)
  • func (g *SimpleGraph) TraverseAndValidateData(subject, resource string, permission domain.Permission) bool

Variables

var (
	// ErrMissingSignature source transaction signature not present in policy
	ErrMissingSignature = errors.New("source transaction signature missing from policy")
)

Types

type ErrNotFound

type ErrNotFound struct {
	Key []byte
}

ErrNotFound key not found

func (*ErrNotFound) Error

func (enf *ErrNotFound) Error() string

Error stringify error message

type SimpleGraph

type SimpleGraph struct {
	// contains filtered or unexported fields
}

SimpleGraph dag implementation

func New

func New() *SimpleGraph

New constructor

func (*SimpleGraph) AddEdge

func (g *SimpleGraph) AddEdge(source *domain.Vertex, target *domain.Vertex, p *domain.Policy) (*domain.Edge, error)

AddEdge to vertex

func (*SimpleGraph) AddVertex

func (g *SimpleGraph) AddVertex(p *domain.Policy) (*domain.Vertex, error)

AddVertex to graph

func (*SimpleGraph) GetVertex

func (g *SimpleGraph) GetVertex(key string) (*domain.Vertex, error)

GetVertex from graph

func (*SimpleGraph) TraverseAndValidateData

func (g *SimpleGraph) TraverseAndValidateData(subject, resource string, permission domain.Permission) bool

TraverseAndValidateData iterate over edges and validate data