schema

Documentation

Index

• type Action
• type Child
• type ChildKind
  • func (o ChildKind) String() string
• type Entity
  • func (e Entity) GetAction(name string) Action
• type Exp
• type Leaf
  • func (Leaf) GetKind() string
  • func (l Leaf) GetType() string
• type LeafType
  • func (o LeafType) String() string
• type OPType
  • func (o OPType) String() string
• type Relation
• type Relations
  • func (r Relations) GetRelationByName(name string) (relation Relation)
• type Rewrite
  • func (Rewrite) GetKind() string
  • func (r Rewrite) GetType() string
• type Schema
  • func NewSchema(entities ...Entity) (schema Schema)
  • func (s Schema) GetEntityByName(name string) Entity

Types

type Action

type Action struct {
	Name  string `json:"name"`
	Child Exp    `json:"child"`
}

Action -

type Child

type Child Exp

Child -

type ChildKind

type ChildKind string

const (
	LeafKind    ChildKind = "leaf"
	RewriteKind ChildKind = "rewrite"
)

func (ChildKind) String

func (o ChildKind) String() string

type Entity

type Entity struct {
	Name      string     `json:"name"`
	Relations []Relation `json:"relations"`
	Actions   []Action   `json:"actions"`
}

Entity -

func (Entity) GetAction

func (e Entity) GetAction(name string) Action

GetAction -

type Exp

type Exp interface {
	GetType() string
	GetKind() string
}

type Leaf

type Leaf struct {
	Exclusion bool     `json:"exclusion"`
	Type      LeafType `json:"type"` // tupleToUserSet or computedUserSet
	Value     string   `json:"value"`
}

Leaf -

func (Leaf) GetKind

func (Leaf) GetKind() string

GetKind -

func (Leaf) GetType

func (l Leaf) GetType() string

GetType -

type LeafType

type LeafType string

LeafType -

const (
	ComputedUserSetType LeafType = "computed_user_set"
	TupleToUserSetType  LeafType = "tuple_to_user_set"
)

func (LeafType) String

func (o LeafType) String() string

type OPType

type OPType string

OPType -

const (
	Union        OPType = "union"
	Intersection OPType = "intersection"
)

func (OPType) String

func (o OPType) String() string

type Relation

type Relation struct {
	Name string `json:"name"`
	Type string `json:"type"`
}

Relation -

type Relations

type Relations []Relation

func (Relations) GetRelationByName

func (r Relations) GetRelationByName(name string) (relation Relation)

GetRelationByName -

type Rewrite

type Rewrite struct {
	Type     OPType  `json:"type"` // union or intersection
	Children []Child `json:"children"`
}

Rewrite -

func (Rewrite) GetKind

func (Rewrite) GetKind() string

GetKind -

func (Rewrite) GetType

func (r Rewrite) GetType() string

GetType -

type Schema

type Schema struct {
	Entities map[string]Entity `json:"entities"`
}

func NewSchema

func NewSchema(entities ...Entity) (schema Schema)

NewSchema -

func (Schema) GetEntityByName

func (s Schema) GetEntityByName(name string) Entity

GetEntityByName -