actor

type Action ¶

type Action struct {
	ID      string         `json:"id"`
	Query   []StateQuery   `json:"query"`
	Perform *types.Command `json:"perform"`
}

Action is composed of a list of Queries and a Command to perform in case the AND composition of queries returns true

type MixedQuery ¶

type MixedQuery struct {
	Var1  string
	Op    string
	Const interface{}
}

MixedQuery compares an element of State.Current with a constant only if that element is different from the same in State.Previous

func (q *MixedQuery) Execute(state *State) (res QueryResult, err error)

type QueryResult ¶ added in v1.4.0

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

type State ¶

type State struct {
	Current  interface{} `json:"current"`
	Previous interface{} `json:"previous"`
}

func (s *State) GetField(slices []string) (interface{}, error)

func (s *State) GetFieldDescriptor(key string) (*fieldDescriptor, error)

type StateQuery ¶

type StateQuery interface {
	Execute(state *State) (QueryResult, error)
}

type StructQuery ¶

type StructQuery struct {
	Var1 string
	Op   string
	Var2 string
}

StructQuery compares two elements of the State oin every state change

func (q *StructQuery) Execute(state *State) (res QueryResult, err error)