expression

Documentation

Index

• type ErrInvalidExpression
  • func (err ErrInvalidExpression) Error() string
• type TriggerExpression
  • func (triggerExpression *TriggerExpression) Evaluate() (string, error)
  • func (triggerExpression TriggerExpression) Get(name string) (interface{}, error)

Types

type ErrInvalidExpression

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

ErrInvalidExpression represents bad expression or its state error

func (ErrInvalidExpression) Error

func (err ErrInvalidExpression) Error() string

type TriggerExpression

type TriggerExpression struct {
	Expression *string

	WarnValue   *float64
	ErrorValue  *float64
	TriggerType string

	MainTargetValue         float64
	AdditionalTargetsValues map[string]float64
	PreviousState           string
}

TriggerExpression represents trigger expression handler parameters, what can be used for trigger expression handling

func (*TriggerExpression) Evaluate

func (triggerExpression *TriggerExpression) Evaluate() (string, error)

Evaluate gets trigger expression and evaluates it for given parameters using govaluate

func (TriggerExpression) Get

func (triggerExpression TriggerExpression) Get(name string) (interface{}, error)

Get realizing govaluate.Parameters interface used in evaluable expression