eval

Documentation

Index

• type BooleanFlag
• type Flags
• type IEvaluator
• type JsonEvaluator
  • func (je *JsonEvaluator) GetState() (string, error)
  • func (je *JsonEvaluator) ResolveBooleanValue(flagKey string, defaultValue bool) (bool, error)
  • func (je *JsonEvaluator) ResolveNumberValue(flagKey string, defaultValue float32) (float32, error)
  • func (je *JsonEvaluator) ResolveObjectValue(flagKey string, defaultValue map[string]interface{}) (map[string]interface{}, error)
  • func (je *JsonEvaluator) ResolveStringValue(flagKey string, defaultValue string) (string, error)
  • func (je *JsonEvaluator) SetState(state string) error
• type NumberFlag
• type ObjectFlag
• type StringFlag

Types

type BooleanFlag

type BooleanFlag struct {
	State          string          `json:"state"`
	Variants       map[string]bool `json:"variants"`
	DefaultVariant string          `json:"defaultVariant"`
	Rules          []interface{}   `json:"rules"`
}

type Flags

type Flags struct {
	BooleanFlags map[string]BooleanFlag `json:"booleanFlags"`
	StringFlags  map[string]StringFlag  `json:"stringFlags"`
	NumericFlags map[string]NumberFlag  `json:"numericFlags"`
	ObjectFlags  map[string]ObjectFlag  `json:"objectFlags"`
}

TODO: use some composition/interfaces here to reduce duplication, but we'll have to customize the marshalling

type IEvaluator

type IEvaluator interface {
	// TODO: add context param when rule evaluator is implemented
	GetState() (string, error)
	SetState(state string) error
	ResolveBooleanValue(flagKey string, defaultValue bool) (bool, error)
	ResolveStringValue(flagKey string, defaultValue string) (string, error)
	ResolveNumberValue(flagKey string, defaultValue float32) (float32, error)
	ResolveObjectValue(flagKey string, defaultValue map[string]interface{}) (map[string]interface{}, error)
}

IEvaluator implementations store the state of the flags, do parsing and validation of the flag state and evaluate flags in response to handlers.

type JsonEvaluator

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

func (*JsonEvaluator) GetState

func (je *JsonEvaluator) GetState() (string, error)

func (*JsonEvaluator) ResolveBooleanValue

func (je *JsonEvaluator) ResolveBooleanValue(flagKey string, defaultValue bool) (bool, error)

func (*JsonEvaluator) ResolveNumberValue

func (je *JsonEvaluator) ResolveNumberValue(flagKey string, defaultValue float32) (float32, error)

func (*JsonEvaluator) ResolveObjectValue

func (je *JsonEvaluator) ResolveObjectValue(flagKey string, defaultValue map[string]interface{}) (map[string]interface{}, error)

func (*JsonEvaluator) ResolveStringValue

func (je *JsonEvaluator) ResolveStringValue(flagKey string, defaultValue string) (string, error)

func (*JsonEvaluator) SetState

func (je *JsonEvaluator) SetState(state string) error

type NumberFlag

type NumberFlag struct {
	State          string             `json:"state"`
	Variants       map[string]float32 `json:"variants"`
	DefaultVariant string             `json:"defaultVariant"`
	Rules          []interface{}      `json:"rules"`
}

type ObjectFlag

type ObjectFlag struct {
	State          string                            `json:"state"`
	Variants       map[string]map[string]interface{} `json:"variants"`
	DefaultVariant string                            `json:"defaultVariant"`
	Rules          []interface{}                     `json:"rules"`
}

type StringFlag

type StringFlag struct {
	State          string            `json:"state"`
	Variants       map[string]string `json:"variants"`
	DefaultVariant string            `json:"defaultVariant"`
	Rules          []interface{}     `json:"rules"`
}