bsc/metrics/label.go

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package metrics
// Label hold an map[string]interface{} value that can be set arbitrarily.
type Label interface {
Value() map[string]interface{}
Mark(map[string]interface{})
}
// NewRegisteredLabel constructs and registers a new StandardLabel.
func NewRegisteredLabel(name string, r Registry) Label {
c := NewStandardLabel()
if nil == r {
r = DefaultRegistry
}
r.Register(name, c)
return c
}
// NewStandardLabel constructs a new StandardLabel.
func NewStandardLabel() *StandardLabel {
return &StandardLabel{}
}
// StandardLabel is the standard implementation of a Label.
type StandardLabel struct {
value map[string]interface{}
}
// Value returns label values.
func (l *StandardLabel) Value() map[string]interface{} {
return l.value
}
// Mark records the label.
func (l *StandardLabel) Mark(value map[string]interface{}) {
l.value = value
}