act_runner/poller/metric.go
2022-11-24 15:38:20 +08:00

34 lines
572 B
Go

package poller
import "sync/atomic"
// Metric interface
type Metric interface {
IncBusyWorker() int64
DecBusyWorker() int64
BusyWorkers() int64
}
var _ Metric = (*metric)(nil)
type metric struct {
busyWorkers int64
}
// NewMetric for default metric structure
func NewMetric() Metric {
return &metric{}
}
func (m *metric) IncBusyWorker() int64 {
return atomic.AddInt64(&m.busyWorkers, 1)
}
func (m *metric) DecBusyWorker() int64 {
return atomic.AddInt64(&m.busyWorkers, -1)
}
func (m *metric) BusyWorkers() int64 {
return atomic.LoadInt64(&m.busyWorkers)
}