woodpecker/queue/context.go
2016-04-12 17:27:24 -07:00

23 lines
462 B
Go

package queue
import (
"golang.org/x/net/context"
)
const key = "queue"
// Setter defines a context that enables setting values.
type Setter interface {
Set(string, interface{})
}
// FromContext returns the Queue associated with this context.
func FromContext(c context.Context) Queue {
return c.Value(key).(Queue)
}
// ToContext adds the Queue to this context if it supports
// the Setter interface.
func ToContext(c Setter, q Queue) {
c.Set(key, q)
}