You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 

45 lines
1000 B

package events
import (
"github.com/tendermint/tendermint/types"
)
const (
eventsBufferSize = 1000
)
// An EventCache buffers events for a Fireable
// All events are cached. Filtering happens on Flush
type EventCache struct {
evsw Fireable
events []eventInfo
}
// Create a new EventCache with an EventSwitch as backend
func NewEventCache(evsw Fireable) *EventCache {
return &EventCache{
evsw: evsw,
events: make([]eventInfo, eventsBufferSize),
}
}
// a cached event
type eventInfo struct {
event string
data types.EventData
}
// Cache an event to be fired upon finality.
func (evc *EventCache) FireEvent(event string, data types.EventData) {
// append to list
evc.events = append(evc.events, eventInfo{event, data})
}
// Fire events by running evsw.FireEvent on all cached events. Blocks.
// Clears cached events
func (evc *EventCache) Flush() {
for _, ei := range evc.events {
evc.evsw.FireEvent(ei.event, ei.data)
}
evc.events = make([]eventInfo, eventsBufferSize)
}