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3.2 KiB
3.2 KiB
events
import "github.com/tendermint/tmlibs/events"
Overview
Pub-Sub in go with event caching
Index
Package files
event_cache.go events.go log.go
type EventCache
type EventCache struct {
// contains filtered or unexported fields
}
An EventCache buffers events for a Fireable All events are cached. Filtering happens on Flush
func NewEventCache
func NewEventCache(evsw Fireable) *EventCache
Create a new EventCache with an EventSwitch as backend
func (*EventCache) FireEvent
func (evc *EventCache) FireEvent(event string, data EventData)
Cache an event to be fired upon finality.
func (*EventCache) Flush
func (evc *EventCache) Flush()
Fire events by running evsw.FireEvent on all cached events. Blocks. Clears cached events
type EventCallback
type EventCallback func(data EventData)
type EventData
type EventData interface {
}
Generic event data can be typed and registered with tendermint/go-wire via concrete implementation of this interface
type EventSwitch
type EventSwitch interface {
Service
Fireable
AddListenerForEvent(listenerID, event string, cb EventCallback)
RemoveListenerForEvent(event string, listenerID string)
RemoveListener(listenerID string)
}
func NewEventSwitch
func NewEventSwitch() EventSwitch
type Eventable
type Eventable interface {
SetEventSwitch(evsw EventSwitch)
}
reactors and other modules should export this interface to become eventable
type Fireable
type Fireable interface {
FireEvent(event string, data EventData)
}
an event switch or cache implements fireable
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