watcher

Documentation

Index

• type NotifyWatcher
  • func NewNotifyWatcher(caller base.Caller, result params.NotifyWatchResult) NotifyWatcher
• type RelationUnitsWatcher
  • func NewRelationUnitsWatcher(caller base.Caller, result params.RelationUnitsWatchResult) RelationUnitsWatcher
• type StringsWatcher
  • func NewStringsWatcher(caller base.Caller, result params.StringsWatchResult) StringsWatcher

Types

type NotifyWatcher

type NotifyWatcher interface {
	Changes() <-chan struct{}
	Stop() error
	Err() error
}

NotifyWatcher will send events when something changes. It does not send content for those changes.

func NewNotifyWatcher

func NewNotifyWatcher(caller base.Caller, result params.NotifyWatchResult) NotifyWatcher

If an API call returns a NotifyWatchResult, you can use this to turn it into a local Watcher.

type RelationUnitsWatcher

type RelationUnitsWatcher interface {
	Changes() <-chan params.RelationUnitsChange
	Stop() error
	Err() error
}

RelationUnitsWatcher will send events when something changes. The content for the changes is a params.RelationUnitsChange struct.

func NewRelationUnitsWatcher

func NewRelationUnitsWatcher(caller base.Caller, result params.RelationUnitsWatchResult) RelationUnitsWatcher

type StringsWatcher

type StringsWatcher interface {
	Changes() <-chan []string
	Stop() error
	Err() error
}

StringsWatcher will send events when something changes. The content for the changes is a list of strings.

func NewStringsWatcher

func NewStringsWatcher(caller base.Caller, result params.StringsWatchResult) StringsWatcher