func (s *store) Watch(key string, recursive bool, sinceIndex uint64) (<-chan *Event, error) {
key = path.Clean(path.Join("/", key))
nextIndex := s.CurrentIndex + 1
s.worldLock.RLock()
defer s.worldLock.RUnlock()
var c <-chan *Event
var err *etcdErr.Error
if sinceIndex == 0 {
c, err = s.WatcherHub.watch(key, recursive, nextIndex)
} else {
c, err = s.WatcherHub.watch(key, recursive, sinceIndex)
}
if err != nil {
// watchhub do not know the current Index
// we need to attach the currentIndex here
err.Index = s.CurrentIndex
return nil, err
}
return c, nil
}
func (s *store) Watch(key string, recursive, stream bool, sinceIndex uint64) (*Watcher, error) {
s.worldLock.RLock()
defer s.worldLock.RUnlock()
key = path.Clean(path.Join("/", key))
nextIndex := s.CurrentIndex + 1
var w *Watcher
var err *etcdErr.Error
if sinceIndex == 0 {
w, err = s.WatcherHub.watch(key, recursive, stream, nextIndex)
} else {
w, err = s.WatcherHub.watch(key, recursive, stream, sinceIndex)
}
if err != nil {
// watchhub do not know the current Index
// we need to attach the currentIndex here
err.Index = s.CurrentIndex
return nil, err
}
return w, nil
}