func (c *Condition) DoOnTracker(e *event.Event, dot func(*eventTracker)) {
// c.Lock()
et, ok := c.eventTrackers[e.IndexName()]
if !ok {
et = c.newTracker()
c.eventTrackers[e.IndexName()] = et
}
dot(et)
// c.Unlock()
}
func (c *Condition) getTracker(e *event.Event) *eventTracker {
if c.eventTrackers == nil {
c.eventTrackers = make(map[string]*eventTracker)
}
et, ok := c.eventTrackers[e.IndexName()]
if !ok {
et = c.newTracker()
c.eventTrackers[e.IndexName()] = et
}
return et
}
// generate an index name by using group-by statements
func (g grouper) genIndexName(e *event.Event) string {
return e.IndexName()
}