func (hl *chaincodeHandlerList) foreach(e *pb.Event, action func(h *handler)) {
hl.Lock()
defer hl.Unlock()
//if there's no chaincode event in the event... nothing to do (why was this event sent ?)
if e.GetChaincodeEvent() == nil || e.GetChaincodeEvent().ChaincodeID == "" {
return
}
//get the event map for the chaincode
if emap := hl.handlers[e.GetChaincodeEvent().ChaincodeID]; emap != nil {
//get the handler map for the event
if handlerMap := emap[e.GetChaincodeEvent().EventName]; handlerMap != nil {
for h := range handlerMap {
action(h)
}
}
//send to handlers who want all events from the chaincode, but only if
//EventName is not already "" (chaincode should NOT send nameless events though)
if e.GetChaincodeEvent().EventName != "" {
if handlerMap := emap[""]; handlerMap != nil {
for h := range handlerMap {
action(h)
}
}
}
}
}
