func LoadPQueue(desc *common.ServiceDescription) (iface.ISvc, error) {
config := &PQConfig{}
database := db.GetDatabase()
err := database.LoadServiceConfig(config, common.MakeServiceId(desc))
if err != nil {
return nil, err
}
pq := initPQueue(desc, config)
return pq, nil
}
func initPQueue(desc *common.ServiceDescription, config *PQConfig) *PQueue {
pq := PQueue{
desc: desc,
config: config,
msgMap: make(map[string]*PQMessage),
availMsgs: structs.NewActiveQueues(config.MaxPriority),
expireHeap: structs.NewIndexHeap(),
inFlightHeap: structs.NewIndexHeap(),
database: db.GetDatabase(),
newMsgNotification: make(chan bool),
msgSerialNumber: 0,
serviceId: common.MakeServiceId(desc),
}
pq.loadAllMessages()
return &pq
}