type DataManager struct {
/** This contain connection to know dataStore **/
m_dataStores map[string]DataStore
/** That channel is use to access the dataStores map **/
m_dataStoreChan chan map[string]interface{}
}
func newDataManager() *DataManager {
dataManager := new(DataManager)
dataManager.m_dataStores = make(map[string]DataStore)
dataManager.m_dataStoreChan = make(chan map[string]interface{}, 0)
// Concurrency...
go func() {
for {
select {
case op := <-dataManager.m_dataStoreChan:
if op["op"] == "getDataStore" {
storeId := op["storeId"].(string)
op["store"].(chan DataStore) <- dataManager.m_dataStores[storeId]
} else if op["op"] == "getDataStores" {
stores := make([]DataStore, 0)
for _, store := range dataManager.m_dataStores {
stores = append(stores, store)
}
op["stores"].(chan []DataStore) <- stores
} else if op["op"] == "setDataStore" {
store := op["store"].(DataStore)
dataManager.m_dataStores[store.GetId()] = store
} else if op["op"] == "removeDataStore" {
storeId := op["storeId"].(string)
delete(dataManager.m_dataStores, storeId)
}
}
}
}()
return dataManager
}
/**
* Access Map functions...
*/
func (this *DataManager) getDataStore(id string) DataStore {
arguments := make(map[string]interface{})
arguments["op"] = "getDataStore"
arguments["storeId"] = id
result := make(chan DataStore)
arguments["store"] = result
this.m_dataStoreChan <- arguments
return <-result
}
func (this *DataManager) getDataStores() []DataStore {
arguments := make(map[string]interface{})
arguments["op"] = "getDataStores"
result := make(chan []DataStore)
arguments["stores"] = result
this.m_dataStoreChan <- arguments
return <-result
}
func (this *DataManager) setDataStore(store DataStore) {
arguments := make(map[string]interface{})
arguments["op"] = "setDataStore"
arguments["store"] = store
this.m_dataStoreChan <- arguments
}
func (this *DataManager) removeDataStore(id string) {
arguments := make(map[string]interface{})
arguments["storeId"] = id
arguments["op"] = "removeDataStore"
this.m_dataStoreChan <- arguments
}