func (db *HybridDB) Trim() {
db.Sem.Lock()
defer db.Sem.Unlock()
m := new(mapdb.MapDB)
m.Init(nil)
db.temporaryStorage = m
}
func (s *State) InitMapDB() error {
if s.DB != nil {
return nil
}
dbase := new(mapdb.MapDB)
dbase.Init(nil)
s.DB = databaseOverlay.NewOverlay(dbase)
return nil
}
func NewBoltMapHybridDB(bucketList [][]byte, filename string) *HybridDB {
answer := new(HybridDB)
m := new(mapdb.MapDB)
m.Init(bucketList)
answer.temporaryStorage = m
b := new(boltdb.BoltDB)
b.Init(bucketList, filename)
answer.persistentStorage = b
return answer
}
func NewLevelMapHybridDB(filename string, create bool) (*HybridDB, error) {
answer := new(HybridDB)
m := new(mapdb.MapDB)
m.Init(nil)
answer.temporaryStorage = m
b, err := leveldb.NewLevelDB(filename, create)
if err != nil {
return nil, err
}
answer.persistentStorage = b
return answer, nil
}
func InitMapDB(cfg *util.FactomdConfig) interfaces.DBOverlay {
//fmt.Println("InitMapDB")
dbase := new(mapdb.MapDB)
dbase.Init(nil)
return databaseOverlay.NewOverlay(dbase)
}