public DatabaseCore(IDatabaseSettings dbSettings)
{
_databaseSettings = dbSettings;
_environmentDatabase = LevelDBManager.GetEnvitonmentDatabaseInstance(_databaseSettings.GetPathToEnvironmentDatabase());
_sensorsDatabases = new TimeDatabaseDictionary(_environmentDatabase, dbSettings);
OpenAllExistingSensorDatabases();
}
private void OpenAllExistingSensorDatabases()
{
List <string> databasesList = _environmentDatabase.GetMonitoringDatabases();
foreach (var databaseName in databasesList)
{
GetDatesFromFolderName(databaseName, out DateTime from, out DateTime to);
if (from != DateTime.MinValue && to != DateTime.MinValue)
{
ISensorsDatabase database = LevelDBManager.GetSensorDatabaseInstance(
_databaseSettings.GetPathToMonitoringDatabase(databaseName), from, to);
_sensorsDatabases.AddDatabase(database);
}
}
}
public ISensorsDatabase GetDatabase(DateTime time)
{
long ticks = time.Ticks;
lock (_accessLock)
{
var correspondingItem = _sensorsDatabases.FirstOrDefault(i =>
i.DatabaseMinTicks <= ticks && i.DatabaseMaxTicks >= ticks);
if (correspondingItem != null)
{
return(correspondingItem);
}
DateTime minDateTime = DateTimeMethods.GetMinDateTime(time);
DateTime maxDateTime = DateTimeMethods.GetMaxDateTime(time);
string newDatabaseName = CreateSensorsDatabaseName(minDateTime, maxDateTime);
ISensorsDatabase newDatabase = LevelDBManager.GetSensorDatabaseInstance(
_databaseSettings.GetPathToMonitoringDatabase(newDatabaseName), minDateTime, maxDateTime);
_sensorsDatabases.Add(newDatabase);
Task.Run(() => _environmentDatabase.AddMonitoringDatabaseToList(newDatabaseName));
return(newDatabase);
}
}
