public DatabaseData ReloadDatabase(DatabaseData srcDatabase)
{
if (!databases.ContainsKey(srcDatabase.Definition.Path))
throw new ApplicationException("Database to reload don't exist");
try
{
RrdDb database = new RrdDb(srcDatabase.Definition.Path);
DatabaseData data = new DatabaseData();
data.Saved = true;
data.Definition = database.getRrdDef();
data.LastUpdated = database.getLastUpdateDateTime();
data.LastValue = database.getLastDatasourceValue(database.getDsNames()[0]);
databases[srcDatabase.Definition.Path] = data;
database.close();
return data;
}
catch (Exception ex)
{
Logger.Error("Fail to add database", ex);
throw;
}
}
public DatabaseData SetDatabaseAsEdit(DatabaseData srcDatabaseData)
{
if (!databases.ContainsKey(srcDatabaseData.Definition.Path))
throw new ApplicationException("Database not open in model");
// Make a clone of the source database definition and give it a new name
RrdDb rrdDb = new RrdDb(srcDatabaseData.Definition.Path, true);
databaseDefinition = rrdDb.getRrdDef();
rrdDb.close();
DatabaseData dstDatabaseData = new DatabaseData();
dstDatabaseData.SourceDatabasePath = srcDatabaseData.Definition.Path;
dstDatabaseData.Saved = false;
dstDatabaseData.Definition = databaseDefinition;
dstDatabaseData.Definition.Path = Path.GetFileNameWithoutExtension(databaseDefinition.Path) + "_";
dstDatabaseData.LastUpdated = dstDatabaseData.Definition.getStartDateTime();
dstDatabaseData.LastValue = double.NaN;
DatabaseDirty = true;
EditingDatabaseData = dstDatabaseData;
databases.Add(dstDatabaseData.Definition.Path,dstDatabaseData);
return dstDatabaseData;
}
public DatabaseData AddDatabase(string databasePath)
{
if (databases.ContainsKey(databasePath))
return databases[databasePath];
try
{
RrdDb database = new RrdDb(databasePath);
DatabaseData data = new DatabaseData();
data.Saved = true;
data.Definition = database.getRrdDef();
data.LastUpdated = database.getLastUpdateDateTime();
data.LastValue = database.getLastDatasourceValue(database.getDsNames()[0]);
databases.Add(databasePath, data);
database.close();
return databases[databasePath];
}
catch (Exception ex)
{
Logger.Error("Fail to add database", ex);
throw;
}
}