public void UpdateDataSource(DatabaseData srcDatabase, DsDef updatedDsDef, DsDef originalDsDef)
{
RrdDb database = null;
try
{
database = new RrdDb(srcDatabase.Definition.Path, false);
Datasource datasource = database.getDatasource(originalDsDef.getDsName());
if (datasource == null)
{
throw new ArgumentException(updatedDsDef.getDsName() + " datasource don't exist");
}
if (datasource.DsName != updatedDsDef.DsName)
{
datasource.setDsName(updatedDsDef.getDsName());
}
datasource.setDsType(updatedDsDef.getDsType());
datasource.setHeartbeat(updatedDsDef.getHeartbeat());
datasource.setMaxValue(updatedDsDef.getMaxValue(), true);
datasource.setMinValue(updatedDsDef.getMinValue(), true);
}
catch (FileNotFoundException ex)
{
Logger.Error("Update datasource failed", ex);
throw new ApplicationException("Can't update datasource until database saved!", ex);
}
finally
{
if (database != null)
{
database.close();
}
}
}
public void setDsMinValue(String sourcePath, String datasourceName, double newMinValue, boolean filterArchivedValues)
{
RrdDb rrd = new RrdDb(sourcePath);
Datasource ds = rrd.getDatasource(datasourceName);
ds.setMinValue(newMinValue, filterArchivedValues);
rrd.close();
}
public void setDsHeartbeat(String sourcePath, String datasourceName, long newHeartbeat)
{
RrdDb rrd = new RrdDb(sourcePath);
Datasource ds = rrd.getDatasource(datasourceName);
ds.setHeartbeat(newHeartbeat);
rrd.close();
}
