public void setDsType(Common.DsType newDsType)
{
dsType = newDsType;
dsTypeName.set(dsType.Name);
// set datasource type
// reset datasource status
lastValue.set(Double.NaN);
accumValue.set(0.0);
// reset archive status
int dsIndex = parentDb.getDsIndex(dsName.get());
Archive[] archives = parentDb.getArchives();
foreach (Archive archive in archives)
{
archive.getArcState(dsIndex).setAccumValue(Double.NaN);
}
}