+ Int_t nMixed = -2; // not the same number for all chambers
+ Int_t nUndef = -1; // default value - has not been set!
+ Int_t nTbSor = nUndef;
+ Int_t nTbEor = nUndef;
+
+ const TObjArray *dcsArr = dynamic_cast<const TObjArray *>(GetCachedCDBObject(kIDDCS));
+
+ if (!dcsArr) {
+ AliError("No DCS object found!");
+ return nUndef;
+ }
+
+ const AliTRDCalDCS *calDCSsor = dynamic_cast<const AliTRDCalDCS *>(dcsArr->At(0));
+ const AliTRDCalDCS *calDCSeor = dynamic_cast<const AliTRDCalDCS *>(dcsArr->At(1));
+
+ if (!calDCSsor) {
+ // the SOR file is mandatory
+ AliError("NO SOR AliTRDCalDCS object found in CDB file!");
+ return nUndef;
+ }
+
+ if (!calDCSeor) {
+ // this can happen if the run is shorter than a couple of seconds.
+ AliWarning("NO EOR AliTRDCalDCS object found in CDB file.");
+ }
+
+ // get the numbers
+ nTbSor = calDCSsor->GetGlobalNumberOfTimeBins();
+ if (calDCSeor) nTbEor = calDCSeor->GetGlobalNumberOfTimeBins();
+
+ // if they're the same return the value
+ // -2 means mixed, -1: no data, >= 0: good number of time bins
+ if (nTbSor == nTbEor) return nTbSor;
+
+ // if they're differing:
+ if (nTbSor == nMixed || nTbEor == nMixed) {
+ AliWarning("Inconsistent number of time bins found!");
+ return nMixed;
+ }
+
+ // one is undefined, the other ok -> return that one
+ if (nTbSor == nUndef) return nTbEor;
+ if (nTbEor == nUndef) return nTbSor;
+
+ // only remains: two different numbers >= 0
+ return nMixed;
+}
+
+//_____________________________________________________________________________
+void AliTRDcalibDB::GetFilterType(TString &filterType)
+{
+ //
+ // Returns the filter type
+ //
+
+ const TObjArray *dcsArr = dynamic_cast<const TObjArray *>(GetCachedCDBObject(kIDDCS));
+ if(!dcsArr){
+ filterType = "";
+ return;
+ }
+ const AliTRDCalDCS *calDCS = dynamic_cast<const AliTRDCalDCS *>(dcsArr->At(1)); // Take EOR
+
+ if(!calDCS){
+ filterType = "";
+ return;
+ }
+ filterType = calDCS->GetGlobalFilterType();
+}
+
+//_____________________________________________________________________________
+void AliTRDcalibDB::GetGlobalConfiguration(TString &config){
+ //
+ // Get Configuration from the DCS
+ //
+ const TObjArray *dcsArr = dynamic_cast<const TObjArray *>(GetCachedCDBObject(kIDDCS));
+ if(!dcsArr){
+ config = "";
+ return;