Add three particle correlation loop for correction of auto-correlaton bias

[u/mrichter/AliRoot.git] / TPC / AliTPCSensorTempArray.cxx

diff --git a/TPC/AliTPCSensorTempArray.cxx b/TPC/AliTPCSensorTempArray.cxx
index 946b238f9281731cf9ea097be94edc7f036bbfa1..fc854f3ccaed28b87269161a9cb01eb9e2e84e6c 100644 (file)
--- a/TPC/AliTPCSensorTempArray.cxx
+++ b/TPC/AliTPCSensorTempArray.cxx
@@ -49,10 +49,11 @@ AliTPCSensorTempArray::AliTPCSensorTempArray(Int_t run) : AliDCSSensorArray()
      
   AliCDBEntry *entry =
             AliCDBManager::Instance()->Get("TPC/Config/Temperature",run); 
-  TTree *tree = (TTree*) entry->GetObject();
-  fSensors = AliTPCSensorTemp::ReadTree(tree);
-  fSensors->BypassStreamer(kFALSE);
-  
+  if (entry) {
+    TTree *tree = (TTree*) entry->GetObject();
+    fSensors = AliTPCSensorTemp::ReadTree(tree);
+    fSensors->BypassStreamer(kFALSE);
+  }
 }
 //_____________________________________________________________________________
 AliTPCSensorTempArray::AliTPCSensorTempArray(UInt_t startTime, UInt_t endTime,
@@ -65,8 +66,8 @@ AliTPCSensorTempArray::AliTPCSensorTempArray(UInt_t startTime, UInt_t endTime,
   //
   fSensors = AliTPCSensorTemp::ReadTree(confTree,amandaString);
   fSensors->BypassStreamer(kFALSE);
-  fStartTime = TTimeStamp(startTime);
-  fEndTime   = TTimeStamp(endTime);
+  fStartTime = TTimeStamp((time_t)startTime,0);
+  fEndTime   = TTimeStamp((time_t)endTime,0);
 }
 
 //_____________________________________________________________________________
@@ -122,8 +123,12 @@ void AliTPCSensorTempArray::ReadSensors(const char *dbEntry)
   // Read list of temperature sensors from text file
   //
   AliCDBEntry *entry = AliCDBManager::Instance()->Get(dbEntry);
+  if (!entry) {
+     AliWarning(Form("No OCDB entry  %s available\n",dbEntry));
+     return;
+  }        
   TTree *tree = (TTree*) entry->GetObject();
-  fSensors = AliTPCSensorTemp::ReadTree(tree);
+  if (tree) fSensors = AliTPCSensorTemp::ReadTree(tree);
 
 }