Fix round-robin reading in DigitizationContext::retrieveHits

shahor02 · shahor02 · commit ea165f2c67bc · 2025-03-14T16:21:22.000+01:00
diff --git a/DataFormats/simulation/include/SimulationDataFormat/DigitizationContext.h b/DataFormats/simulation/include/SimulationDataFormat/DigitizationContext.h
@@ -218,6 +218,10 @@ inline void DigitizationContext::retrieveHits(std::vector<TChain*> const& chains
     return;
   }
   br->SetAddress(&hits);
+  auto maxEntries = br->GetEntries();
+  if (maxEntries) {
+    entryID %= maxEntries;
+  }
   br->GetEntry(entryID);
 }
 

Original file line number	Diff line number	Diff line change
`@@ -218,6 +218,10 @@ inline void DigitizationContext::retrieveHits(std::vector<TChain*> const& chains`
`218`	`218`	`return;`
`219`	`219`	`}`
`220`	`220`	`br->SetAddress(&hits);`
	`221`	`+ auto maxEntries = br->GetEntries();`
	`222`	`+ if (maxEntries) {`
	`223`	`+ entryID %= maxEntries;`
	`224`	`+ }`
`221`	`225`	`br->GetEntry(entryID);`
`222`	`226`	`}`
`223`	`227`