Changeset 19760 for trunk/Mars/mfileio

Timestamp:

10/11/19 19:22:02 (5 years ago)

Author:

tbretz

Message:

They are added to the ListOfCleanups. This is implemented as a THashTable. According to the root documentation, it is required to rehash the table whenever the name of an object in the table changes. This is now guranteed if name change happens via SetName

Location:

trunk/Mars/mfileio

Files:

• MWriteRootFile.cc (modified) (2 diffs)
• MWriteRootFile.h (modified) (1 diff)

trunk/Mars/mfileio/MWriteRootFile.cc

@@ -66 +66 @@
 #include <TTree.h>
 #include <TPRegexp.h>
+#include <THashList.h>
 
 #include "MLog.h"
@@ -324 +325 @@
 {
     Close();
+}
+
+void MWriteRootFile::SetName(const char *name)
+{
+    MWriteFile::SetName(name);
+
+    // From the documentation of THashList::THashList
+    //
+    // WARNING !!!
+    // If the name of an object in the HashList is modified, The hashlist
+    // must be Rehashed
+    //
+    auto table = dynamic_cast<THashList*>(gROOT->GetListOfCleanups());
+    if (table)
+        table->Rehash(THashList::kInitHashTableCapacity);
 }
 

trunk/Mars/mfileio/MWriteRootFile.h

@@ -130 +130 @@
     ~MWriteRootFile();
 
+    void SetName(const char *name);
+
     void AddContainer(const char *cname,   const char *tname=NULL, Bool_t must=kTRUE, Long64_t max=-1);
     void AddContainer(MParContainer *cont, const char *tname=NULL, Bool_t must=kTRUE, Long64_t max=-1);