File indexing completed on 2025-01-05 04:46:57

 /*
     SPDX-FileCopyrightText: 2019 David Faure <faure@kde.org>
 
     SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
 #pragma once
 
 #include "dbexception.h"
 
 namespace Akonadi
 {
 namespace Server
 {
 /**
   This class catches DbDeadlockException (as emitted by QueryBuilder)
   and retries execution of the method when it happens, as required by
   SQL databases.
 */
 class DbDeadlockCatcher
 {
 public:
     template<typename Func>
     explicit DbDeadlockCatcher(Func &&func)
     {
         callFunc(func, 0);
     }
 
 private:
     static const int MaxRecursion = 5;
     template<typename Func>
     void callFunc(Func &&func, int recursionCounter)
     {
         try {
             func();
         } catch (const DbDeadlockException &) {
             if (recursionCounter == MaxRecursion) {
                 throw;
             } else {
                 callFunc(func, ++recursionCounter); // recurse
             }
         }
     }
 };
 
 } // namespace Server
 } // namespace Akonadi