--- /dev/null
+// Copyright (C) 2020 CEA/DEN, EDF R&D
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License, or (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+//
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+//
+#ifndef ALGORITHMIMPLEMENT_H
+#define ALGORITHMIMPLEMENT_H
+
+#include "WorkloadAlgorithm.hxx"
+#include <set>
+#include <map>
+#include <list>
+
+namespace WorkloadManager
+{
+/**
+ * @todo write docs
+ */
+class DefaultAlgorithm : public WorkloadAlgorithm
+{
+public:
+ void addTask(Task* t)override;
+ void addResource(Resource* r)override;
+ LaunchInfo chooseTask()override;
+ void liberate(const LaunchInfo& info)override;
+ bool empty()const override;
+
+// ----------------------------- PRIVATE ----------------------------- //
+private:
+ class ResourceInfoForContainer
+ {
+ public:
+ ResourceInfoForContainer(const Resource * r, const ContainerType* ctype);
+ unsigned int maxContainers()const;
+ unsigned int alloc();
+ void free(unsigned int index);
+ unsigned int nbRunningContainers()const;
+ bool isContainerRunning(unsigned int index)const;
+ private:
+ const ContainerType* _ctype;
+ const Resource* _resource;
+ std::set<unsigned int> _runningContainers;
+ unsigned int _firstFreeContainer;
+ };
+
+ class ResourceLoadInfo
+ {
+ public:
+ ResourceLoadInfo(const Resource * r);
+ bool isSupported(const ContainerType* ctype)const;
+ bool isAllocPossible(const ContainerType* ctype)const;
+ float cost(const ContainerType* ctype)const;
+ unsigned int alloc(const ContainerType* ctype);
+ void free(const ContainerType* ctype, int index);
+ private:
+ const Resource* _resource;
+ float _load;
+ std::map<const ContainerType*, ResourceInfoForContainer> _ctypes;
+ };
+
+private:
+ std::map<const Resource *, ResourceLoadInfo> _resources;
+ std::list<Task*> _waitingTasks;
+};
+}
+#endif // ALGORITHMIMPLEMENT_H