TaskNumber.h

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// This file is part of the ExaParty project. For conditions of distribution and
// use, please see the copyright notice at www.peano-framework.org
#pragma once
 
 
#include <functional>
#include <set>
#include <string>
#include <vector>
 
#include "tarch/multicore/Task.h"
#include "peano4/datamanagement/VertexEnumerator.h"
#include "peano4/datamanagement/VertexMarker.h"
 
 
namespace exaparty {
  struct TaskNumber {
    public:
      enum class TaskAssociation {
        TouchVertexFirstTime = 0,
        TouchCellFirstTime   = 1,
        TouchVertexLastTime  = 2,
        NumberOfEntries      = 3
      };
 
    TaskNumber(int number0, TaskAssociation number1);
 
    static const TaskNumber NoOutDependencies;
 
    std::string toString() const;
 
    tarch::multicore::TaskNumber flatten() const;
 
    bool operator<(const TaskNumber& rhs) const;
    bool equals(const TaskNumber& rhs) const;
 
  private:
    int             _taskCounter;
    TaskAssociation _taskAssociation;
  };
 
  std::string toString(const std::set<TaskNumber>& numbers);
  std::string toString(const TaskNumber numbers[TwoPowerD]);
 
  int           flatten(const TaskNumber& numbers);
  std::set<int> flatten(const std::set<TaskNumber>& numbers);
 
  template <typename Vertex>
  std::set<::exaparty::TaskNumber> getVertexNumbersOfParentVertices(
    const peano4::datamanagement::VertexMarker&      marker,
    peano4::datamanagement::VertexEnumerator<Vertex> coarseGridVertices,
    ::exaparty::TaskNumber::TaskAssociation            taskAssociation
  );
 
  template <typename Vertex>
  std::set<::exaparty::TaskNumber> getVertexNumbersOfParentVertices(
    tarch::la::Vector<Dimensions, int>               position,
    peano4::datamanagement::VertexEnumerator<Vertex> coarseGridVertices,
    ::exaparty::TaskNumber::TaskAssociation            taskAssociation,
    int                                              dimension
  );
 
  using PendingDependencies = std::set<std::pair<::exaparty::TaskNumber, ::exaparty::TaskNumber>>;
 
  std::set<::exaparty::TaskNumber> getDependenciesForTask(
    const ::exaparty::TaskNumber& task, PendingDependencies& pendingDependencies
  );
} // namespace exaparty
 
 
 
bool operator==(const exaparty::TaskNumber& lhs, const exaparty::TaskNumber& rhs);
bool operator!=(const exaparty::TaskNumber& lhs, const exaparty::TaskNumber& rhs);
 
 
#include "TaskNumber.cpph"