concurrency::Trigger Class Reference

A visitor, performing full top-down traversals of a graph. More...

#include <src/PRGraphVisitors.h>

Inheritance diagram for concurrency::Trigger:

Collaboration diagram for concurrency::Trigger:

Public Member Functions
	Trigger (const int &slotNum)
	Constructor. More...
	~Trigger () override
	Destructor. More...
bool	visitEnter (DecisionNode &node) const override
bool	visit (DecisionNode &node) override
bool	visitLeave (DecisionNode &) const override
bool	visitEnter (AlgorithmNode &node) const override
bool	visit (AlgorithmNode &node) override
void	reset () override
Public Member Functions inherited from concurrency::IGraphVisitor
virtual	~IGraphVisitor ()

Additional Inherited Members
Public Attributes inherited from concurrency::IGraphVisitor
int	m_nodesSucceeded
int	m_slotNum

Detailed Description

A visitor, performing full top-down traversals of a graph.

Definition at line 38 of file PRGraphVisitors.h.

Constructor & Destructor Documentation

concurrency::Trigger::Trigger ( const int &  slotNum )

inline

Constructor.

Definition at line 41 of file PRGraphVisitors.h.

                                  {
        m_nodesSucceeded = 0;
        m_slotNum = slotNum;
      };

concurrency::Trigger::~Trigger ( )

inlineoverride

Destructor.

Definition at line 46 of file PRGraphVisitors.h.

{}

Member Function Documentation

void concurrency::Trigger::reset ( )

inlineoverridevirtual

Implements concurrency::IGraphVisitor.

Definition at line 60 of file PRGraphVisitors.h.

{ m_nodesSucceeded = 0; }

bool concurrency::Trigger::visit ( DecisionNode &  node )

overridevirtual

Implements concurrency::IGraphVisitor.

Definition at line 97 of file PRGraphVisitors.cpp.

                                        {

    //std::cout << "1-st level Decision: " << node.getNodeName() << std::endl;
    bool allChildDecisionsResolved = true;
    for (auto child : node.getDaughters()) {
      int& childDecision = child->m_graph->getNodeDecisions(m_slotNum)[child->getNodeIndex()];

      if (childDecision == 1 && node.m_modeOR && node.m_modePromptDecision) {
        node.m_graph->getNodeDecisions(m_slotNum)[node.getNodeIndex()] = 1;
        return true;
      }

      if (childDecision == -1) {
        allChildDecisionsResolved = false;
      }
    }

    if (allChildDecisionsResolved)
      node.m_graph->getNodeDecisions(m_slotNum)[node.getNodeIndex()] = 1;

    return allChildDecisionsResolved;
  }

bool concurrency::Trigger::visit ( AlgorithmNode &  node )

overridevirtual

Implements concurrency::IGraphVisitor.

Definition at line 131 of file PRGraphVisitors.cpp.

                                         {

    bool result = false;

    auto& decisions = node.m_graph->getNodeDecisions(m_slotNum);
    auto& states = node.m_graph->getAlgoStates(m_slotNum);

    // Try to shift an algorithm with I->CF, and then, if successful, with CF->DF
    if (node.promoteToControlReadyState(m_slotNum,states,decisions))
      result = node.promoteToDataReadyState(m_slotNum);

    //returns true only when an algorithm is DF-ready
    // i.e., the visitor reached its final goal with the algorithm
    return result;
  }

bool concurrency::Trigger::visitEnter ( DecisionNode &  node ) const

overridevirtual

Implements concurrency::IGraphVisitor.

Definition at line 89 of file PRGraphVisitors.cpp.

                                                   {

    if (node.m_graph->getNodeDecisions(m_slotNum)[node.getNodeIndex()] != -1)
      return false;
    return true;
  }

bool concurrency::Trigger::visitEnter ( AlgorithmNode &  node ) const

overridevirtual

Implements concurrency::IGraphVisitor.

Definition at line 123 of file PRGraphVisitors.cpp.

                                                    {

    if (node.m_graph->getNodeDecisions(m_slotNum)[node.getNodeIndex()] != -1)
      return false;
    return true;
  }

bool concurrency::Trigger::visitLeave ( DecisionNode &  ) const

inlineoverridevirtual

Implements concurrency::IGraphVisitor.

Definition at line 52 of file PRGraphVisitors.h.

{return true;};

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The documentation for this class was generated from the following files:

• GaudiHive/src/PRGraphVisitors.h
• GaudiHive/src/PRGraphVisitors.cpp