The Gaudi Framework  v33r0 (d5ea422b)
concurrency::DecisionUpdater Class Reference

#include <src/PRGraph/Visitors/Promoters.h>

Inheritance diagram for concurrency::DecisionUpdater:
Collaboration diagram for concurrency::DecisionUpdater:

Public Member Functions

 DecisionUpdater (EventSlot &slot, const Cause &cause, bool ifTrace=false)
 Constructor. More...
 
bool visit (AlgorithmNode &) override
 
virtual bool visit (DecisionNode &)
 
virtual bool visit (AlgorithmNode &)
 
virtual bool visit (DataNode &)
 
virtual bool visit (ConditionNode &)
 
- Public Member Functions inherited from concurrency::IGraphVisitor
virtual ~IGraphVisitor ()=default
 
virtual bool visitEnter (DecisionNode &) const
 
virtual bool visit (DecisionNode &)
 
virtual bool visitEnter (AlgorithmNode &) const
 
virtual bool visitEnter (DataNode &) const
 
virtual bool visit (DataNode &)
 
virtual bool visitEnter (ConditionNode &) const
 
virtual bool visit (ConditionNode &)
 
virtual void reset ()
 

Public Attributes

EventSlotm_slot
 
Cause m_cause
 
bool m_trace
 

Detailed Description

Definition at line 48 of file Promoters.h.

Constructor & Destructor Documentation

◆ DecisionUpdater()

concurrency::DecisionUpdater::DecisionUpdater ( EventSlot slot,
const Cause cause,
bool  ifTrace = false 
)
inline

Constructor.

Definition at line 51 of file Promoters.h.

52  : m_slot( &slot ), m_cause( cause ), m_trace( ifTrace ){};

Member Function Documentation

◆ visit() [1/5]

virtual bool concurrency::IGraphVisitor::visit
inline

Definition at line 26 of file IGraphVisitor.h.

26 { return true; };

◆ visit() [2/5]

virtual bool concurrency::IGraphVisitor::visit
inline

Definition at line 35 of file IGraphVisitor.h.

35 { return true; };

◆ visit() [3/5]

virtual bool concurrency::IGraphVisitor::visit
inline

Definition at line 32 of file IGraphVisitor.h.

32 { return true; };

◆ visit() [4/5]

virtual bool concurrency::IGraphVisitor::visit
inline

Definition at line 29 of file IGraphVisitor.h.

29 { return true; };

◆ visit() [5/5]

bool concurrency::DecisionUpdater::visit ( AlgorithmNode node)
overridevirtual

Reimplemented from concurrency::IGraphVisitor.

Definition at line 114 of file Promoters.cpp.

114  {
115 
116  auto& states = m_slot->algsStates;
117  const AState& state = states[node.getAlgoIndex()];
118  int decision = -1;
119 
120  if ( true == node.isOptimist() )
121  decision = 1;
122  else if ( AState::EVTACCEPTED == state )
123  decision = !node.isLiar();
124  else if ( AState::EVTREJECTED == state )
125  decision = node.isLiar();
126 
127  if ( -1 != decision ) {
128 
129  m_slot->controlFlowState[node.getNodeIndex()] = decision;
130 
131  auto promoter = DataReadyPromoter( *m_slot, m_cause, m_trace );
132  for ( const auto& output : node.getOutputDataNodes() )
133  for ( auto& consumer : output->getConsumers() ) consumer->accept( promoter );
134 
135  // propagate decision upward to active regions of the graph
137  auto& parents = node.getParentDecisionHubs();
138  if ( parents.size() == 1 ) {
139  parents[0]->accept( vis );
140  } else if ( m_slot->parentSlot ) {
141  auto scout = SubSlotScout( m_slot, node );
142  for ( auto& p : parents ) {
143  p->accept( scout );
144  if ( scout.reply() ) p->accept( vis );
145  scout.reset();
146  }
147  } else {
148  auto scout = ActiveLineageScout( m_slot, node );
149  for ( auto& p : parents ) {
150  p->accept( scout );
151  if ( scout.reply() ) p->accept( vis );
152  scout.reset();
153  }
154  }
155 
156  return true; // return true only if the algorithm produced a decision
157  }
158 
159  return false;
160  }
AlgsExecutionStates::State AState
Definition: Promoters.cpp:21
std::vector< int > controlFlowState
State of the control flow.
Definition: EventSlot.h:87
EventSlot * parentSlot
Pointer to parent slot (null for top level)
Definition: EventSlot.h:96
AlgsExecutionStates algsStates
Vector of algorithms states.
Definition: EventSlot.h:85

Member Data Documentation

◆ m_cause

Cause concurrency::DecisionUpdater::m_cause

Definition at line 59 of file Promoters.h.

◆ m_slot

EventSlot* concurrency::DecisionUpdater::m_slot

Definition at line 58 of file Promoters.h.

◆ m_trace

bool concurrency::DecisionUpdater::m_trace

Definition at line 60 of file Promoters.h.


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