gum::Observation Class Reference

#include <agrum/FMDP/learning/observation.h>

Collaboration diagram for gum::Observation:

Public Member Functions
std::string	toString () const
Constructor & destructor.
	Observation ()
	Default constructor. More...
	~Observation ()
	Default destructor. More...
void *	operator new (size_t s)
	Allocators and Deallocators redefinition. More...
void	operator delete (void *p)
	Default constructor. More...
Observation Handlers
INLINE Idx	modality (const DiscreteVariable *var) const
	Returns the modality assumed by the given variable in this observation. More...
INLINE Idx	rModality (const DiscreteVariable *var) const
	Returns the modality assumed by the given variable in this observation. More...
INLINE void	setModality (const DiscreteVariable *var, Idx modality)
	Sets the modality assumed by the given variable in this observation. More...
INLINE void	setRModality (const DiscreteVariable *var, Idx modality)
	Returns the modality assumed by the given variable in this observation. More...
double	reward () const
	Returns the modality assumed by the given variable in this observation. More...
void	setReward (double reward)
	Returns the modality assumed by the given variable in this observation. More...
Iterators on Variables
HashTableConstIteratorSafe< const DiscreteVariable *, Idx >	cbeginVariablesSafe () const
	Returns an const safe iterator on the beginning of the list of variables in this observation. More...
HashTableConstIteratorSafe< const DiscreteVariable *, Idx >	cendVariablesSafe () const
	Returns an const safe iterator on the end of the list of variables in this observation. More...

Detailed Description

Definition at line 53 of file observation.h.

Constructor & Destructor Documentation

Observation()

gum::Observation::Observation ( )

inline

Default constructor.

Definition at line 63 of file observation.h.

                  {
      GUM_CONSTRUCTOR(Observation);
      ;
    }

~Observation()

gum::Observation::~Observation ( )

inline

Default destructor.

Definition at line 71 of file observation.h.

                   {
      GUM_DESTRUCTOR(Observation);
      ;
    }

Member Function Documentation

cbeginVariablesSafe()

HashTableConstIteratorSafe< const DiscreteVariable*, Idx > gum::Observation::cbeginVariablesSafe ( ) const

inline

Returns an const safe iterator on the beginning of the list of variables in this observation.

Definition at line 139 of file observation.h.

                                                                                           {
      return _varInst_.cbeginSafe();
    }

cendVariablesSafe()

HashTableConstIteratorSafe< const DiscreteVariable*, Idx > gum::Observation::cendVariablesSafe ( ) const

inline

Returns an const safe iterator on the end of the list of variables in this observation.

Definition at line 147 of file observation.h.

                                                                                         {
      return _varInst_.cendSafe();
    }

modality()

INLINE Idx gum::Observation::modality ( const DiscreteVariable *  var ) const

inline

Returns the modality assumed by the given variable in this observation.

Exceptions

NotFound

if variable is not in this observation

Definition at line 98 of file observation.h.

References toString().

{ return _varInst_[var]; }

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operator delete()

void gum::Observation::operator delete ( void *  p )

inline

Default constructor.

Definition at line 80 of file observation.h.

                                   {
      SmallObjectAllocator::instance().deallocate(p, sizeof(Observation));
    }

operator new()

void* gum::Observation::operator new ( size_t  s )

inline

Allocators and Deallocators redefinition.

Definition at line 79 of file observation.h.

{ return SmallObjectAllocator::instance().allocate(s); }

reward()

double gum::Observation::reward ( ) const

inline

Returns the modality assumed by the given variable in this observation.

Exceptions

NotFound

if variable is not in this observation

Definition at line 119 of file observation.h.

References toString().

{ return _reward_; }

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rModality()

INLINE Idx gum::Observation::rModality ( const DiscreteVariable *  var ) const

inline

Returns the modality assumed by the given variable in this observation.

Exceptions

NotFound

if variable is not in this observation

Definition at line 99 of file observation.h.

References toString().

{ return _rInst_[var]; }

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setModality()

INLINE void gum::Observation::setModality ( const DiscreteVariable *  var, Idx  modality  )

inline

Sets the modality assumed by the given variable in this observation.

Exceptions

DuplicateElement

if a value has already be assigned to this variable

Definition at line 109 of file observation.h.

References toString().

                                                                       {
      _varInst_.insert(var, modality);
    }

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setReward()

void gum::Observation::setReward ( double  reward )

inline

Returns the modality assumed by the given variable in this observation.

Exceptions

NotFound

if variable is not in this observation

Definition at line 124 of file observation.h.

References toString().

{ _reward_ = reward; }

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setRModality()

INLINE void gum::Observation::setRModality ( const DiscreteVariable *  var, Idx  modality  )

inline

Returns the modality assumed by the given variable in this observation.

Exceptions

NotFound

if variable is not in this observation

Definition at line 112 of file observation.h.

References toString().

                                                                        {
      _rInst_.insert(var, modality);
    }

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toString()

std::string gum::Observation::toString

(

)

const

Definition at line 26 of file observation.cpp.

References gum::Set< Key, Alloc >::emplace().

Referenced by modality(), reward(), rModality(), setModality(), setReward(), and setRModality().

                                        {
    std::stringstream status;
    for (auto varIter = _varInst_.beginSafe(); varIter != _varInst_.endSafe(); ++varIter)
      if (_rInst_.exists(varIter.key()))
        status << "| " << varIter.key()->name() << " : " << varIter.val() << " -> "
               << _rInst_[varIter.key()] << " |";
    status << std::endl;
    return status.str();
  }

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Member Data Documentation

_reward_

double gum::Observation::_reward_

private

The reward associated to this transition.

Definition at line 159 of file observation.h.

_rInst_

HashTable< const DiscreteVariable*, Idx > gum::Observation::_rInst_

private

Definition at line 156 of file observation.h.

_varInst_

HashTable< const DiscreteVariable*, Idx > gum::Observation::_varInst_

private

Table giving for every variables its instantiation.

Definition at line 155 of file observation.h.

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

• agrum/FMDP/learning/observation.h
• agrum/FMDP/learning/observation.cpp