opencog::TargetSet Class Reference

#include <Target.h>

Collaboration diagram for opencog::TargetSet:

Public Member Functions
	TargetSet ()
	~TargetSet ()
void	clear ()
void	emplace (Handle h, Handle hvardecl)
unsigned int	size ()
Target &	select ()
Target &	get (Handle &h)

Private Attributes
std::map< Handle, Target >	_targets_map
AtomSpace	_history_space
unsigned int	_total_selection

Detailed Description

Definition at line 127 of file Target.h.

Constructor & Destructor Documentation

TargetSet::TargetSet

(

)

Constructor.

Definition at line 123 of file Target.cc.

TargetSet::~TargetSet

(

)

Destructor.

Definition at line 131 of file Target.cc.

Member Function Documentation

void TargetSet::clear

(

)

Clear the TargetSet.

Definition at line 139 of file Target.cc.

References _history_space, _targets_map, and opencog::AtomSpace::clear().

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void TargetSet::emplace	(	Handle	h,
		Handle	hvardecl
	)

Add a new Target into the set.

Parameters

h	the atom to which the Target will be created

Definition at line 150 of file Target.cc.

References _history_space, and _targets_map.

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Target & TargetSet::get

(

Handle &

h

)

Get a specific Target.

Parameters

h	the handle of the Target

Returns

a reference to the Target

Definition at line 204 of file Target.cc.

References _targets_map.

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Target & TargetSet::select

(

)

Select a Target from the set using some fitness criteria.

Currently uses the selection count to apply weighted random selection.

XXX TODO use criteria such as

• how many steps from the initial target
• how much was gained on this target the last time it was chosen etc

Returns

a reference to the selected Target

Definition at line 178 of file Target.cc.

References _targets_map, _total_selection, opencog::Target::increment_selection_count(), and python.undocumented.blocksworld::t.

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unsigned int TargetSet::size

(

void

)

Get the size of the TargetSet.

Definition at line 161 of file Target.cc.

References _targets_map.

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Member Data Documentation

AtomSpace opencog::TargetSet::_history_space

private

Definition at line 141 of file Target.h.

std::map<Handle, Target> opencog::TargetSet::_targets_map

private

Definition at line 140 of file Target.h.

unsigned int opencog::TargetSet::_total_selection

private

Definition at line 142 of file Target.h.

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

• opencog/rule-engine/backwardchainer/Target.h
• opencog/rule-engine/backwardchainer/Target.cc