ActionObservationHistoryTree is a wrapper for ActionObservationHistory. More...

#include <ActionObservationHistoryTree.h>

Inheritance diagram for ActionObservationHistoryTree:

Public Member Functions
	ActionObservationHistoryTree (aoh_t nt=A_SUC)
	(default) Constructor More...

	ActionObservationHistoryTree (ActionObservationHistory *const aoh, aoh_t nt=A_SUC)
	Create a joint observation history tree for joh. More...

	ActionObservationHistoryTree (const ActionObservationHistoryTree &a)
	Copy constructor. More...

ActionObservationHistory *	GetActionObservationHistory () const
	Get the history stored in this node. More...

ActionObservationHistoryTree *	GetSuccessor (Index aI, Index oI)
	Get the successor node. More...

void	Print () const

void	SetIndex (Index i)
	Sets the index to i. More...

void	SetSuccessor (Index aI, Index oI, ActionObservationHistoryTree *suc)
	Sets the sucI'th successor of this TreeNode to suc. More...

Public Member Functions inherited from TreeNode< ActionObservationHistory >
bool	ExistsSuccessor (LIndex sucI)
	Check whether a particular successor sucI exists. More...

ActionObservationHistory *	GetContainedElement () const
	Returns a pointer to the contained element (Tcontained) More...

LIndex	GetIndex () const
	Returns the index of this TreeNode (and thus corresponding to the contained element). More...

TreeNode *	GetPredecessor () const
	Get the predecessor TreeNode*. More...

TreeNode *	GetSuccessor (LIndex sucI)
	Get the succesor TreeNode* for the sucI'th successor. More...

void	Print () const
	Prints the tree starting from this node of the history tree (including the successors). More...

void	PrintThisNode () const
	Prints only this node of the history tree (not the successors). More...

void	SetIndex (LIndex i)
	Sets the index to i. More...

void	SetPredeccessor (TreeNode< ActionObservationHistory > *pred)
	Sets the predecessor of this node to be pred. More...

void	SetSuccessor (LIndex sucI, TreeNode< ActionObservationHistory > *suc)
	Sets the sucI'th successor of this TreeNode to suc. More...

	TreeNode ()
	(default) Constructor More...

	TreeNode (ActionObservationHistory *const oh)

	TreeNode (const TreeNode &a)
	Copy constructor. More...

virtual	~TreeNode ()
	Destructor. More...

Private Types
enum	aoh_t { A_SUC, O_SUC }

Private Attributes
aoh_t	_m_nodeType

Additional Inherited Members
Protected Attributes inherited from TreeNode< ActionObservationHistory >
ActionObservationHistory *	_m_containedElem
	The contained element. More...

LIndex	_m_index
	The index of this TreeNode (and thus of the contained Tcontained - typically an observation history). More...

bool	_m_indexValid
	Whether the index is valid. More...

TreeNode < ActionObservationHistory > *	_m_pred
	A Pointer to the predecessor. More...

std::map< LIndex, TreeNode < ActionObservationHistory > * >	_m_successor
	The map that stores the pointers to the successor TreeNodes. More...

Detailed Description

ActionObservationHistoryTree is a wrapper for ActionObservationHistory.

A class derived from TreeNode, and similar to ObservationHistoryTree:

ActionObservationHistoryTree is a class that represents a wrapper for the ActionObservationHistory class. An ActionObservationHistoryTree actually represents a node in the tree of observation histories. But each node also specifies a (sub-)tree so there is no actual difference between a tree and a node. This implementation assumes that ActionObservationHistories are always contained in exactly 1 ActionObservationHistoryTree: i.e., deleting an object of ActionObservationHistoryTree will free the memory of the node and the subtree represented by it as well as the memory of all the contained ActionObservationHistories.

A difference with ObservationHistoryTree is that here a successor is specified by 2 indices. One option would be to combine these into a joint index, but this would add calculation every time we're traversing the tree. Instead this class defines 2 types of nodes: ones that specify the action successor (A_SUC) and ones that specify the observation successor (O_SUC). Only the A_SUC nodes contain actual ActionObservationHistories, O_SUC nodes are 'intermediate nodes' and no operations should be performed on them.