opencog::FollowLink Class Reference

#include <FollowLink.h>

Collaboration diagram for opencog::FollowLink:

Public Member Functions
Handle	follow_binary_link (const Handle &h, Type ltype)
Handle	backtrack_binary_link (const Handle &h, Type ltype)
Handle	follow_link (const Handle &h, Type ltype, int from, int to)

Private Member Functions
bool	find_link_type (const Handle &h)
bool	pursue_link (const Handle &h)

Private Attributes
Type	link_type
Handle	from_atom
Handle	to_atom
int	position_from
int	position_to
int	cnt

Detailed Description

Definition at line 27 of file FollowLink.h.

Member Function Documentation

Handle opencog::FollowLink::backtrack_binary_link ( const Handle &  h, Type  ltype  )

inline

Definition at line 46 of file FollowLink.h.

References follow_link().

bool opencog::FollowLink::find_link_type ( const Handle &  h )

inlineprivate

Find the (first!, assumed only!?) link of desired type.

Definition at line 75 of file FollowLink.h.

References cnt, opencog::Atom::getType(), link_type, opencog::LinkCast(), pursue_link(), to_atom, and opencog::Handle::UNDEFINED.

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Handle opencog::FollowLink::follow_binary_link ( const Handle &  h, Type  ltype  )

inline

follow_binary_link – follow an ordered, binary link.

Look at the incoming set of this atom. Find the first link of type link_type, then follow this link to see where its going. Its asssumed that there is only one such link, and that its binary. Return a pointer to where the link is going.

Definition at line 41 of file FollowLink.h.

References follow_link().

Handle opencog::FollowLink::follow_link ( const Handle &  h, Type  ltype, int  from, int  to  )

inline

Definition at line 51 of file FollowLink.h.

References find_link_type(), opencog::Atom::foreach_incoming(), from_atom, link_type, position_from, position_to, to_atom, and opencog::Handle::UNDEFINED.

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bool opencog::FollowLink::pursue_link ( const Handle &  h )

inlineprivate

Definition at line 88 of file FollowLink.h.

References cnt, from_atom, position_from, position_to, to_atom, and opencog::Handle::UNDEFINED.

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Member Data Documentation

int opencog::FollowLink::cnt

private

Definition at line 70 of file FollowLink.h.

Handle opencog::FollowLink::from_atom

private

Definition at line 66 of file FollowLink.h.

Type opencog::FollowLink::link_type

private

Definition at line 65 of file FollowLink.h.

int opencog::FollowLink::position_from

private

Definition at line 68 of file FollowLink.h.

int opencog::FollowLink::position_to

private

Definition at line 69 of file FollowLink.h.

Handle opencog::FollowLink::to_atom

private

Definition at line 67 of file FollowLink.h.

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

• opencog/atomutils/FollowLink.h