base class for DAG nodes defining interface and basic functionality

#include <dag.hh>

Inherits task.

Public Member Functions
	TDAGNode ()
	default ctor

tbb::task *	execute ()
	overwritten TBB method executed by thread

virtual bool	compute ()=0
	do actual work associated with node; return true if work was finished

void	add_dep (TDAGNode *dep)
	add dependency, e.g. this node requires dep to finish

bool	has_succ () const
	signals, if node has successors

const std::list< TDAGNode * > &	successors () const
	give access to successor list

Protected Member Functions
void	spawn_node (TDAGNode *node)
	spawn given node (for debugging)

void	spawn_succ ()
	spawn ready successors

void	add_succ (TDAGNode *succ)
	add successor; also increasing dependency counter of succ

Public Member Functions

Protected Member Functions