Detailed Description

task object for parallel execution. When the reachability structur is computed in parallel threads, we create a tree of task objects that are distributed over threads.

Workflow and dependencies between tasks are managed by a tbb::flow::graph.

Definition at line 553 of file structure.h.

#include <structure.h>

Inherited by frechet::reach::CalculateTask, and frechet::reach::MergeTask.

Public Types
typedef tbb::flow::continue_msg	msg_t
	used to connect nodes in the dependency graph More...

typedef tbb::flow::continue_node< msg_t >	node_t
	a node in the dependency graph More...

Public Member Functions
	StructureTask (Structure *owner)
	constructor with Structure More...

virtual	~StructureTask ()
	destructor More...

virtual void	start ()=0
	abstract method for starting a task More...

Static Public Member Functions
static StructureTask *	createTask (Structure *owner, const frechet::Rect &r, tbb::flow::graph &graph, int concurrency)
	static constructor More...

Public Attributes
Structure *	owner
	the underlying reachability structure More...

node_t *	node
	a node in the dependency graph More...

Member Typedef Documentation

◆ msg_t

typedef tbb::flow::continue_msg frechet::reach::StructureTask::msg_t

used to connect nodes in the dependency graph

Definition at line 581 of file structure.h.

◆ node_t

typedef tbb::flow::continue_node<msg_t> frechet::reach::StructureTask::node_t

a node in the dependency graph

Definition at line 583 of file structure.h.

Constructor & Destructor Documentation

◆ StructureTask()

StructureTask::StructureTask ( Structure * owner )

constructor with Structure

Parameters

owner the underlying reachability structure

Definition at line 296 of file structure.cpp.

◆ ~StructureTask()

StructureTask::~StructureTask ( )

virtual

destructor

Definition at line 300 of file structure.cpp.

Member Function Documentation

◆ createTask()

StructureTask * StructureTask::createTask	(	Structure *	owner,
		const frechet::Rect &	r,
		tbb::flow::graph &	graph,
		int	concurrency
	)

static

static constructor

Parameters

owner	the underlying reachability structure
r	bounding region (columns and rows in free-space)
graph	tbb flow-graph modeling tasks and dependencies
concurrency	number of threads to use

Returns: a newly created task, with all dependecies

Definition at line 304 of file structure.cpp.

◆ start()

virtual void frechet::reach::StructureTask::start ( )

pure virtual

abstract method for starting a task

Implemented in frechet::reach::MergeTask, and frechet::reach::CalculateTask.

Member Data Documentation

◆ node

node_t* frechet::reach::StructureTask::node

a node in the dependency graph

Definition at line 588 of file structure.h.

◆ owner

Structure* frechet::reach::StructureTask::owner

the underlying reachability structure

Definition at line 586 of file structure.h.

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

include/frechet/reachability/structure.h
src/frechet/reachability/structure.cpp