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https://github.com/moveit/moveit_task_constructor.git
synced 2025-11-04 14:49:57 +08:00
init() throws InitStageException
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@ -37,7 +37,7 @@ public:
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PRIVATE_CLASS(SerialContainer)
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SerialContainer(const std::string& name);
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bool init(const planning_scene::PlanningSceneConstPtr &scene) override;
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void init(const planning_scene::PlanningSceneConstPtr &scene) override;
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bool canCompute() const override;
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bool compute() override;
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@ -50,6 +50,32 @@ private:
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};
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/// exception thrown by Stage::init()
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/// It collects individual errors in stages throughout the pipeline to allow overall error reporting
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class InitStageException : public std::exception {
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friend std::ostream& operator<<(std::ostream &os, const InitStageException& e);
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public:
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explicit InitStageException() {}
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explicit InitStageException(const Stage& stage, const std::string& msg) {
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push_back(stage, msg);
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}
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/// push_back a single new error in stage
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void push_back(const Stage& stage, const std::string& msg);
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/// append all the errors from other (which is emptied)
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void append(InitStageException &other);
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/// check of existing errors
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operator bool() const { return !errors_.empty(); }
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virtual const char* what() const noexcept override;
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private:
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std::list<std::pair<const Stage*, const std::string>> errors_;
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};
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std::ostream& operator<<(std::ostream &os, const InitStageException& e);
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class StagePrivate;
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class Stage {
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friend std::ostream& operator<<(std::ostream &os, const Stage& stage);
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@ -64,7 +90,7 @@ public:
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operator const StagePrivate*() const;
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/// initialize stage once before planning
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virtual bool init(const planning_scene::PlanningSceneConstPtr& scene);
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virtual void init(const planning_scene::PlanningSceneConstPtr& scene);
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const std::string& name() const;
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virtual size_t numSolutions() const = 0;
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@ -83,7 +109,7 @@ class ComputeBasePrivate;
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class ComputeBase : public Stage {
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public:
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PRIVATE_CLASS(ComputeBase)
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bool init(const planning_scene::PlanningSceneConstPtr &scene) override;
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void init(const planning_scene::PlanningSceneConstPtr &scene) override;
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virtual size_t numSolutions() const override;
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protected:
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@ -105,7 +131,7 @@ public:
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enum Direction { FORWARD = 0x01, BACKWARD = 0x02, ANYWAY = FORWARD | BACKWARD};
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void restrictDirection(Direction dir);
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virtual bool init(const planning_scene::PlanningSceneConstPtr &scene) override;
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virtual void init(const planning_scene::PlanningSceneConstPtr &scene) override;
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virtual bool computeForward(const InterfaceState& from) = 0;
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virtual bool computeBackward(const InterfaceState& to) = 0;
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@ -10,7 +10,7 @@ class CurrentState : public Generator {
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public:
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CurrentState(std::string name);
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bool init(const planning_scene::PlanningSceneConstPtr& scene) override;
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void init(const planning_scene::PlanningSceneConstPtr& scene) override;
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bool canCompute() const override;
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bool compute() override;
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@ -18,7 +18,7 @@ class GenerateGraspPose : public Generator {
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public:
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GenerateGraspPose(std::string name);
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bool init(const planning_scene::PlanningSceneConstPtr& scene) override;
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void init(const planning_scene::PlanningSceneConstPtr& scene) override;
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bool canCompute() const override;
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bool compute() override;
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@ -14,7 +14,7 @@ class Gripper : public PropagatingEitherWay {
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public:
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Gripper(std::string name);
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bool init(const planning_scene::PlanningSceneConstPtr &scene);
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void init(const planning_scene::PlanningSceneConstPtr &scene);
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bool computeForward(const InterfaceState& from) override;
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bool computeBackward(const InterfaceState& to) override;
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@ -14,7 +14,7 @@ class Move : public Connecting {
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public:
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Move(std::string name);
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bool init(const planning_scene::PlanningSceneConstPtr &scene);
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void init(const planning_scene::PlanningSceneConstPtr &scene);
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bool compute(const InterfaceState &from, const InterfaceState &to);
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void setGroup(std::string group);
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@ -233,8 +233,10 @@ void SerialContainerPrivate::connect(StagePrivate* prev, StagePrivate* next) {
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next->setPrevEnds(prev->ends());
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}
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bool SerialContainer::init(const planning_scene::PlanningSceneConstPtr &scene)
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void SerialContainer::init(const planning_scene::PlanningSceneConstPtr &scene)
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{
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InitStageException errors;
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auto impl = pimpl();
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// clear queues
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impl->internal_to_my_starts_.clear();
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@ -243,13 +245,20 @@ bool SerialContainer::init(const planning_scene::PlanningSceneConstPtr &scene)
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// recursively init all children
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for (auto& stage : impl->children()) {
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if (!stage->Stage::init(scene) || !stage->init(scene))
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return false;
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try {
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// should be alled by derived classes too, but you never know...
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stage->Stage::init(scene);
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stage->init(scene);
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} catch (InitStageException &e) {
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errors.append(e);
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}
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}
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// we need to have some children to do the actual work
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if (impl->children().empty())
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return false;
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if (impl->children().empty()) {
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errors.push_back(*this, "no children");
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throw errors;
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}
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// initialize starts_ and ends_ interfaces
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auto cur = impl->children().begin();
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@ -288,11 +297,16 @@ bool SerialContainer::init(const planning_scene::PlanningSceneConstPtr &scene)
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}
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// validate connectivity of chain
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for (const Stage::pointer& stage : impl->children())
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if (!stage->pimpl()->validate())
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return false;
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for (const Stage::pointer& stage : impl->children()) {
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try {
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stage->pimpl()->validate();
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} catch (InitStageException &e) {
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errors.append(e);
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}
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}
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return true;
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if (errors)
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throw errors;
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}
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bool SerialContainer::canCompute() const
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@ -11,6 +11,30 @@ SubTrajectory::SubTrajectory(StagePrivate *creator, const robot_trajectory::Robo
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{}
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void InitStageException::push_back(const Stage &stage, const std::string &msg)
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{
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errors_.emplace_back(std::make_pair(&stage, msg));
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}
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void InitStageException::append(InitStageException &other)
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{
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errors_.splice(errors_.end(), other.errors_);
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}
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const char *InitStageException::what() const noexcept
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{
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static const char* msg = "Error initializing stage(s)";
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return msg;
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}
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std::ostream& operator<<(std::ostream &os, const InitStageException& e) {
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os << e.what() << std::endl;
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for (const auto &pair : e.errors_)
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os << pair.first->name() << ": " << pair.second << std::endl;
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return os;
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}
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StagePrivate::StagePrivate(Stage *me, const std::string &name)
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: me_(me), name_(name), parent_(nullptr), prev_ends_(nullptr), next_starts_(nullptr)
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{}
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@ -35,14 +59,17 @@ inline InterfaceFlags StagePrivate::deducedFlags() const
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}
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inline bool implies(bool p, bool q) { return !p || q; }
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bool StagePrivate::validate() const {
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void StagePrivate::validate() const {
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InitStageException errors;
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InterfaceFlags f = announcedFlags();
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if (!implies(f & WRITES_NEXT_START, nextStarts()))
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return false;
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errors.push_back(*me_, "sends forward, but next stage cannot receive");
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if (!implies(f & WRITES_PREV_END, prevEnds()))
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return false;
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return true;
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errors.push_back(*me_, "sends backward, but previous stage cannot receive");
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if (errors) throw errors;
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}
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Stage::Stage(StagePrivate *impl)
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@ -64,14 +91,13 @@ Stage::operator const StagePrivate *() const {
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return pimpl();
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}
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bool Stage::init(const planning_scene::PlanningSceneConstPtr &scene)
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void Stage::init(const planning_scene::PlanningSceneConstPtr &scene)
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{
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auto impl = pimpl();
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if (impl->starts_) impl->starts_->clear();
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if (impl->ends_) impl->ends_->clear();
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impl->prev_ends_ = nullptr;
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impl->next_starts_ = nullptr;
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return true;
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}
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const std::string& Stage::name() const {
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@ -134,9 +160,9 @@ const std::list<SubTrajectory> &ComputeBase::trajectories() const {
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return pimpl()->trajectories_;
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}
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bool ComputeBase::init(const planning_scene::PlanningSceneConstPtr &scene) {
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void ComputeBase::init(const planning_scene::PlanningSceneConstPtr &scene) {
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pimpl()->trajectories_.clear();
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return Stage::init(scene);
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Stage::init(scene);
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}
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@ -274,7 +300,7 @@ void PropagatingEitherWay::restrictDirection(PropagatingEitherWay::Direction dir
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initInterface();
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}
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bool PropagatingEitherWay::init(const planning_scene::PlanningSceneConstPtr &scene)
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void PropagatingEitherWay::init(const planning_scene::PlanningSceneConstPtr &scene)
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{
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auto impl = pimpl();
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if (!impl->nextStarts()) {
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@ -285,7 +311,7 @@ bool PropagatingEitherWay::init(const planning_scene::PlanningSceneConstPtr &sce
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impl->ends_.reset();
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impl->next_end_state_ = Interface::iterator();
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}
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return Stage::init(scene);
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ComputeBase::init(scene);
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}
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void PropagatingEitherWay::sendForward(const InterfaceState& from,
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@ -53,7 +53,7 @@ public:
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inline bool isConnected() const { return prev_ends_ || next_starts_; }
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/// validate that sendForward() and sendBackward() will succeed
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/// should be only called by containers' init() method
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bool validate() const;
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void validate() const;
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inline void setHierarchy(ContainerBasePrivate* parent, container_type::iterator it) {
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parent_ = parent;
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@ -9,11 +9,11 @@ CurrentState::CurrentState(std::string name)
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ran_= false;
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}
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bool CurrentState::init(const planning_scene::PlanningSceneConstPtr &scene)
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void CurrentState::init(const planning_scene::PlanningSceneConstPtr &scene)
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{
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Generator::init(scene);
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scene_ = scene;
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ran_= false;
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return true;
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}
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bool CurrentState::canCompute() const{
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@ -34,10 +34,10 @@ GenerateGraspPose::GenerateGraspPose(std::string name)
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ros::Duration(1.0).sleep();
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}
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bool GenerateGraspPose::init(const planning_scene::PlanningSceneConstPtr &scene)
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void GenerateGraspPose::init(const planning_scene::PlanningSceneConstPtr &scene)
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{
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Generator::init(scene);
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scene_ = scene;
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return true;
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}
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void GenerateGraspPose::setGroup(std::string group){
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@ -17,10 +17,10 @@ Gripper::Gripper(std::string name)
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: PropagatingEitherWay(name)
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{}
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bool Gripper::init(const planning_scene::PlanningSceneConstPtr &scene)
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void Gripper::init(const planning_scene::PlanningSceneConstPtr &scene)
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{
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PropagatingEitherWay::init(scene);
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planner_ = Task::createPlanner(scene->getRobotModel());
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return true;
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}
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void Gripper::setEndEffector(std::string eef){
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@ -18,10 +18,10 @@ Move::Move(std::string name)
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timeout_(5.0)
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{}
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bool Move::init(const planning_scene::PlanningSceneConstPtr &scene)
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void Move::init(const planning_scene::PlanningSceneConstPtr &scene)
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{
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Connecting::init(scene);
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planner_ = Task::createPlanner(scene->getRobotModel());
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return true;
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}
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void Move::setGroup(std::string group){
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@ -119,10 +119,7 @@ bool Task::plan(){
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setSolutionCallback(NewSolutionPublisher());
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impl->initScene();
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if (!this->init(impl->scene_)) {
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ROS_ERROR("init failed");
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return false;
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}
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init(impl->scene_);
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while(ros::ok() && canCompute()) {
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if (compute())
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