art::GroupSelector Class Reference

#include "GroupSelector.h"

Public Member Functions
	GroupSelector (GroupSelectorRules const &rules, ProductDescriptionsByID const &descriptions)
bool	selected (BranchDescription const &desc) const
void	print (std::ostream &os) const

Private Attributes
std::vector< BranchDescription const * >	groupsToSelect_ {}

Detailed Description

Definition at line 26 of file GroupSelector.h.

Constructor & Destructor Documentation

GroupSelector::GroupSelector ( GroupSelectorRules const &  rules, ProductDescriptionsByID const &  descriptions  )

explicit

Definition at line 16 of file GroupSelector.cc.

References art::GroupSelectorRules::applyToAll(), and util::values().

{
  using BranchSelectState = GroupSelectorRules::BranchSelectState;

  // Get a BranchSelectState for each branch, containing the branch
  // name, with its 'select bit' set to false.
  auto branchstates = descriptions | ::ranges::views::values |
                      ::ranges::views::transform(
                        [](auto const& pd) { return BranchSelectState{&pd}; }) |
                      ::ranges::to<std::vector>();

  // Now apply the rules to the branchstates, in order.  Each rule can
  // override any previous rule, or all previous rules.
  rules.applyToAll(branchstates);

  // For each of the BranchSelectStates that indicates the branch is
  // to be selected, remember the branch.  The list of branch pointers
  // must be sorted for subsequent binary search to work.
  groupsToSelect_ =
    branchstates |
    ::ranges::views::filter([](auto const& state) { return state.selectMe; }) |
    ::ranges::views::transform([](auto const& state) { return state.desc; }) |
    ::ranges::to<std::vector>();
  sort_all(groupsToSelect_);
}

Member Function Documentation

void GroupSelector::print

(

std::ostream &

os

)

const

Definition at line 50 of file GroupSelector.cc.

Referenced by art::operator<<().

{
  os << "GroupSelector at: " << static_cast<void const*>(this) << " has "
     << groupsToSelect_.size() << " groups to select:\n";
  for (auto const& bd_ptr : groupsToSelect_) {
    os << bd_ptr->branchName() << '\n';
  }
}

bool GroupSelector::selected

(

BranchDescription const &

desc

)

const

Definition at line 44 of file GroupSelector.cc.

{
  return binary_search_all(groupsToSelect_, &desc);
}

Member Data Documentation

std::vector<BranchDescription const*> art::GroupSelector::groupsToSelect_ {}

private

Definition at line 39 of file GroupSelector.h.

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

• art/Framework/Core/GroupSelector.h
• art/Framework/Core/GroupSelector.cc