art::GroupSelector Class Reference

#include "GroupSelector.h"

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

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

Detailed Description

Definition at line 27 of file GroupSelector.h.

Constructor & Destructor Documentation

GroupSelector::GroupSelector ( GroupSelectorRules const &  rules, ProductList const &  branchDescriptions  )

explicit

Definition at line 17 of file GroupSelector.cc.

References art::GroupSelectorRules::applyToAll().

{
  using BranchSelectState = GroupSelectorRules::BranchSelectState;

  // Get a BranchSelectState for each branch, containing the branch
  // name, with its 'select bit' set to false.
  vector<BranchSelectState> branchstates;
  branchstates.reserve(branchDescriptions.size());
  for (auto const& pr : branchDescriptions) {
    branchstates.push_back(BranchSelectState{&pr.second});
  }

  // 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.
  for (auto const& state : branchstates) {
    if (state.selectMe) {
      groupsToSelect_.push_back(state.desc);
    }
  }
  sort_all(groupsToSelect_);
}

Member Function Documentation

void GroupSelector::print

(

std::ostream &

os

)

const

Definition at line 52 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 46 of file GroupSelector.cc.

{
  return binary_search_all(groupsToSelect_, &desc);
}

Member Data Documentation

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

private

Definition at line 40 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