edm::GroupSelector Class Reference

#include <GroupSelector.h>

Public Member Functions
	GroupSelector ()
void	initialize (GroupSelectorRules const &rules, std::vector< BranchDescription const * > const &branchDescriptions)
bool	initialized () const
void	print (std::ostream &os) const
bool	selected (BranchDescription const &desc) const

Private Attributes
std::vector< std::string >	groupsToSelect_
bool	initialized_

Detailed Description

Definition at line 21 of file GroupSelector.h.

Constructor & Destructor Documentation

edm::GroupSelector::GroupSelector

(

)

Definition at line 18 of file GroupSelector.cc.

: groupsToSelect_(), initialized_(false) {}

Member Function Documentation

void edm::GroupSelector::initialize	(	GroupSelectorRules const &	rules,
		std::vector< BranchDescription const * > const &	branchDescriptions
	)

Definition at line 21 of file GroupSelector.cc.

References edm::GroupSelectorRules::applyToAll(), end, groupsToSelect_, initialized_, and edm::sort_all().

Referenced by ShallowTree::beginJob(), edm::RootFile::dropOnInput(), and edm::OutputModule::selectProducts().

                                                                                            {
    typedef GroupSelectorRules::BranchSelectState BranchSelectState;

    // Get a BranchSelectState for each branch, containing the branch
    // name, with its 'select bit' set to false.
    std::vector<BranchSelectState> branchstates;
    {
      branchstates.reserve(branchDescriptions.size());
      
      VCBDP::const_iterator it = branchDescriptions.begin();
      VCBDP::const_iterator end = branchDescriptions.end();
      for (; it != end; ++it) branchstates.push_back(BranchSelectState(*it));
    }

    // 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 name.  The list of branch
    // names must be sorted, for the implementation of 'selected' to
    // work.
    {
      std::vector<BranchSelectState>::const_iterator it = branchstates.begin();
      std::vector<BranchSelectState>::const_iterator end = branchstates.end();
      for (; it != end; ++it) {
      if (it->selectMe) groupsToSelect_.push_back(it->desc->branchName());
      }
      sort_all(groupsToSelect_);
    }
    initialized_ = true;
  }

bool edm::GroupSelector::initialized ( ) const

inline

Definition at line 34 of file GroupSelector.h.

References initialized_.

Referenced by edm::OutputModule::selectProducts().

{return initialized_;}

void edm::GroupSelector::print

(

std::ostream &

os

)

const

Definition at line 66 of file GroupSelector.cc.

References compareJSON::const, edm::copy_all(), and groupsToSelect_.

Referenced by edm::operator<<().

                                           {
    os << "GroupSelector at: "
       << static_cast<void const*>(this)
       << " has "
       << groupsToSelect_.size()
       << " groups to select:\n";      
    copy_all(groupsToSelect_, std::ostream_iterator<std::string>(os, "\n"));
  }

bool edm::GroupSelector::selected

(

BranchDescription const &

desc

)

const

Definition at line 54 of file GroupSelector.cc.

References edm::binary_search_all(), edm::BranchDescription::branchName(), edm::hlt::Exception, groupsToSelect_, initialized_, and edm::errors::LogicError.

Referenced by ShallowTree::beginJob(), edm::RootFile::dropOnInput(), and edm::OutputModule::selected().

                                                                  {
    if (!initialized_) {
      throw edm::Exception(edm::errors::LogicError)
        << "GroupSelector::selected() called prematurely\n"
        << "before the product registry has been frozen.\n";
    }
    // We are to select this 'branch' if its name is one of the ones we
    // have been told to select.
    return binary_search_all(groupsToSelect_, desc.branchName());
  }

Member Data Documentation

std::vector<std::string> edm::GroupSelector::groupsToSelect_

private

Definition at line 47 of file GroupSelector.h.

Referenced by initialize(), print(), and selected().

bool edm::GroupSelector::initialized_

private

Definition at line 48 of file GroupSelector.h.

Referenced by initialize(), initialized(), and selected().