DDQuery Class Reference

Base class for querying for nodes in the DDExpandedView. More...

#include <DDQuery.h>

Public Member Functions
virtual void	addFilter (const DDFilter &, DDLogOp op=DDLogOp::AND)
	DDQuery (const DDCompactView &)
	sets up a query More...
virtual const std::vector < DDExpandedNode > &	exec ()
virtual void	setScope (const DDScope &)
virtual	~DDQuery ()

Protected Attributes
std::vector< std::pair< bool, DDFilter * > >	criteria_
DDExpandedView	epv_
std::vector< DDLogOp >	logOps_
std::vector< DDExpandedNode >	result_
const DDScope *	scope_

Detailed Description

Base class for querying for nodes in the DDExpandedView.

Definition at line 12 of file DDQuery.h.

Constructor & Destructor Documentation

DDQuery::DDQuery

(

const DDCompactView &

cpv

)

sets up a query

Definition at line 4 of file DDQuery.cc.

 :   epv_(cpv), scope_(0)
{ }

DDQuery::~DDQuery ( )

virtual

Definition at line 9 of file DDQuery.cc.

{ }

Member Function Documentation

void DDQuery::addFilter ( const DDFilter &  f, DDLogOp  op = DDLogOp::AND  )

virtual

the standard DDQuery only support one single filter. Memory management of DDFilter* is NOT delegated to DDQuery

Definition at line 16 of file DDQuery.cc.

References criteria_, f, and logOps_.

{
  // cheating a bit with const ....
  // Filters have a non-const ::accept(..) member function to allow
  // a possible internal state change in a particular filter implementation ...
  DDFilter * nonConstFilter = const_cast<DDFilter *>(&f);
  criteria_.push_back(std::make_pair(false,nonConstFilter)); 
  logOps_.push_back(op);
}

const std::vector< DDExpandedNode > & DDQuery::exec ( )

virtual

Definition at line 33 of file DDQuery.cc.

References DDFilter::accept(), AND, begin, criteria_, DDScope::depth(), HLT_FULL_cff::depth, end, epv_, alcazmumu_cfi::filter, DDExpandedView::geoHistory(), logOps_, DDExpandedView::next(), DDExpandedView::reset(), query::result, result_, DTTTrigCorrFirst::run, DDScope::scope(), scope_, DDExpandedView::setScope(), and DDExpandedView::specifics().

{
   result_.clear();
   epv_.reset();
   
   // currently at least one filter must be set, because
   // the query simply consists in applying at least one filter!
   if(criteria_.size()) { // <- remove the 'if' when implementing 'the QUERY'
     int depth = 0;
     bool scoped = false;
     DDScope::scope_type dummy;
     DDScope::scope_type::const_iterator it = dummy.begin();
     DDScope::scope_type::const_iterator it_end = dummy.end();
     if (scope_) {
       const DDScope & sc = *scope_;
       it = sc.scope().begin();
       depth = sc.depth();
       scoped = bool(sc.scope().end()-it);  
     }
     
     bool runonce = scoped ? false : true;
            
     while (runonce || (it != it_end) ) {
        if (scoped) epv_.setScope(*it,depth); // set the subtree-scope & depth within
        bool run = true;
    while(run) {
      std::vector<const DDsvalues_type *> specs = epv_.specifics();
        auto logOpIt = logOps_.begin();
            // loop over all user-supplied criteria (==filters)
            bool result=true;
            for( auto it = begin(criteria_); it != end(criteria_); ++it, ++logOpIt) {
              DDFilter * filter = it->second;
          if (filter->accept(epv_)) {
            it->first=true;
          }
          else {
            it->first=false;
          }
            
          // now do the logical-operations on the results encountered so far:
              if (*logOpIt == DDLogOp::AND) { // AND
                result &= it->first; 
              }
              else { // OR
                result |= it->first;  
              }
        } // <-- loop over filters 
      if (result) {
        // HERE THE ACTUAL QUERY SHOULD BE INVOKED!!!
        result_.push_back(epv_.geoHistory().back());  
      }  
      //} <-- loop over std::vector of specifics_type ...
      run = epv_.next();
    }
        if (scoped)
      ++it;
    else
      runonce=false;    
     } 
   }  
   return result_;
}

void DDQuery::setScope ( const DDScope &  s )

virtual

Definition at line 27 of file DDQuery.cc.

References alignCSCRings::s, and scope_.

{
  scope_ = &s;
}

Member Data Documentation

std::vector<std::pair<bool, DDFilter *> > DDQuery::criteria_

protected

Definition at line 30 of file DDQuery.h.

Referenced by addFilter(), and exec().

DDExpandedView DDQuery::epv_

protected

Definition at line 27 of file DDQuery.h.

Referenced by exec().

std::vector<DDLogOp> DDQuery::logOps_

protected

Definition at line 31 of file DDQuery.h.

Referenced by addFilter(), and exec().

std::vector<DDExpandedNode> DDQuery::result_

protected

Definition at line 32 of file DDQuery.h.

Referenced by exec().

const DDScope* DDQuery::scope_

protected

Definition at line 28 of file DDQuery.h.

Referenced by exec(), and setScope().