CompositeParticle.cxx

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/*
  Copyright (C) 2002-2018 CERN for the benefit of the ATLAS collaboration
*/
 
// CompositeParticle.cxx 
// Implementation file for class CompositeParticle
// Author: S.Binet<binet@cern.ch>
 
// STL includes
#include <stdexcept>
 
// ParticleEvent includes
#include "ParticleEvent/CompositeParticle.h"
 

// Public methods: 
 
// Constructors
 
/*
CompositeParticle::CompositeParticle() :
  Base_t()
{}
 
CompositeParticle::CompositeParticle( const CompositeParticle& rhs ) :
  Base_t( rhs )
{}
 
CompositeParticle& 
CompositeParticle::CompositeParticle( const CompositeParticle& rhs )
{
  if ( this != &rhs ) {
    Base_t::operator=(rhs);
  }
  return *this;
}
*/

// Const methods: 

bool CompositeParticle::contains (const INavigable4Momentum* particle) const
{
  typedef Base_t::navigable_type navigable_type;
  typedef navigable_type::object_iter object_iter;
  for ( object_iter 
      itr = this->navigableBase().begin(),
      iEnd= this->navigableBase().end();
    itr != iEnd;
    ++itr ) {
    const INavigable4Momentum* o = *itr;
    if ( o == particle ) {
      return true;
    }
  }
  return false;
}

// Non-const methods: 
 
void
CompositeParticle::add( const INav4MomLink& ipart )
{
  // update 4-momentum
  set4Mom( (*ipart)->hlv() + hlv() );
  // update navigation
  putElement( ipart );
}
 
void
CompositeParticle::add( const INav4MomLinkContainer* iparts )
{
  if (iparts) {
    for ( std::size_t i = 0, iEnd = iparts->size(); i != iEnd; ++i ) {
      add( (*iparts)[i] );
    }
  } else {
    throw std::runtime_error("Null pointer to std::vector<INav4MomLink> !");
  }
}
 
void
CompositeParticle::add( const INav4MomLinkContainer& iparts )
{
  for ( std::size_t i = 0, iEnd = iparts.size(); i != iEnd; ++i ) {
    add( iparts[i] );
  }
}
 
void
CompositeParticle::add( const INav4MomLink& p1,
                        const INav4MomLink& p2 )
{
  // update 4-momentum
  set4Mom( (*p1)->hlv() + (*p2)->hlv() + hlv());
 
  // update navigation
  putElement( p1 );
  putElement( p2 );
}
 
void
CompositeParticle::add( const INav4MomLink& p1,
                        const INav4MomLink& p2,
                        const INav4MomLink& p3 )
{
  // update 4-momentum
  set4Mom( (*p1)->hlv() + (*p2)->hlv() + (*p3)->hlv() + hlv());
 
  // update navigation
  putElement( p1 );
  putElement( p2 );
  putElement( p3 );
}
 
void
CompositeParticle::add( const INav4MomLink& p1,
                        const INav4MomLink& p2,
                        const INav4MomLink& p3,
                        const INav4MomLink& p4 )
{
  // update 4-momentum
  set4Mom( (*p1)->hlv() + (*p2)->hlv() + (*p3)->hlv() + (*p4)->hlv() + hlv());
 
  // update navigation
  putElement( p1 );
  putElement( p2 );
  putElement( p3 );
  putElement( p4 );
}

// Protected methods: 

inline
void 
CompositeParticle::putElement( const INav4MomLink& ipart )
{
  INavigable4MomentumCollection::size_type objectIndex = ipart.index();
  const INavigable4MomentumCollection* ipcont = ipart.getStorableObjectPointer();
 
  navigableBase().putElement( ipcont, objectIndex );
}