IDTPM2::HadronAncestorFinder< T > Class Template Reference

allows more sophisticated selection predicates that use class functions, such as isBottomHadron() etc, rather than MC::isBottomHadron( t ) which woudl seem to be justified since people unacccountably like to use MC::isTau( ... ) etc More...

#include <AncestorFinder.h>

Inheritance diagram for IDTPM2::HadronAncestorFinder< T >:

Collaboration diagram for IDTPM2::HadronAncestorFinder< T >:

Public Types
using	Predicate = bool (T::*)() const

Public Member Functions
	HadronAncestorFinder (Predicate p)
bool	predicate (const T *t) const override
const T *	findAncestor (const T *t) const

Private Attributes
Predicate	m_predicate

Detailed Description

template<typename T>
class IDTPM2::HadronAncestorFinder< T >

allows more sophisticated selection predicates that use class functions, such as isBottomHadron() etc, rather than MC::isBottomHadron( t ) which woudl seem to be justified since people unacccountably like to use MC::isTau( ... ) etc

Definition at line 196 of file AncestorFinder.h.

Member Typedef Documentation

Predicate

template<typename T>

using IDTPM2::HadronAncestorFinder< T >::Predicate = bool (T::*)() const

Definition at line 200 of file AncestorFinder.h.

Constructor & Destructor Documentation

HadronAncestorFinder()

template<typename T>

IDTPM2::HadronAncestorFinder< T >::HadronAncestorFinder ( Predicate p )

inline

Definition at line 202 of file AncestorFinder.h.

: m_predicate(p) { }   

Member Function Documentation

findAncestor()

template<typename T>

const T * IDTPM2::IFinder< T >::findAncestor ( const T * t ) const

inlineinherited

successful stopping condition ...

isn't recursion great boys and girls ?

Definition at line 33 of file AncestorFinder.h.

                                          {
 
    // reached the end ...
    if (!t) return 0;

    if ( predicate(t) ) return t;
 
    for ( size_t p=0 ; p<t->nParents() ; p++ ) {
        const T* parent = t->parent(p);
 
        if ( parent==t ) continue;

        if ( const T* found = findAncestor(parent) ) return found;
    }
 
    return 0;
  }

predicate()

template<typename T>

bool IDTPM2::HadronAncestorFinder< T >::predicate ( const T * t ) const

inlineoverridevirtual

Implements IDTPM2::IFinder< T >.

Definition at line 204 of file AncestorFinder.h.

{ return (t->*m_predicate)(); } 

Member Data Documentation

m_predicate

template<typename T>

Predicate IDTPM2::HadronAncestorFinder< T >::m_predicate

private

Definition at line 208 of file AncestorFinder.h.

---

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

• AncestorFinder.h