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Barcode.hpp
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the newest version in sPHENIX GitHub for file Barcode.hpp
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// This file is part of the Acts project.
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//
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// Copyright (C) 2018-2020 CERN for the benefit of the Acts project
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//
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this
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// file, You can obtain one at http://mozilla.org/MPL/2.0/.
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#pragma once
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#include <cstdint>
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#include "
Acts/Utilities/MultiIndex.hpp
"
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namespace
ActsFatras {
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class
Barcode
:
public
Acts::MultiIndex
<uint64_t, 12, 12, 16, 8, 16> {
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using
Base
=
Acts::MultiIndex<uint64_t, 12, 12, 16, 8, 16>
;
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public
:
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using
Base::Base;
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using
Base::Value
;
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constexpr
Value
vertexPrimary
()
const
{
return
level
(0); }
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constexpr
Value
vertexSecondary
()
const
{
return
level
(1); }
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constexpr
Value
particle
()
const
{
return
level
(2); }
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constexpr
Value
generation
()
const
{
return
level
(3); }
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constexpr
Value
subParticle
()
const
{
return
level
(4); }
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constexpr
Barcode
&
setVertexPrimary
(
Value
id
) {
return
set
(0, id), *
this
; }
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constexpr
Barcode
&
setVertexSecondary
(
Value
id
) {
return
set
(1, id), *
this
; }
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constexpr
Barcode
&
setParticle
(
Value
id
) {
return
set
(2, id), *
this
; }
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constexpr
Barcode
&
setGeneration
(
Value
id
) {
return
set
(3, id), *
this
; }
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constexpr
Barcode
&
setSubParticle
(
Value
id
) {
return
set
(4, id), *
this
; }
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Barcode
makeDescendant
(
Value
sub = 0
u
)
const
{
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return
Barcode
(*this).
setGeneration
(
generation
() + 1).
setSubParticle
(sub);
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}
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};
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}
// namespace ActsFatras
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// specialize std::hash so Barcode can be used e.g. in an unordered_map
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namespace
std {
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template
<>
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struct
hash
<ActsFatras::Barcode> {
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auto
operator()
(
ActsFatras::Barcode
barcode)
const
noexcept {
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return
std::hash<ActsFatras::Barcode::Value>()(barcode.value());
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}
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};
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}
// namespace std
acts
blob
master
Fatras
include
ActsFatras
EventData
Barcode.hpp
Built by
Jin Huang
. updated:
Wed Jun 29 2022 17:24:24
using
1.8.2 with
ECCE GitHub integration