Acts::ProxyAccessorBase< T, ReadOnly > Struct Template Reference

Utility class that eases accessing dynamic columns in track and track state containers. More...

#include <Acts/EventData/ProxyAccessor.hpp>

Inheritance diagram for Acts::ProxyAccessorBase< T, ReadOnly >:

Public Member Functions
constexpr	ProxyAccessorBase (const std::string &_key)
	Create the accessor from a string key.
constexpr	ProxyAccessorBase (HashedString _key)
	Create the accessor from an already-hashed string key.
template<detail::ProxyType proxy_t>
bool	hasColumn (proxy_t proxy) const
	Check if the stored key exists on the proxy given as an argument.
template<detail::ProxyType proxy_t> requires (ReadOnly)
const T &	operator() (proxy_t proxy) const
	Access the stored key on the proxy given as an argument.
template<detail::MutableProxyType proxy_t> requires (!ReadOnly)
T &	operator() (proxy_t proxy) const
	Access the stored key on the proxy given as an argument.

Public Attributes
HashedString	key
	Hashed string key for data access.

Detailed Description

template<typename T, bool ReadOnly>
struct Acts::ProxyAccessorBase< T, ReadOnly >

Utility class that eases accessing dynamic columns in track and track state containers.

Template Parameters

T	the type of the value to access
ReadOnly	true if this is a const accessor

Constructor & Destructor Documentation

ProxyAccessorBase() [1/2]

template<typename T, bool ReadOnly>

Acts::ProxyAccessorBase< T, ReadOnly >::ProxyAccessorBase ( HashedString _key )

explicitconstexpr

Create the accessor from an already-hashed string key.

Parameters

_key

the key

ProxyAccessorBase() [2/2]

template<typename T, bool ReadOnly>

Acts::ProxyAccessorBase< T, ReadOnly >::ProxyAccessorBase ( const std::string & _key )

explicitconstexpr

Create the accessor from a string key.

Parameters

_key

the key

Member Function Documentation

hasColumn()

template<typename T, bool ReadOnly>

template<detail::ProxyType proxy_t>

bool Acts::ProxyAccessorBase< T, ReadOnly >::hasColumn

(

proxy_t

proxy

)

const

Check if the stored key exists on the proxy given as an argument.

Template Parameters

proxy_t

the type of the proxy

Parameters

proxy

the proxy object to check

Returns

true if the column exists, false otherwise

operator()() [1/2]

template<typename T, bool ReadOnly>

template<detail::ProxyType proxy_t>
requires (ReadOnly)

const T & Acts::ProxyAccessorBase< T, ReadOnly >::operator()

(

proxy_t

proxy

)

const

Access the stored key on the proxy given as an argument.

Const version

Template Parameters

proxy_t

the type of the track proxy

Parameters

proxy

the proxy to access

Returns

const reference to the column behind the key

operator()() [2/2]

template<typename T, bool ReadOnly>

template<detail::MutableProxyType proxy_t>
requires (!ReadOnly)

T & Acts::ProxyAccessorBase< T, ReadOnly >::operator()

(

proxy_t

proxy

)

const

Access the stored key on the proxy given as an argument.

Mutable version

Template Parameters

proxy_t

the type of the proxy

Parameters

proxy

the proxy object to access

Returns

mutable reference to the column behind the key

Member Data Documentation

key

template<typename T, bool ReadOnly>

HashedString Acts::ProxyAccessorBase< T, ReadOnly >::key

Hashed string key for data access.