pat::UserData Class Reference

Base class for data that users can add to pat objects. More...

#include <DataFormats/PatCandidates/interface/UserData.h>

Inheritance diagram for pat::UserData:

List of all members.

Public Member Functions
const void *	bareData () const
virtual UserData *	clone () const =0
	Necessary for deep copy in OwnVector.
template<typename T >
const T *	get () const
	Extract data in a typesafe way. <T> must be the *concrete* type of the data.
virtual const std::type_info &	typeId () const =0
	Concrete type of stored data.
virtual const std::string &	typeName () const =0
	Human readable name of the concrete type of stored data.
	UserData ()
virtual	~UserData ()
Static Public Member Functions
template<typename T >
static std::auto_ptr< UserData >	make (const T &value, bool transientOnly=false)
Protected Member Functions
virtual const void *	data_ () const =0
	Get out the data (can't template non virtual functions)
Static Private Member Functions
static void	checkDictionaries (const std::type_info &type)

---

Detailed Description

Base class for data that users can add to pat objects.

Author:

Sal Rappoccio

Version:

$Id: UserData.h,v 1.01

Definition at line 25 of file UserData.h.

---

Constructor & Destructor Documentation

pat::UserData::UserData

(

)

[inline]

Definition at line 27 of file UserData.h.

{}

virtual pat::UserData::~UserData

(

)

[inline, virtual]

Definition at line 28 of file UserData.h.

{}

---

Member Function Documentation

const void* pat::UserData::bareData

(

)

const [inline]

Get the data as a void *, for CINT usage. COMPLETELY UNSUPPORTED, USE ONLY FOR DEBUGGING

Definition at line 50 of file UserData.h.

References data_().

Referenced by pat::PATObject< reco::Muon >::userDataBare().

{ return data_(); }

void pat::UserData::checkDictionaries

(

const std::type_info &

type

)

[static, private]

Definition at line 6 of file UserData.cc.

References edm::errors::DictionaryNotFound, Exception, edm::TypeID::hasDictionary(), ntuplemaker::status, and typeName().

Referenced by make().

                                                            {
    edm::TypeID edmType(type);
    if (!edmType.hasDictionary()) {
        int status = 0;
        char * demangled = abi::__cxa_demangle(type.name(),  0, 0, &status);
        std::string typeName(status == 0 ? demangled : type.name());
        if ((demangled != 0) && (status == 0)) free(demangled);
        throw edm::Exception(edm::errors::DictionaryNotFound)
            << "   No REFLEX data dictionary found for the following class:\n\t"
            << typeName 
            << "\n   Most likely the dictionary was never generated,\n"
            << "   but it may be that it was generated in the wrong package.\n"
            << "   Please add (or move) the specification\n"
            << "\t<class name=\"" << typeName << "\" />\n"
            << "   to the appropriate classes_def.xml file.\n"
            << "   If the class is a template instance, you may need\n"
            << "   to define a dummy variable of this type in classes.h.\n"
            << "   Also, if this class has any transient members,\n"
            << "   you need to specify them in classes_def.xml.\n";
    } // check for dictionary
}

virtual UserData* pat::UserData::clone

(

)

const [pure virtual]

Necessary for deep copy in OwnVector.

Implemented in pat::UserHolder< T >.

virtual const void* pat::UserData::data_

(

)

const [protected, pure virtual]

Get out the data (can't template non virtual functions)

Implemented in pat::UserHolder< T >.

Referenced by bareData(), and get().

template<typename T >

const T* pat::UserData::get

(

void

)

const [inline]

Extract data in a typesafe way. <T> must be the *concrete* type of the data.

Definition at line 42 of file UserData.h.

References data_(), and typeId().

                                               {
        if (typeid(T) != typeId()) return 0;
        return static_cast<const T *>(data_());
    }

template<typename T >

std::auto_ptr< pat::UserData > pat::UserData::make	(	const T &	value,
		bool	transientOnly = false
	)		[static]

Make a UserData pointer from some value, wrapping it appropriately. It will check for dictionaries, unless 'transientOnly' is true

Definition at line 89 of file UserData.h.

References checkDictionaries(), and relativeConstraints::value.

Referenced by pat::MatcherUsingTracks::produce().

                                                                             {
    if (!transientOnly) {
        checkDictionaries(typeid(T));
        checkDictionaries(typeid(pat::UserHolder<T>));
    }
    return std::auto_ptr<UserData>(new pat::UserHolder<T>(value));  
}

virtual const std::type_info& pat::UserData::typeId

(

)

const [pure virtual]

Concrete type of stored data.

Implemented in pat::UserHolder< T >.

Referenced by get().

virtual const std::string& pat::UserData::typeName

(

)

const [pure virtual]

Human readable name of the concrete type of stored data.

Implemented in pat::UserHolder< T >.

Referenced by checkDictionaries(), and pat::PATObject< reco::Muon >::userDataObjectType().