PyDataHeader Class Reference

A wrapper for DataHeader. More...

#include <PyDataHeader.h>

Collaboration diagram for PyDataHeader:

Public Member Functions
	PyDataHeader ()
virtual	~PyDataHeader ()
int	size ()
	get number of elements More...
std::string	getName (int index)
	get class name of Nth element More...
std::string	getKey (int index)
	get key of Nth element More...

Private Attributes
std::vector< const DataHeaderElement * >	m_DataHeaderElementV
	cash for DataHeaderElements More...
ServiceHandle< IClassIDSvc >	m_classIDSvc {"ClassIDSvc", "PyDataHeader"}
	class ID service More...

Detailed Description

A wrapper for DataHeader.

Author

Tadashi Maeno

Definition at line 25 of file PyDataHeader.h.

Constructor & Destructor Documentation

PyDataHeader()

PyDataHeader::PyDataHeader ( )

inline

Definition at line 28 of file PyDataHeader.h.

                  : m_DataHeaderElementV(0)
  {
    MsgStream log(Athena::getMessageSvc(), "PyDataHeader");
 
    // get StoreGate
    SmartIF<StoreGateSvc> pSvc{ Gaudi::svcLocator()->service("StoreGateSvc") };
    if (!pSvc)
      log << MSG::ERROR << "could not get StoreGateSvc" << endmsg;
    else
      {
    // retrieve DataHeader
        SG::ConstIterator<DataHeader> beg; 
        SG::ConstIterator<DataHeader> ending; 
    StatusCode sc = pSvc->retrieve(beg,ending);
    if (sc.isFailure() || beg==ending)
      log << MSG::ERROR << "could not get DataHeader" << endmsg;
    else
      {
        // cache DataHeaderElement
        for (; beg != ending; ++beg)
          {
        const DataHeader &dh = *beg;
        std::vector<DataHeaderElement>::const_iterator it = dh.begin();
        for (; it != dh.end(); ++it)
          m_DataHeaderElementV.push_back(&*it);
          }
      }
      }
 
    if (m_classIDSvc.retrieve().isFailure())
      log << MSG::ERROR << "could not get ClassIDSvc" << endmsg;
  }

~PyDataHeader()

virtual PyDataHeader::~PyDataHeader ( )

inlinevirtual

Definition at line 61 of file PyDataHeader.h.

{}

Member Function Documentation

getKey()

std::string PyDataHeader::getKey ( int  index )

inline

get key of Nth element

Definition at line 97 of file PyDataHeader.h.

  {
    if (index >= size()) return "";
    std::vector<const DataHeaderElement *>::iterator it = m_DataHeaderElementV.begin();
    it += index;
    return (*it)->getKey();
  }

getName()

std::string PyDataHeader::getName ( int  index )

inline

get class name of Nth element

Definition at line 67 of file PyDataHeader.h.

  {
    if (index >= size()) return "";
    std::vector<const DataHeaderElement *>::iterator it = m_DataHeaderElementV.begin();
    it += index;
 
    // look for non-symlink name
    std::string name="";
    for (CLID clid : (*it)->getClassIDs())
      {
    // convert CLID to class name
    std::string localName;
    StatusCode sc = m_classIDSvc->getTypeNameOfID (clid, localName);
    if (sc.isFailure())
      {
        MsgStream log(Athena::getMessageSvc(), "PyDataHeader");
        log << MSG::ERROR << "could not get TypeName for " << clid << endmsg;
        return "";
      }
    // select non-symlink
    if ((name == "") || 
        ((localName != "ParticleBaseContainer") && 
         (localName != "IParticleContainer") &&
         (localName != "INavigable4MomentumCollection")))
      name = localName;
      }
    return name;
  }

size()

int PyDataHeader::size ( )

inline

get number of elements

Definition at line 64 of file PyDataHeader.h.

{ return m_DataHeaderElementV.size(); }

Member Data Documentation

m_classIDSvc

ServiceHandle<IClassIDSvc> PyDataHeader::m_classIDSvc {"ClassIDSvc", "PyDataHeader"}

private

class ID service

Definition at line 110 of file PyDataHeader.h.

m_DataHeaderElementV

std::vector<const DataHeaderElement *> PyDataHeader::m_DataHeaderElementV

private

cash for DataHeaderElements

Definition at line 107 of file PyDataHeader.h.

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

• PyDataHeader.h