RootHistCnv::RConverter Class Reference

Root Converter. More...

#include <src/RConverter.h>

Inheritance diagram for RootHistCnv::RConverter:

Collaboration diagram for RootHistCnv::RConverter:

Public Member Functions
virtual StatusCode	createRep (DataObject *pObj, IOpaqueAddress *&refpAddr)
	Convert the transient object to the requested representation. More...
long	repSvcType () const
	Retrieve the class type of the data store the converter uses. More...
StatusCode	error (const std::string &msg)
StatusCode	regTFile (const std::string, const TFile *)
StatusCode	findTFile (const std::string, TFile *&)
std::string	diskDirectory (const std::string &loc)
std::string	directory (const std::string &loc)
void	setDirectory (const std::string &loc)
void	setDiskDirectory (const std::string &loc)
StatusCode	createDirectory (const std::string &loc)
StatusCode	createDiskDirectory (const std::string &loc)
std::string	getDirectory ()
std::string	convertId (const std::string &) const
Public Member Functions inherited from Converter
virtual StatusCode	initialize ()
	Initialize the converter. More...
virtual StatusCode	finalize ()
	Initialize the converter. More...
virtual StatusCode	setDataProvider (IDataProviderSvc *svc)
	Set Data provider service. More...
virtual SmartIF< IDataProviderSvc > &	dataProvider () const
	Get Data provider service. More...
virtual StatusCode	setConversionSvc (IConversionSvc *svc)
	Set conversion service the converter is connected to. More...
virtual SmartIF< IConversionSvc > &	conversionSvc () const
	Get conversion service the converter is connected to. More...
virtual StatusCode	setAddressCreator (IAddressCreator *creator)
	Set address creator facility. More...
virtual SmartIF< IAddressCreator > &	addressCreator () const
	Retrieve address creator facility. More...
virtual const CLID &	objType () const
	Retrieve the class type of objects the converter produces. More...
virtual long	i_repSvcType () const
	Retrieve the class type of the data store the converter uses. More...
virtual StatusCode	createObj (IOpaqueAddress *pAddress, DataObject *&refpObject)
	Create the transient representation of an object. More...
virtual StatusCode	fillObjRefs (IOpaqueAddress *pAddress, DataObject *pObject)
	Resolve the references of the created transient object. More...
virtual StatusCode	updateObj (IOpaqueAddress *pAddress, DataObject *refpObject)
	Update the transient object from the other representation. More...
virtual StatusCode	updateObjRefs (IOpaqueAddress *pAddress, DataObject *pObject)
	Update the references of an updated transient object. More...
virtual StatusCode	fillRepRefs (IOpaqueAddress *pAddress, DataObject *pObject)
	Resolve the references of the converted object. More...
virtual StatusCode	updateRep (IOpaqueAddress *pAddress, DataObject *pObject)
	Update the converted representation of a transient object. More...
virtual StatusCode	updateRepRefs (IOpaqueAddress *pAddress, DataObject *pObject)
	Update the references of an already converted object. More...
	Converter (long storage_type, const CLID &class_type, ISvcLocator *svc=0)
	Standard Constructor. More...
template<class T >
StatusCode	service (const std::string &name, T *&psvc, bool createIf=false) const
	Access a service by name, creating it if it doesn't already exist. More...
template<class T >
StatusCode	service (const std::string &type, const std::string &name, T *&psvc) const
	Access a service by name, type creating it if it doesn't already exist. More...
SmartIF< IService >	service (const std::string &name, const bool createIf=true) const
	Return a pointer to the service identified by name (or "type/name") More...
Public Member Functions inherited from extend_interfaces1< IConverter >
virtual	~extend_interfaces1 ()
	Virtual destructor. More...
Public Member Functions inherited from IConverter
	DeclareInterfaceID (IConverter, 3, 0)
	InterfaceID. More...
virtual	~IConverter ()
	Virtual destructor. More...
Public Member Functions inherited from IInterface
virtual void *	i_cast (const InterfaceID &) const =0
	main cast function More...
virtual std::vector< std::string >	getInterfaceNames () const =0
	Returns a vector of strings containing the names of all the implemented interfaces. More...
virtual unsigned long	addRef ()=0
	Increment the reference count of Interface instance. More...
virtual unsigned long	release ()=0
	Release Interface instance. More...
virtual unsigned long	refCount () const =0
	Current reference count. More...
virtual StatusCode	queryInterface (const InterfaceID &ti, void **pp)=0
	Set the void** to the pointer to the requested interface of the instance. More...
virtual	~IInterface ()
	Virtual destructor. More...

Static Public Member Functions
static long	storageType ()
	Inquire storage type. More...
Static Public Member Functions inherited from IInterface
static const InterfaceID &	interfaceID ()
	Return an instance of InterfaceID identifying the interface. More...

Protected Member Functions
	RConverter (const CLID &clid, ISvcLocator *svc)
	Standard constructor. More...
virtual	~RConverter ()
	Standard destructor. More...
virtual StatusCode	readObject (IOpaqueAddress *pAddr, DataObject *&refpObj)
	Create the transient representation of an object. More...
virtual TObject *	createPersistent (DataObject *pObj)
	Create the persistent representation of an object. More...
StatusCode	createAddress (DataObject *pObject, TDirectory *pDir, TObject *pTObject, IOpaqueAddress *&refpAddr)
	Create address of the transient object according to the requested representation. More...
StatusCode	createAddress (const std::string &rzdir, const CLID &clid, long id, TObject *pTobj, IOpaqueAddress *&refpAddress)
StatusCode	createAddress (const std::string &rzdir, const CLID &clid, const std::string &title, TObject *pTobj, IOpaqueAddress *&refpAddress)
TDirectory *	changeDirectory (DataObject *pObject)
	Switch to object directory (=Parent directory) More...
Protected Member Functions inherited from Converter
virtual	~Converter ()
	Standard Destructor. More...
SmartIF< ISvcLocator > &	serviceLocator () const
	Retrieve pointer to service locator. More...
SmartIF< IMessageSvc > &	msgSvc () const
	Retrieve pointer to message service. More...
SmartIF< IMessageSvc > &	messageService () const
SmartIF< IDataManagerSvc > &	dataManager () const
	Get Data Manager service. More...

Additional Inherited Members
Public Types inherited from Converter
typedef Gaudi::PluginService::Factory< IConverter *, ISvcLocator * >	Factory
Public Types inherited from implements1< IConverter >
typedef implements1	base_class
	Typedef to this class. More...
typedef extend_interfaces1< IConverter >	extend_interfaces_base
	Typedef to the base of this class. More...
typedef extend_interfaces_base::ext_iids	interfaces
	MPL set of all the implemented interfaces. More...
Public Types inherited from extend_interfaces1< IConverter >
typedef IConverter::iid::iids::type	ext_iids
	MPL set of interfaces extended by this one. More...
Public Types inherited from IConverter
enum	Status {   INVALID_ADDRESS = IInterface::LAST_ERROR+1, INVALID_OBJECT, NO_MEMORY, BAD_STORAGE_TYPE,   NO_SOURCE_OBJECT, ICONVERSIONSVC_LAST_ERROR }
	Status code. More...
Public Types inherited from IInterface
enum	Status { SUCCESS = 1, NO_INTERFACE, VERSMISMATCH, LAST_ERROR }
	Return status. More...
typedef Gaudi::InterfaceId< IInterface, 0, 0 >	iid
	Interface ID. More...
typedef mpl::set1< iid >	ext_iids
	Extra interfaces. More...

Detailed Description

Root Converter.

Author

Charles Leggett

Definition at line 34 of file RConverter.h.

Constructor & Destructor Documentation

RootHistCnv::RConverter::RConverter ( const CLID &  clid, ISvcLocator *  svc  )

inlineprotected

Standard constructor.

Definition at line 59 of file RConverter.h.

    : Converter(storageType(), clid, svc)  {    }

virtual RootHistCnv::RConverter::~RConverter ( )

inlineprotectedvirtual

Standard destructor.

Definition at line 62 of file RConverter.h.

{     }

Member Function Documentation

TDirectory * RootHistCnv::RConverter::changeDirectory ( DataObject *  pObject )

protected

Switch to object directory (=Parent directory)

Definition at line 236 of file RConverter.cpp.

{
  if ( pObject )    {
    IRegistry* pReg = pObject->registry();
    if ( pReg )    {
      SmartIF<IDataManagerSvc> dataMgr(dataProvider());
      if ( dataMgr.isValid() )    {
        IRegistry* pParentReg = 0;
        StatusCode status = dataMgr->objectParent(pReg, pParentReg);
        if ( status.isSuccess() )  {
          IOpaqueAddress* pParAddr = pParentReg->address();
          if ( pParAddr )   {
            TDirectory* pParentDir = (TDirectory*)pParAddr->ipar()[0];
            if ( pParentDir )   {
              gDirectory->cd(pParentDir->GetPath());
              return pParentDir;
            }
          }
        }
      }
    }
  }
  return 0;
}

std::string RootHistCnv::RConverter::convertId

(

const std::string &

id

)

const

Definition at line 370 of file RConverter.cpp.

{
  bool forced = false;
  if ( id.size() > 0 && isdigit(id[0]) ) {
    try {
      BooleanProperty tmp;
      tmp.assign(SmartIF<IProperty>(conversionSvc())->getProperty( "ForceAlphaIds"));
      forced = (bool)tmp;
    }
    catch ( ... ) { }
  }
  if (forced )  return std::string("h") + id;
  else          return id;
}

StatusCode RootHistCnv::RConverter::createAddress ( DataObject *  pObject, TDirectory *  pDir, TObject *  pTObject, IOpaqueAddress *&  refpAddr  )

protected

Create address of the transient object according to the requested representation.

Definition at line 171 of file RConverter.cpp.

{
  // Get address again....it does not change
  IRegistry* pReg = pObj->registry();
  if ( 0 != pReg )    {
    refpAddr = pReg->address();
    if ( 0 == refpAddr )    {
      refpAddr = new RootObjAddress(repSvcType(),
                    objType(),
                    pReg->name(),
                    "",
                    (unsigned long)(pDir),
                    (unsigned long)(pTObj),
                    pTObj);

      return StatusCode::SUCCESS;
    }
  }
  return StatusCode::FAILURE;
}

StatusCode RootHistCnv::RConverter::createAddress ( const std::string &  rzdir, const CLID &  clid, long  id, TObject *  pTobj, IOpaqueAddress *&  refpAddress  )

protected

Definition at line 218 of file RConverter.cpp.

{
  std::ostringstream obj; obj << id;
  StatusCode status = createAddress(rzdir, clid, obj.str(), pTobj, refpAddress);
  if ( status.isSuccess() )   {
    unsigned long* ipar = (unsigned long*)refpAddress->ipar();
    ipar[0] = id;
  }
  return status;
}

StatusCode RootHistCnv::RConverter::createAddress ( const std::string &  rzdir, const CLID &  clid, const std::string &  title, TObject *  pTobj, IOpaqueAddress *&  refpAddress  )

protected

Definition at line 197 of file RConverter.cpp.

{
  RootObjAddress* pA = new RootObjAddress(repSvcType(),
                      clid,
                      rzdir,
                      title,
                      0,
                      0,
                      pTObj );

  refpAddress = pA;
  return StatusCode::SUCCESS;
}

StatusCode RootHistCnv::RConverter::createDirectory

(

const std::string &

loc

)

Definition at line 26 of file RConverter.cpp.

{
  MsgStream log(msgSvc(), "RConverter::createDir");

  // Get rid of leading /NTUPLES
  std::string full;
  full = diskDirectory( loc );

  int p,i;
  std::string fil,cur,s;
  TDirectory *gDir;

  gDir = gDirectory;

  TFile *tf;
  if ( findTFile(loc,tf).isSuccess() ) {
    tf->cd();
  }

  std::list<std::string> lpath;
  i = 1;

  if ( (p=full.find(":",0)) != -1 ) {
    fil = full.substr(0,p);
    i = p+1;
    fil += ":/";
    gDirectory->cd(fil.c_str());
  }

  while ( (p = full.find("/",i)) != -1) {
    s = full.substr(i,p-i);
    lpath.push_back(s);
    i = p+1;
  }
  lpath.push_back( full.substr(i,full.length()-i) );

  if ( full.substr(0,1) == "/") {
    gDirectory->cd("/");
  }

  std::list<std::string>::const_iterator litr;
  for(litr=lpath.begin(); litr!=lpath.end(); ++litr) {
    cur = *litr;
    if (! gDirectory->GetKey(litr->c_str()) ) {
      gDirectory->mkdir(litr->c_str());
    }
    gDirectory->cd(litr->c_str());
  }

  gDirectory = gDir;

  return StatusCode::SUCCESS;
}

StatusCode RootHistCnv::RConverter::createDiskDirectory

(

const std::string &

loc

)

TObject * RootHistCnv::RConverter::createPersistent ( DataObject *  pObj )

protectedvirtual

Create the persistent representation of an object.

Reimplemented in RootHistCnv::RHistogramCnv< T, S, Q >.

Definition at line 302 of file RConverter.cpp.

{
  return 0;
}

StatusCode RootHistCnv::RConverter::createRep ( DataObject *  pObj, IOpaqueAddress *&  refpAddr  )

virtual

Convert the transient object to the requested representation.

Reimplemented from Converter.

Reimplemented in RootHistCnv::RFileCnv, RootHistCnv::RNTupleCnv, RootHistCnv::RDirectoryCnv, and RootHistCnv::DirectoryCnv.

Definition at line 264 of file RConverter.cpp.

{
  GlobalDirectoryRestore restore;
  pAddr = 0;
  try   {
    TDirectory* pParentDir = changeDirectory(pObject);
    if ( pParentDir )   {
      TObject* pTObj = createPersistent(pObject);
      if ( pTObj )   {
        pTObj->Write();
        delete pTObj;
        return createAddress(pObject, pParentDir, 0, pAddr);
      }
    }
  }
  catch (...)   {
  }
  MsgStream log (msgSvc(), "RConverter");
  log << MSG::ERROR << "Failed to create persistent Object!" << endmsg;
  return StatusCode::FAILURE;
}

std::string RootHistCnv::RConverter::directory

(

const std::string &

loc

)

Definition at line 113 of file RConverter.cpp.

{
  return ( diskDirectory(loc) );
}

std::string RootHistCnv::RConverter::diskDirectory

(

const std::string &

loc

)

Definition at line 81 of file RConverter.cpp.

{
  // Get rid of leading /NTUPLES/{INPUT_STREAM} or /stat/{INPUT_STREAM}
  std::string dir;
  long lf1 = loc.find("/NTUPLES/");
  long lf2 = loc.find("/stat/");
  long ll;
  if (lf1 != -1) {
    ll = loc.find("/",lf1+9);

  } else if (lf2 != -1) {
    ll = loc.find("/",lf2+6);

  } else {
    MsgStream log(msgSvc(), "RConverter");
    log << MSG::ERROR << "diskDirectory(" << loc << ")"
    << " --> no leading /NTUPLES/ or /stat/" << endmsg;
    return loc;
  }
  //  dir = loc.substr(ll+8,loc.length()-ll-8);

  if (ll == -1) {
    dir = "/";
  } else {
    dir = loc.substr(ll,loc.length()-ll);
  }

  return dir;
}

StatusCode RootHistCnv::RConverter::error

(

const std::string &

msg

)

Definition at line 386 of file RConverter.cpp.

{
  MsgStream log(msgSvc(), "RootHistCnv");
  log << MSG::ERROR << msg << endmsg;
  return StatusCode::FAILURE;
}

StatusCode RootHistCnv::RConverter::findTFile	(	const std::string	id,
		TFile *&	tfile
	)

Definition at line 331 of file RConverter.cpp.

{
  MsgStream log(msgSvc(), "RConverter");
  tfile = 0;

  std::string idm;

  // make sure we only get first two parts of id
  int i1,i2,i3;
  i1 = id.find("/",0);
  if (i1 != 0) {
    log << MSG::ERROR << "Directory name does not start with \"/\": "
    << id << endmsg;
    return StatusCode::FAILURE;
  }
  i2 = id.find("/",i1+1);
  if (i2 == -1) {
    log << MSG::ERROR << "Directory name has only one part: " << id << endmsg;
    return StatusCode::FAILURE;
  }
  i3 = id.find("/",i2+1);
  if (i3 == -1) {
    idm = id;
  } else {
    idm = id.substr(0,i3);
  }

  std::map<std::string,TFile*>::const_iterator imap;
  imap = s_fileMap.find(idm);

  if ( imap == s_fileMap.end() ) {
    return StatusCode::FAILURE;
  }
  tfile = (*imap).second;
  return StatusCode::SUCCESS;
}

std::string RootHistCnv::RConverter::getDirectory

(

)

Definition at line 162 of file RConverter.cpp.

{
  std::string dir = gDirectory->GetPath();
  return (dir);
}

StatusCode RootHistCnv::RConverter::readObject ( IOpaqueAddress *  pAddr, DataObject *&  refpObj  )

protectedvirtual

Create the transient representation of an object.

Definition at line 289 of file RConverter.cpp.

{
//    MsgStream log(msgSvc(), "RConverter::readObject");
//    log << MSG::WARNING << pAddr->par()[0] << " <> " << pAddr->par()[1]
//        << " <> "
//        << pAddr->ipar()[0] << " <> " << pAddr->ipar()[1] << " <> "
//        << pAddr->registry()->identifier() << endmsg;

  return StatusCode::SUCCESS;
}

StatusCode RootHistCnv::RConverter::regTFile	(	const std::string	id,
		const TFile *	tfile
	)

Definition at line 309 of file RConverter.cpp.

{

  MsgStream log(msgSvc(), "RConverter");

  std::map<std::string,TFile*>::const_iterator imap;
  imap = s_fileMap.find(id);

  if ( imap != s_fileMap.end() ) {
    log << MSG::ERROR << "cannot register TTree " << id
        << ": already exists" << endmsg;
    return StatusCode::FAILURE;
  }

  s_fileMap[id] = const_cast<TFile*>(tfile);

  return StatusCode::SUCCESS;
}

long RootHistCnv::RConverter::repSvcType ( ) const

inlinevirtual

Retrieve the class type of the data store the converter uses.

Returns

Class type information about the source data store type the converter will use to retrieve the information.

Implements IConverter.

Definition at line 41 of file RConverter.h.

{         return i_repSvcType();      }

void RootHistCnv::RConverter::setDirectory

(

const std::string &

loc

)

Definition at line 120 of file RConverter.cpp.

{
  MsgStream log(msgSvc(), "RConverter");
  std::string full, id;
  TFile *tf;

  full = diskDirectory( loc );

  // get associated TFile
  if ( findTFile(loc,tf).isSuccess() ) {
    tf->cd();
  } else {
    log << MSG::ERROR << "error getting TFile name " << loc << endmsg;
  }

  int p,i=1;
  std::string cur,sdir;

  gDirectory->cd("/");
  while ( (p = full.find("/",i)) != -1) {
    sdir = full.substr(i,p-i);
    if (! gDirectory->GetKey(sdir.c_str()) ) {
      log << MSG::ERROR << "cannot cd to " << full << " from "
      << gDirectory->GetPath() << endmsg;
      return;
    }
    gDirectory->cd(sdir.c_str());

    i = p+1;
  }
  gDirectory->cd( full.substr(i,full.length()-i).c_str() );
}

void RootHistCnv::RConverter::setDiskDirectory

(

const std::string &

loc

)

Definition at line 155 of file RConverter.cpp.

{
  setDirectory(loc);
}

static long RootHistCnv::RConverter::storageType ( )

inlinestatic

Inquire storage type.

Definition at line 40 of file RConverter.h.

{         return ROOT_StorageType;    }

---

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

• RootHistCnv/src/RConverter.h
• RootHistCnv/src/RConverter.cpp