Gaudi Framework, version v20r2

Generated: 18 Jul 2008

PoolDbIOHandler< T > Class Template Reference

#include <PoolDbIOHandler.h>

List of all members.

Detailed Description

template<class T>
class PoolDbIOHandler< T >

Definition at line 14 of file PoolDbIOHandler.h.

Public Member Functions

 PoolDbIOHandler (const TypeH &typ, TClass *c)
 Initializing constructor.
virtual ~PoolDbIOHandler ()
 Standard destructor.
virtual void operator() (TBuffer &b, void *obj)
 ROOT I/O callback.
virtual void get (TBuffer &b, void *obj)
 
Parameters:
obj [IN] Pointer to user object.

virtual void put (TBuffer &b, void *obj)
 
Parameters:
obj [IN] Pointer to user object.

template<>
void get (TBuffer &b, void *obj)
template<>
void put (TBuffer &b, void *obj)
template<>
void get (TBuffer &b, void *obj)
template<>
void put (TBuffer &b, void *obj)
template<>
void get (TBuffer &b, void *obj)
template<>
void put (TBuffer &b, void *obj)
template<>
void get (TBuffer &b, void *obj)
template<>
void put (TBuffer &b, void *obj)

Protected Types

typedef ROOT::Reflex::Type TypeH

Protected Attributes

TypeH m_type
 LCG Reflection type.
TClass * m_root
 ROOT persistent class description.

Member Typedef Documentation

template<class T>
typedef ROOT::Reflex::Type PoolDbIOHandler< T >::TypeH [protected]

Definition at line 16 of file PoolDbIOHandler.h.

Constructor & Destructor Documentation

template<class T>
PoolDbIOHandler< T >::PoolDbIOHandler ( const TypeH &  typ,
TClass *  c 
) [inline]

Initializing constructor.

Definition at line 23 of file PoolDbIOHandler.h.

00023 : m_type(typ), m_root(c) {  }

template<class T>
virtual PoolDbIOHandler< T >::~PoolDbIOHandler (  )  [inline, virtual]

Standard destructor.

Definition at line 26 of file PoolDbIOHandler.h.

00026 {  }

Member Function Documentation

template<class T>
void PoolDbIOHandler< T >::operator() ( TBuffer &  b,
void *  obj 
) [virtual]

ROOT I/O callback.

Definition at line 79 of file PoolDbIOHandler.cpp.

References PoolDbIOHandler< T >::get(), PoolDbIOHandler< T >::m_root, PoolDbIOHandler< T >::put(), and std::exception::what().

00079                                                           {
00080   try {
00081     if ( b.IsReading() )   {
00082       get(b,obj);
00083     }
00084     else  {
00085       put(b,obj);
00086     }
00087   }
00088   catch( const std::exception& e )    {
00089     std::string err = "Class:" + std::string(m_root->GetName()) + "> Exception in object I/O";
00090     err += e.what();
00091     throw std::runtime_error(err);
00092   }
00093   catch( ... )    {
00094     std::string err = "Class:" + std::string(m_root->GetName()) + "> Exception in object I/O";
00095     throw std::runtime_error(err);
00096   }
00097 }

template<class T>
virtual void PoolDbIOHandler< T >::get ( TBuffer &  b,
void *  obj 
) [virtual]

Parameters:
obj [IN] Pointer to user object.

Referenced by PoolDbIOHandler< T >::operator()().

template<class T>
virtual void PoolDbIOHandler< T >::put ( TBuffer &  b,
void *  obj 
) [virtual]

Parameters:
obj [IN] Pointer to user object.

Referenced by PoolDbIOHandler< T >::operator()().

template<>
void PoolDbIOHandler< SmartRefBase >::get ( TBuffer &  b,
void *  obj 
)

Definition at line 100 of file PoolDbIOHandler.cpp.

References SmartRefBase::CONTAINEDOBJECT, count(), std::cout, SmartRefBase::DATAOBJECT, std::endl(), PoolDbIOHandler< T >::m_root, and SmartRefBase::objectType().

00100                                                              {
00101   UInt_t start, count;
00102   SmartRefBase* ref = (SmartRefBase*)obj;
00103   Version_t version = b.ReadVersion(&start, &count, m_root);
00104   m_root->ReadBuffer(b, obj, version, start, count);
00105   switch( ref->objectType() ) {
00106    case SmartRefBase::DATAOBJECT:
00107     {
00108       SmartRef<DataObject>* r = (SmartRef<DataObject>*)obj;
00109       (*r)(*s_currObj);
00110     }
00111     break;
00112   case SmartRefBase::CONTAINEDOBJECT: 
00113    {
00114      SmartRef<ContainedObject>* r = (SmartRef<ContainedObject>*)obj;
00115      (*r)(*s_currObj);
00116    }
00117    break;
00118   default:
00119     std::cout << "Hit uninitialized smartRef!!!!" << std::endl;
00120     break;
00121   }
00122 }

template<>
void PoolDbIOHandler< SmartRefBase >::put ( TBuffer &  b,
void *  obj 
)

Definition at line 125 of file PoolDbIOHandler.cpp.

References LinkManager::addLink(), SmartRefBase::CONTAINEDOBJECT, std::cout, SmartRef< TYPE >::data(), SmartRefBase::DATAOBJECT, std::endl(), SmartRef< TYPE >::hintID(), IRegistry::identifier(), ContainedObject::index(), StreamBuffer::INVALID, last_link_hint, last_link_object, SmartRef< TYPE >::linkID(), DataObject::linkMgr(), PoolDbIOHandler< T >::m_root, SmartRefBase::objectType(), ContainedObject::parent(), DataObject::registry(), s_currObj, and SmartRefBase::set().

00125                                                              {
00126   SmartRefBase* ref = (SmartRefBase*)obj;
00127   SmartRef<DataObject>* r1 = (SmartRef<DataObject>*)ref;
00128   DataObject* curr = *s_currObj;
00129   DataObject* pDO  = r1->data();
00130   int hint = r1->hintID();
00131   int link = r1->linkID();
00132   if ( pDO )  {
00133     switch( ref->objectType() ) {
00134     case SmartRefBase::CONTAINEDOBJECT:
00135       {
00136         SmartRef<ContainedObject>* r2 = (SmartRef<ContainedObject>*)ref;
00137         ContainedObject* p = r2->data();
00138         if ( p )  {
00139           const ObjectContainerBase* parent = p->parent();
00140           if ( parent )  {
00141             link = p->index();
00142             pDO  = const_cast<ObjectContainerBase*>(parent);
00143             break;
00144           }
00145         }
00146       }
00147       pDO = 0;
00148       std::cout << "PoolDbIOHandler<SmartRefBase>::onWrite> "
00149                 << "Found invalid smart reference with object "
00150                 << "having no parent."
00151                 << std::endl;
00152       throw std::runtime_error("PoolDbIOHandler<SmartRefBase>::onWrite> "
00153                                "Found invalid smart reference with object "
00154                                "having no parent.");
00155       break;
00156     case SmartRefBase::DATAOBJECT: 
00157       link = StreamBuffer::INVALID;
00158       break;
00159     default:
00160       break;
00161     }
00162     //if ( pDO == last_link_object && last_link_hint == -1 )  {
00163     //  std::cout << "PoolDbIOHandler<SmartRefBase>::onWrite> "
00164     //            << "Found invalid smart reference."
00165     //            << std::endl;
00166     //}
00167     if ( pDO == last_link_object )  {
00168       ref->set(curr, last_link_hint, link);
00169       m_root->WriteBuffer(b, obj);
00170       return;
00171     }
00172     else if ( pDO ) {
00173       LinkManager* mgr = curr->linkMgr();
00174       IRegistry*   reg = pDO->registry();
00175       if ( reg && mgr )  {
00176         hint = mgr->addLink(reg->identifier(), pDO);
00177         last_link_hint   = hint;
00178         last_link_object = pDO;
00179       }
00180     }
00181     else {
00182       hint = link = StreamBuffer::INVALID;
00183     }
00184   }
00185   //if ( hint == StreamBuffer::INVALID )  {
00186   //  std::cout << "PoolDbIOHandler<SmartRefBase>::onWrite> "
00187   //            << "Found invalid smart reference."
00188   //            << std::endl;
00189   //}
00190   ref->set(curr, hint, link);
00191   m_root->WriteBuffer(b, obj);
00192 }

template<>
void PoolDbIOHandler< ContainedObject >::get ( TBuffer &  b,
void *  obj 
)

Definition at line 195 of file PoolDbIOHandler.cpp.

References count(), PoolDbIOHandler< T >::m_root, s_currObj, and ContainedObject::setParent().

00195                                                                 {
00196   UInt_t start, count;
00197   Version_t version = b.ReadVersion(&start, &count, m_root);
00198   m_root->ReadBuffer(b, obj, version, start, count);
00199   ContainedObject* p = (ContainedObject*)obj;
00200   p->setParent((ObjectContainerBase*)*s_currObj);
00201 }

template<>
void PoolDbIOHandler< ContainedObject >::put ( TBuffer &  b,
void *  obj 
)

Definition at line 204 of file PoolDbIOHandler.cpp.

References PoolDbIOHandler< T >::m_root.

00204                                                                 {
00205   m_root->WriteBuffer(b, obj);
00206 }

template<>
void PoolDbIOHandler< Token >::get ( TBuffer &  b,
void *  obj 
)

Definition at line 233 of file PoolDbIOHandler.cpp.

References count(), getOID_40000(), PoolDbIOHandler< T >::m_root, PoolDbIOHandler< T >::m_type, pool::DataCallBack::notify(), and pool::Token::oid().

00233                                                       {
00234   Token* t = (Token*)obj;
00235   DataCallBack* caller = DbDataHandlerGuard::caller();
00236   Int_t file_version = ((TFile*)b.GetParent())->GetVersion();
00237   if ( file_version >= 40000 ) {
00238     getOID_40000(b, m_root, t->oid());
00239   }
00240   else {
00241     UInt_t start, count, tmp;
00242     Version_t vsn = b.ReadVersion(&start, &count, m_root);
00243     switch(vsn)  {
00244     case 2:
00245       b >> tmp;
00246       b.ReadFastArray(&t->oid().first, 2);
00247       b >> tmp;
00248       break;
00249     default:
00250       b.SetBufferOffset(start+4);
00251       b.ReadFastArray(&t->oid().first, 2);
00252       break;
00253     }
00254   }
00255   if (caller) caller->notify(DataCallBack::GET,DataCallBack::TOKEN,m_type,obj,&t->oid());
00256 }

template<>
void PoolDbIOHandler< Token >::put ( TBuffer &  b,
void *  obj 
)

Definition at line 259 of file PoolDbIOHandler.cpp.

References count(), std::pair< _T1, _T2 >::first, PoolDbIOHandler< T >::m_root, PoolDbIOHandler< T >::m_type, and pool::DataCallBack::notify().

00259                                                       {
00260   Token::OID_t* poid = &(((Token*)obj)->oid());
00261   UInt_t count = b.WriteVersion(m_root, true);
00262   DataCallBack* caller = DbDataHandlerGuard::caller();
00263   if (caller) caller->notify(DataCallBack::PUT,DataCallBack::TOKEN,m_type,obj,poid);
00264   b.WriteFastArray(&poid->first, 2);
00265   b.SetByteCount(count, true);
00266 }

template<>
void PoolDbIOHandler< Reference >::get ( TBuffer &  b,
void *  obj 
)

Definition at line 269 of file PoolDbIOHandler.cpp.

References std::pair< _T1, _T2 >::first, getOID_40000(), PoolDbIOHandler< T >::m_root, PoolDbIOHandler< T >::m_type, and pool::DataCallBack::notify().

00269                                                           {
00270   Token::OID_t oid(~0x0,~0x0);
00271   DataCallBack* caller = DbDataHandlerGuard::caller();
00272   Int_t file_version = ((TFile*)b.GetParent())->GetVersion();
00273   (file_version >= 40000) ? getOID_40000(b, m_root,oid) : b.ReadFastArray(&oid.first, 2);
00274   if (caller) caller->notify(DataCallBack::GET,DataCallBack::REFERENCE,m_type,obj,&oid);
00275 }

template<>
void PoolDbIOHandler< Reference >::put ( TBuffer &  b,
void *  obj 
)

Definition at line 278 of file PoolDbIOHandler.cpp.

References count(), std::pair< _T1, _T2 >::first, PoolDbIOHandler< T >::m_root, PoolDbIOHandler< T >::m_type, and pool::DataCallBack::notify().

00278                                                           {
00279   UInt_t count = b.WriteVersion(m_root, true);
00280   DataCallBack* caller = DbDataHandlerGuard::caller();
00281   Token::OID_t oid(~0x0, ~0x0);
00282   if (caller) caller->notify(DataCallBack::PUT,DataCallBack::REFERENCE,m_type,obj,&oid);
00283   b.WriteFastArray(&oid.first, 2);
00284   b.SetByteCount(count, true);
00285 }

Member Data Documentation

template<class T>
TypeH PoolDbIOHandler< T >::m_type [protected]

LCG Reflection type.

Definition at line 18 of file PoolDbIOHandler.h.

Referenced by PoolDbIOHandler< T >::get(), and PoolDbIOHandler< T >::put().

template<class T>
TClass* PoolDbIOHandler< T >::m_root [protected]

ROOT persistent class description.

Definition at line 20 of file PoolDbIOHandler.h.

Referenced by PoolDbIOHandler< T >::get(), PoolDbIOHandler< T >::operator()(), and PoolDbIOHandler< T >::put().

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