| # Gaudi Framework, version v21r7p1 |

Home |  | Generated: 15 Feb 2010

# InputCopyStream Class Reference

A small to stream Data I/O. More...

`#include <InputCopyStream.h>`

Inheritance diagram for InputCopyStream:

[legend]
Collaboration diagram for InputCopyStream:

[legend]

List of all members.

## Public Member Functions
| InputCopyStream (const std::string &name, ISvcLocator *pSvcLocator)
| Standard algorithm Constructor.
virtual | ~InputCopyStream ()
| Standard Destructor.
virtual StatusCode | collectLeaves (IRegistry *dir, int level)
| Collect leaves from input file.
virtual StatusCode | collectObjects ()
| Collect all objects to be written tio the output stream.
## Private Attributes
bool | m_takeOptionalFromTES
| Allow optional items to be on TES instead of input file.
## Friends
class | AlgFactory< InputCopyStream >
class | Factory< InputCopyStream, IAlgorithm *(std::string, ISvcLocator *)>

## Detailed Description

A small to stream Data I/O.

Author: M.Frank Version: 1.0

Definition at line 13 of file InputCopyStream.h.

## Constructor & Destructor Documentation

InputCopyStream::InputCopyStream | ( | const std::string & | name,
|  | ISvcLocator * | pSvcLocator |
| ) |  |  |

Standard algorithm Constructor.

Definition at line 20 of file InputCopyStream.cpp.

    00021  : OutputStream(name, pSvcLocator)
    00022 {
    00023   m_doPreLoad      = false;
    00024   m_doPreLoadOpt   = false;
    00025   m_itemNames.push_back("/Event#99999");
    00026   declareProperty("TakeOptionalFromTES", m_takeOptionalFromTES = false,
    00027                   "Allow optional items to be on TES instead of input file") ;
    00028 }

InputCopyStream::~InputCopyStream | ( |  | ) | `[virtual]`

Standard Destructor.

Definition at line 31 of file InputCopyStream.cpp.

    00031                                     {
    00032 }

## Member Function Documentation

StatusCode InputCopyStream::collectLeaves | ( | IRegistry * | dir,
|  | int | level |
| ) |  |  | `[virtual]`

Collect leaves from input file.

Definition at line 35 of file InputCopyStream.cpp.

    00035                                                                       {
    00036   MsgStream log(msgSvc(), name());
    00037   if ( level < m_currentItem->depth() )   {
    00038     if ( dir )  {
    00039       // dir->object != 0, because was retrived in previous recursion
    00040       m_objects.push_back(dir->object());
    00041       if ( dir->address() )  {
    00042         std::vector<IRegistry*> lfs;
    00043         const std::string& dbase = dir->address()->par()[0];
    00044         // Cololect all pending leaves
    00045         StatusCode iret, sc = m_pDataManager->objectLeaves(dir,lfs);
    00046         if ( sc.isSuccess() )  {
    00047           std::vector<IRegistry*>::iterator i=lfs.begin();
    00048           for(; i!=lfs.end(); ++i)  {
    00049             // Continue if the leaf has the same database as the parent
    00050             if ( (*i)->address() && (*i)->address()->par()[0] == dbase )  {
    00051               DataObject* obj = 0;
    00052               iret = m_pDataProvider->retrieveObject(dir, (*i)->name(), obj);
    00053               if (  iret.isSuccess() )  {
    00054                 log << MSG::VERBOSE << "::collectLeaves Success retrieving " << (*i)->name() << endmsg ;
    00055                 iret = collectLeaves(*i, level+1);
    00056               }
    00057               if ( !iret.isSuccess() )  {
    00058                 log << MSG::VERBOSE << "::collectLeaves Failure retrieving " << (*i)->name() << endmsg ;
    00059                 sc = iret;
    00060               }
    00061             }
    00062           }
    00063         }
    00064         return sc;
    00065       }
    00066     }
    00067     return StatusCode::FAILURE;
    00068   }
    00069   return StatusCode::SUCCESS;
    00070 }

StatusCode InputCopyStream::collectObjects | ( |  | ) | `[virtual]`

Collect all objects to be written tio the output stream.

Reimplemented from OutputStream.

Definition at line 73 of file InputCopyStream.cpp.

    00073                                              {
    00074   MsgStream log(msgSvc(), name());
    00075   StatusCode status = StatusCode::SUCCESS;
    00076   Items::iterator i;
    00077   // Traverse the tree and collect the requested objects
    00078   for ( i = m_itemList.begin(); i != m_itemList.end(); i++ )    {
    00079     DataObject* obj = 0;
    00080     m_currentItem = (*i);
    00081     log << MSG::VERBOSE << "::collectObjects Looping over mandatory " << m_currentItem->path() << endmsg ;
    00082     StatusCode iret = m_pDataProvider->retrieveObject(m_currentItem->path(), obj);
    00083     if ( iret.isSuccess() )  {
    00084       log << MSG::VERBOSE << "::collectObjects Success retrieving mandatory " << (*i)->path() << endmsg ;
    00085       iret = collectLeaves(obj->registry(), 0);
    00086     }
    00087     if ( !iret.isSuccess() )  {
    00088       log << MSG::ERROR << "Cannot write mandatory object(s) (Not found) "
    00089           << m_currentItem->path() << endmsg;
    00090       status = iret;
    00091     }
    00092   }
    00093   // Traverse the tree and collect the requested objects (tolerate missing itmes here)
    00094   for ( i = m_optItemList.begin(); i != m_optItemList.end(); i++ )    {
    00095     DataObject* obj = 0;
    00096     m_currentItem = (*i);
    00097     StatusCode iret = m_pDataProvider->retrieveObject(m_currentItem->path(), obj);
    00098     if ( iret.isSuccess() )  {
    00099       log << MSG::VERBOSE << "::collectObjects Success retrieving optional " << (*i)->path() << endmsg ;
    00100       if ( m_takeOptionalFromTES ){ // look into TES
    00101         iret = m_pDataManager->traverseSubTree(obj, m_agent);
    00102       } else { // look only at DST
    00103         iret = collectLeaves(obj->registry(), 0);
    00104       }
    00105     }
    00106     if ( !iret.isSuccess() )    {
    00107       log << MSG::DEBUG << "Ignore request to write non-mandatory object(s) "
    00108           << m_currentItem->path() << endmsg;
    00109     }
    00110   }
    00111   return status;
    00112 }

## Friends And Related Function Documentation

friend class AlgFactory< InputCopyStream >`[friend]`

Definition at line 14 of file InputCopyStream.h.

friend class Factory< InputCopyStream, IAlgorithm *(std::string, ISvcLocator *)>`[friend]`

Definition at line 15 of file InputCopyStream.h.

## Member Data Documentation

bool InputCopyStream::m_takeOptionalFromTES`[private]`

Allow optional items to be on TES instead of input file.

Definition at line 29 of file InputCopyStream.h.

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

- /afs/cern.ch/sw/Gaudi/releases/GAUDI/GAUDI_v21r7p1/GaudiSvc/src/PersistencySvc/InputCopyStream.h
- /afs/cern.ch/sw/Gaudi/releases/GAUDI/GAUDI_v21r7p1/GaudiSvc/src/PersistencySvc/InputCopyStream.cpp