EvtCollectionStream Class Reference

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

#include <EvtCollectionStream.h>

Inheritance diagram for EvtCollectionStream:

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Collaboration diagram for EvtCollectionStream:

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List of all members.

Public Member Functions
virtual StatusCode	initialize ()
	Initialize EvtCollectionStream.
virtual StatusCode	finalize ()
	Terminate EvtCollectionStream.
virtual StatusCode	execute ()
	Working entry point.
Protected Member Functions
	EvtCollectionStream (const std::string &name, ISvcLocator *pSvcLocator)
	Standard algorithm Constructor.
virtual	~EvtCollectionStream ()
	Standard Destructor.
void	clearItems ()
	Clear item list.
void	addItem (const std::string &descriptor)
	Add item to output stramer list.
Protected Attributes
SmartIF< INTupleSvc >	m_pTupleSvc
	Reference to Tuple service for event collection (may or may not be NTuple service).
std::string	m_storeName
	Name of the service managing the data store.
ItemNames	m_itemNames
	Vector of item names.
Items	m_itemList
	Vector of items to be saved to this stream.
Private Types
typedef std::vector< std::string >	ItemNames
typedef std::vector < DataStoreItem * >	Items
Friends
class	AlgFactory< EvtCollectionStream >
class	Factory< EvtCollectionStream, IAlgorithm *(std::string, ISvcLocator *)>

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Detailed Description

A small to stream Data I/O.

Author: M.Frank Version: 1.0

Definition at line 29 of file EvtCollectionStream.h.

---

Member Typedef Documentation

typedef std::vector<std::string> EvtCollectionStream::ItemNames [private]

Definition at line 33 of file EvtCollectionStream.h.

typedef std::vector<DataStoreItem*> EvtCollectionStream::Items [private]

Definition at line 34 of file EvtCollectionStream.h.

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Constructor & Destructor Documentation

EvtCollectionStream::EvtCollectionStream	(	const std::string &	name,
		ISvcLocator *	pSvcLocator
	)			[protected]

Standard algorithm Constructor.

Definition at line 25 of file EvtCollectionStream.cpp.

: Algorithm(name, pSvcLocator)
{
  m_storeName = "TagCollectionSvc";
  declareProperty("ItemList",   m_itemNames);
  declareProperty("EvtDataSvc", m_storeName);
}

EvtCollectionStream::~EvtCollectionStream

(

)

[protected, virtual]

Standard Destructor.

Definition at line 34 of file EvtCollectionStream.cpp.

                                            {
}

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Member Function Documentation

void EvtCollectionStream::clearItems

(

)

[protected]

Clear item list.

Definition at line 80 of file EvtCollectionStream.cpp.

                                         {
  for ( Items::iterator i = m_itemList.begin(); i != m_itemList.end(); i++ )    {
    delete (*i);
  }
  m_itemList.erase(m_itemList.begin(), m_itemList.end());
}

void EvtCollectionStream::addItem

(

const std::string &

descriptor

)

[protected]

Add item to output stramer list.

Definition at line 88 of file EvtCollectionStream.cpp.

                                                               {
  MsgStream log(msgSvc(), name());
  int sep = descriptor.rfind("#");
  int level = 0;
  std::string obj_path (descriptor,0,sep);
  std::string slevel   (descriptor,sep+1,descriptor.length());
  if ( slevel == "*" )  {
    level = 9999999;
  }
  else   {
    level = ::atoi(slevel.c_str());
  }
  DataStoreItem* item = new DataStoreItem(obj_path, level);
  log << MSG::INFO << "Adding OutputStream item " << item->path()
      << " with " << item->depth()
      << " level(s)." << endmsg;
  m_itemList.push_back( item );
}

StatusCode EvtCollectionStream::initialize

(

)

[virtual]

Initialize EvtCollectionStream.

Reimplemented from Algorithm.

Definition at line 38 of file EvtCollectionStream.cpp.

                                           {
  MsgStream log(msgSvc(), name());
  // Use the Job options service to set the Algorithm's parameters
  setProperties();
  // Get access to the DataManagerSvc
  m_pTupleSvc = serviceLocator()->service(m_storeName);
  if( !m_pTupleSvc.isValid() ) {
    log << MSG::FATAL << "Unable to locate IDataManagerSvc interface" << endmsg;
    return StatusCode::FAILURE;
  }
  // Clear the item list
  clearItems();
  // Take the new item list from the properties.
  for(ItemNames::iterator i = m_itemNames.begin(); i != m_itemNames.end(); i++)   {
    addItem( *i );
  }
  log << MSG::INFO << "Data source:             " << m_storeName  << endmsg;
  return StatusCode::SUCCESS;
}

StatusCode EvtCollectionStream::finalize

(

void

)

[virtual]

Terminate EvtCollectionStream.

Reimplemented from Algorithm.

Definition at line 59 of file EvtCollectionStream.cpp.

                                            {
  m_pTupleSvc = 0; // release
  clearItems();
  return StatusCode::SUCCESS;
}

StatusCode EvtCollectionStream::execute

(

)

[virtual]

Working entry point.

Definition at line 66 of file EvtCollectionStream.cpp.

                                        {
  StatusCode status = (m_pTupleSvc) ? StatusCode::SUCCESS : StatusCode::FAILURE;
  if ( status.isSuccess() )   {
    for ( Items::iterator i = m_itemList.begin(); i != m_itemList.end(); i++ )    {
      StatusCode iret = m_pTupleSvc->writeRecord((*i)->path());
      if ( !iret.isSuccess() )    {
        status = iret;
      }
    }
  }
  return status;
}

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Friends And Related Function Documentation

friend class AlgFactory< EvtCollectionStream > [friend]

Definition at line 30 of file EvtCollectionStream.h.

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

Definition at line 31 of file EvtCollectionStream.h.

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Member Data Documentation

SmartIF<INTupleSvc> EvtCollectionStream::m_pTupleSvc [protected]

Reference to Tuple service for event collection (may or may not be NTuple service).

Definition at line 37 of file EvtCollectionStream.h.

std::string EvtCollectionStream::m_storeName [protected]

Name of the service managing the data store.

Definition at line 39 of file EvtCollectionStream.h.

ItemNames EvtCollectionStream::m_itemNames [protected]

Vector of item names.

Definition at line 41 of file EvtCollectionStream.h.

Items EvtCollectionStream::m_itemList [protected]

Vector of items to be saved to this stream.

Definition at line 43 of file EvtCollectionStream.h.

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

• /afs/cern.ch/sw/Gaudi/releases/GAUDI/GAUDI_v21r8/GaudiSvc/src/PersistencySvc/EvtCollectionStream.h
• /afs/cern.ch/sw/Gaudi/releases/GAUDI/GAUDI_v21r8/GaudiSvc/src/PersistencySvc/EvtCollectionStream.cpp