| # Gaudi Framework, version v22r2 |

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# EventSelectorDataStream Class Reference

Definition of class EventSelectorDataStream. More...

`#include <EventSelectorDataStream.h>`

Inheritance diagram for EventSelectorDataStream:
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Collaboration diagram for EventSelectorDataStream:
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List of all members.

## Public Types
typedef std::vector < StringProperty > | Properties
## Public Member Functions
| EventSelectorDataStream (const std::string &nam, const std::string &def, ISvcLocator *svcloc)
| Standard Constructor.
virtual void | setSelector (IEvtSelector *pSelector)
| Attach event selector object.
virtual StatusCode | initialize ()
| Parse input criteria.
virtual StatusCode | finalize ()
| Finalize stream and release resources.
StringProperty * | property (const std::string &nam)
| Allow access to individual properties by name.
const StringProperty * | property (const std::string &nam) const
| Allow access to individual properties by name (CONST)
const Properties & | properties ()
| Access properties.
const std::string & | name () const
| Retrieve stream name.
const std::string & | criteria () const
| Retrieve stream criteria.
const std::string & | dbName () const
| Retrieve stream dbName.
const std::string & | selectorType () const
| Retrieve event selector type.
const std::string & | definition () const
| Retrieve definition string.
IEvtSelector * | selector () const
| Retrieve event selector object.
bool | isInitialized () const
| Check initialization status.
## Protected Member Functions
virtual | ~EventSelectorDataStream ()
| Standard Destructor.
## Protected Attributes
std::string | m_name
| Name.
std::string | m_definition
| Definition string.
std::string | m_criteria
| Criteria.
std::string | m_dbName
| String with name of the db as parsed.
std::string | m_selectorType
| Event selector type.
IEvtSelector * | m_pSelector
| Pointer to valid selector.
ISvcLocator * | m_pSvcLocator
| Reference to service locator.
Properties * | m_properties
| Properties vector.
bool | m_initialized
| Initialization state.
## Friends
MsgStream & | operator<< (MsgStream &s, const EventSelectorDataStream &obj)
| Output friend for MsgStream.
std::ostream & | operator<< (std::ostream &s, const EventSelectorDataStream &obj)
| Output friend for standard I/O.

## Detailed Description

Definition of class EventSelectorDataStream.

Small class which eases the management of multiple input streams for the event selector.

History: +---------+----------------------------------------------+------------+ | Date | Comment | Who | +---------+----------------------------------------------+------------+ | 3/10/00 | Initial version | M.Frank | +---------+----------------------------------------------+------------+ | 4/09/09 | Added m_dbName and dbName() | R. Lambert | +---------+----------------------------------------------+------------+

Author:
  Markus Frank
  R. Lambert

Version:
  1.0

Definition at line 45 of file EventSelectorDataStream.h.

## Member Typedef Documentation

typedef std::vector< StringProperty > EventSelectorDataStream::Properties

Definition at line 51 of file EventSelectorDataStream.h.

## Constructor & Destructor Documentation

EventSelectorDataStream::~EventSelectorDataStream | ( | ) | `[protected, virtual]`

Standard Destructor.

Definition at line 50 of file EventSelectorDataStream.cpp.

                                                        {
      setSelector(0);
      delete m_properties;
    }

EventSelectorDataStream::EventSelectorDataStream | ( | const std::string & | nam,
|  | const std::string & | def,
|  | ISvcLocator * | svcloc
| ) |  |

Standard Constructor.

Definition at line 39 of file EventSelectorDataStream.cpp.

    : m_pSelector(0),
      m_pSvcLocator(svcloc)
    {
      m_name = nam;
      m_definition = def;
      m_initialized = false;
      m_properties = new Properties();
    }

## Member Function Documentation

const std::string& EventSelectorDataStream::criteria | ( | ) | const`[inline]`

Retrieve stream criteria.

Definition at line 95 of file EventSelectorDataStream.h.

                                            {
        return m_criteria;
      }

const std::string& EventSelectorDataStream::dbName | ( | ) | const`[inline]`

Retrieve stream dbName.

Definition at line 99 of file EventSelectorDataStream.h.

                                          {
        return m_dbName;
      }

const std::string& EventSelectorDataStream::definition | ( | ) | const`[inline]`

Retrieve definition string.

Definition at line 107 of file EventSelectorDataStream.h.

                                            {
        return m_definition;
      }

StatusCode EventSelectorDataStream::finalize | ( | void | ) | `[virtual]`

Finalize stream and release resources.

Definition at line 220 of file EventSelectorDataStream.cpp.

                                                   {
      setSelector(0);
      if ( m_properties )  {
        m_properties->clear();
      }
      m_initialized = false;
      return StatusCode::SUCCESS;
    }

StatusCode EventSelectorDataStream::initialize | ( | ) | `[virtual]`

Parse input criteria.

Definition at line 83 of file EventSelectorDataStream.cpp.

                                                     {
      bool isData = true;
      std::string auth, dbtyp, collsvc, item, crit, sel, svc, stmt;
      std::string cnt    = "/Event";
      std::string db     = "<Unknown>";
      Tokenizer tok(true);

      SmartIF<IDataManagerSvc> eds(m_pSvcLocator->service("EventDataSvc"));
      if( !eds.isValid() ) {
        std::cout << "ERROR: Unable to localize interface IDataManagerSvc from service EventDataSvc"
                  << std::endl;
        return StatusCode::FAILURE;
      }
      else {
        cnt = eds->rootName();
      }
      m_selectorType = m_criteria = m_dbName= "";
      m_properties->erase(m_properties->begin(), m_properties->end());

      tok.analyse(m_definition, " ", "", "", "=", "'", "'");
      for ( Tokenizer::Items::iterator i = tok.items().begin(); i != tok.items().end(); i++ )   {
        long hash = -1;
        const std::string& tag = (*i).tag();
        const std::string& val = (*i).value();
        switch( ::toupper(tag[0]) )    {
        case 'A':
          auth = val;
          break;
        case 'C':
          svc  = "EvtTupleSvc";
          isData = false;
        case 'E':
          hash = val.find('#');
          if ( hash > 0 )   {
            cnt  = val.substr(0,hash);
            item = val.substr(hash+1, val.length()-hash-1);
          }
          else    {
            cnt  = val;
            item = "Address";
          }
          break;
        case 'D':
          m_criteria     = "FILE " + val;
          m_dbName=val;
          break;
        case 'F':
          switch( ::toupper(tag[1]) )    {
          case 'I':
            m_criteria   = "FILE " + val;
            m_dbName=val;
            break;
          case 'U':
            stmt = val;
            break;
          default:
            break;
          }
          break;
        case 'J':
          m_criteria     = "JOBID " + val;
          m_dbName=val;
          dbtyp          = "SICB";
          break;
        case 'T':
          switch( ::toupper(tag[1]) )    {
          case 'Y':
            dbtyp = val;
            break;
          default:
            break;
          }
          break;
        case 'S':
          switch( ::toupper(tag[1]) )    {
          case 'E':
            sel = val;
            break;
          case 'V':
            svc = val;
            collsvc = val;
            break;
          default:
            break;
          }
          break;
        default:
          m_properties->push_back(StringProperty(tag,val));
          break;
        }
      }
      if ( !isData )    { // Unfortunately options do not come in order...
        m_selectorType = "EventCollectionSelector";
        svc  = "EvtTupleSvc";
      }
      else if ( dbtyp.substr(0,4) == "POOL" )    {
        m_selectorType = "PoolDbEvtSelector";
      }
      else if ( svc.empty() ) {
        m_selectorType = "DbEvtSelector";
      }
      else  {
        m_selectorType = svc;
      }
      StatusCode status = StatusCode::SUCCESS;
      if ( svc.length() == 0 && dbtyp.length() != 0 )    {
        SmartIF<IPersistencySvc> ipers(m_pSvcLocator->service("EventPersistencySvc"));
        if ( ipers.isValid() )   {
          IConversionSvc* icnvSvc = 0;
          status = ipers->getService(dbtyp, icnvSvc);
          if ( status.isSuccess() )   {
            IService* isvc = 0;
            status = icnvSvc->queryInterface(IService::interfaceID(), pp_cast<void>(&isvc));
            if ( status.isSuccess() )   {
              svc = isvc->name();
              isvc->release();
            }
          }
        }
      }
      m_properties->push_back( StringProperty("Function",      stmt));
      m_properties->push_back( StringProperty("CnvService",    svc));
      m_properties->push_back( StringProperty("Authentication",auth));
      m_properties->push_back( StringProperty("Container",     cnt));
      m_properties->push_back( StringProperty("Item",          item));
      m_properties->push_back( StringProperty("Criteria",      sel));
      m_properties->push_back( StringProperty("DbType",        dbtyp));
      m_properties->push_back( StringProperty("DB",            m_criteria));
      if ( !isData && !collsvc.empty() )    {
        m_properties->push_back( StringProperty("DbService",   collsvc));
      }

      m_initialized = status.isSuccess();
      return status;
    }

bool EventSelectorDataStream::isInitialized | ( | ) | const`[inline]`

Check initialization status.

Definition at line 115 of file EventSelectorDataStream.h.

                                    {
        return m_initialized;
      }

const std::string& EventSelectorDataStream::name | ( | ) | const`[inline]`

Retrieve stream name.

Definition at line 91 of file EventSelectorDataStream.h.

                                        {
        return m_name;
      }

const Properties& EventSelectorDataStream::properties | ( | ) | `[inline]`

Access properties.

Definition at line 87 of file EventSelectorDataStream.h.

                                        {
        return *m_properties;
      }

StringProperty * EventSelectorDataStream::property | ( | const std::string & | nam ) |

Allow access to individual properties by name.

Definition at line 63 of file EventSelectorDataStream.cpp.

                                                                             {
      for ( Properties::iterator i = m_properties->begin(); i != m_properties->end(); i++ )   {
        if ( (*i).name() == nam )    {
          return &(*i);
        }
      }
      return 0;
    }

const StringProperty * EventSelectorDataStream::property | ( | const std::string & | nam ) | const

Allow access to individual properties by name (CONST)

Definition at line 73 of file EventSelectorDataStream.cpp.

                                                                                         {
      for ( Properties::const_iterator i = m_properties->begin(); i != m_properties->end(); i++ )   {
        if ( (*i).name() == nam )    {
          return &(*i);
        }
      }
      return 0;
    }

IEvtSelector* EventSelectorDataStream::selector | ( | ) | const`[inline]`

Retrieve event selector object.

Definition at line 111 of file EventSelectorDataStream.h.

                                       {
        return m_pSelector;
      }

const std::string& EventSelectorDataStream::selectorType | ( | ) | const`[inline]`

Retrieve event selector type.

Definition at line 103 of file EventSelectorDataStream.h.

                                                {
        return m_selectorType;
      }

void EventSelectorDataStream::setSelector | ( | IEvtSelector * | pSelector ) | `[virtual]`

Attach event selector object.

Definition at line 56 of file EventSelectorDataStream.cpp.

                                                                       {
      if ( 0 != pSelector   )  pSelector->addRef();
      if ( 0 != m_pSelector )  m_pSelector->release();
      m_pSelector = pSelector;
    }

## Friends And Related Function Documentation

MsgStream& operator<< | ( | MsgStream & | s,
|  | const EventSelectorDataStream & | obj
| ) |  | `[friend]`

Output friend for MsgStream.

Definition at line 27 of file EventSelectorDataStream.cpp.

                                                                               {
      s << "Stream:"   << obj.name() << " Def:" << obj.definition();
      return s;
    }

std::ostream& operator<< | ( | std::ostream & | s,
|  | const EventSelectorDataStream & | obj
| ) |  | `[friend]`

Output friend for standard I/O.

Definition at line 33 of file EventSelectorDataStream.cpp.

                                                                                 {
      s << "Stream:"   << obj.name() << " Def:" << obj.definition();
      return s;
    }

## Member Data Documentation

std::string EventSelectorDataStream::m_criteria`[protected]`

Criteria.

Definition at line 58 of file EventSelectorDataStream.h.

std::string EventSelectorDataStream::m_dbName`[protected]`

String with name of the db as parsed.

Definition at line 60 of file EventSelectorDataStream.h.

std::string EventSelectorDataStream::m_definition`[protected]`

Definition string.

Definition at line 56 of file EventSelectorDataStream.h.

bool EventSelectorDataStream::m_initialized`[protected]`

Initialization state.

Definition at line 70 of file EventSelectorDataStream.h.

std::string EventSelectorDataStream::m_name`[protected]`

Name.

Definition at line 54 of file EventSelectorDataStream.h.

Properties* EventSelectorDataStream::m_properties`[protected]`

Properties vector.

Definition at line 68 of file EventSelectorDataStream.h.

IEvtSelector* EventSelectorDataStream::m_pSelector`[protected]`

Pointer to valid selector.

Definition at line 64 of file EventSelectorDataStream.h.

ISvcLocator* EventSelectorDataStream::m_pSvcLocator`[protected]`

Reference to service locator.

Definition at line 66 of file EventSelectorDataStream.h.

std::string EventSelectorDataStream::m_selectorType`[protected]`

Event selector type.

Definition at line 62 of file EventSelectorDataStream.h.

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

- /afs/.cern.ch/sw/Gaudi/releases/GAUDI/GAUDI_v22r2/GaudiKernel/GaudiKernel/EventSelectorDataStream.h
- /afs/.cern.ch/sw/Gaudi/releases/GAUDI/GAUDI_v22r2/GaudiKernel/src/Lib/EventSelectorDataStream.cpp

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