| # Gaudi Framework, version v23r0 |

Home |  | Generated: Mon Jan 30 2012

Public Member Functions | Private Attributes

# CollectionCloneAlg Class Reference

Small algorithm, which allows to merge N-tuples in a generic way. More...

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

## Public Member Functions
| CollectionCloneAlg (const std::string &name, ISvcLocator *pSvcLocator)
| Standard algorithm constructor.
virtual | ~CollectionCloneAlg ()
| Standard Destructor.
virtual StatusCode | initialize ()
| Initialize.
virtual StatusCode | finalize ()
| Finalize.
virtual StatusCode | execute ()
| Execute procedure.
virtual StatusCode | book (const NTuple::Tuple *nt)
| Book the N-tuple according to the specification.
virtual StatusCode | checkInput (const NTuple::Tuple *clone, const NTuple::Tuple *src)
StatusCode | mergeEntries (const std::string &input)
| Merge the entries of a single input tuple into the output.
StatusCode | connect ()
| Connect input and output N-tuples.
StatusCode | mergeInputTuples ()
| Merge all N-tuple entries.
## Private Attributes
INTupleSvc * | m_dataSvc
| Reference to data provider service.
std::string | m_tupleSvc
| Name of the data provider service.
std::string | m_output
| Output specification.
std::vector< std::string > | m_inputs
| input specifications
std::string | m_rootName
| Name of the root leaf (obtained at initialize)
std::string | m_outName
| Output tuple name.
std::string | m_criteria
| Selection criteria (if any)
std::string | m_selectorName
| Selector factory.

## Detailed Description

Small algorithm, which allows to merge N-tuples in a generic way.

In the options directory an python interface is presented, which shows how to steer this algorithm in a standaqlone program.

Author:
  : M.Frank

Version:
  : 1.0

Definition at line 127 of file CollectionCloneAlg.cpp.

## Constructor & Destructor Documentation

CollectionCloneAlg::CollectionCloneAlg | ( | const std::string & | name,
|  | ISvcLocator * | pSvcLocator
| ) |  | `[inline]`

Standard algorithm constructor.

Definition at line 147 of file CollectionCloneAlg.cpp.

      :     Algorithm(name, pSvcLocator),  m_dataSvc(0)
      {
        declareProperty("EvtTupleSvc", m_tupleSvc="EvtTupleSvc");
        declareProperty("Input",       m_inputs);
        declareProperty("Output",      m_output);
      }

virtual CollectionCloneAlg::~CollectionCloneAlg | ( | ) | `[inline, virtual]`

Standard Destructor.

Definition at line 155 of file CollectionCloneAlg.cpp.

                                        {
      }

## Member Function Documentation

virtual StatusCode CollectionCloneAlg::book | ( | const NTuple::Tuple * | nt ) | `[inline, virtual]`

Book the N-tuple according to the specification.

Definition at line 220 of file CollectionCloneAlg.cpp.

                                                      {
        MsgStream log(msgSvc(), name());
        const INTuple::ItemContainer& items = nt->items();
        StatusCode status = StatusCode::SUCCESS;
        INTuple::ItemContainer::const_iterator i;
        NTuple::Tuple* tuple = m_dataSvc->book(m_outName, nt->clID(), nt->title());
        for (i = items.begin(); i != items.end(); ++i)  {
          long type = (*i)->type();
          switch(type)  {
          case DataTypeInfo::UCHAR:
            status = createItem(log, tuple, *i, (unsigned char)0);
            break;
          case DataTypeInfo::USHORT:
            status = createItem(log, tuple, *i, (unsigned short)0);
            break;
          case DataTypeInfo::UINT:
            status = createItem(log, tuple, *i, (unsigned int)0);
            break;
          case DataTypeInfo::ULONG:
            status = createItem(log, tuple, *i, (unsigned long)0);
            break;
          case DataTypeInfo::CHAR:
            status = createItem(log, tuple, *i, char(0));
            break;
          case DataTypeInfo::SHORT:
            status = createItem(log, tuple, *i, short(0));
            break;
          case DataTypeInfo::INT:
            status = createItem(log, tuple, *i, int(0));
            break;
          case DataTypeInfo::LONG:
            status = createItem(log, tuple, *i, long(0));
            break;
          case DataTypeInfo::BOOL:
            status = createItem(log, tuple, *i, false);
            break;
          case DataTypeInfo::FLOAT:
            status = createItem(log, tuple, *i, float(0.0));
            break;
          case DataTypeInfo::DOUBLE:
            status = createItem(log, tuple, *i, double(0.0));
            break;
          case DataTypeInfo::OBJECT_ADDR:
            status = createItem(log, tuple, *i, (IOpaqueAddress*)0);
            break;
          case DataTypeInfo::POINTER:
            status = createItem(log, tuple, *i, (void*)0);
            break;
          case DataTypeInfo::STRING:
    //        status = createItem(log, tuple, *i, (std::string*)0);
    //        break;
          case DataTypeInfo::NTCHAR:
    //        status = createItem(log, tuple, *i, (char*)0);
    //        break;
          case DataTypeInfo::UNKNOWN:
          default:
            status = StatusCode::FAILURE;
            break;
          }
        }
        return status;
      }

virtual StatusCode CollectionCloneAlg::checkInput | ( | const NTuple::Tuple * | clone,
|  | const NTuple::Tuple * | src
| ) |  | `[inline, virtual]`

Definition at line 284 of file CollectionCloneAlg.cpp.

                                                                                       {
        MsgStream log(msgSvc(), name());
        if ( 0 != clone && 0 != src )   {
          const INTuple::ItemContainer& clone_items  = clone->items();
          const std::string clone_id = clone->registry()->identifier();
          const std::string src_id = src->registry()->identifier();

          INTuple::ItemContainer::const_iterator i;
          log << MSG::ERROR;
          for (i = clone_items.begin(); i != clone_items.end(); ++i)  {
            const INTupleItem* itm = *i;
            const std::string& nam = itm->name();
            const INTupleItem* src_itm = src->find(nam);
            if ( !src_itm )  {
              log << "Tuple item " << nam << " not present in " << src_id << endmsg;
              return StatusCode::FAILURE;
            }
            if ( itm->type() != src_itm->type() )  {
              log << "Tuple item " << nam << " are of different types in "
                << src_id   << ":" << src_itm->typeName() << " <-> "
                << clone_id << ":" << itm->typeName() << endmsg;
              return StatusCode::FAILURE;
            }
            if ( itm->ndim() != src_itm->ndim() )  {
              log << "Tuple item " << nam << " have different dimensions in "
                << src_id   << ":" << src_itm->ndim() << " <-> "
                << clone_id << ":" << itm->ndim() << endmsg;
              return StatusCode::FAILURE;
            }
            for (int j=0; j<itm->ndim(); ++j)  {
              if ( src_itm->dim(j) != itm->dim(j) )  {
                log << "Tuple item " << nam << " have different dimensions in "
                  << src_id   << "[" << j << "]:" << src_itm->dim(j) << " <-> "
                  << clone_id << "[" << j << "]:" << itm->dim(j) << endmsg;
                return StatusCode::FAILURE;
              }
            }
            if ( itm->hasIndex() != src_itm->hasIndex() )  {
              log << "Tuple item " << nam << " has different index colums "
                << src_id   << ":" << src_itm->hasIndex() << " <-> "
                << clone_id << ":" << itm->hasIndex() << endmsg;
              return StatusCode::FAILURE;
            }
            if ( itm->hasIndex() )  {
              if ( itm->index() != src_itm->index() )  {
                log << "Tuple item " << nam << " has different index colums "
                  << src_id   << ":" << src_itm->index() << " <-> "
                  << clone_id << ":" << itm->index() << endmsg;
                return StatusCode::FAILURE;
              }
            }
          }
          return StatusCode::SUCCESS;
        }
        return StatusCode::FAILURE;
      }

StatusCode CollectionCloneAlg::connect | ( | ) | `[inline]`

Connect input and output N-tuples.

Definition at line 452 of file CollectionCloneAlg.cpp.

                             {
        StatusCode status = StatusCode::SUCCESS;
        for (size_t i=0; i < m_inputs.size(); ++i)  {
          NTuplePtr nt(m_dataSvc, m_inputs[i]);
          if ( !(0 == nt) )    {
            NTuplePtr out(m_dataSvc, m_outName);
            if ( 0 == out )  {
              status = book(nt);
            }
            else  {
              status = checkInput(out, nt);
            }
            if ( !status.isSuccess() )  {
              return status;
            }
            else if ( m_selectorName != "" )   {
              SmartIF<ISelectStatement> stmt(ROOT::Reflex::PluginService::Create<IInterface*>(m_selectorName,serviceLocator()));
              if ( stmt.isValid( ) )    {
                if ( m_criteria.length() > 0 ) stmt->setCriteria(m_criteria);
                nt->attachSelector(stmt);
              }
              else  {
                MsgStream log(msgSvc(), name());
                log << MSG::ERROR << "Failed to attach tuple selector to " << m_inputs[i] << endmsg;
                return StatusCode::FAILURE;
              }
            }
          }
          else  {
            MsgStream log(msgSvc(), name());
            log << MSG::ERROR << "Failed to access tuple: " << m_inputs[i] << endmsg;
            return StatusCode::FAILURE;
          }
        }
        return StatusCode::SUCCESS;
      }

virtual StatusCode CollectionCloneAlg::execute | ( | ) | `[inline, virtual]`

Execute procedure.

Definition at line 211 of file CollectionCloneAlg.cpp.

                                      {
        StatusCode status = connect();
        if ( status.isSuccess() )  {
          status = mergeInputTuples();
        }
        return status;
      }

virtual StatusCode CollectionCloneAlg::finalize | ( | ) | `[inline, virtual]`

Finalize.

Reimplemented from Algorithm.

Definition at line 204 of file CollectionCloneAlg.cpp.

                                    {
        if ( m_dataSvc ) m_dataSvc->release();
        m_dataSvc = 0;
        return StatusCode::SUCCESS;
      }

virtual StatusCode CollectionCloneAlg::initialize | ( | ) | `[inline, virtual]`

Initialize.

Reimplemented from Algorithm.

Definition at line 159 of file CollectionCloneAlg.cpp.

                                        {
        MsgStream log(msgSvc(), name());
        m_rootName = "";
        m_outName = "";
        m_criteria = "";
        m_selectorName = "";
        StatusCode sc = service(m_tupleSvc, m_dataSvc, true);
        if ( sc.isSuccess() )  {
          std::string fun;
          Tokenizer tok(true);
          tok.analyse(m_output, " ", "", "", "=", "'", "'");
          for ( Tokenizer::Items::iterator i = tok.items().begin(); i != tok.items().end(); i++ )   {
            const std::string& tag = (*i).tag();
            const std::string& val = (*i).value();
            switch( ::toupper(tag[0]) )    {
            case 'D':
              m_outName = val;
              break;
            case 'S':
              m_criteria = val;
              break;
            case 'F':
              fun = val;
              break ;
            default:
              break;
            }
          }
          if ( m_outName.empty() )  {
            log << MSG::ERROR << "Failed to analyze output specs:" << m_output << endmsg;
            return StatusCode::FAILURE;
          }
          if ( fun.length() > 0 || m_criteria.length() > 0 )   {
            if ( m_criteria.length() > 0 && fun.length() == 0 ) fun = "NTuple::Selector";
            m_selectorName = fun;
            return StatusCode::SUCCESS;
          }
          return sc;
        }
        log << MSG::ERROR << "Failed to access service \""
            << m_tupleSvc << "\"." << endmsg;
        return sc;
      }

StatusCode CollectionCloneAlg::mergeEntries | ( | const std::string & | input ) | `[inline]`

Merge the entries of a single input tuple into the output.

Definition at line 342 of file CollectionCloneAlg.cpp.

                                                       {
        MsgStream log(msgSvc(), name());
        NTuplePtr out(m_dataSvc, m_outName);
        if ( 0 != out )  {
          const INTuple::ItemContainer& clone_items  = out->items();
          std::vector<GenericAddress> addrVector(clone_items.size());
          StatusCode status = StatusCode::SUCCESS;
          NTuplePtr nt(m_dataSvc, input);
          size_t k = 0, nentry = 0;
          if ( 0 != nt ) {
            const INTuple::ItemContainer& source_items = nt->items();
            for (k=0; k < source_items.size(); ++k )  {
              if ( source_items[k]->type() == DataTypeInfo::OBJECT_ADDR )  {
                *(IOpaqueAddress**)source_items[k]->buffer() = &addrVector[k];
              }
            }
            while ( status.isSuccess() ) {
              status = m_dataSvc->readRecord(nt.ptr());
              if ( status.isSuccess() )   {
                INTuple::ItemContainer::const_iterator i;
                nentry++;
                for (k=0,i = source_items.begin(); i != source_items.end(); ++i,++k)  {
                  const INTupleItem* src_itm = *i;
                  const INTupleItem* out_itm = out->find(src_itm->name());
                  size_t size = 0;
                  switch((*i)->type())  {
                  case DataTypeInfo::UCHAR:
                    size = sizeof(unsigned char);
                    break;
                  case DataTypeInfo::USHORT:
                    size = sizeof(unsigned short);
                    break;
                  case DataTypeInfo::UINT:
                    size = sizeof(unsigned int);
                    break;
                  case DataTypeInfo::ULONG:
                    size = sizeof(unsigned long);
                    break;
                  case DataTypeInfo::CHAR:
                    size = sizeof(char);
                    break;
                  case DataTypeInfo::SHORT:
                    size = sizeof(short);
                    break;
                  case DataTypeInfo::INT:
                    size = sizeof(int);
                    break;
                  case DataTypeInfo::LONG:
                    size = sizeof(long);
                    break;
                  case DataTypeInfo::BOOL:
                    size = sizeof(bool);
                    break;
                  case DataTypeInfo::FLOAT:
                    size = sizeof(float);
                    break;
                  case DataTypeInfo::DOUBLE:
                    size = sizeof(double);
                    break;
                  case DataTypeInfo::STRING:
                    *(std::string*)out_itm->buffer() = *(std::string*)src_itm->buffer();
                    size = 0;
                    break;
                  case DataTypeInfo::NTCHAR:
                    size = ::strlen((const char*)src_itm->buffer())+1;
                    break;
                  case DataTypeInfo::POINTER:
                    {
                      *(void**)out_itm->buffer() = *(void**)src_itm->buffer();
                      size = 0;
                    }
                    break;
                  case DataTypeInfo::OBJECT_ADDR:
                    {
                    IOpaqueAddress* ppA1  = &addrVector[k];
                    IOpaqueAddress** ppA2 = (IOpaqueAddress**)out_itm->buffer();
                    *ppA2 = ppA1;
                    size = 0;
                    }
                    break;
                  case DataTypeInfo::UNKNOWN:
                  default:
                    size = 0;
                    break;
                  }
                  if ( size > 0 )  {
                    ::memcpy((void*)out_itm->buffer(), src_itm->buffer(), size*src_itm->length());
                  }
                }
                status = m_dataSvc->writeRecord(out.ptr());
                if ( !status.isSuccess() )  {
                  log << MSG::ERROR << "Failed to write record " << nentry
                      << " from " << input << " to " << m_outName << endmsg;
                }
              }
            }
            log << MSG::INFO << "End of reading tuple " << input
                << " after " << nentry << " entries." << endmsg;

            if ( nentry > 0 || m_selectorName != "" )  {
              return StatusCode::SUCCESS;
            }
            return StatusCode::FAILURE;
          }
          log << MSG::ERROR << "Failed to access input: " << input << endmsg;
        }
        return StatusCode::FAILURE;
      }

StatusCode CollectionCloneAlg::mergeInputTuples | ( | ) | `[inline]`

Merge all N-tuple entries.

Definition at line 490 of file CollectionCloneAlg.cpp.

                                     {
        MsgStream log(msgSvc(), name());
        for (size_t inp=0; inp < m_inputs.size(); ++inp)  {
          StatusCode sc = mergeEntries(m_inputs[inp]);
          if ( !sc.isSuccess() )  {
            log << MSG::ERROR << "Failed to merge tuple:" << m_inputs[inp] << endmsg;
            return sc;
          }
        }
        return StatusCode::SUCCESS;
      }

## Member Data Documentation

std::string CollectionCloneAlg::m_criteria`[private]`

Selection criteria (if any)

Definition at line 141 of file CollectionCloneAlg.cpp.

INTupleSvc* CollectionCloneAlg::m_dataSvc`[private]`

Reference to data provider service.

Definition at line 129 of file CollectionCloneAlg.cpp.

std::vector<std::string> CollectionCloneAlg::m_inputs`[private]`

input specifications

Definition at line 135 of file CollectionCloneAlg.cpp.

std::string CollectionCloneAlg::m_outName`[private]`

Output tuple name.

Definition at line 139 of file CollectionCloneAlg.cpp.

std::string CollectionCloneAlg::m_output`[private]`

Output specification.

Definition at line 133 of file CollectionCloneAlg.cpp.

std::string CollectionCloneAlg::m_rootName`[private]`

Name of the root leaf (obtained at initialize)

Definition at line 137 of file CollectionCloneAlg.cpp.

std::string CollectionCloneAlg::m_selectorName`[private]`

Selector factory.

Definition at line 143 of file CollectionCloneAlg.cpp.

std::string CollectionCloneAlg::m_tupleSvc`[private]`

Name of the data provider service.

Definition at line 131 of file CollectionCloneAlg.cpp.

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

- /afs/cern.ch/sw/Gaudi/releases/GAUDI/GAUDI_v23r0/GaudiSvc/src/NTupleSvc/CollectionCloneAlg.cpp

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