Gaudi::PoolTool Class Reference

#include <src/PoolTool.h>

Inheritance diagram for Gaudi::PoolTool:

Collaboration diagram for Gaudi::PoolTool:

Public Member Functions
	PoolTool (RootDataConnection *con)
	Standard constructor. More...
string	_treeName (boost::string_ref sr)
	Convert TES object identifier to ROOT tree name. More...
RootRef	poolRef (size_t i) const override
	Internal overload to facilitate the access to POOL files. More...
int	loadRefs (boost::string_ref, boost::string_ref cnt, unsigned long entry, RootObjectRefs &refs) override
	Load references object from file. More...
TBranch *	getBranch (boost::string_ref, boost::string_ref branch_name) override
	Access data branch by name: Get existing branch in read only mode. More...
StatusCode	saveRefs () override
	Save references section when closing data file (NOT SUPPORTED) More...
StatusCode	readRefs () override
	Internal helper to read reference tables ##Params and ##Links. More...
Public Member Functions inherited from Gaudi::RootDataConnection::Tool
TTree *	refs () const
StringVec &	dbs () const
StringVec &	conts () const
StringVec &	links () const
ParamMap &	params () const
MsgStream &	msgSvc () const
const std::string &	name () const
Sections &	sections () const
LinkSections &	linkSections () const
MergeSections &	mergeSections () const
virtual	~Tool ()=default
	Default destructor. More...

Private Attributes
std::vector< Gaudi::RootRef >	m_poolLinks
	Image of the POOL ##Links table. More...

Additional Inherited Members
Protected Types inherited from Gaudi::RootDataConnection::Tool
typedef RootDataConnection::StringVec	StringVec
typedef RootDataConnection::ParamMap	ParamMap
typedef RootDataConnection::Sections	Sections
typedef RootDataConnection::MergeSections	MergeSections
typedef RootDataConnection::LinkSections	LinkSections
typedef RootDataConnection::ContainerSection	ContainerSection
typedef RootDataConnection::ContainerSections	ContainerSections
Protected Attributes inherited from Gaudi::RootDataConnection::Tool
RootDataConnection *	c
	Pointer to containing data connection object. More...

Detailed Description

Definition at line 18 of file PoolTool.h.

Constructor & Destructor Documentation

Gaudi::PoolTool::PoolTool ( RootDataConnection *  con )

inline

Standard constructor.

Definition at line 25 of file PoolTool.h.

{ c = con; }

Member Function Documentation

string Gaudi::PoolTool::_treeName ( boost::string_ref  sr )

inline

Convert TES object identifier to ROOT tree name.

Definition at line 28 of file PoolTool.h.

    {
      auto t = sr.to_string();
      std::replace( begin( t ), end( t ), '/', '_' );
      return t;
    }

TBranch* Gaudi::PoolTool::getBranch ( boost::string_ref  , boost::string_ref  branch_name  )

inlineoverridevirtual

Access data branch by name: Get existing branch in read only mode.

Implements Gaudi::RootDataConnection::Tool.

Definition at line 93 of file PoolTool.h.

    {
      auto   ti = sections().find( branch_name );
      TTree* t  = ( ti != sections().end() ? ti->second : nullptr );
      if ( t ) {
        return (TBranch*)t->GetListOfBranches()->At( 0 );
      }
      string tname = _treeName( branch_name );
      t            = (TTree*)c->file()->Get( tname.c_str() ); // c->getSection(tname);
      if ( t ) {
        TBranch* b = (TBranch*)t->GetListOfBranches()->At( 0 );
        if ( b ) {
          sections()[branch_name.to_string()] = t;
          return b;
        }
        msgSvc() << MSG::ERROR << "Failed to access POOL branch:" << branch_name << " [" << tname << "]" << endmsg;
        t->Print();
      }
      return nullptr;
    }

int Gaudi::PoolTool::loadRefs ( boost::string_ref  , boost::string_ref  cnt, unsigned long  entry, RootObjectRefs &  refs  )

inlineoverridevirtual

Load references object from file.

Implements Gaudi::RootDataConnection::Tool.

Definition at line 38 of file PoolTool.h.

    {
      auto   ti = sections().find( cnt );
      TTree* t  = ( ti != sections().end() ? ti->second : nullptr );
      if ( !t ) {
        t = (TTree*)c->file()->Get( _treeName( cnt ).c_str() );
      }
      if ( t ) {
        TBranch*   b1  = t->GetBranch( "Links" );
        TBranch*   b2  = t->GetBranch( "Refs" );
        MsgStream& msg = msgSvc();
        if ( b1 && b2 ) {
          LinkManager       lm, *plm   = &lm;
          PoolDbLinkManager mgr, *pmgr = &mgr;
          b1->SetAutoDelete( kFALSE );
          b2->SetAutoDelete( kFALSE );
          b1->SetAddress( &plm );
          b2->SetAddress( &pmgr );
          int nb1 = b1->GetEvent( entry );
          int nb2 = b2->GetEvent( entry );
          if ( nb1 > 1 && nb2 > 1 ) {
            size_t ref_size = mgr.references().size();
            refs.refs.resize( ref_size );
            msg << MSG::VERBOSE;
            for ( size_t j = 0; j < ref_size; ++j ) {
              const pair<int, int>& oid = mgr.references()[j]->m_oid;
              string   loc = mgr.links()[j].substr( 1 );
              RootRef& r   = refs.refs[j];
              if ( oid.first >= 0 ) {
                r       = m_poolLinks[oid.first];
                r.entry = oid.second;
                r.link  = c->makeLink( loc );
                msg << "Add leaf:" << oid.first << "->" << loc << " from " << c->getDb( r.dbase ) << "#"
                    << c->getCont( r.container ) << " Link:" << c->getLink( r.link ) << " CLID:" << hex << r.clid
                    << " Typ:" << hex << int( r.svc ) << " Ent:" << dec << r.entry << endl;
              }
            }
            for ( int i = 0, n = lm.size(); i < n; ++i ) {
              LinkManager::Link* lnk     = lm.link( i );
              int                link_id = c->makeLink( lnk->path() );
              msg << "Add Link:" << lnk->path() << endl;
              refs.links.push_back( link_id );
            }
            return nb1 + nb2;
          }
        }
        msg << MSG::ERROR << "Failed to access POOL Ref/Link branches:" << cnt << " [" << _treeName( cnt ) << "]"
            << endmsg;
        t->Print();
      }
      return -1;
    }

RootRef Gaudi::PoolTool::poolRef ( size_t  ) const

inlineoverridevirtual

Internal overload to facilitate the access to POOL files.

Reimplemented from Gaudi::RootDataConnection::Tool.

Definition at line 35 of file PoolTool.h.

{ return m_poolLinks[i]; }

StatusCode Gaudi::PoolTool::readRefs ( )

inlineoverridevirtual

Internal helper to read reference tables ##Params and ##Links.

Implements Gaudi::RootDataConnection::Tool.

Definition at line 118 of file PoolTool.h.

    {
      int  i;
      char text[2048];
      msgSvc() << MSG::VERBOSE;

      // First read ##Params
      TTree* t = (TTree*)c->file()->Get( "##Params" );
      if ( !t ) return StatusCode::FAILURE;
      TBranch* b = t->GetBranch( "db_string" );
      if ( !b ) return StatusCode::FAILURE;
      for ( i = 0, b->SetAddress( text ); i < b->GetEntries(); ++i ) {
        b->GetEvent( i );
        char* id1 = strstr( text, "[NAME=" );
        char* id2 = strstr( text, "[VALUE=" );
        if ( id1 && id2 ) {
          id1 += 6;
          id2 += 7;
          char* id11 = strstr( id1, "]" );
          char* id22 = strstr( id2, "]" );
          if ( id11 && id22 ) {
            *id11 = 0;
            *id22 = 0;
            params().emplace_back( id1, id2 );
            msgSvc() << "Param:" << id1 << "=" << id2 << "." << endmsg;
          }
        }
      }

      // Read ##Links
      t = (TTree*)c->file()->Get( "##Links" );
      if ( !t ) return StatusCode::FAILURE;
      b = t->GetBranch( "db_string" );
      if ( !b ) return StatusCode::FAILURE;
      m_poolLinks.resize( (size_t)b->GetEntries() + 2 ); // Take into account the ##Links and ##Shapes entry of POOL!
      for ( i = 0, b->SetAddress( text ); i < b->GetEntries(); ++i ) {
        b->GetEvent( i );
        std::string db, container;
        int         clid = 1, technology = 0, ipar[2] = {-1, -1};
        for ( char* p1 = (char*)text; p1; p1 = ::strchr( ++p1, '[' ) ) {
          char* p2 = ::strchr( p1, '=' );
          char* p3 = ::strchr( p1, ']' );
          if ( p2 && p3 ) {
            if (::strncmp( "[DB=", p1, 4 ) == 0 ) {
              *p3 = 0;
              db  = p1 + 4;
            } else if (::strncmp( "[CNT=", p1, 5 ) == 0 ) {
              *p3       = 0;
              container = p1 + 5;
            } else if (::strncmp( "[OID=", p1, 5 ) == 0 ) {
              *p3 = 0;
              ::sscanf( p1 + 5, "%08X,%08X", (unsigned int*)&ipar[0], (unsigned int*)&ipar[1] );
            } else if (::strncmp( "[CLID=", p1, 6 ) == 0 ) {
              *p3 = 0;
              ::sscanf( p1 + 6, "%08X", (unsigned int*)&clid );
            } else if (::strncmp( "[TECH=", p1, 6 ) == 0 ) {
              *p3 = 0;
              ::sscanf( p1 + 6, "%08X", (unsigned int*)&technology );
            } else {
              *p3 = *p2 = 0;
            }
            *p3 = ']';
            *p2 = '=';
          }
        }
        c->makeRef( "", clid, technology, db, container, -1, m_poolLinks[i + 2] );
        RootRef& r = m_poolLinks[i];
        msgSvc() << "Add link[" << i << "]:" << db << container << " [" << r.dbase << "," << r.container << "] "
                 << " tech:" << hex << setw( 8 ) << r.svc << " CLID:" << setw( 8 ) << r.clid << dec << endmsg;
      }
      return StatusCode::SUCCESS;
    }

StatusCode Gaudi::PoolTool::saveRefs ( )

inlineoverridevirtual

Save references section when closing data file (NOT SUPPORTED)

Implements Gaudi::RootDataConnection::Tool.

Definition at line 115 of file PoolTool.h.

{ return StatusCode::FAILURE; }

Member Data Documentation

std::vector<Gaudi::RootRef> Gaudi::PoolTool::m_poolLinks

private

Image of the POOL ##Links table.

Definition at line 21 of file PoolTool.h.

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

• RootCnv/src/PoolTool.h