| # Gaudi Framework, version v21r11 |

Home |  | Generated: 30 Sep 2010

# PersistencySvc.cpp

Go to the documentation of this file.

    00001 //====================================================================
    00002 //  PersistencySvc.cpp
    00003 //--------------------------------------------------------------------
    00004 //
    00005 //  Package    : System ( The LHCb Offline System)
    00006 //
    00007 //  Description: implementation of the PersistencySvc
    00008 //
    00009 //  Author     : M.Frank
    00010 //  History    :
    00011 // +---------+----------------------------------------------+---------
    00012 // |    Date |                 Comment                      | Who
    00013 // +---------+----------------------------------------------+---------
    00014 // | 29/10/98| Initial version                              | MF
    00015 // +---------+----------------------------------------------+---------
    00016 //
    00017 //====================================================================
    00018 #define  PERSISTENCYSVC_PERSISTENCYSVC_CPP
    00019
    00020 // Interface defintions
    00021 #include "GaudiKernel/SmartIF.h"
    00022 #include "GaudiKernel/SvcFactory.h"
    00023 #include "GaudiKernel/CnvFactory.h"
    00024 #include "GaudiKernel/DataObject.h"
    00025 #include "GaudiKernel/IConverter.h"
    00026 #include "GaudiKernel/ISvcLocator.h"
    00027 #include "GaudiKernel/IDataSelector.h"
    00028 #include "GaudiKernel/IOpaqueAddress.h"
    00029 #include "GaudiKernel/MsgStream.h"
    00030 #include "GaudiKernel/strcasecmp.h"
    00031 #include "GaudiKernel/TypeNameString.h"
    00032 #include "GaudiKernel/IDataProviderSvc.h"
    00033
    00034 // Implementation specific definitions
    00035 #include "PersistencySvc.h"
    00036
    00037 // Instantiation of a static factory class used by clients to create
    00038 // instances of this service
    00039 DECLARE_SERVICE_FACTORY(PersistencySvc)
    00040
    00041 enum CnvSvcAction   {
    00042   CREATE_OBJ,
    00043   FILL_OBJ_REFS,
    00044   UPDATE_OBJ,
    00045   UPDATE_OBJ_REFS,
    00046   CREATE_REP,
    00047   FILL_REP_REFS,
    00048   UPDATE_REP,
    00049   UPDATE_REP_REFS
    00050 };
    00051
    00052 StatusCode PersistencySvc::makeCall(int typ,
    00053                                     IOpaqueAddress*& pAddress,
    00054                                     DataObject*& pObject)      {
    00055   if ( m_enable )    {
    00056     IConversionSvc* svc    = 0;
    00057     switch(typ)   {
    00058     case CREATE_REP:
    00059     case FILL_REP_REFS:
    00060     case UPDATE_REP:
    00061     case UPDATE_REP_REFS:
    00062       svc = m_cnvDefault;
    00063       break;
    00064     default:
    00065       if ( 0 != pAddress )    {
    00066         long svc_type = pAddress->svcType();
    00067         svc = service(svc_type);
    00068         if ( 0 == svc )   {
    00069           return BAD_STORAGE_TYPE;
    00070         }
    00071       }
    00072       else  {
    00073         return INVALID_ADDRESS;
    00074       }
    00075       break;
    00076     }
    00077
    00078     StatusCode status(StatusCode::FAILURE,true);
    00079     switch( typ )     {
    00080     case CREATE_OBJ:
    00081       pObject = 0;
    00082       status = svc->createObj(pAddress, pObject);
    00083       break;
    00084     case FILL_OBJ_REFS:
    00085       status = svc->fillObjRefs(pAddress, pObject);
    00086       break;
    00087     case UPDATE_OBJ:
    00088       status = svc->updateObj(pAddress, pObject);
    00089       break;
    00090     case UPDATE_OBJ_REFS:
    00091       status = svc->updateObjRefs(pAddress, pObject);
    00092       break;
    00093     case CREATE_REP:
    00094       status = svc->createRep(pObject, pAddress);
    00095       break;
    00096     case FILL_REP_REFS:
    00097       status = svc->fillRepRefs(pAddress, pObject);
    00098       break;
    00099     case UPDATE_REP:
    00100       status = svc->updateRep(pAddress, pObject);
    00101       break;
    00102     case UPDATE_REP_REFS:
    00103       status = svc->updateRepRefs(pAddress, pObject);
    00104       break;
    00105     default:
    00106       status = StatusCode::FAILURE;
    00107       break;
    00108     }
    00109     status.ignore();
    00110     return status;
    00111   }
    00112   return StatusCode::SUCCESS;
    00113 }
    00114
    00116 StatusCode PersistencySvc::createObj(IOpaqueAddress* pAddr, DataObject*& refpObj)   {
    00117   return makeCall(CREATE_OBJ, pAddr, refpObj);
    00118 }
    00119
    00121 StatusCode PersistencySvc::fillObjRefs(IOpaqueAddress* pAddr, DataObject* pObj)    {
    00122   return makeCall(FILL_OBJ_REFS, pAddr, pObj);
    00123 }
    00124
    00126 StatusCode PersistencySvc::updateObj(IOpaqueAddress* pAddr, DataObject* pObj)   {
    00127   return makeCall(UPDATE_OBJ, pAddr, pObj);
    00128 }
    00129
    00131 StatusCode PersistencySvc::updateObjRefs(IOpaqueAddress* pAddr, DataObject* pObj)  {
    00132   return makeCall(UPDATE_OBJ_REFS, pAddr, pObj);
    00133 }
    00134
    00136 StatusCode PersistencySvc::createRep(DataObject* pObj, IOpaqueAddress*& refpAddr)  {
    00137   return makeCall(CREATE_REP, refpAddr, pObj);
    00138 }
    00139
    00141 StatusCode PersistencySvc::fillRepRefs(IOpaqueAddress* pAddr, DataObject* pObj)  {
    00142   return makeCall(FILL_REP_REFS, pAddr, pObj);
    00143 }
    00144
    00146 StatusCode PersistencySvc::updateRep(IOpaqueAddress* pAddr, DataObject* pObj)  {
    00147   return makeCall(UPDATE_REP, pAddr, pObj);
    00148 }
    00149
    00151 StatusCode PersistencySvc::updateRepRefs(IOpaqueAddress* pAddr, DataObject* pObj)    {
    00152   return makeCall(UPDATE_REP_REFS, pAddr, pObj);
    00153 }
    00154
    00156 SmartIF<IAddressCreator>& PersistencySvc::addressCreator(long type)     {
    00157   long typ = type;
    00158   Services::iterator it = m_cnvServices.find( typ );
    00159   if( it == m_cnvServices.end() ) {
    00160     IConversionSvc* s = service(type);
    00161     if ( s )   {
    00162       it = m_cnvServices.find( typ );
    00163       if ( it != m_cnvServices.end() ) {
    00164         return (*it).second.addrCreator();
    00165       }
    00166     }
    00167     static SmartIF<IAddressCreator> no_creator;
    00168     return no_creator;
    00169   }
    00170   return (*it).second.addrCreator();
    00171 }
    00172
    00174 StatusCode PersistencySvc::setDataProvider(IDataProviderSvc* pDataSvc)    {
    00175   m_dataSvc = pDataSvc;
    00176   for ( Services::iterator i = m_cnvServices.begin(); i != m_cnvServices.end(); i++ )   {
    00177     (*i).second.conversionSvc()->setDataProvider(m_dataSvc).ignore();
    00178   }
    00179   return StatusCode(StatusCode::SUCCESS,true);
    00180 }
    00181
    00183 SmartIF<IDataProviderSvc>& PersistencySvc::dataProvider()  const  {
    00184   return m_dataSvc;
    00185 }
    00186
    00188 StatusCode PersistencySvc::setConversionSvc(IConversionSvc* svc)   {
    00189   m_cnvDefault = svc;
    00190   return StatusCode(StatusCode::SUCCESS,true);
    00191 }
    00192
    00194 SmartIF<IConversionSvc>& PersistencySvc::conversionSvc()    const   {
    00195   return m_cnvDefault;
    00196 }
    00197
    00199 StatusCode PersistencySvc::addConverter(const CLID& /* clid */)  {
    00200   return StatusCode::FAILURE;
    00201 }
    00202
    00204 StatusCode PersistencySvc::addConverter(IConverter* pConverter)    {
    00205   if ( 0 != pConverter )    {
    00206     long typ  = pConverter->repSvcType();
    00207     IConversionSvc* svc = service(typ);
    00208     if ( 0 != svc )   {
    00209       return svc->addConverter(pConverter);
    00210     }
    00211     return BAD_STORAGE_TYPE;
    00212   }
    00213   return NO_CONVERTER;
    00214 }
    00215
    00217 StatusCode PersistencySvc::removeConverter(const CLID& clid)  {
    00218   // Remove converter type from all services
    00219   StatusCode status = NO_CONVERTER, iret = StatusCode::SUCCESS;
    00220   for ( Services::iterator i = m_cnvServices.begin(); i != m_cnvServices.end(); i++ )    {
    00221     iret = (*i).second.conversionSvc()->removeConverter(clid);
    00222     if ( iret.isSuccess() )    {
    00223       status = iret;
    00224     }
    00225   }
    00226   return status;
    00227 }
    00228
    00230 IConverter* PersistencySvc::converter(const CLID& /*clid*/) {
    00231   return 0;
    00232 }
    00233
    00235 SmartIF<IConversionSvc>& PersistencySvc::service(const std::string& nam)     {
    00236   Gaudi::Utils::TypeNameString tn(nam);
    00237   IConversionSvc* svc = 0;
    00238   for ( Services::iterator it = m_cnvServices.begin(); it != m_cnvServices.end(); it++ )    {
    00239     if ( (*it).second.service()->name() == tn.name() )   {
    00240       return (*it).second.conversionSvc();
    00241     }
    00242   }
    00243   StatusCode status = Service::service(nam, svc, true);
    00244   if ( status.isSuccess() )   {
    00245     if ( addCnvService(svc).isSuccess() )   {
    00246       svc->release();       // Do not double-reference count
    00247       return service(nam); // now it is in the list
    00248     }
    00249   }
    00250   MsgStream log( msgSvc(), name() );
    00251   log << MSG::INFO << "Cannot access Conversion service:" << nam << endmsg;
    00252   static SmartIF<IConversionSvc> no_svc;
    00253   return no_svc;
    00254 }
    00255
    00257 SmartIF<IConversionSvc>& PersistencySvc::service(long type)     {
    00258   typedef std::vector<std::string> SvcNames;
    00259   // Check wether this is already an active service
    00260   Services::iterator it = m_cnvServices.find( type );
    00261   if( it != m_cnvServices.end() ) {
    00262     return (*it).second.conversionSvc();
    00263   }
    00264   // if not, check if the service is in the list and may be requested
    00265   const SvcNames& theNames = m_svcNames.value();
    00266   for ( SvcNames::const_iterator i = theNames.begin(); i != theNames.end(); i++ )   {
    00267     SmartIF<IConversionSvc>& svc = service(*i);
    00268     if ( svc != 0 )  {
    00269       long typ = svc->repSvcType();
    00270       if ( typ == type )    {
    00271         return svc;
    00272       }
    00273     }
    00274   }
    00275   static SmartIF<IConversionSvc> no_svc;
    00276   return no_svc;
    00277 }
    00278
    00280 StatusCode PersistencySvc::addCnvService(IConversionSvc* servc)    {
    00281   if ( 0 != servc )   {
    00282     long type = servc->repSvcType();
    00283     long def_typ = (m_cnvDefault) ? m_cnvDefault->repSvcType() : 0;
    00284     Services::iterator it = m_cnvServices.find( type );
    00285     IConversionSvc* cnv_svc = 0;
    00286     if ( it != m_cnvServices.end() )    {
    00287       cnv_svc = (*it).second.conversionSvc();
    00288     }
    00289     if ( type == def_typ )     {
    00290       m_cnvDefault = servc;
    00291     }
    00292     if ( cnv_svc != servc )   {
    00293       MsgStream log( msgSvc(), name() );
    00294       IAddressCreator* icr = 0;
    00295       StatusCode status  = servc->queryInterface(IAddressCreator::interfaceID(), pp_cast<void>(&icr));
    00296       if ( status.isSuccess() )   {
    00297         IService* isvc = 0;
    00298         status = servc->queryInterface(IService::interfaceID(), pp_cast<void>(&isvc));
    00299         if ( status.isSuccess() )    {
    00300           if ( 0 != cnv_svc )   {
    00301             removeCnvService (type).ignore();
    00302           }
    00303           std::pair<Services::iterator, bool> p =
    00304             m_cnvServices.insert( Services::value_type( type, ServiceEntry(type, isvc, servc, icr)));
    00305           if( p.second )    {
    00306             log << MSG::INFO << "Added successfully Conversion service:" << isvc->name() << endmsg;
    00307             servc->addRef();
    00308             servc->setAddressCreator(this).ignore();
    00309             servc->setDataProvider(m_dataSvc).ignore();
    00310             return StatusCode::SUCCESS;
    00311           }
    00312           log << MSG::INFO << "Cannot add Conversion service of type " << isvc->name() << endmsg;
    00313           isvc->release();
    00314           icr->release();
    00315           return StatusCode::FAILURE;
    00316         }
    00317         icr->release();
    00318       }
    00319       log << MSG::INFO << "Cannot add Conversion service of type " << type << endmsg;
    00320       return StatusCode::FAILURE;
    00321     }
    00322     else    {
    00323       return StatusCode::SUCCESS;
    00324     }
    00325   }
    00326   return BAD_STORAGE_TYPE;
    00327 }
    00328
    00330 StatusCode PersistencySvc::removeCnvService(long svctype)    {
    00331   Services::iterator it = m_cnvServices.find( svctype );
    00332   if( it != m_cnvServices.end() ) {
    00333     (*it).second.service()->release();
    00334     (*it).second.addrCreator()->release();
    00335     m_cnvServices.erase(it);
    00336     return StatusCode::SUCCESS;
    00337   }
    00338   return BAD_STORAGE_TYPE;
    00339 }
    00340
    00342 long PersistencySvc::repSvcType() const {
    00343   long typ = (m_cnvDefault) ? m_cnvDefault->repSvcType() : 0;
    00344   return typ;
    00345 }
    00346
    00348 StatusCode PersistencySvc::setDefaultCnvService(long type)     {
    00349   m_cnvDefault = service(type);
    00350   return StatusCode::SUCCESS;
    00351 }
    00352
    00354 StatusCode PersistencySvc::connectOutput(const std::string&    outputFile,
    00355                                          const std::string& /* openMode */) {
    00356   return connectOutput(outputFile);
    00357 }
    00358
    00360 StatusCode PersistencySvc::connectOutput(const std::string&) {
    00361   return StatusCode::SUCCESS;
    00362 }
    00363
    00365 StatusCode PersistencySvc::commitOutput(const std::string& , bool ) {
    00366   return StatusCode::SUCCESS;
    00367 }
    00368
    00370 StatusCode PersistencySvc::createAddress(long svc_type,
    00371                                          const CLID& clid,
    00372                                          const std::string* pars,
    00373                                          const unsigned long* ipars,
    00374                                          IOpaqueAddress*& refpAddress)    {
    00375   IAddressCreator* svc = addressCreator(svc_type);
    00376   StatusCode   status  = BAD_STORAGE_TYPE;        // Preset error
    00377   refpAddress = 0;
    00378   if ( 0 != svc )   {
    00379     status = svc->createAddress(svc_type, clid, pars, ipars, refpAddress);
    00380   }
    00381   return status;
    00382 }
    00383
    00385 StatusCode PersistencySvc::convertAddress( const IOpaqueAddress* pAddress,
    00386                                            std::string& refAddress)
    00387 {
    00388   // Assumuption is that the Persistency service prepends a header
    00389   // and requests the conversion service refered to by the service
    00390   // type to encode the rest
    00391   long svc_type = 0;
    00392   CLID clid = 0;
    00393   if ( 0 != pAddress ) {
    00394     svc_type = pAddress->svcType();
    00395     clid     = pAddress->clID();
    00396   }
    00397   IAddressCreator* svc = addressCreator(svc_type);
    00398   StatusCode   status  = BAD_STORAGE_TYPE;        // Preset error
    00399   refAddress = "";
    00400
    00401   if ( 0 != svc )   {
    00402     // Found service, set header
    00403     encodeAddrHdr(svc_type, clid, refAddress);
    00404     std::string address;
    00405     // Get rest of address from conversion service
    00406     status = svc->convertAddress(pAddress, address);
    00407     refAddress += address;
    00408   }
    00409   return status;
    00410 }
    00411
    00413 StatusCode PersistencySvc::createAddress( long /* svc_type */,
    00414                                          const CLID& /* clid */,
    00415                                          const std::string& refAddress,
    00416                                          IOpaqueAddress*& refpAddress)
    00417 {
    00418   // Assumuption is that the Persistency service decodes that header
    00419   // and requests the conversion service refered to by the service
    00420   // type to decode the rest
    00421   long new_svc_type = 0;
    00422   CLID new_clid = 0;
    00423   std::string address_trailer;
    00424   decodeAddrHdr(refAddress, new_svc_type, new_clid, address_trailer);
    00425   IAddressCreator* svc = addressCreator(new_svc_type);
    00426   StatusCode   status  = BAD_STORAGE_TYPE;        // Preset error
    00427   if ( 0 != svc )   {
    00428     status = svc->createAddress( new_svc_type, new_clid, address_trailer, refpAddress);
    00429   }
    00430   return status;
    00431 }
    00432
    00434 void PersistencySvc::encodeAddrHdr( long service_type,
    00435                                     const CLID& clid,
    00436                                     std::string& address) const
    00437 {
    00438   // For address header, use xml-style format of
    00439   // <addrhdr service_type="xxx" clid="yyy" />
    00440   std::stringstream stream;
    00441   int svctyp = service_type; // must put int into stream, not char
    00442   stream << "<address_header service_type=\"" << svctyp << "\" clid=\"" << clid << "\" /> ";
    00443   address = stream.str();
    00444 }
    00445
    00447 void PersistencySvc::decodeAddrHdr( const std::string& address,
    00448                                     long& service_type,
    00449                                     CLID& clid,
    00450                                     std::string& address_trailer) const
    00451 {
    00452   // For address header, use xml-style format of
    00453   // <addrhdr service_type="xxx" clid="yyy" />
    00454   service_type = 0;
    00455   clid = 0;
    00456   address_trailer = "";
    00457
    00458   // Check for addrhdr tag
    00459   size_t pos = address.find("<address_header");
    00460   if (std::string::npos != pos) {
    00461     // Get service_type
    00462     pos = address.find("service_type=\"");
    00463     if (std::string::npos != pos) {
    00464       pos += 14;
    00465       size_t end = address.find('\"', pos);
    00466         if (std::string::npos != end) {
    00467           std::string str;
    00468           str.insert(0, address, pos, end-pos);
    00469           int temp;
    00470           sscanf(str.c_str(),"%d",&temp);
    00471           service_type = temp;
    00472           // Get clid
    00473           pos = address.find("clid=\"");
    00474         if (std::string::npos != pos) {
    00475           pos += 6;
    00476           size_t end1 = address.find('\"', pos);
    00477           if (std::string::npos != end1) {
    00478             std::string str1;
    00479             str1.insert(0, address, pos, end1-pos);
    00480             sscanf(str1.c_str(),"%d",&temp);
    00481             clid = temp;
    00482             // Get trailer_address
    00483             pos = address.find(">");
    00484             if (std::string::npos != pos) {
    00485               pos += 1;
    00486               address_trailer.insert(0, address, pos, address.size() - pos);
    00487             }
    00488           }
    00489         }
    00490       }
    00491     }
    00492   }
    00493 }
    00494
    00496 StatusCode PersistencySvc::setAddressCreator(IAddressCreator*)    {
    00497   // The persistency service is a address creation dispatcher istelf.
    00498   // The persistency service can NEVER create addresses itself.
    00499   // The entry point must only be provided in order to fulfill the needs of the
    00500   // implementing interfaces.
    00501   return StatusCode::FAILURE;
    00502 }
    00503
    00505 SmartIF<IAddressCreator>& PersistencySvc::addressCreator()   const   {
    00506   return m_addrCreator;
    00507 }
    00508
    00510 StatusCode PersistencySvc::getService(long service_type, IConversionSvc*& refpSvc)     {
    00511   refpSvc = service(service_type);
    00512   return (0==refpSvc) ? StatusCode::FAILURE : StatusCode::SUCCESS;
    00513 }
    00514
    00516 StatusCode PersistencySvc::getService(const std::string& service_type, IConversionSvc*& refpSvc)     {
    00517   const char* imp = service_type.c_str();
    00518   long len = service_type.length();
    00519   if ( ::strncasecmp(imp,"SICB", len) == 0 )
    00520     return getService(SICB_StorageType, refpSvc);
    00521   else if ( ::strncasecmp(imp,"ZEBRA", len) == 0 )
    00522     return getService(SICB_StorageType, refpSvc);
    00523   else if ( ::strncasecmp(imp,"MS Access", len) == 0 )
    00524     return getService(ACCESS_StorageType, refpSvc);
    00525   else if ( ::strncasecmp(imp,"Microsoft Access", strlen("Microsoft Access")) == 0 )
    00526     return getService(ACCESS_StorageType, refpSvc);
    00527   else if ( ::strncasecmp(imp,"SQL Server", len) == 0 )
    00528     return getService(SQLSERVER_StorageType, refpSvc);
    00529   else if ( ::strncasecmp(imp,"Microsoft ODBC for Oracle", len) == 0 )
    00530     return getService(ORACLE_StorageType, refpSvc);
    00531   else if ( ::strncasecmp(imp,"Oracle ODBC", strlen("Oracle ODBC")) == 0 )
    00532     return getService(ORACLE_StorageType, refpSvc);
    00533   else if ( ::strncasecmp(imp,"Oracle OCI", strlen("Oracle OCI")) == 0 )
    00534     return getService(ORACLE_StorageType, refpSvc);
    00535   else if ( ::strncasecmp(imp,"MySQL", len) == 0 )
    00536     return getService(MYSQL_StorageType, refpSvc);
    00537   else if ( ::strncasecmp(imp,"ROOT", len) == 0 )
    00538     return getService(ROOT_StorageType, refpSvc);
    00539   else if ( ::strncasecmp(imp,"OBJY", len) == 0 )
    00540     return getService(OBJY_StorageType, refpSvc);
    00541   else if ( ::strncasecmp(imp,"OBJYECTI", 7) == 0 )
    00542     return getService(OBJY_StorageType, refpSvc);
    00543   else if ( ::strncasecmp(imp,"POOL_ROOTKEY", 12) == 0 )
    00544     return getService(POOL_ROOTKEY_StorageType, refpSvc);
    00545   else if ( ::strncasecmp(imp,"POOL_ROOTTREE", 12) == 0 )
    00546     return getService(POOL_ROOTTREE_StorageType, refpSvc);
    00547   else if ( ::strncasecmp(imp,"POOL_ROOT", 9) == 0 )
    00548     return getService(POOL_ROOT_StorageType, refpSvc);
    00549   else if ( ::strncasecmp(imp,"POOL_MySQL", 8) == 0 )
    00550     return getService(POOL_MYSQL_StorageType, refpSvc);
    00551   else if ( ::strncasecmp(imp,"POOL_ORACLE", 8) == 0 )
    00552     return getService(POOL_ORACLE_StorageType, refpSvc);
    00553   else if ( ::strncasecmp(imp,"POOL_ACCESS", 8) == 0 )
    00554     return getService(POOL_ACCESS_StorageType, refpSvc);
    00555   else if ( ::strncasecmp(imp,"POOL", 4) == 0 )
    00556     return getService(POOL_StorageType, refpSvc);
    00557
    00558   for(Services::const_iterator i=m_cnvServices.begin(); i != m_cnvServices.end();++i)  {
    00559     SmartIF<IService> svc((*i).second.conversionSvc());
    00560     if ( svc )  {
    00561       // Check wether this is already an active service: first check by service name
    00562       if ( svc->name() == service_type )  {
    00563         refpSvc = (*i).second.conversionSvc();
    00564         return StatusCode::SUCCESS;
    00565       }
    00566       // Check wether this is already an active service: now check by service type
    00567       if ( System::typeinfoName(typeid(*(svc.get()))) == service_type )  {
    00568         refpSvc = (*i).second.conversionSvc();
    00569         return StatusCode::SUCCESS;
    00570       }
    00571     }
    00572   }
    00573   const std::vector<std::string>& names = m_svcNames;
    00574   // if not, check if the service is in the list and may be requested
    00575   for(std::vector<std::string>::const_iterator i=names.begin(); i != names.end(); i++) {
    00576     Gaudi::Utils::TypeNameString itm(*i);
    00577     if ( itm.name() == service_type || itm.type() == service_type )  {
    00578       IConversionSvc* svc = service(*i);
    00579       if ( svc )  {
    00580         refpSvc = svc;
    00581         return StatusCode::SUCCESS;
    00582       }
    00583     }
    00584   }
    00585   return StatusCode::FAILURE;
    00586 }
    00587
    00589 const CLID& PersistencySvc::objType() const    {
    00590   return CLID_NULL;
    00591 }
    00592
    00594 StatusCode PersistencySvc::initialize()     {
    00595   m_addrCreator = this; // initialize internal pointer to IAddressCreator interface
    00596   // Initialize basic service
    00597   StatusCode status = Service::initialize();
    00598   if ( !status.isSuccess() )   {
    00599     MsgStream log( msgSvc(), name() ); // Service MUST be initialized BEFORE!
    00600     log << MSG::ERROR << "Error initializing Service base class." << endmsg;
    00601   }
    00602   return status;
    00603 }
    00604
    00606 StatusCode PersistencySvc::finalize()      {
    00607   // Release all workers
    00608   m_cnvServices.clear();
    00609   // Release references to this to avoid loops
    00610   m_addrCreator = 0;
    00611   return StatusCode::SUCCESS;
    00612 }
    00613
    00614 void PersistencySvc::svcNamesHandler( Property& p )     {
    00615   MsgStream log( msgSvc(), name() );
    00616   log << MSG::INFO << p << endmsg ;
    00617 }
    00618
    00620 bool PersistencySvc::enable(bool value)
    00621 {
    00622   bool old = m_enable;
    00623   m_enable = value;
    00624   return old;
    00625 }
    00626
    00628 PersistencySvc::PersistencySvc(const std::string& name, ISvcLocator* svc)
    00629 :  base_class(name, svc),
    00630    m_cnvDefType(TEST_StorageType),
    00631    m_enable(true)
    00632 {
    00633   declareProperty("CnvServices", m_svcNames);
    00634   m_svcNames.declareUpdateHandler( &PersistencySvc::svcNamesHandler, this );
    00635 }
    00636
    00638 PersistencySvc::~PersistencySvc()   {
    00639 }