| # Gaudi Framework, version v21r11 |

Home |  | Generated: 30 Sep 2010

# PoolDbCacheSvc Class Reference

Description:. More...

`#include <PoolDb/PoolDbCacheSvc.h>`

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

## Public Member Functions
| PoolDbCacheSvc (const std::string &name, ISvcLocator *svc)
| Standard constructor.
virtual | ~PoolDbCacheSvc ()
| Standard destructor.
virtual StatusCode | initialize ()
| Service overload: initialize service.
virtual StatusCode | finalize ()
| Service overload: Finalize service.
virtual pool::DbSession & | session ()
| Access the (single) POOL database session.
virtual StatusCode | loadDictionary (const std::string &name)
| Load dictionary library.
virtual pool::DbOptionCallback * | callbackHandler () const
| Access to POOL callback handler.
virtual pool::DbStatus | setMyOptions (pool::IDbOptionProxy *pObj, pool::DbOptionCallback::OptionType typ, const std::string &name)
| Default callback (does nothing).
virtual pool::DbStatus | setCallbackOptions (pool::IDbOptionProxy *pObj, const std::vector< std::string > &v, const std::string &name)
| Set callback specific options.
## Protected Member Functions
StatusCode | loadLibraries ()
| Load all required libraries.
## Protected Attributes
pool::DbSession | m_session
| The POOL database session.
pool::DbOptionCallback * | m_callbackHandler
| Reference to POOL callback handler.
std::vector< std::string > | m_dlls
| Driver DLL to be loaded at initialization.
std::vector< std::string > | m_domainOpts
| Buffer for domain options.
std::vector< std::string > | m_databaseOpts
| Buffer for database options.
std::vector< std::string > | m_databaseOpenOpts
| Buffer for database options to be set after "open".
std::vector< std::string > | m_containerOpts
| Buffer for container options.
std::vector< std::string > | m_containerOpenOpts
| Buffer for container options to be set after "open".
std::vector< System::ImageHandle > | m_sharedHdls
| Shared Gaudi libraries.

## Detailed Description

Description:.

The PoolCacheMgr service interface allows to access special functionality provided by the POOL persistency interface.

Author:
  Markus Frank

Version:
  1.0

Definition at line 32 of file PoolDbCacheSvc.h.

## Constructor & Destructor Documentation

PoolDbCacheSvc::PoolDbCacheSvc | ( | const std::string & | name,
|  | ISvcLocator * | svc |
| ) |  |  |

Standard constructor.

Definition at line 63 of file PoolDbCacheSvc.cpp.

    00064   : base_class(nam, svc), m_callbackHandler(0)
    00065 {
    00066   s_count->increment();
    00067   m_callbackHandler = this;
    00068   declareProperty("Dlls",               m_dlls);
    00069   declareProperty("DomainOpts",         m_domainOpts);
    00070   declareProperty("DatabaseOpts",       m_databaseOpts);
    00071   declareProperty("DatabaseOnOpenOpts", m_databaseOpenOpts);
    00072   declareProperty("ContainerOpts",      m_containerOpts);
    00073   declareProperty("ContainerOnOpenOpts",m_containerOpenOpts);
    00074 }

PoolDbCacheSvc::~PoolDbCacheSvc | ( |  | ) | `[virtual]`

Standard destructor.

Definition at line 77 of file PoolDbCacheSvc.cpp.

    00078 {
    00079   s_count->decrement();
    00080 }

## Member Function Documentation

StatusCode PoolDbCacheSvc::loadLibraries | ( |  | ) | `[protected]`

Load all required libraries.

Definition at line 206 of file PoolDbCacheSvc.cpp.

    00206                                           {
    00207   StatusCode status = StatusCode::SUCCESS;
    00208   if ( !m_dlls.empty() )  {
    00209     std::vector<std::string>::const_iterator i;
    00210     for(i=m_dlls.begin(); i != m_dlls.end(); ++i)  {
    00211       StatusCode iret = loadDictionary(*i);
    00212       if ( !iret.isSuccess() )  {
    00213         status = iret;
    00214       }
    00215     }
    00216   }
    00217   return status;
    00218 }

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

Service overload: initialize service.

Reimplemented from Service.

Definition at line 83 of file PoolDbCacheSvc.cpp.

    00083                                        {
    00084   StatusCode status = Service::initialize();
    00085   MsgStream log(msgSvc(), name());
    00086   if ( !status.isSuccess() ) {
    00087     log << MSG::ERROR << "Failed to initialize Service base class."
    00088         << endmsg;
    00089     return status;
    00090   }
    00091   coral::MessageStream::installMsgReporter(new PoolDbMsgReporter(msgSvc(),m_outputLevel.value()));
    00092   coral::MessageStream::setMsgVerbosity(static_cast<coral::MsgLevel>(m_outputLevel.value()));
    00093
    00094   log << MSG::INFO << "POOL output threshold:" << m_outputLevel
    00095       << endmsg;
    00096   status = loadLibraries();
    00097   if ( !status.isSuccess() ) {
    00098     log << MSG::ERROR << "Failed to load POOL libraries."
    00099         << endmsg;
    00100     return status;
    00101   }
    00102   session().open(0);
    00103   // All dictionaries should be loaded. Let's patch the streamers
    00104   // for ContainedObject, DataObject and SmartRefbase
    00105   if ( !GaudiPoolDb::patchStreamers(log) )  {
    00106     log << MSG::ERROR << "Failed to install customized IO!" << endmsg;
    00107     return StatusCode::FAILURE;
    00108   }
    00109   return status;
    00110 }

StatusCode PoolDbCacheSvc::finalize | ( |  | ) | `[virtual]`

Service overload: Finalize service.

Shared Gaudi libraries

Reimplemented from Service.

Definition at line 113 of file PoolDbCacheSvc.cpp.

    00113                                       {
    00114   MsgStream log(msgSvc(), name());
    00115   session().close();
    00117   std::vector<System::ImageHandle>::iterator i;
    00118   for(i=m_sharedHdls.begin(); i != m_sharedHdls.end(); ++i)  {
    00119     if ( *i ) {
    00120       // System::unloadDynamicLib(*i);
    00121     }
    00122   }
    00123   m_sharedHdls.clear();
    00124   coral::MessageStream::installMsgReporter(0);
    00125   return Service::finalize();
    00126 }

virtual pool::DbSession& PoolDbCacheSvc::session | ( |  | ) | `[inline, virtual]`

Access the (single) POOL database session.

Returns:
  Reference to POOL session handle

Implements IPoolCacheSvc.

Definition at line 85 of file PoolDbCacheSvc.h.

    00085                                       {
    00086     return m_session;
    00087   }

StatusCode PoolDbCacheSvc::loadDictionary | ( | const std::string & | name | ) | `[virtual]`

Load dictionary library.

Parameters:

  | name | [IN] dictionary name/file path

Returns:
  Status code indicating success or failure

Implements IPoolCacheSvc.

Definition at line 221 of file PoolDbCacheSvc.cpp.

    00221                                                               {
    00222   System::ImageHandle hdl = 0;
    00223   StatusCode status = System::loadDynamicLib(nam, &hdl);
    00224   if ( !status.isSuccess() )  {
    00225     MsgStream log(msgSvc(), name());
    00226     log << MSG::ERROR << System::getLastErrorString() << endmsg
    00227         << "Failed to load POOL implementation library:"
    00228         << nam << endmsg;
    00229     return status;
    00230   }
    00231   m_sharedHdls.push_back(hdl);
    00232   return status;
    00233 }

virtual pool::DbOptionCallback* PoolDbCacheSvc::callbackHandler | ( |  | ) | const`[inline, virtual]`

Access to POOL callback handler.

Returns:
  Reference to POOL callback handler

Implements IPoolCacheSvc.

Definition at line 99 of file PoolDbCacheSvc.h.

    00099                                                          {
    00100     return m_callbackHandler;
    00101   }

pool::DbStatus PoolDbCacheSvc::setMyOptions | ( | pool::IDbOptionProxy * | pObj,
|  | pool::DbOptionCallback::OptionType | typ,
|  | const std::string & | name |
| ) |  |  | `[virtual]`

Default callback (does nothing).

Parameters:

  | pObj | [IN] Reference to object receiving options
  | typ | [IN] Object type to receive options
  | name | [IN] Object's name.

Returns:
  Status code indicating success or failure.

Definition at line 184 of file PoolDbCacheSvc.cpp.

    00187 {
    00188   switch (typ)  {
    00189     case pool::DbOptionCallback::_DOMAIN_OPT:
    00190       return setCallbackOptions(pObj, m_domainOpts, name);
    00191     case pool::DbOptionCallback::_DATABASE_OPT:
    00192       return setCallbackOptions(pObj, m_databaseOpts, name);
    00193     case pool::DbOptionCallback::_DATABASE_ONOPEN:
    00194       return setCallbackOptions(pObj, m_databaseOpenOpts, name);
    00195     case pool::DbOptionCallback::_CONTAINER_OPT:
    00196       return setCallbackOptions(pObj, m_containerOpts, name);
    00197     case pool::DbOptionCallback::_CONTAINER_ONOPEN:
    00198       return setCallbackOptions(pObj, m_containerOpenOpts, name);
    00199     default:
    00200       break;
    00201   }
    00202   return pool::Error;
    00203 }

pool::DbStatus PoolDbCacheSvc::setCallbackOptions | ( | pool::IDbOptionProxy * | pObj,
|  | const std::vector< std::string > & | v,
|  | const std::string & | name |
| ) |  |  | `[virtual]`

Set callback specific options.

Set container specific options.

Parameters:

  | pObj | [IN] Reference to object receiving options
  | name | [IN] Object's name.

Returns:
  Status code indicating success or failure.

Definition at line 130 of file PoolDbCacheSvc.cpp.

    00133 {
    00134   std::string opt_nam, opt_val, opt_typ;
    00135   typedef std::vector<std::string> StringV;
    00136   for (StringV::const_iterator i=v.begin(); i!=v.end(); ++i)  {
    00137     const std::string& id = *i;
    00138     if ( id.length() > obj.length() )   {
    00139       if ( obj == id.substr(0, obj.length()) )  {
    00140         std::string n = id.substr(obj.length()+1);
    00141         size_t idx = n.find("=");
    00142         size_t idx2 = n.find("TYP=");
    00143         if ( idx != std::string::npos && idx2 != std::string::npos )  {
    00144           opt_nam = n.substr(0, idx);
    00145           opt_val = n.substr(idx+1, idx2-2-idx);
    00146           opt_typ = n.substr(idx2+4,1);
    00147           std::stringstream s(opt_val);
    00148           pool::DbOption opt(opt_nam);
    00149           float fval;
    00150           int   ival;
    00151           long long int lval;
    00152           switch(::toupper(opt_typ[0])) {
    00153             case 'I':
    00154               s >> ival;
    00155               opt._setValue(ival);
    00156               pObj->setOption(opt);
    00157               break;
    00158             case 'L':
    00159               s >> lval;
    00160               opt._setValue(lval);
    00161               pObj->setOption(opt);
    00162               break;
    00163             case 'F':
    00164               s >> fval;
    00165               opt._setValue(fval);
    00166               pObj->setOption(opt);
    00167               break;
    00168             case 'S':
    00169               opt._setValue(opt_val.c_str());
    00170               pObj->setOption(opt);
    00171               break;
    00172             default:
    00173               break;
    00174           }
    00175         }
    00176       }
    00177     }
    00178   }
    00179   return pool::Success;
    00180 }

## Member Data Documentation

pool::DbSession PoolDbCacheSvc::m_session`[protected]`

The POOL database session.

Definition at line 38 of file PoolDbCacheSvc.h.

pool::DbOptionCallback* PoolDbCacheSvc::m_callbackHandler`[protected]`

Reference to POOL callback handler.

Definition at line 41 of file PoolDbCacheSvc.h.

std::vector<std::string> PoolDbCacheSvc::m_dlls`[protected]`

Driver DLL to be loaded at initialization.

Definition at line 44 of file PoolDbCacheSvc.h.

std::vector<std::string> PoolDbCacheSvc::m_domainOpts`[protected]`

Buffer for domain options.

Definition at line 47 of file PoolDbCacheSvc.h.

std::vector<std::string> PoolDbCacheSvc::m_databaseOpts`[protected]`

Buffer for database options.

Definition at line 50 of file PoolDbCacheSvc.h.

std::vector<std::string> PoolDbCacheSvc::m_databaseOpenOpts`[protected]`

Buffer for database options to be set after "open".

Definition at line 53 of file PoolDbCacheSvc.h.

std::vector<std::string> PoolDbCacheSvc::m_containerOpts`[protected]`

Buffer for container options.

Definition at line 56 of file PoolDbCacheSvc.h.

std::vector<std::string> PoolDbCacheSvc::m_containerOpenOpts`[protected]`

Buffer for container options to be set after "open".

Definition at line 59 of file PoolDbCacheSvc.h.

std::vector<System::ImageHandle> PoolDbCacheSvc::m_sharedHdls`[protected]`

Shared Gaudi libraries.

Definition at line 62 of file PoolDbCacheSvc.h.

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

- /afs/cern.ch/sw/Gaudi/releases/GAUDI/GAUDI_v21r11/GaudiPoolDb/GaudiPoolDb/PoolDbCacheSvc.h
- /afs/cern.ch/sw/Gaudi/releases/GAUDI/GAUDI_v21r11/GaudiPoolDb/src/PoolDbCacheSvc.cpp