| # Gaudi Framework, version v20r4
Generated: 8 Jan 2009

# PoolDbCacheSvc Class Reference

`#include <PoolDb/PoolDbCacheSvc.h>`

Inheritance diagram for PoolDbCacheSvc:

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Collaboration diagram for PoolDbCacheSvc:

[legend]

List of all members.

## 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.

## Public Member Functions
| PoolDbCacheSvc (const std::string &name, ISvcLocator *svc)
| Standard constructor.
virtual | ~PoolDbCacheSvc ()
| Standard destructor.
virtual StatusCode | queryInterface (const InterfaceID &riid, void **ppvInterface)
| Service overload: Query interface.
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.

## Constructor & Destructor Documentation

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

Standard constructor.

Definition at line 58 of file PoolDbCacheSvc.cpp.

    00059   : Service(nam, svc), m_callbackHandler(0)
    00060 {
    00061   s_count->increment();
    00062   m_callbackHandler = this;
    00063   declareProperty("Dlls",               m_dlls);
    00064   declareProperty("DomainOpts",         m_domainOpts);
    00065   declareProperty("DatabaseOpts",       m_databaseOpts);
    00066   declareProperty("DatabaseOnOpenOpts", m_databaseOpenOpts);
    00067   declareProperty("ContainerOpts",      m_containerOpts);
    00068   declareProperty("ContainerOnOpenOpts",m_containerOpenOpts);
    00069 }

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

Standard destructor.

Definition at line 72 of file PoolDbCacheSvc.cpp.

    00073 {
    00074   s_count->decrement();
    00075 }

## Member Function Documentation

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

Load all required libraries.

Definition at line 213 of file PoolDbCacheSvc.cpp.

    00213                                           {
    00214   StatusCode status = StatusCode::SUCCESS;
    00215   if ( !m_dlls.empty() )  {
    00216     std::vector<std::string>::const_iterator i;
    00217     for(i=m_dlls.begin(); i != m_dlls.end(); ++i)  {
    00218       StatusCode iret = loadDictionary(*i);
    00219       if ( !iret.isSuccess() )  {
    00220         status = iret;
    00221       }
    00222     }
    00223   }
    00224   return status;
    00225 }

StatusCode PoolDbCacheSvc::queryInterface | ( | const InterfaceID & | riid,
|  | void ** | ppvInterface |
| ) |  |  | `[virtual]`

Service overload: Query interface.

Reimplemented from Service.

Definition at line 78 of file PoolDbCacheSvc.cpp.

    00079 {
    00080   if ( IPoolCacheSvc::interfaceID().versionMatch(riid) )  {
    00081     *ppvInterface = (IPoolCacheSvc*)this;
    00082     addRef();
    00083     return StatusCode::SUCCESS;
    00084   }
    00085   // Interface is not directly availible: try out a base class
    00086   return Service::queryInterface(riid, ppvInterface);
    00087 }

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

Service overload: initialize service.

Reimplemented from Service.

Definition at line 90 of file PoolDbCacheSvc.cpp.

    00090                                        {
    00091   StatusCode status = Service::initialize();
    00092   MsgStream log(messageService(), name());
    00093   if ( !status.isSuccess() ) {
    00094     log << MSG::ERROR << "Failed to initialize Service base class."
    00095         << endmsg;
    00096     return status;
    00097   }
    00098   coral::MessageStream::installMsgReporter(new PoolDbMsgReporter(messageService(),m_outputLevel.value()));
    00099   coral::MessageStream::setMsgVerbosity(static_cast<coral::MsgLevel>(m_outputLevel.value()));
    00100
    00101   log << MSG::INFO << "POOL output threshold:" << m_outputLevel
    00102       << endmsg;
    00103   status = loadLibraries();
    00104   if ( !status.isSuccess() ) {
    00105     log << MSG::ERROR << "Failed to load POOL libraries."
    00106         << endmsg;
    00107     return status;
    00108   }
    00109   session().open(0);
    00110   // All dictionaries should be loaded. Let's patch the streamers
    00111   // for ContainedObject, DataObject and SmartRefbase
    00112   if ( !GaudiPoolDb::patchStreamers(log) )  {
    00113     log << MSG::ERROR << "Failed to install customized IO!" << endmsg;
    00114     return StatusCode::FAILURE;
    00115   }
    00116   return status;
    00117 }

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

Service overload: Finalize service.

Shared Gaudi libraries

Reimplemented from Service.

Definition at line 120 of file PoolDbCacheSvc.cpp.

    00120                                       {
    00121   MsgStream log(messageService(), name());
    00122   session().close();
    00124   std::vector<System::ImageHandle>::iterator i;
    00125   for(i=m_sharedHdls.begin(); i != m_sharedHdls.end(); ++i)  {
    00126     if ( *i ) {
    00127       // System::unloadDynamicLib(*i);
    00128     }
    00129   }
    00130   m_sharedHdls.clear();
    00131   coral::MessageStream::installMsgReporter(0);
    00132   return Service::finalize();
    00133 }

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

Access the (single) POOL database session.

Returns:
  Reference to POOL session handle

Implements IPoolCacheSvc.

Definition at line 89 of file PoolDbCacheSvc.h.

    00089                                       {
    00090     return m_session;
    00091   }

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 228 of file PoolDbCacheSvc.cpp.

    00228                                                               {
    00229   System::ImageHandle hdl = 0;
    00230   StatusCode status = System::loadDynamicLib(nam, &hdl);
    00231   if ( !status.isSuccess() )  {
    00232     MsgStream log(messageService(), name());
    00233     log << MSG::ERROR << System::getLastErrorString() << endmsg
    00234         << "Failed to load POOL implementation library:"
    00235         << nam << endmsg;
    00236     return status;
    00237   }
    00238   m_sharedHdls.push_back(hdl);
    00239   return status;
    00240 }

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

Access to POOL callback handler.

Returns:
  Reference to POOL callback handler

Implements IPoolCacheSvc.

Definition at line 103 of file PoolDbCacheSvc.h.

    00103                                                          {
    00104     return m_callbackHandler;
    00105   }

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.

Reimplemented from pool::DbOptionCallback.

Definition at line 191 of file PoolDbCacheSvc.cpp.

    00194 {
    00195   switch (typ)  {
    00196     case pool::DbOptionCallback::_DOMAIN_OPT:
    00197       return setCallbackOptions(pObj, m_domainOpts, name);
    00198     case pool::DbOptionCallback::_DATABASE_OPT:
    00199       return setCallbackOptions(pObj, m_databaseOpts, name);
    00200     case pool::DbOptionCallback::_DATABASE_ONOPEN:
    00201       return setCallbackOptions(pObj, m_databaseOpenOpts, name);
    00202     case pool::DbOptionCallback::_CONTAINER_OPT:
    00203       return setCallbackOptions(pObj, m_containerOpts, name);
    00204     case pool::DbOptionCallback::_CONTAINER_ONOPEN:
    00205       return setCallbackOptions(pObj, m_containerOpenOpts, name);
    00206     default:
    00207       break;
    00208   }
    00209   return pool::Error;
    00210 }

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 137 of file PoolDbCacheSvc.cpp.

    00140 {
    00141   std::string opt_nam, opt_val, opt_typ;
    00142   typedef std::vector<std::string> StringV;
    00143   for (StringV::const_iterator i=v.begin(); i!=v.end(); ++i)  {
    00144     const std::string& id = *i;
    00145     if ( id.length() > obj.length() )   {
    00146       if ( obj == id.substr(0, obj.length()) )  {
    00147         std::string n = id.substr(obj.length()+1);
    00148         size_t idx = n.find("=");
    00149         size_t idx2 = n.find("TYP=");
    00150         if ( idx != std::string::npos && idx2 != std::string::npos )  {
    00151           opt_nam = n.substr(0, idx);
    00152           opt_val = n.substr(idx+1, idx2-2-idx);
    00153           opt_typ = n.substr(idx2+4,1);
    00154           std::stringstream s(opt_val);
    00155           pool::DbOption opt(opt_nam);
    00156           float fval;
    00157           int   ival;
    00158           long long int lval;
    00159           switch(::toupper(opt_typ[0])) {
    00160             case 'I':
    00161               s >> ival;
    00162               opt._setValue(ival);
    00163               pObj->setOption(opt);
    00164               break;
    00165             case 'L':
    00166               s >> lval;
    00167               opt._setValue(lval);
    00168               pObj->setOption(opt);
    00169               break;
    00170             case 'F':
    00171               s >> fval;
    00172               opt._setValue(fval);
    00173               pObj->setOption(opt);
    00174               break;
    00175             case 'S':
    00176               opt._setValue(opt_val.c_str());
    00177               pObj->setOption(opt);
    00178               break;
    00179             default:
    00180               break;
    00181           }
    00182         }
    00183       }
    00184     }
    00185   }
    00186   return pool::Success;
    00187 }

## Member Data Documentation

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

The POOL database session.

Definition at line 39 of file PoolDbCacheSvc.h.

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

Reference to POOL callback handler.

Definition at line 42 of file PoolDbCacheSvc.h.

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

Driver DLL to be loaded at initialization.

Definition at line 45 of file PoolDbCacheSvc.h.

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

Buffer for domain options.

Definition at line 48 of file PoolDbCacheSvc.h.

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

Buffer for database options.

Definition at line 51 of file PoolDbCacheSvc.h.

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

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

Definition at line 54 of file PoolDbCacheSvc.h.

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

Buffer for container options.

Definition at line 57 of file PoolDbCacheSvc.h.

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

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

Definition at line 60 of file PoolDbCacheSvc.h.

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

Shared Gaudi libraries.

Definition at line 63 of file PoolDbCacheSvc.h.

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

- /afs/cern.ch/sw/Gaudi/releases/GAUDI/GAUDI_v20r4/GaudiPoolDb/GaudiPoolDb/PoolDbCacheSvc.h
- /afs/cern.ch/sw/Gaudi/releases/GAUDI/GAUDI_v20r4/GaudiPoolDb/src/PoolDbCacheSvc.cpp