Gaudi Framework, version v21r8
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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 58 of file PoolDbCacheSvc.cpp.

00059   : base_class(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 201 of file PoolDbCacheSvc.cpp.

00201                                           {
00202   StatusCode status = StatusCode::SUCCESS;
00203   if ( !m_dlls.empty() )  {
00204     std::vector<std::string>::const_iterator i;
00205     for(i=m_dlls.begin(); i != m_dlls.end(); ++i)  {
00206       StatusCode iret = loadDictionary(*i);
00207       if ( !iret.isSuccess() )  {
00208         status = iret;
00209       }
00210     }
00211   }
00212   return status;
00213 }

StatusCode PoolDbCacheSvc::initialize (  )  [virtual]

Service overload: initialize service.

Reimplemented from Service.

Definition at line 78 of file PoolDbCacheSvc.cpp.

00078                                        {
00079   StatusCode status = Service::initialize();
00080   MsgStream log(msgSvc(), name());
00081   if ( !status.isSuccess() ) {
00082     log << MSG::ERROR << "Failed to initialize Service base class."
00083         << endmsg;
00084     return status;
00085   }
00086   coral::MessageStream::installMsgReporter(new PoolDbMsgReporter(msgSvc(),m_outputLevel.value()));
00087   coral::MessageStream::setMsgVerbosity(static_cast<coral::MsgLevel>(m_outputLevel.value()));
00088 
00089   log << MSG::INFO << "POOL output threshold:" << m_outputLevel
00090       << endmsg;
00091   status = loadLibraries();
00092   if ( !status.isSuccess() ) {
00093     log << MSG::ERROR << "Failed to load POOL libraries."
00094         << endmsg;
00095     return status;
00096   }
00097   session().open(0);
00098   // All dictionaries should be loaded. Let's patch the streamers
00099   // for ContainedObject, DataObject and SmartRefbase
00100   if ( !GaudiPoolDb::patchStreamers(log) )  {
00101     log << MSG::ERROR << "Failed to install customized IO!" << endmsg;
00102     return StatusCode::FAILURE;
00103   }
00104   return status;
00105 }

StatusCode PoolDbCacheSvc::finalize ( void   )  [virtual]

Service overload: Finalize service.

Shared Gaudi libraries

Reimplemented from Service.

Definition at line 108 of file PoolDbCacheSvc.cpp.

00108                                       {
00109   MsgStream log(msgSvc(), name());
00110   session().close();
00112   std::vector<System::ImageHandle>::iterator i;
00113   for(i=m_sharedHdls.begin(); i != m_sharedHdls.end(); ++i)  {
00114     if ( *i ) {
00115       // System::unloadDynamicLib(*i);
00116     }
00117   }
00118   m_sharedHdls.clear();
00119   coral::MessageStream::installMsgReporter(0);
00120   return Service::finalize();
00121 }

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 216 of file PoolDbCacheSvc.cpp.

00216                                                               {
00217   System::ImageHandle hdl = 0;
00218   StatusCode status = System::loadDynamicLib(nam, &hdl);
00219   if ( !status.isSuccess() )  {
00220     MsgStream log(msgSvc(), name());
00221     log << MSG::ERROR << System::getLastErrorString() << endmsg
00222         << "Failed to load POOL implementation library:"
00223         << nam << endmsg;
00224     return status;
00225   }
00226   m_sharedHdls.push_back(hdl);
00227   return status;
00228 }

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.

Reimplemented from pool::DbOptionCallback.

Definition at line 179 of file PoolDbCacheSvc.cpp.

00182 {
00183   switch (typ)  {
00184     case pool::DbOptionCallback::_DOMAIN_OPT:
00185       return setCallbackOptions(pObj, m_domainOpts, name);
00186     case pool::DbOptionCallback::_DATABASE_OPT:
00187       return setCallbackOptions(pObj, m_databaseOpts, name);
00188     case pool::DbOptionCallback::_DATABASE_ONOPEN:
00189       return setCallbackOptions(pObj, m_databaseOpenOpts, name);
00190     case pool::DbOptionCallback::_CONTAINER_OPT:
00191       return setCallbackOptions(pObj, m_containerOpts, name);
00192     case pool::DbOptionCallback::_CONTAINER_ONOPEN:
00193       return setCallbackOptions(pObj, m_containerOpenOpts, name);
00194     default:
00195       break;
00196   }
00197   return pool::Error;
00198 }

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 125 of file PoolDbCacheSvc.cpp.

00128 {
00129   std::string opt_nam, opt_val, opt_typ;
00130   typedef std::vector<std::string> StringV;
00131   for (StringV::const_iterator i=v.begin(); i!=v.end(); ++i)  {
00132     const std::string& id = *i;
00133     if ( id.length() > obj.length() )   {
00134       if ( obj == id.substr(0, obj.length()) )  {
00135         std::string n = id.substr(obj.length()+1);
00136         size_t idx = n.find("=");
00137         size_t idx2 = n.find("TYP=");
00138         if ( idx != std::string::npos && idx2 != std::string::npos )  {
00139           opt_nam = n.substr(0, idx);
00140           opt_val = n.substr(idx+1, idx2-2-idx);
00141           opt_typ = n.substr(idx2+4,1);
00142           std::stringstream s(opt_val);
00143           pool::DbOption opt(opt_nam);
00144           float fval;
00145           int   ival;
00146           long long int lval;
00147           switch(::toupper(opt_typ[0])) {
00148             case 'I':
00149               s >> ival;
00150               opt._setValue(ival);
00151               pObj->setOption(opt);
00152               break;
00153             case 'L':
00154               s >> lval;
00155               opt._setValue(lval);
00156               pObj->setOption(opt);
00157               break;
00158             case 'F':
00159               s >> fval;
00160               opt._setValue(fval);
00161               pObj->setOption(opt);
00162               break;
00163             case 'S':
00164               opt._setValue(opt_val.c_str());
00165               pObj->setOption(opt);
00166               break;
00167             default:
00168               break;
00169           }
00170         }
00171       }
00172     }
00173   }
00174   return pool::Success;
00175 }

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:
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