Gaudi Framework, version v22r4
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Public Member Functions | Protected Member Functions | Protected Attributes

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.

  : base_class(nam, svc), m_callbackHandler(0)
{
  s_count->increment();
  m_callbackHandler = this;
  declareProperty("Dlls",               m_dlls);
  declareProperty("DomainOpts",         m_domainOpts);
  declareProperty("DatabaseOpts",       m_databaseOpts);
  declareProperty("DatabaseOnOpenOpts", m_databaseOpenOpts);
  declareProperty("ContainerOpts",      m_containerOpts);
  declareProperty("ContainerOnOpenOpts",m_containerOpenOpts);
}
PoolDbCacheSvc::~PoolDbCacheSvc (  ) [virtual]

Standard destructor.

Definition at line 77 of file PoolDbCacheSvc.cpp.

{
  s_count->decrement();
}

Member Function Documentation

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.

                                                         {
    return m_callbackHandler;
  }
StatusCode PoolDbCacheSvc::finalize ( void   ) [virtual]

Service overload: Finalize service.

Shared Gaudi libraries

Reimplemented from Service.

Definition at line 113 of file PoolDbCacheSvc.cpp.

                                      {
  MsgStream log(msgSvc(), name());
  session().close();
  std::vector<System::ImageHandle>::iterator i;
  for(i=m_sharedHdls.begin(); i != m_sharedHdls.end(); ++i)  {
    if ( *i ) {
      // System::unloadDynamicLib(*i);
    }
  }
  m_sharedHdls.clear();
  coral::MessageStream::installMsgReporter(0);
  return Service::finalize();
}
StatusCode PoolDbCacheSvc::initialize ( void   ) [virtual]

Service overload: initialize service.

Reimplemented from Service.

Definition at line 83 of file PoolDbCacheSvc.cpp.

                                       {
  StatusCode status = Service::initialize();
  MsgStream log(msgSvc(), name());
  if ( !status.isSuccess() ) {
    log << MSG::ERROR << "Failed to initialize Service base class."
        << endmsg;
    return status;
  }
  coral::MessageStream::installMsgReporter(new PoolDbMsgReporter(msgSvc(),m_outputLevel.value()));
  coral::MessageStream::setMsgVerbosity(static_cast<coral::MsgLevel>(m_outputLevel.value()));

  log << MSG::INFO << "POOL output threshold:" << m_outputLevel
      << endmsg;
  status = loadLibraries();
  if ( !status.isSuccess() ) {
    log << MSG::ERROR << "Failed to load POOL libraries."
        << endmsg;
    return status;
  }
  session().open(0);
  // All dictionaries should be loaded. Let's patch the streamers
  // for ContainedObject, DataObject and SmartRefbase
  if ( !GaudiPoolDb::patchStreamers(log) )  {
    log << MSG::ERROR << "Failed to install customized IO!" << endmsg;
    return StatusCode::FAILURE;
  }
  return status;
}
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.

                                                              {
  System::ImageHandle hdl = 0;
  StatusCode status = System::loadDynamicLib(nam, &hdl);
  if ( !status.isSuccess() )  {
    MsgStream log(msgSvc(), name());
    log << MSG::ERROR << System::getLastErrorString() << endmsg
        << "Failed to load POOL implementation library:"
        << nam << endmsg;
    return status;
  }
  m_sharedHdls.push_back(hdl);
  return status;
}
StatusCode PoolDbCacheSvc::loadLibraries (  ) [protected]

Load all required libraries.

Definition at line 206 of file PoolDbCacheSvc.cpp.

                                          {
  StatusCode status = StatusCode::SUCCESS;
  if ( !m_dlls.empty() )  {
    std::vector<std::string>::const_iterator i;
    for(i=m_dlls.begin(); i != m_dlls.end(); ++i)  {
      StatusCode iret = loadDictionary(*i);
      if ( !iret.isSuccess() )  {
        status = iret;
      }
    }
  }
  return status;
}
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.

                                      {
    return m_session;
  }
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.

{
  std::string opt_nam, opt_val, opt_typ;
  typedef std::vector<std::string> StringV;
  for (StringV::const_iterator i=v.begin(); i!=v.end(); ++i)  {
    const std::string& id = *i;
    if ( id.length() > obj.length() )   {
      if ( obj == id.substr(0, obj.length()) )  {
        std::string n = id.substr(obj.length()+1);
        size_t idx = n.find("=");
        size_t idx2 = n.find("TYP=");
        if ( idx != std::string::npos && idx2 != std::string::npos )  {
          opt_nam = n.substr(0, idx);
          opt_val = n.substr(idx+1, idx2-2-idx);
          opt_typ = n.substr(idx2+4,1);
          std::stringstream s(opt_val);
          pool::DbOption opt(opt_nam);
          float fval;
          int   ival;
          long long int lval;
          switch(::toupper(opt_typ[0])) {
            case 'I':
              s >> ival;
              opt._setValue(ival);
              pObj->setOption(opt);
              break;
            case 'L':
              s >> lval;
              opt._setValue(lval);
              pObj->setOption(opt);
              break;
            case 'F':
              s >> fval;
              opt._setValue(fval);
              pObj->setOption(opt);
              break;
            case 'S':
              opt._setValue(opt_val.c_str());
              pObj->setOption(opt);
              break;
            default:
              break;
          }
        }
      }
    }
  }
  return pool::Success;
}
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 184 of file PoolDbCacheSvc.cpp.

{
  switch (typ)  {
    case pool::DbOptionCallback::_DOMAIN_OPT:
      return setCallbackOptions(pObj, m_domainOpts, name);
    case pool::DbOptionCallback::_DATABASE_OPT:
      return setCallbackOptions(pObj, m_databaseOpts, name);
    case pool::DbOptionCallback::_DATABASE_ONOPEN:
      return setCallbackOptions(pObj, m_databaseOpenOpts, name);
    case pool::DbOptionCallback::_CONTAINER_OPT:
      return setCallbackOptions(pObj, m_containerOpts, name);
    case pool::DbOptionCallback::_CONTAINER_ONOPEN:
      return setCallbackOptions(pObj, m_containerOpenOpts, name);
    default:
      break;
  }
  return pool::Error;
}

Member Data Documentation

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_containerOpenOpts [protected]

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

Definition at line 59 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_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_databaseOpts [protected]

Buffer for database options.

Definition at line 50 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.

pool::DbSession PoolDbCacheSvc::m_session [protected]

The POOL database session.

Definition at line 38 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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