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DataProxy< RecordT, DataT > Class Template Reference

Description: Base class for data Proxies held by a EventSetupRecord. More...

#include <FWCore/Framework/interface/DataProxy.h>

Inheritance diagram for DataProxy< RecordT, DataT >:

List of all members.

Public Member Functions
	DataProxy (cond::Connection *connection, std::map< std::string, std::string >::iterator &pDatumToToken)
Protected Member Functions
virtual void	invalidateCache ()
	indicates that the Proxy should invalidate any cached information as that information has 'expired'
virtual const DataT *	make (const RecordT &, const edm::eventsetup::DataKey &)
Private Member Functions
const DataProxy &	operator= (const DataProxy &)
Private Attributes
cond::Connection *	m_connection
pool::Ref< DataT >	m_data
std::map< std::string, std::string >::iterator	m_pDatumToToken

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Detailed Description

template<class RecordT, class DataT>
class DataProxy< RecordT, DataT >

Description: Base class for data Proxies held by a EventSetupRecord.

Usage: <usage>

Definition at line 14 of file DataProxy.h.

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Constructor & Destructor Documentation

template<class RecordT, class DataT>

DataProxy< RecordT, DataT >::DataProxy	(	cond::Connection *	connection,
		std::map< std::string, std::string >::iterator &	pDatumToToken
	)			[inline]

Definition at line 22 of file DataProxy.h.

                                                                                             : m_connection(connection), m_pDatumToToken(pDatumToToken) { 
    //NOTE: We do this so that the type 'DataT' will get registered
    // when the plugin is dynamically loaded
    //std::cout<<"DataProxy constructor"<<std::endl;
    edm::eventsetup::DataKey::makeTypeTag<DataT>();
    //std::cout<<"about to get out of DataProxy constructor"<<std::endl;
  }

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Member Function Documentation

template<class RecordT, class DataT>

virtual void DataProxy< RecordT, DataT >::invalidateCache

(

)

[inline, protected, virtual]

indicates that the Proxy should invalidate any cached information as that information has 'expired'

Implements edm::eventsetup::DataProxy.

Definition at line 52 of file DataProxy.h.

References DataProxy< RecordT, DataT >::m_data.

                                 {
    m_data.clear();
  }

template<class RecordT, class DataT>

virtual const DataT* DataProxy< RecordT, DataT >::make	(	const RecordT &	,
		const edm::eventsetup::DataKey &
	)			[inline, protected, virtual]

Implements edm::eventsetup::DataProxyTemplate< RecordT, DataT >.

Definition at line 38 of file DataProxy.h.

References cond::PoolTransaction::commit(), Exception, DataProxy< RecordT, DataT >::m_connection, DataProxy< RecordT, DataT >::m_data, DataProxy< RecordT, DataT >::m_pDatumToToken, cond::PoolTransaction::poolDataSvc(), cond::Connection::poolTransaction(), HLT_VtxMuL3::result, and cond::PoolTransaction::start().

                                                                         {
    DataT* result=0;
    //std::cout<<"DataT make "<<std::endl;
    cond::PoolTransaction& pooldb=m_connection->poolTransaction();
    pooldb.start(true);      
    pool::Ref<DataT> mydata(&(pooldb.poolDataSvc()),m_pDatumToToken->second);
    result=mydata.ptr();
    m_data.copyShallow(mydata);
    pooldb.commit();
    if(!result){
      throw cond::Exception("DataProxy::make: null result");
    }
    return result;
  }

template<class RecordT, class DataT>

const DataProxy& DataProxy< RecordT, DataT >::operator=

(

const DataProxy< RecordT, DataT > &

)

[private]

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Member Data Documentation

template<class RecordT, class DataT>

cond::Connection* DataProxy< RecordT, DataT >::m_connection [private]

Definition at line 59 of file DataProxy.h.

Referenced by DataProxy< RecordT, DataT >::make(), and DataProxy< IdealGeometryRecord, DDCompactView >::make().

template<class RecordT, class DataT>

pool::Ref<DataT> DataProxy< RecordT, DataT >::m_data [private]

Definition at line 61 of file DataProxy.h.

Referenced by DataProxy< RecordT, DataT >::invalidateCache(), DataProxy< IdealGeometryRecord, DDCompactView >::invalidateCache(), DataProxy< RecordT, DataT >::make(), and DataProxy< IdealGeometryRecord, DDCompactView >::make().

template<class RecordT, class DataT>

std::map<std::string,std::string>::iterator DataProxy< RecordT, DataT >::m_pDatumToToken [private]

Definition at line 60 of file DataProxy.h.

Referenced by DataProxy< RecordT, DataT >::make(), and DataProxy< IdealGeometryRecord, DDCompactView >::make().

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

• CondCore/PluginSystem/interface/DataProxy.h

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