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/data/refman/pasoursint/CMSSW_4_1_8_patch13/src/CondCore/MetaDataService/src/MetaData.cc

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00001 #include "CondCore/MetaDataService/interface/MetaData.h"
00002 #include "CondCore/ORA/interface/Database.h"
00003 #include "CondCore/ORA/interface/PoolToken.h"
00004 #include "CondCore/DBCommon/interface/Exception.h"
00005 #include "RelationalAccess/SchemaException.h"
00006 #include <memory>
00007 //#include <iostream>
00008 
00009 
00010 namespace {
00011 
00012     std::string mdErrorPrefix(const std::string& source, const std::string& name) {
00013       return source+std::string(": metadata entry \"")+name+std::string("\" ");
00014     }
00015     
00016 
00017     void mdError(const std::string& source, const std::string& name, const std::string& mess) {
00018       throw cond::Exception(mdErrorPrefix(source,name)+mess);
00019     }
00020     
00021     void mdDuplicateEntryError(const std::string& source, const std::string& name) {
00022       mdError(source, name, "Already exists");
00023     }
00024 
00025     void mdNoEntry(const std::string& source, const std::string& name) {
00026       mdError(source, name, "does not exists");
00027     }
00028 
00029 }
00030 
00031 
00032 cond::MetaData::MetaData(cond::DbSession& userSession):m_userSession( userSession ){
00033 }
00034 cond::MetaData::~MetaData(){
00035 }
00036 bool 
00037 cond::MetaData::addMapping(const std::string& name, 
00038                            const std::string& iovtoken, 
00039                            cond::TimeType timetype ){
00040   try{
00041     std::pair<std::string,int> oid = parseToken( iovtoken );
00042     ora::Container cont = m_userSession.storage().containerHandle( oid.first );
00043     cont.setItemName( name, oid.second );
00044   }catch( const coral::DuplicateEntryInUniqueKeyException& er ){
00045     mdDuplicateEntryError("addMapping",name);
00046   }catch(std::exception& er){
00047     mdError("MetaData::addMapping",name,er.what());
00048   }
00049   return true;
00050 }
00051 
00052 const std::string 
00053 cond::MetaData::getToken( const std::string& name ) const{
00054   bool ok=false;
00055   std::string iovtoken("");
00056   if(!m_userSession.storage().exists())
00057     return iovtoken;
00058   try{
00059     ora::OId oid;
00060     ok = m_userSession.storage().getItemId( name, oid );
00061     if(ok) {
00062       ora::Container cont = m_userSession.storage().containerHandle( oid.containerId() );
00063       iovtoken = writeToken( cont.name(), oid.containerId(), oid.itemId(), cont.className() );  
00064     }
00065   }catch(const std::exception& er){
00066     mdError("MetaData::getToken", name,er.what() );
00067   }
00068   if (!ok) mdNoEntry("MetaData::getToken", name);
00069   return iovtoken;
00070 }
00071 
00072 bool cond::MetaData::hasTag( const std::string& name ) const{
00073   bool result=false;
00074   if(!m_userSession.storage().exists())
00075     return result;
00076   try{
00077     ora::OId oid;
00078     result = m_userSession.storage().getItemId( name, oid );
00079   }catch(const std::exception& er){
00080     mdError("MetaData::hasTag", name, er.what() );
00081   }
00082   return result;
00083 }
00084 
00085 void 
00086 cond::MetaData::listAllTags( std::vector<std::string>& result ) const{
00087   try{
00088     m_userSession.storage().listObjectNames( result );
00089   }catch(const std::exception& er){
00090     throw cond::Exception( std::string("MetaData::listAllTags: " )+er.what() );
00091   }
00092 }
00093 
00094 void 
00095 cond::MetaData::deleteAllEntries(){
00096   try{
00097     m_userSession.storage().eraseAllNames();
00098   }catch(const std::exception& er){
00099     throw cond::Exception( std::string("MetaData::deleteAllEntries: " )+er.what() );
00100   }
00101 }
00102 
00103 void cond::MetaData::deleteEntryByTag( const std::string& tag ){
00104   try{
00105     m_userSession.storage().eraseObjectName( tag );   
00106   }catch(const std::exception& er){
00107     throw cond::Exception( std::string("MetaData::deleteEntryByTag: " )+er.what() );
00108   }
00109 }