MultiFileCatalog.h

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00001 #ifndef GAUDIUTILS_MULTIFILECATALOG_H
00002 #define GAUDIUTILS_MULTIFILECATALOG_H
00003 
00004 #include "GaudiKernel/Service.h"
00005 #include "GaudiUtils/IFileCatalog.h"
00006 #include "GaudiUtils/IFileCatalogMgr.h"
00007 
00008 /*
00009  *   Gaudi namespace declaration
00010  */
00011 namespace Gaudi {
00012 
00020   class MultiFileCatalog: public extends2<Service, IFileCatalog, IFileCatalogMgr>
00021   {
00022   protected:
00023     typedef const std::string&         CSTR;
00024     typedef std::vector<IFileCatalog*> Catalogs;
00025     typedef std::vector<std::string>   CatalogNames;
00026 
00027     template <class T> void _exec(T pmf)  const  {
00028       for(Catalogs::const_iterator i=m_catalogs.begin(); i != m_catalogs.end(); ++i)
00029         ((*i)->*pmf)();
00030     }
00031     template <class A1,class F> std::string _find(A1& arg1,F pmf)  const {
00032       std::string result;
00033       for(Catalogs::const_iterator i=m_catalogs.begin(); i != m_catalogs.end(); ++i)
00034         if ( !(result= ((*i)->*pmf)(arg1)).empty() ) break;
00035       return result;
00036     }
00037     template <class A1,class F> void _collect(A1 arg1,F pmf)  const {
00038       A1 tmp;
00039       for(Catalogs::const_iterator i=m_catalogs.begin();i!=m_catalogs.end();++i,tmp.clear()) {
00040         ((*i)->*pmf)(tmp);
00041         arg1.insert(arg1.end(),tmp.begin(),tmp.end());
00042       }
00043     }
00044     template <class A1,class A2,class F> void _collect(A1 arg1,A2& arg2,F pmf)  const {
00045       A2 tmp;
00046       for(Catalogs::const_iterator i=m_catalogs.begin();i!=m_catalogs.end();++i,tmp.clear()) {
00047         ((*i)->*pmf)(arg1,tmp);
00048         arg2.insert(arg2.end(),tmp.begin(),tmp.end());
00049       }
00050     }
00051   public:
00053     MultiFileCatalog(const std::string& nam, ISvcLocator* svc);
00055     virtual ~MultiFileCatalog();
00056 
00058 
00059     virtual StatusCode initialize();
00061     virtual StatusCode finalize();
00062 
00064 
00065     virtual std::string createFID() const;
00067     virtual CSTR connectInfo() const;
00069     virtual void init()
00070     {  _exec(&IFileCatalog::init); m_started=true;                           }
00072     virtual void commit()                   { _exec(&IFileCatalog::commit);   }
00074     virtual void rollback()                 { _exec(&IFileCatalog::rollback); }
00076     virtual bool readOnly() const;
00078     virtual bool dirty() const;
00080     virtual bool existsPFN(CSTR pfn)  const
00081     { return !lookupPFN(pfn).empty();                                         }
00083     virtual std::string lookupPFN(CSTR pfn) const
00084     {  return _find(pfn,&IFileCatalog::lookupPFN);                            }
00086     virtual bool existsLFN(CSTR lfn)  const
00087     { return !lookupLFN(lfn).empty();                                         }
00089     virtual std::string lookupLFN(CSTR lfn) const
00090     {  return _find(lfn,&IFileCatalog::lookupLFN);                            }
00092     virtual bool existsFID(CSTR fid)  const
00093     {  return 0 != getCatalog(fid,false,false,false);                          }
00095     virtual void getPFN(CSTR fid, Files& files) const
00096     {  _collect(fid,files,&IFileCatalog::getPFN);                             }
00098     virtual void getLFN(CSTR fid, Files& files) const
00099     {  _collect(fid,files,&IFileCatalog::getLFN);                             }
00100 
00102     virtual void getFID(Strings& fids)  const
00103     {  _collect(fids,&IFileCatalog::getFID);                                  }
00105     virtual void deleteFID(CSTR fid)  const
00106     {  writeCatalog(fid)->deleteFID(fid);                                     }
00108     virtual void registerPFN(CSTR fid, CSTR pfn, CSTR ftype) const;
00110     virtual void registerLFN(CSTR fid, CSTR lfn) const;
00112     virtual void registerFID(CSTR fid) const
00113     {  writeCatalog()->registerFID(fid);                                      }
00115     virtual void getMetaData(CSTR fid, Attributes& attr) const
00116     {  _collect(fid,attr,&IFileCatalog::getMetaData);                         }
00118     virtual std::string getMetaDataItem(CSTR fid, CSTR name) const;
00120     virtual void setMetaData(CSTR fid, CSTR attr, CSTR val) const
00121     {  writeCatalog(fid)->setMetaData(fid,attr,val);                          }
00123     virtual void dropMetaData(CSTR fid) const
00124     {  writeCatalog(fid)->dropMetaData(fid);                                  }
00126     virtual void dropMetaData(CSTR fid, CSTR attr) const
00127     {  writeCatalog(fid)->dropMetaData(fid,attr);                             }
00128 
00130 
00131     virtual IFileCatalog* findCatalog(CSTR connect, bool must_be_writable) const;
00133     virtual void addCatalog(CSTR connect);
00135     virtual void addCatalog(IFileCatalog* cat);
00137     virtual void removeCatalog(CSTR connect);
00139     virtual void removeCatalog(const IFileCatalog* cat);
00141     virtual Catalogs& catalogs()                    { return m_catalogs;      }
00143     virtual const Catalogs& catalogs()  const       { return m_catalogs;      }
00145     virtual IFileCatalog* writeCatalog(CSTR fid="") const
00146     {  return getCatalog(fid,true,true,false);                                }
00148     virtual void setWriteCatalog(IFileCatalog* cat);
00150     virtual void setWriteCatalog(CSTR connect);
00151 
00152   private:
00154     IFileCatalog* getCatalog(CSTR fid, bool throw_if_not, bool writable=true, bool prt=true) const;
00156     Catalogs::iterator i_findCatalog(CSTR connect, bool must_be_writable);
00157 
00160     void propHandler(Property& /* p */);
00161 
00162     void printError(CSTR msg, bool throw_exc=true) const;
00163     std::string lookupFID(CSTR lfn) const;
00164 
00166     Catalogs        m_catalogs;
00168     CatalogNames    m_catalogNames;
00170     bool            m_started;
00172     CatalogNames    m_oldNames;
00173   };
00174 }         /* End namespace Gaudi                 */
00175 #endif    /* GAUDIUTILS_MULTIFILECATALOG_H */
Gaudi Framework, version v22r0

MultiFileCatalog.h
