| # Gaudi Framework, version v20r2
Generated: 18 Jul 2008

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# 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
    00021     : public Service,
    00022       virtual public IFileCatalog,
    00023       virtual public IFileCatalogMgr
    00024   {
    00025   protected:
    00026     typedef const std::string&         CSTR;
    00027     typedef std::vector<IFileCatalog*> Catalogs;
    00028     typedef std::vector<std::string>   CatalogNames;
    00029
    00030     template <class T> void _exec(T pmf)  const  {
    00031       for(Catalogs::const_iterator i=m_catalogs.begin(); i != m_catalogs.end(); ++i)
    00032         ((*i)->*pmf)();
    00033     }
    00034     template <class A1,class F> std::string _find(A1& arg1,F pmf)  const {
    00035       std::string result;
    00036       for(Catalogs::const_iterator i=m_catalogs.begin(); i != m_catalogs.end(); ++i)
    00037         if ( !(result= ((*i)->*pmf)(arg1)).empty() ) break;
    00038       return result;
    00039     }
    00040     template <class A1,class F> void _collect(A1 arg1,F pmf)  const {
    00041       A1 tmp;
    00042       for(Catalogs::const_iterator i=m_catalogs.begin();i!=m_catalogs.end();++i,tmp.clear()) {
    00043         ((*i)->*pmf)(tmp);
    00044         arg1.insert(arg1.end(),tmp.begin(),tmp.end());
    00045       }
    00046     }
    00047     template <class A1,class A2,class F> void _collect(A1 arg1,A2& arg2,F pmf)  const {
    00048       A2 tmp;
    00049       for(Catalogs::const_iterator i=m_catalogs.begin();i!=m_catalogs.end();++i,tmp.clear()) {
    00050         ((*i)->*pmf)(arg1,tmp);
    00051         arg2.insert(arg2.end(),tmp.begin(),tmp.end());
    00052       }
    00053     }
    00054   public:
    00056     MultiFileCatalog(const std::string& nam, ISvcLocator* svc);
    00058     virtual ~MultiFileCatalog();
    00059
    00061     virtual StatusCode queryInterface(const InterfaceID& id, void** ppv);
    00062
    00064
    00065     virtual StatusCode initialize();
    00067     virtual StatusCode finalize();
    00068
    00070
    00071     virtual std::string createFID() const;
    00073     virtual CSTR connectInfo() const;
    00075     virtual void init()
    00076     {  _exec(&IFileCatalog::init); m_started=true;                           }
    00078     virtual void commit()                   { _exec(&IFileCatalog::commit);   }
    00080     virtual void rollback()                 { _exec(&IFileCatalog::rollback); }
    00082     virtual bool readOnly() const;
    00084     virtual bool dirty() const;
    00086     virtual bool existsPFN(CSTR pfn)  const
    00087     { return !lookupPFN(pfn).empty();                                         }
    00089     virtual std::string lookupPFN(CSTR pfn) const
    00090     {  return _find(pfn,&IFileCatalog::lookupPFN);                            }
    00092     virtual bool existsLFN(CSTR lfn)  const
    00093     { return !lookupLFN(lfn).empty();                                         }
    00095     virtual std::string lookupLFN(CSTR lfn) const
    00096     {  return _find(lfn,&IFileCatalog::lookupLFN);                            }
    00098     virtual bool existsFID(CSTR fid)  const
    00099     {  return 0 != getCatalog(fid,false,false,false);                          }
    00101     virtual void getPFN(CSTR fid, Files& files) const
    00102     {  _collect(fid,files,&IFileCatalog::getPFN);                             }
    00104     virtual void getLFN(CSTR fid, Files& files) const
    00105     {  _collect(fid,files,&IFileCatalog::getLFN);                             }
    00106
    00108     virtual void getFID(Strings& fids)  const
    00109     {  _collect(fids,&IFileCatalog::getFID);                                  }
    00111     virtual void deleteFID(CSTR fid)  const
    00112     {  writeCatalog(fid)->deleteFID(fid);                                     }
    00114     virtual void registerPFN(CSTR fid, CSTR pfn, CSTR ftype) const;
    00116     virtual void registerLFN(CSTR fid, CSTR lfn) const;
    00118     virtual void registerFID(CSTR fid) const
    00119     {  writeCatalog()->registerFID(fid);                                      }
    00121     virtual void getMetaData(CSTR fid, Attributes& attr) const
    00122     {  _collect(fid,attr,&IFileCatalog::getMetaData);                         }
    00124     virtual std::string getMetaDataItem(CSTR fid, CSTR name) const;
    00126     virtual void setMetaData(CSTR fid, CSTR attr, CSTR val) const
    00127     {  writeCatalog(fid)->setMetaData(fid,attr,val);                          }
    00129     virtual void dropMetaData(CSTR fid) const
    00130     {  writeCatalog(fid)->dropMetaData(fid);                                  }
    00132     virtual void dropMetaData(CSTR fid, CSTR attr) const
    00133     {  writeCatalog(fid)->dropMetaData(fid,attr);                             }
    00134
    00136
    00137     virtual IFileCatalog* findCatalog(CSTR connect, bool must_be_writable) const;
    00139     virtual void addCatalog(CSTR connect);
    00141     virtual void addCatalog(IFileCatalog* cat);
    00143     virtual void removeCatalog(CSTR connect);
    00145     virtual void removeCatalog(const IFileCatalog* cat);
    00147     virtual Catalogs& catalogs()                    { return m_catalogs;      }
    00149     virtual const Catalogs& catalogs()  const       { return m_catalogs;      }
    00151     virtual IFileCatalog* writeCatalog(CSTR fid="") const
    00152     {  return getCatalog(fid,true,true,false);                                }
    00154     virtual void setWriteCatalog(IFileCatalog* cat);
    00156     virtual void setWriteCatalog(CSTR connect);
    00157
    00158   private:
    00160     IFileCatalog* getCatalog(CSTR fid, bool throw_if_not, bool writable=true, bool prt=true) const;
    00162     Catalogs::iterator i_findCatalog(CSTR connect, bool must_be_writable);
    00163
    00164     void printError(CSTR msg, bool throw_exc=true) const;
    00165     std::string lookupFID(CSTR lfn) const;
    00166
    00168     Catalogs        m_catalogs;
    00170     CatalogNames    m_catalogNames;
    00172     bool            m_started;
    00173   };
    00174 }         /* End namespace Gaudi                 */
    00175 #endif    /* GAUDIUTILS_MULTIFILECATALOG_H */