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 
00166     void propHandler(Property& /* p */);
00167 
00168     void printError(CSTR msg, bool throw_exc=true) const;
00169     std::string lookupFID(CSTR lfn) const;
00170 
00172     Catalogs        m_catalogs;
00174     CatalogNames    m_catalogNames;
00176     bool            m_started;
00178     CatalogNames    m_oldNames;
00179   };
00180 }         /* End namespace Gaudi                 */
00181 #endif    /* GAUDIUTILS_MULTIFILECATALOG_H */
	Gaudi Framework, version v20r4
	Generated: 8 Jan 2009
Gaudi Framework, version v20r4

MultiFileCatalog.h
