Go to the documentation of this file.00001 #ifndef STORAGE_FACTORY_STORAGE_ACCOUNT_PROXY_H
00002 # define STORAGE_FACTORY_STORAGE_ACCOUNT_PROXY_H
00003
00004 # include "Utilities/StorageFactory/interface/StorageAccount.h"
00005 # include "Utilities/StorageFactory/interface/Storage.h"
00006 # include <string>
00007
00016 class StorageAccountProxy : public Storage
00017 {
00018 public:
00019 StorageAccountProxy (const std::string &storageClass, Storage *baseStorage);
00020 ~StorageAccountProxy (void);
00021
00022 using Storage::read;
00023 using Storage::write;
00024
00025 virtual bool prefetch (const IOPosBuffer *what, IOSize n);
00026 virtual IOSize read (void *into, IOSize n);
00027 virtual IOSize read (void *into, IOSize n, IOOffset pos);
00028 virtual IOSize readv (IOBuffer *into, IOSize n);
00029 virtual IOSize readv (IOPosBuffer *into, IOSize n);
00030 virtual IOSize write (const void *from, IOSize n);
00031 virtual IOSize write (const void *from, IOSize n, IOOffset pos);
00032 virtual IOSize writev (const IOBuffer *from, IOSize n);
00033 virtual IOSize writev (const IOPosBuffer *from, IOSize n);
00034
00035 virtual IOOffset position (IOOffset offset, Relative whence = SET);
00036 virtual void resize (IOOffset size);
00037 virtual void flush (void);
00038 virtual void close (void);
00039
00040 protected:
00041 std::string m_storageClass;
00042 Storage *m_baseStorage;
00043
00044 StorageAccount::Counter &m_statsRead;
00045 StorageAccount::Counter &m_statsReadV;
00046 StorageAccount::Counter &m_statsWrite;
00047 StorageAccount::Counter &m_statsWriteV;
00048 StorageAccount::Counter &m_statsPosition;
00049 StorageAccount::Counter &m_statsPrefetch;
00050 };
00051
00052 #endif // STORAGE_FACTORY_STORAGE_ACCOUNT_PROXY_H
1.7.3