pool::FileDescriptor Class Reference

Description: More...

#include <StorageSvc/FileDescriptor.h>

Collaboration diagram for pool::FileDescriptor:

Public Member Functions
	FileDescriptor ()
	Standard Constructor.
	FileDescriptor (const FileID &fid, const std::string &pfn)
	Constructor with initializing arguments.
void	initFromFilename (const std::string &filename)
	Generate new FID from the filename.
const std::string &	PFN () const
	Access to physical file name (READ).
void	setPFN (const std::string &val)
	Access to physical file name (WRITE).
const FileID &	FID () const
	Access to file identifier (READ).
void	setFID (const FileID &val)
	Access to file identifier (WRITE).
DbConnection *	dbc ()
	Access to file descriptor (READ).
const DbConnection *	dbc () const
void	setDbc (DbConnection *val)
	Access to file descriptor (WRITE).

Private Attributes
FileID	m_FID
	File Identifier (UNIQUE).
std::string	m_PFN
	Physical file name.
DbConnection *	m_DBC
	Handle to the Database connection.

Detailed Description

Description:

Definition of a small class capable to encapsulate a file in terms of file handle, of the generic Db data handle.

Author

M.Frank

Version

1.0

Definition at line 40 of file FileDescriptor.h.

Constructor & Destructor Documentation

FileDescriptor() [1/2]

pool::FileDescriptor::FileDescriptor ( )

inline

Standard Constructor.

Definition at line 51 of file FileDescriptor.h.

: m_DBC(0)             {                     }

FileDescriptor() [2/2]

pool::FileDescriptor::FileDescriptor ( const FileID & fid, const std::string & pfn )

inline

Constructor with initializing arguments.

Definition at line 53 of file FileDescriptor.h.

      : m_FID(fid), m_PFN(pfn), m_DBC(0)    {
      if (!m_FID.empty() && !Guid::isGuid(m_FID)) {
         // MN: TODO: review this constructor usage 
         initFromFilename(m_FID);
      }
    }

Member Function Documentation

dbc() [1/2]

DbConnection * pool::FileDescriptor::dbc ( )

inline

Access to file descriptor (READ).

Definition at line 83 of file FileDescriptor.h.

{ return m_DBC;       }

dbc() [2/2]

const DbConnection * pool::FileDescriptor::dbc ( ) const

inline

Definition at line 84 of file FileDescriptor.h.

{ return m_DBC;       }

FID()

const FileID & pool::FileDescriptor::FID ( ) const

inline

Access to file identifier (READ).

Definition at line 78 of file FileDescriptor.h.

{ return m_FID;       }

initFromFilename()

void pool::FileDescriptor::initFromFilename ( const std::string & filename )

inline

Generate new FID from the filename.

Definition at line 62 of file FileDescriptor.h.

                                                     {
      m_PFN = filename;
      MD5 checkSum((unsigned char*)filename.c_str(), filename.size());
        uuid_t checkSumUuid;
        checkSum.raw_digest((unsigned char*)(&checkSumUuid));
        char text[37];
        uuid_unparse_upper(checkSumUuid, text);
        m_FID = text;
    }

PFN()

const std::string & pool::FileDescriptor::PFN ( ) const

inline

Access to physical file name (READ).

Definition at line 73 of file FileDescriptor.h.

{ return m_PFN;       }

setDbc()

void pool::FileDescriptor::setDbc ( DbConnection * val )

inline

Access to file descriptor (WRITE).

Definition at line 86 of file FileDescriptor.h.

{ m_DBC = val;        }

setFID()

void pool::FileDescriptor::setFID ( const FileID & val )

inline

Access to file identifier (WRITE).

Definition at line 80 of file FileDescriptor.h.

{ m_FID = val;        }

setPFN()

void pool::FileDescriptor::setPFN ( const std::string & val )

inline

Access to physical file name (WRITE).

Definition at line 75 of file FileDescriptor.h.

{ m_PFN = val;        }

Member Data Documentation

m_DBC

DbConnection* pool::FileDescriptor::m_DBC

private

Handle to the Database connection.

Definition at line 47 of file FileDescriptor.h.

m_FID

FileID pool::FileDescriptor::m_FID

private

File Identifier (UNIQUE).

Definition at line 43 of file FileDescriptor.h.

m_PFN

std::string pool::FileDescriptor::m_PFN

private

Physical file name.

Definition at line 45 of file FileDescriptor.h.

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The documentation for this class was generated from the following file:

• FileDescriptor.h