ana::WildcardSource Class Reference

File source based on a wildcard (glob) More...

#include <WildcardSource.h>

Inheritance diagram for ana::WildcardSource:

Public Member Functions
	WildcardSource (const std::string &wildcard, int stride=-1, int offset=-1)
virtual	~WildcardSource ()
Public Member Functions inherited from ana::FileListSource
	FileListSource (const std::vector< std::string > &files, int stride=-1, int offset=-1)
	default offset and stride mean obey cmd-line options More...
virtual	~FileListSource ()
virtual TFile *	GetNextFile () override
	Returns the next file in sequence, ready for reading. More...
int	NFiles () const override
	May return -1 indicating the number of files is not known. More...
Public Member Functions inherited from ana::IFileSource
virtual	~IFileSource ()

Protected Member Functions
std::vector< std::string >	WildcardOrLs (const std::string &wildcard) const

Additional Inherited Members
Protected Attributes inherited from ana::FileListSource
std::vector< std::string >	fFileNames
	The list of files. More...
std::vector< std::string > ::iterator	fIt
	Iterator into fFileNames. More...
int	fStride
int	fN
	Number of files that will actually be returned. More...
TFile *	fFile
	The most-recently-returned file. More...
Static Protected Attributes inherited from ana::FileListSource
static bool	fgGotTickets = false
	Have we renewed our tickets? More...

Detailed Description

File source based on a wildcard (glob)

Definition at line 8 of file WildcardSource.h.

Constructor & Destructor Documentation

ana::WildcardSource::WildcardSource	(	const std::string &	wildcard,
		int	stride = -1,
		int	offset = -1
	)

Parameters

wildcard

Wildcard or glob. Anything glob() accepts is OK. May be a single literal filename.

Definition at line 28 of file WildcardSource.cxx.

    : FileListSource(sorted(WildcardOrLs(wildcard)), stride, offset)
  {
  }

ana::WildcardSource::~WildcardSource ( )

virtual

Definition at line 36 of file WildcardSource.cxx.

  {
  }

Member Function Documentation

std::vector< std::string > ana::WildcardSource::WildcardOrLs ( const std::string &  wildcard ) const

protected

Definition at line 42 of file WildcardSource.cxx.

  {
    std::vector<std::string> ret = Wildcard(wildcard);

    struct stat ss;
    // If we found nothing, but it's because pnfs isn't mounted, try ifdh ls
    // instead.
    if(ret.empty() &&
       wildcard.find("/pnfs/") == 0 &&
       stat("/pnfs/", &ss) != 0){

      std::cout << "No files matching " << wildcard << " but that's probably because /pnfs is not mounted on the current node." << std::endl;

      // This doesn't work because "ifdh ls" doesn't actually understand
      // wildcard syntax properly.
      //      ifdh i;
      //      ret = i.ls(wildcard, 0);
    }

    return ret;
  }

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

• WildcardSource.h
• WildcardSource.cxx