art::TKeyVFSOpenPolicy Class Reference

#include <TKeyVFSOpenPolicy.h>

Public Member Functions
	TKeyVFSOpenPolicy (TFile *const tfile, int const flags=SQLITE_OPEN_READONLY)
sqlite3 *	open (std::string const &key)

Private Attributes
TFile *	tfile_
int	flags_

Detailed Description

Definition at line 11 of file TKeyVFSOpenPolicy.h.

Constructor & Destructor Documentation

art::TKeyVFSOpenPolicy::TKeyVFSOpenPolicy ( TFile *const  tfile, int const  flags = SQLITE_OPEN_READONLY  )

explicit

Definition at line 6 of file TKeyVFSOpenPolicy.cc.

  : tfile_{tfile}, flags_{flags | SQLITE_OPEN_URI}
{}

Member Function Documentation

sqlite3 * art::TKeyVFSOpenPolicy::open

(

std::string const &

key

)

Definition at line 11 of file TKeyVFSOpenPolicy.cc.

{
  if (!key.size()) {
    throw Exception{errors::FileOpenError}
      << "Failed to open TKEYVFS DB due to empty key spec.\n";
  }

  auto const uriKey = cet::sqlite::assembleNoLockURI(key);
  sqlite3* db{nullptr};
  int const rc{tkeyvfs_open_v2(uriKey.c_str(), &db, flags_, tfile_)};
  if (rc != SQLITE_OK) {
    throw Exception{errors::FileOpenError}
      << "Failed to open requested DB, \"" << key << "\" of type, \""
      << "tkeyvfs (unexpected status of " << rc << ")\n"
      << sqlite3_errmsg(db) << '\n';
  }
  return db;
}

Member Data Documentation

int art::TKeyVFSOpenPolicy::flags_

private

Definition at line 20 of file TKeyVFSOpenPolicy.h.

TFile* art::TKeyVFSOpenPolicy::tfile_

private

Definition at line 19 of file TKeyVFSOpenPolicy.h.

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

• art/art/Framework/IO/Root/RootDB/TKeyVFSOpenPolicy.h
• art/art/Framework/IO/Root/RootDB/TKeyVFSOpenPolicy.cc