xAOD::TDirectoryReset Class Reference

Helper class for making sure the current directory is preserved. More...

#include <TDirectoryReset.h>

Collaboration diagram for xAOD::TDirectoryReset:

Public Member Functions
	TDirectoryReset (::TDirectory *dir=gDirectory)
	Constructor with the current directory. More...
	~TDirectoryReset ()
	Destructor. More...

Private Attributes
::TDirectory *	m_dir
	The directory that we need to return to. More...

Detailed Description

Helper class for making sure the current directory is preserved.

This class is used in the code to make sure that whenever a function call returns to the user, the current directory (gDirectory) would be the same as it was before the function call. Otherwise the user can have a few surprises...

Author

Attila Krasznahorkay Attil.nosp@m.a.Kr.nosp@m.aszna.nosp@m.hork.nosp@m.ay@ce.nosp@m.rn.c.nosp@m.h

Revision

597264

Date

2014-05-15 17:52:37 +0200 (Thu, 15 May 2014)

Definition at line 28 of file TDirectoryReset.h.

Constructor & Destructor Documentation

TDirectoryReset()

xAOD::TDirectoryReset::TDirectoryReset ( ::TDirectory *  dir = gDirectory )

inline

Constructor with the current directory.

Definition at line 32 of file TDirectoryReset.h.

: m_dir( dir ) {}

~TDirectoryReset()

xAOD::TDirectoryReset::~TDirectoryReset ( )

inline

Destructor.

Definition at line 34 of file TDirectoryReset.h.

{ if( m_dir ) m_dir->cd(); }

Member Data Documentation

m_dir

::TDirectory* xAOD::TDirectoryReset::m_dir

private

The directory that we need to return to.

Definition at line 38 of file TDirectoryReset.h.

---

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

• TDirectoryReset.h