Line data    Source code

       1             : // $Id$
       2             : 
       3             : //**************************************************************************
       4             : //* This file is property of and copyright by the ALICE HLT Project        * 
       5             : //* ALICE Experiment at CERN, All rights reserved.                         *
       6             : //*                                                                        *
       7             : //* Primary Authors: Matthias Richter <Matthias.Richter@ift.uib.no>        *
       8             : //*                  for The ALICE HLT Project.                            *
       9             : //*                                                                        *
      10             : //* Permission to use, copy, modify and distribute this software and its   *
      11             : //* documentation strictly for non-commercial purposes is hereby granted   *
      12             : //* without fee, provided that the above copyright notice appears in all   *
      13             : //* copies and that both the copyright notice and this permission notice   *
      14             : //* appear in the supporting documentation. The authors make no claims     *
      15             : //* about the suitability of this software for any purpose. It is          *
      16             : //* provided "as is" without express or implied warranty.                  *
      17             : //**************************************************************************
      18             : 
      19             : /** @file   AliHLTPluginBase.cxx
      20             :     @author Matthias Richter
      21             :     @date   
      22             :     @brief  Base class for AliRoot HLT plugins.
      23             : */
      24             : 
      25             : #include "AliHLTPluginBase.h"
      26             : #include "AliHLTSystem.h"
      27             : #include "AliHLTDataBuffer.h"
      28             : #include "TSystem.h"
      29             : 
      30             : /** ROOT macro for the implementation of ROOT specific class methods */
      31         126 : ClassImp(AliHLTPluginBase)
      32             : 
      33             : AliHLTPluginBase::AliHLTPluginBase()
      34          12 : {
      35             :   // see header file for class documentation
      36             :   // or
      37             :   // refer to README to build package
      38             :   // or
      39             :   // visit http://web.ift.uib.no/~kjeks/doc/alice-hlt
      40           3 :   fNofInstances++;
      41           6 : }
      42             : 
      43             : AliHLTPluginBase::~AliHLTPluginBase()
      44          18 : {
      45             :   // see header file for class documentation
      46           3 :   if (--fNofInstances<=0) {
      47           6 :     delete fpSystem;
      48           3 :     fpSystem=NULL;
      49             : 
      50             :     // 2010-04-07 not sure whether this is the best place for
      51             :     // the global cleanup of memory pages. In case of AliReconstruction
      52             :     // there is no cleanup method for the reconstructor plugins. They
      53             :     // are just deleted at the end.
      54             :     // However, here we can assume that some global cleanup takes place
      55             :     // when we arrive at this point.
      56           3 :     AliHLTDataBuffer::AliHLTRawPage::GlobalClean();
      57             :   }
      58           9 : }
      59             : 
      60             : void AliHLTPluginBase::InitInstance()
      61             : {
      62             :   // see header file for class documentation
      63           6 :   if (fNofInstances == 0)
      64             :   {
      65           0 :     gSystem->Load("libHLTbase");
      66           0 :     gSystem->Load("libHLTrec");
      67           0 :   }
      68           9 :   if (!fpSystem) fpSystem=new AliHLTSystem;
      69           3 : }
      70             : 
      71             : AliHLTSystem* AliHLTPluginBase::GetInstance()
      72             : {
      73             :   // see header file for class documentation
      74          65 :   if (!fpSystem) InitInstance();
      75          31 :   return fpSystem;
      76             : }
      77             : 
      78             : 
      79             : AliHLTSystem* AliHLTPluginBase::fpSystem=NULL;
      80             : 
      81             : int AliHLTPluginBase::fNofInstances=0;