STEER/AliTriggerDetector.cxx

   1 /**************************************************************************
   2  * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
   3  *                                                                        *
   4  * Author: The ALICE Off-line Project.                                    *
   5  * Contributors are mentioned in the code where appropriate.              *
   6  *                                                                        *
   7  * Permission to use, copy, modify and distribute this software and its   *
   8  * documentation strictly for non-commercial purposes is hereby granted   *
   9  * without fee, provided that the above copyright notice appears in all   *
  10  * copies and that both the copyright notice and this permission notice   *
  11  * appear in the supporting documentation. The authors make no claims     *
  12  * about the suitability of this software for any purpose. It is          *
  13  * provided "as is" without express or implied warranty.                  *
  14  **************************************************************************/
  15
  16 /* $Id$ */
  17
  18 ///////////////////////////////////////////////////////////////////////////////
  19 //                                                                           //
  20 //  Base Class for Detector specific Trigger                                 //                                                                           //
  21 //                                                                           //
  22 //                                                                           //
  23 //                                                                           //
  24 //                                                                           //
  25 //                                                                           //
  26 ///////////////////////////////////////////////////////////////////////////////
  27
  28 #include <TNamed.h>
  29 #include <TString.h>
  30 #include <TObjArray.h>
  31 #include <TRandom.h>
  32
  33
  34 #include "AliLog.h"
  35 #include "AliRun.h"
  36 #include "AliRunLoader.h"
  37
  38 #include "AliTriggerInput.h"
  39 #include "AliTriggerDetector.h"
  40
  41
  42
  43 ClassImp( AliTriggerDetector )
  44
  45 //_____________________________________________________________________________
  46 AliTriggerDetector::AliTriggerDetector() : TNamed()
  47 {
  48    // Default constructor
  49    fMask    = 0;
  50 }
  51
  52 //_____________________________________________________________________________
  53 void AliTriggerDetector::CreateInputs()
  54 {
  55    // Define the inputs to the Central Trigger Processor
  56    // This is a dummy version
  57
  58    // Do not create inputs again!!
  59    if( fInputs.GetEntriesFast() > 0 ) return;
  60
  61    TString name = GetName();
  62    fInputs.AddLast( new AliTriggerInput( name+"_TEST1_L0", "Dummy input 1", 0x01 ) );
  63    fInputs.AddLast( new AliTriggerInput( name+"_TEST2_L0", "Dummy input 2", 0x02 ) );
  64    fInputs.AddLast( new AliTriggerInput( name+"_TEST3_L0", "Dummy input 3", 0x04 ) );
  65 }
  66
  67 //_____________________________________________________________________________
  68 void AliTriggerDetector::Trigger()
  69 {
  70    // This is a dummy version set all inputs in a random way
  71
  72    AliWarning( Form( "Triggering dummy detector %s", GetName() ) );
  73
  74    //  ********** Get Digits for the current event **********
  75    AliRunLoader* runLoader = gAlice->GetRunLoader();
  76    AliInfo( Form( "Event %d", runLoader->GetEventNumber() ) );
  77
  78    TString loadername = GetName();
  79    loadername.Append( "Loader" );
  80    AliLoader * loader = runLoader->GetLoader( loadername.Data() );
  81    if( loader ) {
  82       loader->LoadDigits( "READ" );
  83       TTree* digits = loader->TreeD();
  84       // Do something with the digits !!!
  85       if( digits ) {
  86 //         digits->Print();
  87       }
  88       loader->UnloadDigits();
  89    }
  90    //  ******************************************************
  91
  92    // set all inputs in a random way
  93    Int_t nInputs = fInputs.GetEntriesFast();
  94    for( Int_t j=0; j<nInputs; j++ ) {
  95       AliTriggerInput* in = (AliTriggerInput*)fInputs.At( j );
  96       if( gRandom->Rndm() > 0.5 ) {
  97          in->Set();
  98          fMask |= in->GetValue();
  99       }
 100    }
 101 }
 102
 103 //_____________________________________________________________________________
 104 void AliTriggerDetector::SetInput( TString& name )
 105 {
 106    // Set Input by name
 107    AliTriggerInput* in = ((AliTriggerInput*)fInputs.FindObject( name.Data() ));
 108    in->Set();
 109    fMask |= in->GetValue();
 110 }
 111
 112 //_____________________________________________________________________________
 113 void AliTriggerDetector::SetInput( const char * name )
 114 {
 115    // Set Input by name
 116    AliTriggerInput* in = ((AliTriggerInput*)fInputs.FindObject( name ));
 117    in->Set();
 118    fMask |= in->GetValue();
 119 }
 120
 121 //_____________________________________________________________________________
 122 void AliTriggerDetector::SetInput( Int_t mask )
 123 {
 124    // Set Input by mask
 125    Int_t nInputs = fInputs.GetEntriesFast();
 126    for( Int_t j=0; j<nInputs; j++ ) {
 127       AliTriggerInput* in = (AliTriggerInput*)fInputs.At( j );
 128       if( in->GetMask() == mask ) {
 129          in->Set();
 130          fMask |= in->GetValue();
 131          break;
 132       }
 133    }
 134 }
 135