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[u/mrichter/AliRoot.git] / STEER / STEER / AliCentralTrigger.h
1 #ifndef ALICENTRALTRIGGER_H
2 #define ALICENTRALTRIGGER_H
3
4 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
5  * See cxx source for full Copyright notice                               */
6
7 /* $Id$ */
8
9 ///////////////////////////////////////////////////////////////////////////////
10 //                                                                           //
11 // This class for running the Central Trigger Processor                      //
12 //                                                                           //
13 //                                                                           //
14 //    Load Configuration                                                     //
15 //    Make a list the trigger detectors involved ( from the configuration)   //
16 //    For the each event                                                     //
17 //           Run the Trigger for the each detector                           //
18 //           Get the inputs                                                  //
19 //           Check the trigger classes                                       //
20 //           Create the class mask                                           //
21 //           Save result                                                     //
22 //                                                                           //
23 ///////////////////////////////////////////////////////////////////////////////
24
25 #include <TObject.h>
26 #include <TObjArray.h>
27
28 class TTree;
29 class AliRunLoader;
30 class AliTriggerConfiguration;
31
32 class AliCentralTrigger : public TObject {
33
34 public:
35                           AliCentralTrigger();
36                           AliCentralTrigger( TString & config );
37                virtual   ~AliCentralTrigger();
38
39                 Bool_t    LoadConfiguration( TString & config );
40                 Bool_t    RunTrigger( AliRunLoader * runloader , const char* detectors);
41              ULong64_t    TriggerClasses();
42                   void    TriggerInputs();
43                   void    Reset();
44                   void    DeleteConfiguration();
45                   void    MakeBranch( TString name, TTree * tree );
46   //  Getters
47                TString    GetDetectors();
48              ULong64_t    GetClassMask() const { return fClassMask; }
49              ULong64_t    GetClassMaskNext50() const { return fClassMaskNext50; }
50                 UInt_t    GetClusterMask() const { return fClusterMask; }
51                 UInt_t    GetL0TriggerInputs() const { return fL0TriggerInputs; }
52                 UInt_t    GetL1TriggerInputs() const { return fL1TriggerInputs; }
53               UShort_t    GetL2TriggerInputs() const { return fL2TriggerInputs; }
54  AliTriggerConfiguration* GetConfiguration() { return fConfiguration; }
55              TObjArray*   GetFiredClasses() const;
56                   void    Print( const Option_t* opt ="" ) const;
57                 Bool_t    CheckTriggeredDetectors() const;
58
59                // Setters to be used in case raw data when the trigger information
60                // is read from the event header
61                void       SetClassMask(ULong64_t mask) { fClassMask = mask; }
62                void       SetClassMaskNext50(ULong64_t mask) { fClassMaskNext50 = mask; }
63                void       SetClusterMask(UInt_t mask)  { fClusterMask = mask; }
64                void       SetL0TriggerInputs(UInt_t mask)  { fL0TriggerInputs = mask; }
65                void       SetL1TriggerInputs(UInt_t mask)  { fL1TriggerInputs = mask; }
66                void       SetL2TriggerInputs(UShort_t mask)  { fL2TriggerInputs = mask; }
67 protected:
68              ULong64_t    fClassMask;          // UID ( bitwise OR of conditions mask )
69              ULong64_t    fClassMaskNext50;    // UID ( bitwise OR of conditions mask )  high 50 bits for run2
70                 UInt_t    fClusterMask;        // UID ( bitwise OR of clusters mask - detector pattern)
71                 UInt_t    fL0TriggerInputs;    // L0 trigger inputs (24 bits)
72                 UInt_t    fL1TriggerInputs;    // L1 trigger inputs (24 bits)
73               UShort_t    fL2TriggerInputs;    // L2 trigger inputs (12 bits)
74
75  AliTriggerConfiguration* fConfiguration;      // Trigger Configuration used
76
77 private:
78                 void      SetOwner(Bool_t x=kTRUE){SetBit(22,x);} // Bit 22 indicates that the object owns fConfiguration
79                 Bool_t    IsOwner() const {return TestBit(22);} // Test bit 22 to check that the object owns fConfiguration
80                 Bool_t    IsSelected( TString detName, TString& detectors ) const;
81                 AliCentralTrigger( const AliCentralTrigger& ctp ); // Implemented
82                 AliCentralTrigger& operator=( const AliCentralTrigger& ctp ); // Not implemented
83
84    ClassDef( AliCentralTrigger, 6 )  // class for running the Central Trigger Processor
85 };
86
87
88 #endif