Coverity fix for uninitialized variables and check for returned null value
[u/mrichter/AliRoot.git] / MUON / AliMUONVStore.h
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ce351cca 1#ifndef ALIMUONVSTORE_H
2#define ALIMUONVSTORE_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
46df088d 9/// \ingroup core
ce351cca 10/// \class AliMUONVStore
11/// \brief Base class for MUON data stores.
12///
13// Author Laurent Aphecetche, Subatech
14
15#ifndef ROOT_TObject
16# include "TObject.h"
17#endif
18
19class TIterator;
20class TTree;
21
22class AliMUONVStore : public TObject
23{
24public:
25 AliMUONVStore();
26 virtual ~AliMUONVStore();
27
28 /// Add an object to the store
29 virtual Bool_t Add(TObject* object) = 0;
30
31 /// Clear ourselves (i.e. Reset)
32 virtual void Clear(Option_t* opt="") = 0;
33
34 /// Create an empty copy of this
35 virtual AliMUONVStore* Create() const = 0;
36
37 /// Create a store from a TTree
38 static AliMUONVStore* Create(TTree& tree, const char* what);
39
40 /// Return an iterator to loop over the whole store
41 virtual TIterator* CreateIterator() const = 0;
42
43 /// Whether the Connect(TTree&) method is implemented
44 virtual Bool_t CanConnect() const = 0;
45
46 /// Connect us to a TTree (only valid if CanConnect()==kTRUE)
47 virtual Bool_t Connect(TTree& tree, Bool_t alone=kTRUE) const;
48
49 /// Find an object by name
50 virtual TObject* FindObject(const char* name) const;
51
52 /// Find an object
53 virtual TObject* FindObject(const TObject* object) const;
54
55 /// Find an object using a single id
56 virtual TObject* FindObject(UInt_t uniqueID) const;
57
58 /// Find an object using 2 ids
59 virtual TObject* FindObject(Int_t i, Int_t j) const;
60
ce351cca 61 /// The number of objects stored
62 virtual Int_t GetSize() const = 0;
63
64 /// The number of objects stored for firstid=i. Not implemented by default.
65 virtual Int_t GetSize(Int_t i) const;
66
67 /// Whether we are empty or not
68 virtual Bool_t IsEmpty() const { return GetSize() == 0; }
69
70 /// Print all objects whose name matches wildcard
71 virtual void Print(Option_t* wildcard="") const;
72
73 /// Print, with option, all objects whose name matches wildcard
74 virtual void Print(Option_t* wildcard, Option_t* opt) const;
75
76 ClassDef(AliMUONVStore,1) // Base class for a MUON data store
77};
78
79#endif