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root/cvsroot/UserCode/MitProd/TreeFiller/interface/AssociationMap.h
Revision: 1.3
Committed: Wed Jul 2 19:29:27 2008 UTC (16 years, 10 months ago) by bendavid
Content type: text/plain
Branch: MAIN
Changes since 1.2: +6 -3 lines
Log Message:
Improved AssociationMap error handling

File Contents

# User Rev Content
1 loizides 1.1 //--------------------------------------------------------------------------------------------------
2 bendavid 1.3 // $Id: AssociationMap.h,v 1.2 2008/07/01 21:11:12 loizides Exp $
3 loizides 1.1 //
4     // Association Map
5     //
6 loizides 1.2 // Wrapper for std::map, used to resolve links during tree filling.
7     // This class needs work! CL.
8 loizides 1.1 //
9 loizides 1.2 // Authors: J.Bendavid, C.Loizides
10 loizides 1.1 //--------------------------------------------------------------------------------------------------
11    
12     #ifndef TREEFILLER_ASSOCIATIONMAP_H
13     #define TREEFILLER_ASSOCIATIONMAP_H
14    
15     #include <map>
16     #include <TObject.h>
17 bendavid 1.3 #include "FWCore/MessageLogger/interface/MessageLogger.h"
18 loizides 1.1
19     namespace mithep
20     {
21     template <class EdmClass, class MitClass> class AssociationMap : public TObject
22     {
23     typedef std::map<EdmClass, MitClass> fwdMapType;
24     typedef std::map<MitClass, EdmClass> revMapType;
25    
26     public:
27     AssociationMap() : edmProductId_(0) {}
28     ~AssociationMap() {}
29    
30 loizides 1.2 void Add(EdmClass edmObj, MitClass mitObj);
31     EdmClass GetEdmRef(MitClass mitObj) const;
32     Int_t GetEdmProductId() const { return edmProductId_; }
33     Int_t GetEntries() const { return fwdMap_.size(); }
34     MitClass GetMit(EdmClass edmObj) const;
35     void Reset() { fwdMap_.clear(); revMap_.clear(); }
36     void SetEdmProductId(Int_t id) { edmProductId_ = id; }
37 loizides 1.1
38     protected:
39 loizides 1.2 fwdMapType fwdMap_; //map between edm ref and mit ptr
40     revMapType revMap_; //map between mit ptr and edm ref
41     Int_t edmProductId_; //product id for consistency check
42     };
43     }
44    
45     //--------------------------------------------------------------------------------------------------
46     template <class EdmClass, class MitClass>
47     inline void mithep::AssociationMap<EdmClass,MitClass>::Add(EdmClass edmObj, MitClass mitObj)
48     {
49     fwdMap_[edmObj]=mitObj;
50     revMap_.insert(std::pair<MitClass, EdmClass>(mitObj,edmObj));
51     }
52    
53     //--------------------------------------------------------------------------------------------------
54     template <class EdmClass, class MitClass>
55     inline MitClass mithep::AssociationMap<EdmClass,MitClass>::GetMit(EdmClass edmObj) const
56     {
57     typename fwdMapType::const_iterator iter = fwdMap_.find(edmObj);
58    
59     if (iter != fwdMap_.end())
60     return iter->second;
61 bendavid 1.3 else throw edm::Exception(edm::errors::Configuration, "AssociationMap::GetMit()\n")
62     << "Error! Edm Object not found in AssociationMap." << std::endl;
63 loizides 1.2 }
64 loizides 1.1
65 loizides 1.2 //--------------------------------------------------------------------------------------------------
66     template <class EdmClass, class MitClass>
67     inline EdmClass mithep::AssociationMap<EdmClass,MitClass>::GetEdmRef(MitClass mitObj) const
68     {
69     typename revMapType::const_iterator iter = revMap_.find(mitObj);
70     if (iter != revMap_.end())
71     return iter->second;
72 bendavid 1.3 else throw edm::Exception(edm::errors::Configuration, "AssociationMap::GetEdmRef()\n")
73     << "Error! mithep Object not found in AssociationMap." << std::endl;
74 loizides 1.1 }
75     #endif