|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
|
#ifndef DataFormats_Common_ThinnedAssociation_h
#define DataFormats_Common_ThinnedAssociation_h
/** \class edm::ThinnedAssociation
\author W. David Dagenhart, created 11 June 2014
*/
#include "DataFormats/Provenance/interface/ProductID.h"
#include <optional>
#include <vector>
namespace edm {
class ThinnedAssociation {
public:
ThinnedAssociation();
ProductID const& parentCollectionID() const { return parentCollectionID_; }
ProductID const& thinnedCollectionID() const { return thinnedCollectionID_; }
std::vector<unsigned int> const& indexesIntoParent() const { return indexesIntoParent_; }
// If this association contains the parent index, return the
// corresponding index into the thinned collection. Otherwise
// return null std::optional.
std::optional<unsigned int> getThinnedIndex(unsigned int parentIndex) const;
void setParentCollectionID(ProductID const& v) { parentCollectionID_ = v; }
void setThinnedCollectionID(ProductID const& v) { thinnedCollectionID_ = v; }
void push_back(unsigned int index) { indexesIntoParent_.push_back(index); }
private:
ProductID parentCollectionID_;
ProductID thinnedCollectionID_;
// The size of indexesIntoParent_ is the same as
// the size of the thinned collection and each
// element of indexesIntoParent corresponds to the
// element of the thinned collection at the same position.
// The values give the index of the corresponding element
// in the parent collection.
std::vector<unsigned int> indexesIntoParent_;
};
} // namespace edm
#endif
|