| 1 |
//--------------------------------------------------------------------------------------------------
|
| 2 |
// $Id: Array.h,v 1.1 2008/07/29 10:36:20 loizides Exp $
|
| 3 |
//
|
| 4 |
// Array
|
| 5 |
//
|
| 6 |
// Implementation of Collection interface using TClonesArray class.
|
| 7 |
//
|
| 8 |
// Authors: C.Loizides
|
| 9 |
//--------------------------------------------------------------------------------------------------
|
| 10 |
|
| 11 |
#ifndef MITANA_DATACONT_ARRAY_H
|
| 12 |
#define MITANA_DATACONT_ARRAY_H
|
| 13 |
|
| 14 |
#include <TClonesArray.h>
|
| 15 |
#include "MitAna/DataCont/interface/Collection.h"
|
| 16 |
|
| 17 |
namespace mithep
|
| 18 |
{
|
| 19 |
template<class ArrayElement>
|
| 20 |
class Array : public Collection<ArrayElement>
|
| 21 |
{
|
| 22 |
public:
|
| 23 |
Array(UInt_t size=0, const char *name=0);
|
| 24 |
~Array() {}
|
| 25 |
|
| 26 |
ArrayElement *AddNew();
|
| 27 |
ArrayElement *Allocate();
|
| 28 |
const TClonesArray &Arr() const { return fArray; }
|
| 29 |
TClonesArray &Arr() { return fArray; }
|
| 30 |
ArrayElement *At(UInt_t idx);
|
| 31 |
const ArrayElement *At(UInt_t idx) const;
|
| 32 |
void Clear(Option_t */*opt*/="") { fArray.~TClonesArray(); }
|
| 33 |
UInt_t Entries() const { return fNumEntries; }
|
| 34 |
UInt_t GetEntries() const { return fNumEntries; }
|
| 35 |
const char *GetName() const { return fArray.GetName(); }
|
| 36 |
Bool_t IsOwner() const { return kTRUE; }
|
| 37 |
TIterator *Iterator(Bool_t dir = kIterForward) const;
|
| 38 |
Bool_t MustClear() const { return this->TestBit(14); }
|
| 39 |
Bool_t MustDelete() const { return this->TestBit(15); }
|
| 40 |
void Reset();
|
| 41 |
void Trim() { fArray.Compress(); }
|
| 42 |
void SetMustClearBit() { this->SetBit(14); }
|
| 43 |
void SetMustDeleteBit() { this->SetBit(15); }
|
| 44 |
void SetName(const char *name) { fArray.SetName(name); }
|
| 45 |
ArrayElement *UncheckedAt(UInt_t idx);
|
| 46 |
const ArrayElement *UncheckedAt(UInt_t idx) const;
|
| 47 |
|
| 48 |
ArrayElement *operator[](UInt_t idx);
|
| 49 |
const ArrayElement *operator[](UInt_t idx) const;
|
| 50 |
|
| 51 |
protected:
|
| 52 |
TClonesArray fArray; //array for storage
|
| 53 |
UInt_t fNumEntries; //number of entries in the array
|
| 54 |
|
| 55 |
private:
|
| 56 |
Array(const Array &a);
|
| 57 |
|
| 58 |
ClassDefT(Array,1) // Wrapper around TClonesArray class
|
| 59 |
};
|
| 60 |
}
|
| 61 |
|
| 62 |
//--------------------------------------------------------------------------------------------------
|
| 63 |
template<class ArrayElement>
|
| 64 |
inline mithep::Array<ArrayElement>::Array(UInt_t size, const char *name) :
|
| 65 |
fArray(ArrayElement::Class_Name(),size),
|
| 66 |
fNumEntries(0)
|
| 67 |
{
|
| 68 |
// Default constructor.
|
| 69 |
|
| 70 |
fArray.BypassStreamer(kTRUE);
|
| 71 |
|
| 72 |
if (name)
|
| 73 |
fArray.SetName(name);
|
| 74 |
|
| 75 |
ArrayElement test;
|
| 76 |
if (test.MustClear())
|
| 77 |
SetMustClearBit();
|
| 78 |
if (test.MustDelete())
|
| 79 |
SetMustDeleteBit();
|
| 80 |
}
|
| 81 |
|
| 82 |
//--------------------------------------------------------------------------------------------------
|
| 83 |
template<class ArrayElement>
|
| 84 |
inline ArrayElement *mithep::Array<ArrayElement>::AddNew()
|
| 85 |
{
|
| 86 |
// Add new entry and return pointer to it.
|
| 87 |
|
| 88 |
return new(Allocate()) ArrayElement();
|
| 89 |
}
|
| 90 |
|
| 91 |
//--------------------------------------------------------------------------------------------------
|
| 92 |
template<class ArrayElement>
|
| 93 |
inline ArrayElement *mithep::Array<ArrayElement>::Allocate()
|
| 94 |
{
|
| 95 |
// Allocate a slot in the array, *only* to be used in placement new operator.
|
| 96 |
|
| 97 |
return static_cast<ArrayElement*>(fArray[fNumEntries++]);
|
| 98 |
}
|
| 99 |
|
| 100 |
//--------------------------------------------------------------------------------------------------
|
| 101 |
template<class ArrayElement>
|
| 102 |
inline ArrayElement *mithep::Array<ArrayElement>::At(UInt_t idx)
|
| 103 |
{
|
| 104 |
// Return entry at given index.
|
| 105 |
|
| 106 |
if (idx<fNumEntries)
|
| 107 |
return static_cast<ArrayElement*>(fArray.UncheckedAt(idx));
|
| 108 |
|
| 109 |
ArrayElement tmp;
|
| 110 |
Fatal("At","Index too large: (%ud < %ud violated) for %s containing %s",
|
| 111 |
idx, fNumEntries, this->GetName(), tmp.GetName());
|
| 112 |
return 0;
|
| 113 |
}
|
| 114 |
|
| 115 |
//--------------------------------------------------------------------------------------------------
|
| 116 |
template<class ArrayElement>
|
| 117 |
inline const ArrayElement *mithep::Array<ArrayElement>::At(UInt_t idx) const
|
| 118 |
{
|
| 119 |
// Return entry at given index.
|
| 120 |
|
| 121 |
if (idx<fNumEntries)
|
| 122 |
return static_cast<const ArrayElement*>(fArray.UncheckedAt(idx));
|
| 123 |
|
| 124 |
ArrayElement tmp;
|
| 125 |
Fatal("At","Index too large: (%ud < %ud violated) for %s containing %s",
|
| 126 |
idx, fNumEntries, this->GetName(), tmp.GetName());
|
| 127 |
return 0;
|
| 128 |
}
|
| 129 |
|
| 130 |
//--------------------------------------------------------------------------------------------------
|
| 131 |
template<class ArrayElement>
|
| 132 |
inline TIterator *mithep::Array<ArrayElement>::Iterator(Bool_t dir) const
|
| 133 |
{
|
| 134 |
// Return ROOT collection iterator.
|
| 135 |
|
| 136 |
return fArray.MakeIterator(dir);
|
| 137 |
}
|
| 138 |
|
| 139 |
//--------------------------------------------------------------------------------------------------
|
| 140 |
template<class ArrayElement>
|
| 141 |
inline const ArrayElement *mithep::Array<ArrayElement>::operator[](UInt_t idx) const
|
| 142 |
{
|
| 143 |
// Return entry at given index.
|
| 144 |
|
| 145 |
return At(idx);
|
| 146 |
}
|
| 147 |
|
| 148 |
//--------------------------------------------------------------------------------------------------
|
| 149 |
template<class ArrayElement>
|
| 150 |
inline ArrayElement *mithep::Array<ArrayElement>::operator[](UInt_t idx)
|
| 151 |
{
|
| 152 |
// Return entry at given index.
|
| 153 |
|
| 154 |
return At(idx);
|
| 155 |
}
|
| 156 |
|
| 157 |
//--------------------------------------------------------------------------------------------------
|
| 158 |
template<class ArrayElement>
|
| 159 |
inline void mithep::Array<ArrayElement>::Reset()
|
| 160 |
{
|
| 161 |
// ROOT implementation for clearing the array.
|
| 162 |
|
| 163 |
if (this->MustDelete())
|
| 164 |
fArray.Delete(); //will call destructor for every element
|
| 165 |
else if (this->MustClear())
|
| 166 |
fArray.Clear("C"); //will call clear for every element
|
| 167 |
else
|
| 168 |
fArray.Clear();
|
| 169 |
|
| 170 |
fNumEntries = 0;
|
| 171 |
}
|
| 172 |
|
| 173 |
//--------------------------------------------------------------------------------------------------
|
| 174 |
template<class ArrayElement>
|
| 175 |
inline ArrayElement *mithep::Array<ArrayElement>::UncheckedAt(UInt_t idx)
|
| 176 |
{
|
| 177 |
// Return entry at given index.
|
| 178 |
|
| 179 |
return static_cast<ArrayElement*>(fArray.UncheckedAt(idx));
|
| 180 |
}
|
| 181 |
|
| 182 |
//--------------------------------------------------------------------------------------------------
|
| 183 |
template<class ArrayElement>
|
| 184 |
inline const ArrayElement *mithep::Array<ArrayElement>::UncheckedAt(UInt_t idx) const
|
| 185 |
{
|
| 186 |
// Return entry at given index.
|
| 187 |
|
| 188 |
return static_cast<const ArrayElement*>(fArray.UncheckedAt(idx));
|
| 189 |
}
|
| 190 |
#endif
|
