| 1 |
loizides |
1.1 |
//--------------------------------------------------------------------------------------------------
|
| 2 |
loizides |
1.6 |
// $Id: RefArray.h,v 1.5 2008/10/02 14:00:02 bendavid Exp $
|
| 3 |
loizides |
1.1 |
//
|
| 4 |
|
|
// RefArray
|
| 5 |
|
|
//
|
| 6 |
|
|
// Implementation of a TRefArray using stack (and not heap) memory.
|
| 7 |
|
|
// For various reasons, the array can not be written in split mode.
|
| 8 |
|
|
// Maximum size of references is set to 1024 (but this could be
|
| 9 |
|
|
// changed if there is need for it).
|
| 10 |
|
|
//
|
| 11 |
|
|
// Authors: C.Loizides, J.Bendavid
|
| 12 |
|
|
//--------------------------------------------------------------------------------------------------
|
| 13 |
|
|
|
| 14 |
loizides |
1.2 |
#ifndef MITANA_DATACONT_REFARRAY
|
| 15 |
|
|
#define MITANA_DATACONT_REFARRAY
|
| 16 |
loizides |
1.1 |
|
| 17 |
|
|
#include <TObject.h>
|
| 18 |
|
|
#include <TRefArray.h>
|
| 19 |
|
|
#include <TRefTable.h>
|
| 20 |
|
|
#include <TProcessID.h>
|
| 21 |
|
|
#include <TError.h>
|
| 22 |
|
|
#include "MitAna/DataCont/interface/Collection.h"
|
| 23 |
|
|
|
| 24 |
|
|
namespace mithep
|
| 25 |
|
|
{
|
| 26 |
|
|
template<class ArrayElement>
|
| 27 |
|
|
class RefArray : public Collection<ArrayElement>
|
| 28 |
|
|
{
|
| 29 |
|
|
public:
|
| 30 |
|
|
RefArray();
|
| 31 |
|
|
~RefArray() { fProcID = 0; }
|
| 32 |
|
|
|
| 33 |
|
|
void Add(ArrayElement *ae);
|
| 34 |
|
|
ArrayElement *At(UInt_t idx);
|
| 35 |
|
|
const ArrayElement *At(UInt_t idx) const;
|
| 36 |
|
|
void Clear(Option_t */*opt*/="") { fProcID = 0;}
|
| 37 |
|
|
UInt_t Entries() const { return GetEntries(); }
|
| 38 |
|
|
UInt_t GetEntries() const { return fSize; }
|
| 39 |
|
|
Bool_t IsOwner() const { return kTRUE; }
|
| 40 |
|
|
void Reset() { fSize = 0; }
|
| 41 |
|
|
void Trim() {}
|
| 42 |
|
|
ArrayElement *UncheckedAt(UInt_t idx);
|
| 43 |
|
|
const ArrayElement *UncheckedAt(UInt_t idx) const;
|
| 44 |
|
|
|
| 45 |
|
|
ArrayElement *operator[](UInt_t idx);
|
| 46 |
|
|
const ArrayElement *operator[](UInt_t idx) const;
|
| 47 |
|
|
|
| 48 |
|
|
protected:
|
| 49 |
|
|
TObject *GetObject(UInt_t idx) const;
|
| 50 |
|
|
UInt_t GetUID(UInt_t idx) const;
|
| 51 |
|
|
|
| 52 |
|
|
TProcessID *fProcID; //!ptr to Process Unique Identifier
|
| 53 |
|
|
UShort_t fSize; //size of array
|
| 54 |
|
|
UInt_t fUIDs[1024]; //storage of uids of referenced objects
|
| 55 |
|
|
|
| 56 |
|
|
ClassDefT(RefArray,1) // Implementation of our own TRefArray
|
| 57 |
|
|
};
|
| 58 |
|
|
}
|
| 59 |
|
|
|
| 60 |
|
|
//--------------------------------------------------------------------------------------------------
|
| 61 |
|
|
template<class ArrayElement>
|
| 62 |
|
|
inline mithep::RefArray<ArrayElement>::RefArray() :
|
| 63 |
bendavid |
1.5 |
fProcID(TProcessID::GetSessionProcessID()),
|
| 64 |
loizides |
1.1 |
fSize(0)
|
| 65 |
|
|
{
|
| 66 |
|
|
// Default constructor.
|
| 67 |
|
|
}
|
| 68 |
|
|
|
| 69 |
|
|
//--------------------------------------------------------------------------------------------------
|
| 70 |
|
|
template<class ArrayElement>
|
| 71 |
|
|
void mithep::RefArray<ArrayElement>::Add(ArrayElement *ae)
|
| 72 |
|
|
{
|
| 73 |
|
|
// Add new reference to object.
|
| 74 |
|
|
|
| 75 |
|
|
if(fSize>=1024) {
|
| 76 |
loizides |
1.6 |
TObject::Fatal("Add",
|
| 77 |
|
|
"Maximum number of references reached: To support more requires change code!");
|
| 78 |
loizides |
1.1 |
return;
|
| 79 |
|
|
}
|
| 80 |
|
|
|
| 81 |
|
|
// check if the object can belong here and assign or get its uid
|
| 82 |
|
|
UInt_t uid = 0;
|
| 83 |
|
|
if (ae->TestBit(kHasUUID)) {
|
| 84 |
|
|
Error("Add", "Object can not be added as it has not UUID!");
|
| 85 |
|
|
return;
|
| 86 |
|
|
}
|
| 87 |
|
|
|
| 88 |
|
|
if (ae->TestBit(kIsReferenced)) {
|
| 89 |
|
|
uid = ae->GetUniqueID();
|
| 90 |
bendavid |
1.4 |
if (fSize==0)
|
| 91 |
|
|
fProcID = TProcessID::GetProcessWithUID(uid,ae);
|
| 92 |
loizides |
1.1 |
if (fProcID != TProcessID::GetProcessWithUID(uid,ae)) {
|
| 93 |
|
|
Error("Add", "Object can not be added as it has a different process id!");
|
| 94 |
|
|
return;
|
| 95 |
|
|
}
|
| 96 |
|
|
} else {
|
| 97 |
bendavid |
1.4 |
if (fSize==0)
|
| 98 |
|
|
fProcID = TProcessID::GetSessionProcessID();
|
| 99 |
loizides |
1.1 |
if (fProcID != TProcessID::GetSessionProcessID()) {
|
| 100 |
|
|
Error("Add", "Object can not be added as it has a different process id!");
|
| 101 |
|
|
return;
|
| 102 |
|
|
}
|
| 103 |
|
|
uid = TProcessID::AssignID(ae);
|
| 104 |
|
|
}
|
| 105 |
|
|
|
| 106 |
|
|
fUIDs[fSize] = uid;
|
| 107 |
|
|
++fSize;
|
| 108 |
|
|
}
|
| 109 |
|
|
|
| 110 |
|
|
//--------------------------------------------------------------------------------------------------
|
| 111 |
|
|
template<class ArrayElement>
|
| 112 |
|
|
inline ArrayElement *mithep::RefArray<ArrayElement>::At(UInt_t idx)
|
| 113 |
|
|
{
|
| 114 |
|
|
// Return entry at given index.
|
| 115 |
|
|
|
| 116 |
|
|
if(idx<fSize)
|
| 117 |
|
|
return static_cast<ArrayElement*>(GetObject(idx));
|
| 118 |
|
|
|
| 119 |
|
|
Error("At", "Given index (%ud) is larger than array size (%ud)", idx, fSize);
|
| 120 |
|
|
return 0;
|
| 121 |
|
|
}
|
| 122 |
|
|
|
| 123 |
|
|
//--------------------------------------------------------------------------------------------------
|
| 124 |
|
|
template<class ArrayElement>
|
| 125 |
|
|
inline const ArrayElement *mithep::RefArray<ArrayElement>::At(UInt_t idx) const
|
| 126 |
|
|
{
|
| 127 |
|
|
// Return entry at given index.
|
| 128 |
|
|
|
| 129 |
|
|
if(idx<fSize)
|
| 130 |
|
|
return static_cast<const ArrayElement*>(GetObject(idx));
|
| 131 |
|
|
|
| 132 |
|
|
Error("At", "Given index (%ud) is larger than array size (%ud)", idx, fSize);
|
| 133 |
|
|
return 0;
|
| 134 |
|
|
}
|
| 135 |
|
|
|
| 136 |
|
|
//--------------------------------------------------------------------------------------------------
|
| 137 |
|
|
template<class ArrayElement>
|
| 138 |
|
|
TObject *mithep::RefArray<ArrayElement>::GetObject(UInt_t idx) const
|
| 139 |
|
|
{
|
| 140 |
|
|
// Return entry at given index. Code adapted from TRef::GetObject().
|
| 141 |
|
|
|
| 142 |
|
|
if (!fProcID) {
|
| 143 |
|
|
Error("GetObject","Process id pointer is null!");
|
| 144 |
|
|
return 0;
|
| 145 |
|
|
}
|
| 146 |
|
|
|
| 147 |
|
|
if (!TProcessID::IsValid(fProcID)) {
|
| 148 |
|
|
Error("GetObject","Process id is invalid!");
|
| 149 |
|
|
return 0;
|
| 150 |
|
|
}
|
| 151 |
|
|
UInt_t uid = GetUID(idx);
|
| 152 |
|
|
|
| 153 |
|
|
//the reference may be in the TRefTable
|
| 154 |
|
|
TRefTable *table = TRefTable::GetRefTable();
|
| 155 |
|
|
if (table) {
|
| 156 |
|
|
table->SetUID(uid, fProcID);
|
| 157 |
|
|
table->Notify();
|
| 158 |
|
|
}
|
| 159 |
|
|
|
| 160 |
|
|
//try to find the object from the table of the corresponding PID
|
| 161 |
|
|
TObject *obj = fProcID->GetObjectWithID(uid);
|
| 162 |
|
|
return obj;
|
| 163 |
|
|
}
|
| 164 |
|
|
|
| 165 |
|
|
//--------------------------------------------------------------------------------------------------
|
| 166 |
|
|
template<class ArrayElement>
|
| 167 |
|
|
inline UInt_t mithep::RefArray<ArrayElement>::GetUID(UInt_t idx) const
|
| 168 |
|
|
{
|
| 169 |
|
|
// Return uid corresponding to idx.
|
| 170 |
|
|
|
| 171 |
|
|
return fUIDs[idx];
|
| 172 |
|
|
}
|
| 173 |
|
|
|
| 174 |
|
|
//--------------------------------------------------------------------------------------------------
|
| 175 |
|
|
template<class ArrayElement>
|
| 176 |
|
|
inline const ArrayElement *mithep::RefArray<ArrayElement>::operator[](UInt_t idx) const
|
| 177 |
|
|
{
|
| 178 |
|
|
// Return entry at given index.
|
| 179 |
|
|
|
| 180 |
|
|
return At(idx);
|
| 181 |
|
|
}
|
| 182 |
|
|
|
| 183 |
|
|
//--------------------------------------------------------------------------------------------------
|
| 184 |
|
|
template<class ArrayElement>
|
| 185 |
|
|
inline ArrayElement *mithep::RefArray<ArrayElement>::operator[](UInt_t idx)
|
| 186 |
|
|
{
|
| 187 |
|
|
// Return entry at given index.
|
| 188 |
|
|
|
| 189 |
|
|
return At(idx);
|
| 190 |
|
|
}
|
| 191 |
|
|
|
| 192 |
|
|
//-------------------------------------------------------------------------------------------------
|
| 193 |
|
|
template<class ArrayElement>
|
| 194 |
|
|
void mithep::RefArray<ArrayElement>::Streamer(TBuffer &b)
|
| 195 |
|
|
{
|
| 196 |
|
|
// Stream all objects in the array to or from the I/O buffer.
|
| 197 |
|
|
|
| 198 |
|
|
if (b.IsReading()) {
|
| 199 |
|
|
b >> fSize;
|
| 200 |
|
|
if (fSize) {
|
| 201 |
|
|
UShort_t pidf;
|
| 202 |
|
|
b >> pidf;
|
| 203 |
|
|
pidf += b.GetPidOffset();
|
| 204 |
|
|
fProcID = b.ReadProcessID(pidf);
|
| 205 |
|
|
b.ReadFastArray(fUIDs,fSize);
|
| 206 |
|
|
}
|
| 207 |
|
|
} else { /*writing*/
|
| 208 |
|
|
b << fSize;
|
| 209 |
|
|
if (fSize) {
|
| 210 |
|
|
UShort_t pidf;
|
| 211 |
|
|
pidf = b.WriteProcessID(fProcID);
|
| 212 |
|
|
b << pidf;
|
| 213 |
|
|
b.WriteFastArray(fUIDs,fSize);
|
| 214 |
|
|
}
|
| 215 |
|
|
}
|
| 216 |
|
|
}
|
| 217 |
|
|
|
| 218 |
|
|
//--------------------------------------------------------------------------------------------------
|
| 219 |
|
|
template<class ArrayElement>
|
| 220 |
|
|
inline ArrayElement *mithep::RefArray<ArrayElement>::UncheckedAt(UInt_t idx)
|
| 221 |
|
|
{
|
| 222 |
|
|
// Return entry at given index.
|
| 223 |
|
|
|
| 224 |
|
|
return static_cast<ArrayElement*>(GetObject(idx));
|
| 225 |
|
|
}
|
| 226 |
|
|
|
| 227 |
|
|
//--------------------------------------------------------------------------------------------------
|
| 228 |
|
|
template<class ArrayElement>
|
| 229 |
|
|
inline const ArrayElement *mithep::RefArray<ArrayElement>::UncheckedAt(UInt_t idx) const
|
| 230 |
|
|
{
|
| 231 |
|
|
// Return entry at given index.
|
| 232 |
|
|
|
| 233 |
|
|
return static_cast<const ArrayElement*>(GetObject(idx));
|
| 234 |
|
|
}
|
| 235 |
|
|
#endif
|
