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loizides |
1.1 |
//--------------------------------------------------------------------------------------------------
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loizides |
1.14 |
// $Id: DataObject.h,v 1.13 2008/09/10 03:33:26 loizides Exp $
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loizides |
1.1 |
//
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// DataObject
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//
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loizides |
1.2 |
// This is the common base class for all objects in the tree.
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//
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bendavid |
1.11 |
// Authors: C.Loizides, J.Bendavid
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loizides |
1.1 |
//--------------------------------------------------------------------------------------------------
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loizides |
1.13 |
#ifndef MITANA_DATATREE_DATAOBJECT_H
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#define MITANA_DATATREE_DATAOBJECT_H
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loizides |
1.4 |
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#include <TObject.h>
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bendavid |
1.10 |
#include <TROOT.h>
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#include <TClass.h>
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#include <TBranchElement.h>
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#include <TRefTable.h>
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#include <TProcessID.h>
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loizides |
1.4 |
#include "MitAna/DataTree/interface/Types.h"
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paus |
1.12 |
namespace mithep
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loizides |
1.1 |
{
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class DataObject : public TObject
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{
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public:
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DataObject() {}
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~DataObject() {}
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loizides |
1.6 |
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loizides |
1.9 |
Bool_t MustClear() const { return TestBit(14); }
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Bool_t MustDelete() const { return TestBit(15); }
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Bool_t IsCached() const { return TestBit(23); }
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bendavid |
1.11 |
template <class Col> const Col* ParentCol() const;
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loizides |
1.6 |
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protected:
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void SetClearBit() { SetBit(14); }
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loizides |
1.8 |
void SetDeleteBit() { SetBit(15); }
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void SetCacheBit() { SetBit(23); }
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void ResetCacheBit() { SetBit(23,0); }
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loizides |
1.6 |
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loizides |
1.14 |
ClassDef(DataObject, 1)
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loizides |
1.1 |
};
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loizides |
1.2 |
}
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bendavid |
1.10 |
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//--------------------------------------------------------------------------------------------------
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template <class Col>
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bendavid |
1.11 |
const Col* mithep::DataObject::ParentCol() const
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bendavid |
1.10 |
{
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bendavid |
1.11 |
// Return pointer to parent collection. SLOW! (But faster than looping over collections.)
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// Also note this function will only work for objects which were reference prior to being written.
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// Otherwise a null pointer will be returned.
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bendavid |
1.10 |
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bendavid |
1.11 |
const Col* colObj=0;
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bendavid |
1.10 |
TRefTable *table = TRefTable::GetRefTable();
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if (!table)
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return colObj;
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table->SetUID(this->GetUniqueID(), (TProcessID*)gROOT->GetUUIDs());
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table->Notify();
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bendavid |
1.11 |
//cast away const is a hack, this is fixed in newer root versions
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TProcessID* pID = TProcessID::GetProcessWithUID(this->GetUniqueID(),(void*)this);
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TBranchElement *trackParent = (TBranchElement*)(table->GetParent(this->GetUniqueID(), pID));
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bendavid |
1.10 |
while (!colObj) {
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if (!trackParent)
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return colObj;
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colObj = dynamic_cast<Col*>((TObject*)((TBranchElement*)trackParent)->GetObject());
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if (!colObj)
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trackParent = dynamic_cast<TBranchElement*>(trackParent->GetMother());
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}
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return colObj;
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}
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loizides |
1.3 |
#endif
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