LauFitDataTree.hh

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/*
Copyright 2004 University of Warwick
 
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
 
    http://www.apache.org/licenses/LICENSE-2.0
 
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
 
/*
Laura++ package authors:
John Back
Paul Harrison
Thomas Latham
*/
 
#ifndef LAU_FIT_DATA_TREE
#define LAU_FIT_DATA_TREE
 
#include "TEventList.h"
#include "TTree.h"
 
#include <map>
#include <vector>
 
class TFile;
class TLeaf;
 
typedef std::map<TString, Double_t> LauFitData;
 
class LauFitDataTree {
 
  public:
 
    LauFitDataTree( const TString& rootFileName, const TString& rootTreeName );
 
    virtual ~LauFitDataTree();
 
 
    const TString& fileName() const { return rootFileName_; }
 
 
    const TString& treeName() const { return rootTreeName_; }
 
 
    Bool_t findBranches();
 
    void readAllData();
 
 
    void readExperimentData( UInt_t iExpt );
 
 
    void appendFakePoints( const std::vector<Double_t>& xCoords,
                           const std::vector<Double_t>& yCoords );
 
 
    UInt_t nBranches() const;
 
 
    UInt_t nTreeEvents() const
    {
        return rootTree_ ? static_cast<UInt_t>( rootTree_->GetEntries() ) : 0;
    }
 
 
    UInt_t nEvents() const
    {
        return eventList_ ? static_cast<UInt_t>( eventList_->GetN() ) : this->nTreeEvents();
    }
 
 
    UInt_t nFakeEvents() const { return fakeEvents_.size(); }
 
 
    UInt_t nTotalEvents() const { return this->nTreeEvents() + this->nFakeEvents(); }
 
 
    Bool_t haveBranch( const TString& name ) const;
 
 
    const LauFitData& getData( UInt_t iEvt ) const;
 
    void disableAllBranches() const;
 
    void enableAllBranches() const;
 
 
    void enableBranch( const TString& name ) const;
 
 
    void disableBranch( const TString& name ) const;
 
  protected:
    void openFileAndTree();
 
 
    void loadData();
 
  private:
    LauFitDataTree( const LauFitDataTree& rhs );
 
    LauFitDataTree& operator=( const LauFitDataTree& rhs );
 
    typedef std::map<TString, UInt_t> LauNameIndexMap;
 
    typedef std::vector<Double_t> LauEventData;
 
    typedef std::vector<TLeaf*> LauLeafList;
 
    TString rootFileName_;
 
    TString rootTreeName_;
 
    TFile* rootFile_;
 
    TTree* rootTree_;
 
    TEventList* eventList_;
 
    LauNameIndexMap leafNames_;
 
    mutable LauEventData eventData_;
 
    mutable LauFitData eventDataOut_;
 
    LauLeafList leaves_;
 
    std::vector<LauEventData> treeEvents_;
 
    std::vector<LauEventData> fakeEvents_;
 
    ClassDef( LauFitDataTree, 0 )
};
 
#endif