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/*
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* THCollection.h
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*
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* Created on: 9 Aug 2010
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* Author: kreczko
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*/
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#ifndef THCOLLECTION_H_
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#define THCOLLECTION_H_
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#include <string>
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#include "TFile.h"
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#include "TDirectory.h"
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#include "TH1.h"
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#include "TH2.h"
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#include <boost/unordered_map.hpp>
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#include <boost/shared_ptr.hpp>
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#include <boost/foreach.hpp>
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#include <iostream>
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#include "StringOperations.h"
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using namespace boost;
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namespace BAT {
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template<class histType>
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class THCollection {
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typedef shared_ptr<histType> histPointer;
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typedef unordered_map<std::string, histPointer> map;
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protected:
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boost::shared_ptr<TFile> histogramFile;
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std::string path;
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std::vector<std::string> directories;
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map histMap;
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std::string prefix, suffix;
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public:
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// THCollection() :
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// histogramFile(), directories(), histMap() {
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//
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// }
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THCollection(std::string virtualPath = "") :
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histogramFile(),
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path(virtualPath),
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directories(getDirectoriesFromPath(path)),
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histMap(),
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prefix(""),
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suffix("") {
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}
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~THCollection() {
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}
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void add(std::string name, std::string title, unsigned int numberOfBins, float xmin, float xmax);
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void add(std::string name, std::string title, unsigned int numberOfXBins, float xmin, float xmax,
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unsigned int numberOfYBins, float ymin, float ymax);
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void add(std::string name, boost::shared_ptr<histType> hist){
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histMap[name] = hist;
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}
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boost::shared_ptr<histType> get(std::string name) {
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histPointer histp = histMap[name];
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if (histp == NULL)
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cout << "\n **** Histogram " << name << " not defined. **** \n\n";
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return histMap[name];
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}
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unsigned int size() const {
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return histMap.size();
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}
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void writeToFile(boost::shared_ptr<TFile> histFile) {
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histogramFile = histFile;
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histogramFile->cd();
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writeDirectories();
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histogramFile->Cd(path.c_str());
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writeHistograms();
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}
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void setPrefix(std::string pre){
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prefix = pre;
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}
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void setSuffix(std::string suf){
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suffix = suf;
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}
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map getAllHistograms(){
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return histMap;
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}
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private:
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void writeDirectories() {
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std::string currentPath = "";
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for (unsigned short index = 0; index < directories.size(); ++index) {
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const std::string dir = directories.at(index);
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if (index == 0) {
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histogramFile->mkdir(dir.c_str());
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currentPath = dir;
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} else {
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TDirectory* currentDir = (TDirectory*) histogramFile->Get(currentPath.c_str());
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assert(currentDir != 0);
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currentDir->mkdir(dir.c_str());
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currentPath += "/" + dir;
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}
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}
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}
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void writeHistograms() {
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for (typename map::const_iterator iter = histMap.begin(); iter != histMap.end(); ++iter) {
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std::string newName(iter->second->GetName());
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if (prefix != "") {
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newName = prefix + "_" + newName;
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}
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if (suffix != "")
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newName = newName + "_" + suffix;
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iter->second->Write(newName.c_str());
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}
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}
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};
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typedef THCollection<TH1> TH1Collection;
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typedef THCollection<TH2> TH2Collection;
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typedef boost::shared_ptr<THCollection<TH1> > TH1CollectionRef;
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typedef boost::shared_ptr<THCollection<TH2> > TH2CollectionRef;
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}
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#endif /* THCOLLECTION_H_ */
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