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- <a href="MiniTreeDataSet_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> </div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#ifndef minitreedataset_h</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#define minitreedataset_h</span></div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> </div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#include <string></span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#include <tuple></span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor">#include "filval/filval.hpp"</span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#include "filval_root/filval_root.hpp"</span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor">#include "<a class="code" href="MiniTree_8hpp.html">MiniTree.hpp</a>"</span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="keyword">using namespace </span><a class="code" href="namespacestd.html">std</a>;</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="keyword">using namespace </span><a class="code" href="namespacefv.html">fv</a>;</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="keyword">using namespace </span><a class="code" href="namespacefv_1_1root.html">fv::root</a>;</div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> </div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="keyword">class </span>MiniTreeDataSet : <span class="keyword">public</span> DataSet,</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keyword">public</span> MiniTree{</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  <span class="keyword">private</span>:</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  std::string input_filename;</div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  std::string output_filename;</div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  TFile* input_file;</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  TFile* output_file;</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  <span class="keywordtype">long</span> next_entry;</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  <span class="keywordtype">long</span> nentries;</div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>  <span class="keywordtype">bool</span> load_next(){</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keywordflow">if</span> (next_entry >= nentries) <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  fChain->GetEntry(next_entry);</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  ++next_entry;</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  }</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <span class="keywordtype">int</span> get_events(){</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keywordflow">return</span> nentries;</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  }</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  <span class="keywordtype">int</span> get_current_event(){</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keywordflow">return</span> next_entry-1;</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  }</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span> </div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keyword">public</span>:</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  MiniTreeDataSet(<span class="keyword">const</span> std::string& input_filename, <span class="keyword">const</span> std::string output_filename)</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  :input_filename(input_filename),</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  output_filename(output_filename),</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  next_entry(0) {</div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  input_file = TFile::Open(input_filename.c_str());</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  Init((TTree*) input_file->Get(<span class="stringliteral">"tree"</span>));</div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  nentries = fChain->GetEntriesFast();</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  output_file = TFile::Open(output_filename.c_str(), <span class="stringliteral">"RECREATE"</span>);</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  }</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span> </div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  ~MiniTreeDataSet(){</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  input_file->Close();</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  output_file->Close();</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  }</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span> </div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> T></div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <a class="code" href="classfv_1_1Value.html">Value<T></a>* track_branch(<span class="keyword">const</span> std::string& bname){</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  TBranch* branch = fChain->GetBranch(bname.c_str());</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keywordflow">if</span> (branch == <span class="keyword">nullptr</span>){</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  CRITICAL(<span class="stringliteral">"Branch: "</span> << bname << <span class="stringliteral">" does not exist in input tree."</span>, -1);</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  }</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  T* bref = (T*) branch->GetAddress();</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  fChain->SetBranchStatus(bname.c_str(), <span class="keyword">true</span>);</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  INFO(<span class="stringliteral">"Registering branch \""</span> << bname</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  << <span class="stringliteral">"\" with address "</span> << bref</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  << <span class="stringliteral">" and type "</span> << <span class="keyword">typeid</span>(bref).name());</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keywordflow">return</span> <span class="keyword">new</span> <a class="code" href="classfv_1_1ObservedValue.html">ObservedValue<T></a>(bname, bref);</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  }</div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span> </div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> T></div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <a class="code" href="classfv_1_1Value.html">Value<T*></a>* track_branch_ptr(<span class="keyword">const</span> std::string& bname){</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  TBranch* branch = fChain->GetBranch(bname.c_str());</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keywordflow">if</span> (branch == <span class="keyword">nullptr</span>){</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  CRITICAL(<span class="stringliteral">"Branch: "</span> << bname << <span class="stringliteral">" does not exist in input tree."</span>, -1);</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  }</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  T* bref = (T*) branch->GetAddress();</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  fChain->SetBranchStatus(bname.c_str(), <span class="keyword">true</span>);</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  INFO(<span class="stringliteral">"Registering pointer branch \""</span> << bname</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  << <span class="stringliteral">"\" with address "</span> << bref</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  << <span class="stringliteral">" and type "</span> << <span class="keyword">typeid</span>(bref).name());</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keywordflow">return</span> <span class="keyword">new</span> <a class="code" href="classfv_1_1PointerValue.html">PointerValue<T></a>(bname, bref);</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  }</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span> </div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keyword">template</span> <<span class="keyword">typename</span> T></div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <a class="code" href="classfv_1_1WrapperVector.html">WrapperVector<T></a>* track_branch_vec(<span class="keyword">const</span> std::string& size_bname, <span class="keyword">const</span> std::string& bname){</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  track_branch_ptr<T>(bname);</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  <span class="keywordflow">return</span> <span class="keyword">new</span> <a class="code" href="classfv_1_1WrapperVector.html">WrapperVector<T></a>(lookup<int>(size_bname), lookup<T*>(bname), bname);</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  }</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span> </div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordtype">void</span> save_all(){</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  output_file->cd();</div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordflow">for</span>(<span class="keyword">auto</span> container : containers){</div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  container.second->save_as(<span class="stringliteral">"outfile"</span>, SaveOption::ROOT);</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  }</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  }</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span> };</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span> <span class="preprocessor">#endif // minitreedataset_h</span></div><div class="ttc" id="classfv_1_1WrapperVector_html"><div class="ttname"><a href="classfv_1_1WrapperVector.html">fv::WrapperVector</a></div><div class="ttdoc">A std::vector wrapper around a C-style array. </div><div class="ttdef"><b>Definition:</b> value.hpp:446</div></div>
- <div class="ttc" id="namespacestd_html"><div class="ttname"><a href="namespacestd.html">std</a></div></div>
- <div class="ttc" id="classfv_1_1ObservedValue_html"><div class="ttname"><a href="classfv_1_1ObservedValue.html">fv::ObservedValue</a></div><div class="ttdoc">A value supplied by the dataset, not derived. </div><div class="ttdef"><b>Definition:</b> value.hpp:372</div></div>
- <div class="ttc" id="namespacefv_html"><div class="ttname"><a href="namespacefv.html">fv</a></div><div class="ttdoc">The namespace containing all filval classes and functions. </div><div class="ttdef"><b>Definition:</b> api.hpp:6</div></div>
- <div class="ttc" id="classfv_1_1Value_html"><div class="ttname"><a href="classfv_1_1Value.html">fv::Value</a></div><div class="ttdoc">A generic value. </div><div class="ttdef"><b>Definition:</b> value.hpp:352</div></div>
- <div class="ttc" id="namespacefv_1_1root_html"><div class="ttname"><a href="namespacefv_1_1root.html">fv::root</a></div><div class="ttdef"><b>Definition:</b> api.hpp:8</div></div>
- <div class="ttc" id="MiniTree_8hpp_html"><div class="ttname"><a href="MiniTree_8hpp.html">MiniTree.hpp</a></div></div>
- <div class="ttc" id="classfv_1_1PointerValue_html"><div class="ttname"><a href="classfv_1_1PointerValue.html">fv::PointerValue</a></div><div class="ttdoc">A Value of a pointer. </div><div class="ttdef"><b>Definition:</b> value.hpp:923</div></div>
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