Map<String, Double> eigenvector = EigenvectorCalculator.calcule(graph, edgesWeigth);
Map<String, EgoMeasure<String>> ego = EgoMeasureCalculator.calcule(graph, edgesWeigth);
Map<String, StructuralHolesMeasure<String>> structuralHoles = StructuralHolesCalculator.calcule(graph, edgesWeigth);
// number of pull requests in date interval
Long numberOfAllPullrequestFuture = pairFileDAO.calculeNumberOfPullRequest(getRepository(), null, null, futureBeginDate, futureEndDate, true);
// cache for optimization number of pull requests where file is in,
// reducing access to database
Map<String, Long> pullRequestFileMap = new HashMap<>();
// cache for optimization file code churn (add, del, change),
// reducing access to database