/**
* @param node Node whose value is studied
* @return
*/
private static Multimap<SuggestionType, Object> getSuggestionForNode(TreeNode node) {
// For storing the suggestion type and the payload
Multimap<SuggestionType, Object> suggestionsMultimap = ArrayListMultimap.create();
final String EMPTY = "";
try {
InitialContext ic = new InitialContext();
ProjectSimilarityService projectSimilarityService =
(ProjectSimilarityService) ic.lookup("java:module/ProjectSimilarityService");
QualityObjectiveSimilarityService qoSimilarityService =
(QualityObjectiveSimilarityService)
ic.lookup("java:module/QualityObjectiveSimilarityService");
// TODO: Finding similar metrics
if (node instanceof QualityObjective) {
QualityObjective qo = (QualityObjective) node;
Float value = qo.getValue();
// If the value of a quality objective cannot be computed,
// attempt to obtain a suggestion
if (value == null || value.isNaN()) {
// Attempt to find a suitable project
Project proj = qo.getProject();
Project similarProject = null;
if (proj != null) {
// Get a list of similar projects
List<Project> similarProjects = projectSimilarityService.getSimilarProjects(proj);
if (similarProjects != null && similarProjects.size() > 0) {
// For now obtain the first suitable project
similarProject = similarProjects.get(0);
}
}
// If a suitable similar project was found, search for similar Quality Objective(s) to be
// suggested
if (similarProject != null) {
// Get similar QOs from a similar project
List<QualityObjective> qos = qoSimilarityService.getSimilarQOs(qo, similarProject);
// If results were found, construct a suggestion (for now obtain the first one).
if (qos != null && qos.size() > 0) {
suggestionsMultimap.put(SuggestionType.QO_REPLACE, qos.get(0));
return suggestionsMultimap;
}
}
// Otherwise suggest the QO to be removed
suggestionsMultimap.put(SuggestionType.QO_REMOVE, null);
return suggestionsMultimap;
}
}
// if a metric has no value / the value is 0, return a suggestion to
// remove the metric
if (node instanceof Metric) {
Metric metric = (Metric) node;
Float value = metric.getValue();
if (value == null || value.isNaN() || value.isInfinite()) {
suggestionsMultimap.put(SuggestionType.METRIC_REMOVE, null);
return suggestionsMultimap;
}
}
} catch (NamingException e) {
e.printStackTrace();
}
// If no suggestion is to be provided, return an empty string
// (overwrite the possible existing suggestion).
suggestionsMultimap.put(SuggestionType.NO_SUGGESTION, "");
return suggestionsMultimap;
}
