public ObservationVectorizer(Iterable<Observation> data) {
Map<String, QuestionDef> definitions = new HashMap<String, QuestionDef>();
int index = 0;
for (Observation ob : data) {
for (Question q : ob.getQuestions()) {
if (!definitions.containsKey(q.getId()))
definitions.put(q.getId(), new QuestionDef(index++));
definitions.get(q.getId()).addValue(q.getAnswer());
}
}
this.definitions = definitions;
}
public List<Question> getQuestionsSelectedForHomework(int qIds[]) {
if (getQuestions() == null) throw new IllegalStateException();
List<Question> selectedQuestions1 = new ArrayList<>();
for (Question question : getQuestions())
for (int qid : qIds) if (question.getId() == qid) selectedQuestions1.add(question);
return selectedQuestions1;
}
public double[] getVector(Observation data) {
double[] result = new double[definitions.size()];
for (Question q : data.getQuestions()) {
QuestionDef def = definitions.get(q.getId());
result[def.index] = def.getNumericValue(q.getAnswer());
}
return result;
}
@Test
public void test_question_setId() {
// GIVEN
Question q = new Question();
long id = 512;
// WHEN
q.setId(id);
// THEN
assertEquals(q.getId(), id);
}
protected void askFeedback() {
// TODO
String answerText = etAnswer.getText().toString();
answer = new Answer(answerText, getAnswerer(), AnswerState.UnderReview);
question =
new Question(
question.getId(),
question.getQuestion(),
question.getAsker(),
getAnswerer(),
QuestionState.UpForFeedback,
null);
question.setAnswer(answer);
qService.UpdateQuestion(question);
aService.CreateAnswer(answer, questionInt);
}
@Test
public void testCreation() throws Exception {
Question q = new Question.Builder("Why is java so hard?").id("10").build();
Assert.assertEquals(q.getQuestion(), "Why is java so hard?");
Assert.assertEquals(q.getId(), "10");
}