Exemple #1
0
  @Test
  public void testQTable() {
    final QTable t = getTestTable();

    try {
      t.getColumnIndex("unknown");
      fail("NullPointerException was expected");
    } catch (NullPointerException e) {
      assertTrue(true);
    } catch (Exception e) {
      fail("NullPointerException was expected");
    }

    assertEquals(0, t.getColumnIndex("f"));

    assertTrue(t.hasColumn("f"));
    assertFalse(t.hasColumn("unknown"));

    assertEquals(t, t);
    assertEquals(t, getTestTable());

    int i = 0;
    final Iterator<Row> it = t.iterator();

    while (it.hasNext()) {
      final Row row = it.next();
      final Iterator<Object> cit = row.iterator();
      int j = 0;

      while (cit.hasNext()) {
        final Object v = cit.next();
        assertEquals(t.get(i).get(j), v);
        j++;
      }

      assertEquals(t.getColumnsCount(), j);
      i++;
    }

    assertEquals(t.getRowsCount(), i);
  }
  void runLearningLoop() {
    QTable q = new QTable(getActionRange());
    int moveCounter = 0;

    int count = 0;
    while (count < 100) {
      // PRINT MAP
      //            printMap();
      // CHECK IF WON, THEN RESET
      if (isGoalReached()) {
        System.out.println("GOAL REACHED IN " + moveCounter + " MOVES!");
        resetMaze();
        moveCounter = 0;
        count++;
        //                q.updateQvalue(100, map);
        //                return;
      }

      // DETERMINE ACTION
      int action = q.getNextAction(getMap());
      //            System.out.println(action+"MOVING: "+getMoveName(action));
      goToNextState(action);
      moveCounter++;

      // REWARDS AND ADJUSTMENT OF WEIGHTS SHOULD TAKE PLACE HERE
      if (isGoalReached()) {
        q.updateQvalue(1, map);
      } else {
        q.updateQvalue(-100, map);
      }

      // COMMENT THE SLEEP FUNCTION IF YOU NEED FAST TRAINING WITHOUT
      // NEEDING TO ACTUALLY SEE IT PROGRESS
      // Thread.sleep(1000);
    }
  }