コード例 #1
1
  /**
   * Returns all Weight Reading objects that fall within the time range specified (inclusive)
   *
   * @param leftBound The Date object specifying the earliest date boundary
   * @param rightBound The Date object specifying the latest date boundary
   * @param c The application context
   * @note Recreates only the new objects, since Identity Map is no longer applied: the reason for
   *     this is because whenever data is fetched, we know its usage right away and will not need to
   *     keep it in proximity for later usage, but rather direct usage
   * @return The ArrayList of all weighteReading in the database that fall within range
   * @throws MapperException Thrown when there is either a problem with mapping or if the
   *     Persistence layer returns an error
   */
  public static ArrayList<WeightReading> findAllWithinRangeInclusive(
      Date iLeftBound, Date iRightBound, Context iC) throws MapperException {
    try {
      ArrayList<ArrayList<String>> resultTable =
          WeightTDG.selectBetweenDatesInclusive(
              String.valueOf(iLeftBound.getTime()), String.valueOf(iRightBound.getTime()), iC);
      ArrayList<WeightReading> resultReadings = new ArrayList<WeightReading>(resultTable.size());
      for (int i = 0; i < resultTable.size(); ++i) {
        ArrayList<String> values = resultTable.get(i);
        WeightReading r;
        Long id = Long.valueOf(values.get(0));

        Date date = new Date(Long.valueOf(values.get(1)));
        /** Converts from Unix time to Java Date */
        int sourceInt = Integer.valueOf(values.get(2));
        ReadingSource source = sourceFromInt(sourceInt);
        float weight = Float.valueOf(values.get(3));

        r = new WeightReading(id, date, source, weight);

        resultReadings.add(r);
      }
      return resultReadings;
    } catch (PersistenceException iE) {
      throw new MapperException(
          "The Mapper failed to obtain the Weight Readings from the persistence layer. The TDG returned the following error: "
              + iE.getMessage());
    } catch (Exception iE) {
      throw new MapperException(
          "The mapper failed to complete an operation for the following unforeseen reason: "
              + iE.getMessage());
    }
  }
コード例 #2
0
 /**
  * Finds the next ID available for using in Weight Reading initialization
  *
  * @param c The application context
  * @return The next available Id
  * @throws MapperException Thrown if there is a problem mapping or if the persistence returns an
  *     error
  */
 public static Long getNextAvailableId(Context iC) throws MapperException {
   try {
     Long id = WeightTDG.getNextAvailableId(iC);
     return id;
   } catch (PersistenceException iE) {
     throw new MapperException(
         "The mapper failed to complete an operation because the persistence layer returned the following error: "
             + iE.getMessage());
   } catch (Exception iE) {
     throw new MapperException(
         "The mapper failed to complete an operation for the following unforeseen reason: "
             + iE.getMessage());
   }
 }
コード例 #3
0
  /**
   * Stores the new WeightReading
   *
   * @param r The WeightReading object
   * @param c The application context
   * @throws MapperException Thrown if there is a problem mapping or if the persistence returns an
   *     error
   */
  public static void insert(WeightReading iR, Context iC) throws MapperException {
    try {
      ArrayList<String> values = new ArrayList<String>(10);
      values.add(iR.getId().toString());
      values.add(String.valueOf(iR.getDateTaken().getTime()));
      values.add(String.valueOf(intFromSource(iR.getMeasurementSource())));
      values.add(String.valueOf(iR.getWeight()));

      WeightTDG.insert(values, iC);
      WeightTDG.removeRedundantEntries(values, iC);
    } catch (PersistenceException iE) {
      throw new MapperException(
          "The mapper failed to complete an operation because the persistence layer returned the following error: "
              + iE.getMessage());
    } catch (Exception iE) {
      throw new MapperException(
          "The mapper failed to complete an operation for the following unforeseen reason: "
              + iE.getMessage());
    }
  }