How to use

getFirstMonthOfYear

method

in

org.dashbuilder.dataset.date.TimeInstant

if (instant.getFirstMonthOfYear() == null) {
  throw new IllegalArgumentException("Invalid first year month (ex '" + example + "'): " + timeInstantExpr);

if (instant.getFirstMonthOfYear() == null) {
  throw new IllegalArgumentException("Invalid first year month (ex '" + example + "'): " + timeInstantExpr);

public Month getFirstMonthOfYear() {
  TimeInstant instantFrom = timeFrame.getFrom();
  TimeInstant.TimeMode modeFrom = instantFrom.getTimeMode();
  if (modeFrom != null && !modeFrom.equals(TimeInstant.TimeMode.NOW)) {
    DateIntervalType intervalType = instantFrom.getIntervalType();
    if (intervalType != null && intervalType.getIndex() > DateIntervalType.MONTH.getIndex()) {
      return instantFrom.getFirstMonthOfYear();
    }
  }
  TimeInstant instantTo = timeFrame.getTo();
  TimeInstant.TimeMode modeTo = instantTo.getTimeMode();
  if (modeTo != null && !modeTo.equals(TimeInstant.TimeMode.NOW)) {
    DateIntervalType intervalType = instantTo.getIntervalType();
    if (intervalType != null && intervalType.getIndex() > DateIntervalType.MONTH.getIndex()) {
      return instantTo.getFirstMonthOfYear();
    }
  }
  return null;
}

public Month getFirstMonthOfYear() {
  TimeInstant instantFrom = timeFrame.getFrom();
  TimeInstant.TimeMode modeFrom = instantFrom.getTimeMode();
  if (modeFrom != null && !modeFrom.equals(TimeInstant.TimeMode.NOW)) {
    DateIntervalType intervalType = instantFrom.getIntervalType();
    if (intervalType != null && intervalType.getIndex() > DateIntervalType.MONTH.getIndex()) {
      return instantFrom.getFirstMonthOfYear();
    }
  }
  TimeInstant instantTo = timeFrame.getTo();
  TimeInstant.TimeMode modeTo = instantTo.getTimeMode();
  if (modeTo != null && !modeTo.equals(TimeInstant.TimeMode.NOW)) {
    DateIntervalType intervalType = instantTo.getIntervalType();
    if (intervalType != null && intervalType.getIndex() > DateIntervalType.MONTH.getIndex()) {
      return instantTo.getFirstMonthOfYear();
    }
  }
  return null;
}