public int getMaximumValue(ReadablePartial partial) {
if (partial.isSupported(DateTimeFieldType.monthOfYear())) {
int month = partial.get(DateTimeFieldType.monthOfYear());
if (partial.isSupported(DateTimeFieldType.year())) {
int year = partial.get(DateTimeFieldType.year());
return iChronology.getDaysInYearMonth(year, month);
}
return iChronology.getDaysInMonthMax(month);
}
return getMaximumValue();
}
public static long getTimeInterval(EnumQuotaPeriod period, DateTimeZone timezone) {
DateTime ct = getCurrentWindow(period, timezone);
DateTime tt = null;
int y = ct.get(DateTimeFieldType.year());
int m = ct.get(DateTimeFieldType.monthOfYear());
int d = ct.get(DateTimeFieldType.dayOfMonth());
int h = ct.get(DateTimeFieldType.hourOfDay());
switch (period) {
case Hourly:
h++;
tt = new DateTime(y, m, d, h, 0, timezone);
break;
case Daily:
d++;
tt = new DateTime(y, m, d, 0, 0, timezone);
break;
case Monthly:
m++;
tt = new DateTime(y, m, 0, 0, 0, timezone);
break;
case Yearly:
y++;
tt = new DateTime(y, m, 0, 0, 0, timezone);
break;
}
Interval i = new Interval(ct, tt);
return i.toDurationMillis();
}
// -----------------------------------------------------------------------
public int[] add(ReadablePartial partial, int fieldIndex, int[] values, int valueToAdd) {
// overridden as superclass algorithm can't handle
// 2004-02-29 + 48 months -> 2008-02-29 type dates
if (valueToAdd == 0) {
return values;
}
if (partial.size() > 0
&& partial.getFieldType(0).equals(DateTimeFieldType.monthOfYear())
&& fieldIndex == 0) {
// month is largest field and being added to, such as month-day
int curMonth0 = partial.getValue(0) - 1;
int newMonth = ((curMonth0 + (valueToAdd % 12) + 12) % 12) + 1;
return set(partial, 0, values, newMonth);
}
if (DateTimeUtils.isContiguous(partial)) {
long instant = 0L;
for (int i = 0, isize = partial.size(); i < isize; i++) {
instant = partial.getFieldType(i).getField(iChronology).set(instant, values[i]);
}
instant = add(instant, valueToAdd);
return iChronology.get(partial, instant);
} else {
return super.add(partial, fieldIndex, values, valueToAdd);
}
}
public static Partial getPartialFromString(String date) {
Integer month = Integer.valueOf(date.substring(0, 2));
Integer year = Integer.valueOf(date.substring(2));
return new Partial(
new DateTimeFieldType[] {DateTimeFieldType.year(), DateTimeFieldType.monthOfYear()},
new int[] {year.intValue(), month.intValue()});
}
public static DateTime getCurrentWindow(
EnumQuotaPeriod period, long timestamp, DateTimeZone timezone) {
DateTime ct = new DateTime(timestamp);
switch (period) {
case Hourly:
return new DateTime(
ct.get(DateTimeFieldType.year()),
ct.get(DateTimeFieldType.monthOfYear()),
ct.get(DateTimeFieldType.dayOfMonth()),
ct.get(DateTimeFieldType.hourOfDay()),
0,
timezone);
case Daily:
return new DateTime(
ct.get(DateTimeFieldType.year()),
ct.get(DateTimeFieldType.monthOfYear()),
ct.get(DateTimeFieldType.dayOfMonth()),
0,
0,
timezone);
case Monthly:
return new DateTime(
ct.get(DateTimeFieldType.year()),
ct.get(DateTimeFieldType.monthOfYear()),
0,
0,
0,
timezone);
case Yearly:
return new DateTime(ct.get(DateTimeFieldType.year()), 0, 0, 0, 0, timezone);
default:
break;
}
return null;
}
public int getMaximumValue(ReadablePartial partial, int[] values) {
int size = partial.size();
for (int i = 0; i < size; i++) {
if (partial.getFieldType(i) == DateTimeFieldType.monthOfYear()) {
int month = values[i];
for (int j = 0; j < size; j++) {
if (partial.getFieldType(j) == DateTimeFieldType.year()) {
int year = values[j];
return iChronology.getDaysInYearMonth(year, month);
}
}
return iChronology.getDaysInMonthMax(month);
}
}
return getMaximumValue();
}
/**
* Get the month of year field for this chronology.
*
* @return DateTimeField or UnsupportedDateTimeField if unsupported
*/
public DateTimeField monthOfYear() {
return UnsupportedDateTimeField.getInstance(DateTimeFieldType.monthOfYear(), months());
}
/**
* Restricted constructor.
*
* @param leapMonth the month of year that leaps
*/
BasicMonthOfYearDateTimeField(BasicChronology chronology, int leapMonth) {
super(DateTimeFieldType.monthOfYear(), chronology.getAverageMillisPerMonth());
iChronology = chronology;
iMax = iChronology.getMaxMonth();
iLeapMonth = leapMonth;
}
private static YearMonthDay getDateFromPartial(Partial partial) {
return new YearMonthDay(
partial.get(DateTimeFieldType.year()), partial.get(DateTimeFieldType.monthOfYear()), 1);
}
public static Partial getPartialFromYearMonthDay(YearMonthDay day) {
return new Partial(
new DateTimeFieldType[] {DateTimeFieldType.year(), DateTimeFieldType.monthOfYear()},
new int[] {day.getYear(), day.getMonthOfYear()});
}
/**
* Several discrete domains for dates.
*
* <p><strong>WARNING:</strong> When using these domains in a contiguous set, you
* <strong>must</strong> ensure that your range has been {@link
* PartitionDiscreteDomain#alignOut(Range) aligned} on this domain. Otherwise, you will experience
* infinite loops.
*/
public class DateDiscreteDomain extends PartitionDiscreteDomain<Date> implements Serializable {
private static final long serialVersionUID = 1L;
/**
* @return A discrete domain for the first day of each month at midnight.
* <p><strong>WARNING:</strong> When using this domain in a contiguous set, you
* <strong>must</strong> ensure that your range has been {@link
* DateDiscreteDomain#alignOut(Range) aligned} on this domain. Otherwise, you will experience
* infinite loops.
*/
public static DateDiscreteDomain months() {
return MONTHS;
}
private static final DateDiscreteDomain MONTHS =
new DateDiscreteDomain(DurationFieldType.months(), DateTimeFieldType.monthOfYear()) {
private static final long serialVersionUID = 1L;
private Object readResolve() {
return MONTHS;
}
@Override
public String toString() {
return "DateDiscreteDomain.months()";
}
};
/**
* @return A discrete domain for the first day of each week at midnight.
* <p><strong>WARNING:</strong> When using this domain in a contiguous set, you
* <strong>must</strong> ensure that your range has been {@link
* DateDiscreteDomain#align(Range) aligned} on this domain. Otherwise, you will experience
* infinite loops.
*/
public static DateDiscreteDomain weeks() {
return WEEKS;
}
private static final DateDiscreteDomain WEEKS =
new DateDiscreteDomain(DurationFieldType.weeks(), DateTimeFieldType.weekOfWeekyear()) {
private static final long serialVersionUID = 1L;
private Object readResolve() {
return WEEKS;
}
@Override
public String toString() {
return "DateDiscreteDomain.weeks()";
}
};
private final DurationFieldType iterationFieldType;
private final DateTimeFieldType roundFieldType;
private final PeriodType periodType;
private DateDiscreteDomain(
DurationFieldType iterationFieldType, DateTimeFieldType roundFloorFieldType) {
this.iterationFieldType = iterationFieldType;
this.roundFieldType = roundFloorFieldType;
this.periodType = PeriodType.forFields(new DurationFieldType[] {iterationFieldType});
}
@Override
public Date next(Date value) {
return internalAlignPrevious(value).withFieldAdded(iterationFieldType, 1).toDate();
}
@Override
public Date previous(Date value) {
return internalAlignNext(value).withFieldAdded(iterationFieldType, -1).toDate();
}
@Override
public long distance(Date start, Date end) {
return new Period(new LocalDate(start), new LocalDate(end), periodType).get(iterationFieldType);
}
@Override
public Date alignNext(Date value) {
return internalAlignNext(value).toDate();
}
@Override
public Date alignPrevious(Date value) {
return internalAlignPrevious(value).toDate();
}
private LocalDate internalAlignNext(Date value) {
return new LocalDate(value).property(roundFieldType).roundCeilingCopy();
}
private LocalDate internalAlignPrevious(Date value) {
return new LocalDate(value).property(roundFieldType).roundFloorCopy();
}
}