java.time.YearMonth.atEndOfMonth()方法的使用及代码示例

x33g5p2x  于2022-02-05 转载在 其他  
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本文整理了Java中java.time.YearMonth.atEndOfMonth()方法的一些代码示例，展示了YearMonth.atEndOfMonth()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。YearMonth.atEndOfMonth()方法的具体详情如下：
包路径：java.time.YearMonth
类名称：YearMonth
方法名：atEndOfMonth

YearMonth.atEndOfMonth介绍

[英]Returns a LocalDate at the end of the month.

This returns a LocalDate based on this year-month. The day-of-month is set to the last valid day of the month, taking into account leap years.

This method can be used as part of a chain to produce a date:

  1. LocalDate date = year.atMonth(month).atEndOfMonth();

[中]在月底返回LocalDate。
这将返回基于今年月份的LocalDate。考虑到闰年，月日设置为该月的最后一个有效日。
此方法可作为链的一部分用于生成日期：

  1. LocalDate date = year.atMonth(month).atEndOfMonth();

代码示例

代码示例来源：origin: stackoverflow.com

  1. private static final String DATE_PATTERN = "MM/yy";
  3. public int getLastDayOfMonth(String dateString) {
  4.   DateTimeFormatter pattern = DateTimeFormatter.ofPattern(DATE_PATTERN);
  5.   YearMonth yearMonth = YearMonth.parse(dateString, pattern);
  6.   LocalDate date = yearMonth.atEndOfMonth();
  7.   return date.lengthOfMonth();
  8. }

代码示例来源：origin: stackoverflow.com

  1. YearMonth ym = YearMonth.of(2012, 1);
  3. String firstDay = ym.atDay(1).getDayOfWeek().name();
  4. String lastDay = ym.atEndOfMonth().getDayOfWeek().name();
  6. System.out.println(firstDay);
  7. System.out.println(lastDay);

代码示例来源：origin: stackoverflow.com

  1. public static int countDayOccurenceInMonth(DayOfWeek dow, YearMonth month) {
  2.  LocalDate start = month.atDay(1).with(TemporalAdjusters.nextOrSame(dow));
  3.  return (int) ChronoUnit.WEEKS.between(start, month.atEndOfMonth()) + 1;
  4. }

代码示例来源：origin: stackoverflow.com

  1. ZonedId zoneId = ZoneId.of( "America/Montreal" );
  2. YearMonth yearMonthNow = YearMonth.now( zoneId );
  3. YearMonth yearMonthPrevious = yearMonthNow.minusMonths( 1 );
  4. LocalDate firstOfMonth = yearMonthPrevious.atDay( 1 );
  5. LocalDate lastOfMonth = yearMonthPrevious.atEndOfMonth();

代码示例来源：origin: Silverpeas/Silverpeas-Core

  1. /**
  2.  * Gets a window of time on this calendar defined by the specified period. The window of time
  3.  * will include only the events in this calendar that occur in the specified period.
  4.  * @param yearMonth the month and year during which the events in this calendar occur.
  5.  * @return the window of time including the events in this calendar occurring in the given period.
  6.  */
  7. public CalendarTimeWindow in(final YearMonth yearMonth) {
  8.  return between(yearMonth.atDay(1), yearMonth.atEndOfMonth());
  9. }

代码示例来源：origin: stackoverflow.com

  1. YearMonth ym = YearMonth.parse( "2016-12" );
  2. LocalDate firstOfMonth = ym.atDay( 1 ); 
  3. LocalDate lastOfMonth = ym.atEndOfMonth();
  4. int nthWeek = 1;
  6. LocalDate ld = firstOfMonth;
  7. while( ! ld.isAfter( lastOfMonth ) ) {
  8.   System.out.print( ld.getDayOfMonth() + ", " );
  9.   if( ld.getDayOfWeek().equals( DayOfWeek.SUNDAY ) ) {
  10.     System.out.println( "" ); // Wrap to next line.
  11.   }
  12.   ld = ld.plusDays( 1 );  // Setup for next loop.
  13. }
  15. System.out.println( "\nDone." );

代码示例来源：origin: Silverpeas/Silverpeas-Core

  1. /**
  2.  * Gets a window of time on this calendar defined by the specified period. The window of time
  3.  * will include only the events in this calendar that occur in the specified period.
  4.  * @param year the year during which the events in this calendar occur.
  5.  * @return the window of time including the events in this calendar occurring in the given period.
  6.  */
  7. public CalendarTimeWindow in(final Year year) {
  8.  return between(year.atDay(1), year.atMonth(DECEMBER).atEndOfMonth());
  9. }

代码示例来源：origin: OpenGamma/Strata

  1. @Override
  2. public double value(PriceIndexObservation observation) {
  3.  YearMonth fixingMonth = observation.getFixingMonth();
  4.  // If fixing in the past, check time series and returns the historic month price index if present
  5.  if (fixingMonth.isBefore(YearMonth.from(valuationDate))) {
  6.   OptionalDouble fixing = fixings.get(fixingMonth.atEndOfMonth());
  7.   if (fixing.isPresent()) {
  8.    return fixing.getAsDouble();
  9.   }
  10.  }
  11.  throw new MarketDataNotFoundException("Unable to query forward value for historic index " + index);
  12. }

代码示例来源：origin: OpenGamma/Strata

  1. @Override
  2. public double value(PriceIndexObservation observation) {
  3.  YearMonth fixingMonth = observation.getFixingMonth();
  4.  // If fixing in the past, check time series and returns the historic month price index if present
  5.  if (fixingMonth.isBefore(YearMonth.from(valuationDate))) {
  6.   OptionalDouble fixing = fixings.get(fixingMonth.atEndOfMonth());
  7.   if (fixing.isPresent()) {
  8.    return fixing.getAsDouble();
  9.   }
  10.  }
  11.  // otherwise, return the estimate from the curve.
  12.  double nbMonth = numberOfMonths(fixingMonth);
  13.  return curve.yValue(nbMonth);
  14. }

代码示例来源：origin: OpenGamma/Strata

  1. public void test_value() {
  2.  for (int i = 0; i < TEST_MONTHS.length; i++) {
  3.   double valueComputed = INSTANCE.value(TEST_OBS[i]);
  4.   YearMonth fixingMonth = TEST_OBS[i].getFixingMonth();
  5.   double valueExpected;
  6.   if (USCPI_TS.containsDate(fixingMonth.atEndOfMonth())) {
  7.    valueExpected = USCPI_TS.get(fixingMonth.atEndOfMonth()).getAsDouble();
  8.   } else {
  9.    double x = YearMonth.from(VAL_DATE).until(fixingMonth, MONTHS);
  10.    valueExpected = CURVE_INFL.yValue(x);
  11.   }
  12.   assertEquals(valueComputed, valueExpected, TOLERANCE_VALUE, "test " + i);
  13.  }
  14. }

代码示例来源：origin: OpenGamma/Strata

  1. @Override
  2. public PointSensitivityBuilder valuePointSensitivity(PriceIndexObservation observation) {
  3.  YearMonth fixingMonth = observation.getFixingMonth();
  4.  // If fixing in the past, check time series and returns the historic month price index if present
  5.  if (fixingMonth.isBefore(YearMonth.from(valuationDate))) {
  6.   if (fixings.get(fixingMonth.atEndOfMonth()).isPresent()) {
  7.    return PointSensitivityBuilder.none();
  8.   }
  9.  }
  10.  return InflationRateSensitivity.of(observation, 1d);
  11. }

代码示例来源：origin: OpenGamma/Strata

  1. @Override
  2. public PointSensitivityBuilder valuePointSensitivity(PriceIndexObservation observation) {
  3.  YearMonth fixingMonth = observation.getFixingMonth();
  4.  // If fixing in the past, check time series and returns the historic month price index if present
  5.  if (fixingMonth.isBefore(YearMonth.from(valuationDate))) {
  6.   if (fixings.get(fixingMonth.atEndOfMonth()).isPresent()) {
  7.    return PointSensitivityBuilder.none();
  8.   }
  9.  }
  10.  throw new MarketDataNotFoundException("Unable to query forward value sensitivity for historic index " + index);
  11. }

代码示例来源：origin: OpenGamma/Strata

  1. private UnitParameterSensitivities unitParameterSensitivity(YearMonth month) {
  2.  // If fixing in the past, check time series and returns the historic month price index if present
  3.  if (month.isBefore(YearMonth.from(valuationDate))) {
  4.   if (fixings.get(month.atEndOfMonth()).isPresent()) {
  5.    return UnitParameterSensitivities.empty();
  6.   }
  7.  }
  8.  double nbMonth = numberOfMonths(month);
  9.  return UnitParameterSensitivities.of(curve.yValueParameterSensitivity(nbMonth));
  10. }

代码示例来源：origin: OpenGamma/Strata

  1. public void test_value_futfixing() {
  2.  for (int i = 0; i < TEST_MONTHS.length; i++) {
  3.   double valueComputed = INSTANCE_WITH_FUTFIXING.value(TEST_OBS[i]);
  4.   YearMonth fixingMonth = TEST_OBS[i].getFixingMonth();
  5.   double valueExpected;
  6.   if (fixingMonth.isBefore(YearMonth.from(VAL_DATE_2)) && USCPI_TS.containsDate(fixingMonth.atEndOfMonth())) {
  7.    valueExpected = USCPI_TS.get(fixingMonth.atEndOfMonth()).getAsDouble();
  8.   } else {
  9.    double x = YearMonth.from(VAL_DATE_2).until(fixingMonth, MONTHS);
  10.    valueExpected = CURVE_INFL2.yValue(x);
  11.   }
  12.   assertEquals(valueComputed, valueExpected, TOLERANCE_VALUE, "test " + i);
  13.  }
  14. }

代码示例来源：origin: OpenGamma/Strata

  1. public void test_value_pts_sensitivity() {
  2.  for (int i = 0; i < TEST_MONTHS.length; i++) {
  3.   PointSensitivityBuilder ptsComputed = INSTANCE.valuePointSensitivity(TEST_OBS[i]);
  4.   YearMonth fixingMonth = TEST_OBS[i].getFixingMonth();
  5.   PointSensitivityBuilder ptsExpected;
  6.   if (USCPI_TS.containsDate(fixingMonth.atEndOfMonth())) {
  7.    ptsExpected = PointSensitivityBuilder.none();
  8.   } else {
  9.    ptsExpected = InflationRateSensitivity.of(TEST_OBS[i], 1d);
  10.   }
  11.   assertTrue(ptsComputed.build().equalWithTolerance(ptsExpected.build(), TOLERANCE_VALUE), "test " + i);
  12.  }
  13. }

代码示例来源：origin: OpenGamma/Strata

  1. public void coverage() {
  2.  HistoricPriceIndexValues instance1 = HistoricPriceIndexValues.of(US_CPI_U, VAL_DATE, USCPI_TS);
  3.  coverImmutableBean(instance1);
  4.  HistoricPriceIndexValues test2 =
  5.    HistoricPriceIndexValues.of(
  6.      GB_HICP,
  7.      VAL_DATE.plusMonths(1),
  8.      LocalDateDoubleTimeSeries.of(VAL_MONTH.minusMonths(2).atEndOfMonth(), 100d));
  9.  coverBeanEquals(instance1, test2);
  10. }

代码示例来源：origin: OpenGamma/Strata

  1. public void coverage() {
  2.  SimplePriceIndexValues instance1 = SimplePriceIndexValues.of(US_CPI_U, VAL_DATE, CURVE_NOFIX, USCPI_TS);
  3.  coverImmutableBean(instance1);
  4.  SimplePriceIndexValues test2 =
  5.    SimplePriceIndexValues.of(
  6.      GB_HICP,
  7.      VAL_DATE.plusMonths(1),
  8.      CURVE_NOFIX,
  9.      LocalDateDoubleTimeSeries.of(VAL_MONTH.minusMonths(2).atEndOfMonth(), 100d));
  10.  coverBeanEquals(instance1, test2);
  11. }

代码示例来源：origin: OpenGamma/Strata

  1. public void test_value_pts_sensitivity_futfixing() {
  2.  for (int i = 0; i < TEST_MONTHS.length; i++) {
  3.   PointSensitivityBuilder ptsComputed = INSTANCE_WITH_FUTFIXING.valuePointSensitivity(TEST_OBS[i]);
  4.   YearMonth fixingMonth = TEST_OBS[i].getFixingMonth();
  5.   PointSensitivityBuilder ptsExpected;
  6.   if (fixingMonth.isBefore(YearMonth.from(VAL_DATE_2)) && USCPI_TS.containsDate(fixingMonth.atEndOfMonth())) {
  7.    ptsExpected = PointSensitivityBuilder.none();
  8.   } else {
  9.    ptsExpected = InflationRateSensitivity.of(TEST_OBS[i], 1d);
  10.   }
  11.   assertTrue(ptsComputed.build().equalWithTolerance(ptsExpected.build(), TOLERANCE_VALUE), "test " + i);
  12.  }
  13. }

代码示例来源：origin: OpenGamma/Strata

  1. public void test_value_parameter_sensitivity() {
  2.  for (int i = 0; i < TEST_MONTHS.length; i++) {
  3.   YearMonth fixingMonth = TEST_OBS[i].getFixingMonth();
  4.   if (!USCPI_TS.containsDate(fixingMonth.atEndOfMonth())) {
  5.    InflationRateSensitivity ptsExpected = (InflationRateSensitivity) InflationRateSensitivity.of(TEST_OBS[i], 1d);
  6.    CurrencyParameterSensitivities psComputed = INSTANCE.parameterSensitivity(ptsExpected);
  7.    double x = YearMonth.from(VAL_DATE).until(fixingMonth, MONTHS);
  8.    UnitParameterSensitivities sens1 = UnitParameterSensitivities.of(CURVE_INFL.yValueParameterSensitivity(x));
  9.    CurrencyParameterSensitivities psExpected =
  10.      sens1.multipliedBy(ptsExpected.getCurrency(), ptsExpected.getSensitivity());
  11.    assertTrue(psComputed.equalWithTolerance(psExpected, TOLERANCE_DELTA), "test " + i);
  12.   }
  13.  }
  14. }

代码示例来源：origin: OpenGamma/Strata

  1. public void test_value_parameter_sensitivity_futfixing() {
  2.  for (int i = 0; i < TEST_MONTHS.length; i++) {
  3.   YearMonth fixingMonth = TEST_OBS[i].getFixingMonth();
  4.   if (!fixingMonth.isBefore(YearMonth.from(VAL_DATE_2)) && !USCPI_TS.containsDate(fixingMonth.atEndOfMonth())) {
  5.    InflationRateSensitivity ptsExpected = (InflationRateSensitivity) InflationRateSensitivity.of(TEST_OBS[i], 1d);
  6.    CurrencyParameterSensitivities psComputed = INSTANCE_WITH_FUTFIXING.parameterSensitivity(ptsExpected);
  7.    double x = YearMonth.from(VAL_DATE_2).until(fixingMonth, MONTHS);
  8.    UnitParameterSensitivities sens1 = UnitParameterSensitivities.of(CURVE_INFL2.yValueParameterSensitivity(x));
  9.    CurrencyParameterSensitivities psExpected =
  10.      sens1.multipliedBy(ptsExpected.getCurrency(), ptsExpected.getSensitivity());
  11.    assertTrue(psComputed.equalWithTolerance(psExpected, TOLERANCE_DELTA), "test " + i);
  12.   }
  13.  }
  14. }

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