/// <summary>
/// Obtains an instance of {@code ChronoPeriodImpl} from a temporal amount.
/// </summary>
/// <param name="amount"> the temporal amount to convert, not null </param>
/// <returns> the period, not null </returns>
private ChronoPeriodImpl ValidateAmount(TemporalAmount amount)
{
Objects.RequireNonNull(amount, "amount");
if (amount is ChronoPeriodImpl == ChronoPeriod_Fields.False)
{
throw new DateTimeException("Unable to obtain ChronoPeriod from TemporalAmount: " + amount.GetType());
}
ChronoPeriodImpl period = (ChronoPeriodImpl)amount;
if (Chrono.Equals(period.Chronology) == ChronoPeriod_Fields.False)
{
throw new ClassCastException("Chronology mismatch, expected: " + Chrono.Id + ", actual: " + period.Chronology.Id);
}
return(period);
}
private void UpdateCheckConflict(ChronoLocalDate cld)
{
if (Date != java.time.temporal.TemporalAccessor_Fields.Null)
{
if (cld != java.time.temporal.TemporalAccessor_Fields.Null && Date.Equals(cld) == false)
{
throw new DateTimeException("Conflict found: Fields resolved to two different dates: " + Date + " " + cld);
}
}
else if (cld != java.time.temporal.TemporalAccessor_Fields.Null)
{
if (Chrono.Equals(cld.Chronology) == false)
{
throw new DateTimeException("ChronoLocalDate must use the effective parsed chronology: " + Chrono);
}
Date = cld;
}
}
//-------------------------------------------------------------------------
/// <summary>
/// Compares this date to another date, including the chronology.
/// <para>
/// Compares this {@code HijrahDate} with another ensuring that the date is the same.
/// </para>
/// <para>
/// Only objects of type {@code HijrahDate} are compared, other types return false.
/// To compare the dates of two {@code TemporalAccessor} instances, including dates
/// in two different chronologies, use <seealso cref="ChronoField#EPOCH_DAY"/> as a comparator.
///
/// </para>
/// </summary>
/// <param name="obj"> the object to check, null returns false </param>
/// <returns> true if this is equal to the other date and the Chronologies are equal </returns>
public override bool Equals(Object obj) // override for performance
{
if (this == obj)
{
return(true);
}
if (obj is HijrahDate)
{
HijrahDate otherDate = (HijrahDate)obj;
return(ProlepticYear == otherDate.ProlepticYear && this.MonthOfYear == otherDate.MonthOfYear && this.DayOfMonth == otherDate.DayOfMonth && Chronology.Equals(otherDate.Chronology));
}
return(false);
}