public final class EthiopicDate extends Object implements java.time.chrono.ChronoLocalDate, Serializable
This date operates using the Ethiopic calendar.
This calendar system is primarily used in Ethiopia.
Dates are aligned such that 0001-01-01 (Ethiopic)
is 0008-08-27 (ISO)
.
This class must be treated as a value type. Do not synchronize, rely on the identity hash code or use the distinction between equals() and ==.
Modifier and Type | Method and Description |
---|---|
java.time.chrono.ChronoLocalDateTime<EthiopicDate> |
atTime(java.time.LocalTime localTime) |
boolean |
equals(Object obj)
Compares this date to another date, including the chronology.
|
static EthiopicDate |
from(java.time.temporal.TemporalAccessor temporal)
Obtains a
EthiopicDate from a temporal object. |
EthiopicChronology |
getChronology()
Gets the chronology of this date, which is the Ethiopic calendar system.
|
EthiopicEra |
getEra()
Gets the era applicable at this date.
|
long |
getLong(java.time.temporal.TemporalField field) |
int |
hashCode()
A hash code for this date.
|
int |
lengthOfMonth()
Returns the length of the month represented by this date.
|
EthiopicDate |
minus(long amountToSubtract,
java.time.temporal.TemporalUnit unit) |
EthiopicDate |
minus(java.time.temporal.TemporalAmount amount) |
static EthiopicDate |
now()
Obtains the current
EthiopicDate from the system clock in the default time-zone. |
static EthiopicDate |
now(java.time.Clock clock)
Obtains the current
EthiopicDate from the specified clock. |
static EthiopicDate |
now(java.time.ZoneId zone)
Obtains the current
EthiopicDate from the system clock in the specified time-zone. |
static EthiopicDate |
of(int prolepticYear,
int month,
int dayOfMonth)
Obtains a
EthiopicDate representing a date in the Ethiopic calendar
system from the proleptic-year, month-of-year and day-of-month fields. |
EthiopicDate |
plus(long amountToAdd,
java.time.temporal.TemporalUnit unit) |
EthiopicDate |
plus(java.time.temporal.TemporalAmount amount) |
java.time.temporal.ValueRange |
range(java.time.temporal.TemporalField field) |
long |
toEpochDay() |
String |
toString() |
java.time.chrono.ChronoPeriod |
until(java.time.chrono.ChronoLocalDate endDateExclusive) |
long |
until(java.time.temporal.Temporal endExclusive,
java.time.temporal.TemporalUnit unit) |
EthiopicDate |
with(java.time.temporal.TemporalAdjuster adjuster) |
EthiopicDate |
with(java.time.temporal.TemporalField field,
long newValue) |
clone, finalize, getClass, notify, notifyAll, wait, wait, wait
public static EthiopicDate now()
EthiopicDate
from the system clock in the default time-zone.
This will query the system clock
in the default
time-zone to obtain the current date.
Using this method will prevent the ability to use an alternate clock for testing because the clock is hard-coded.
public static EthiopicDate now(java.time.ZoneId zone)
EthiopicDate
from the system clock in the specified time-zone.
This will query the system clock
to obtain the current date.
Specifying the time-zone avoids dependence on the default time-zone.
Using this method will prevent the ability to use an alternate clock for testing because the clock is hard-coded.
zone
- the zone ID to use, not nullpublic static EthiopicDate now(java.time.Clock clock)
EthiopicDate
from the specified clock.
This will query the specified clock to obtain the current date - today. Using this method allows the use of an alternate clock for testing. The alternate clock may be introduced using dependency injection.
clock
- the clock to use, not nulljava.time.DateTimeException
- if the current date cannot be obtainedpublic static EthiopicDate of(int prolepticYear, int month, int dayOfMonth)
EthiopicDate
representing a date in the Ethiopic calendar
system from the proleptic-year, month-of-year and day-of-month fields.
This returns a EthiopicDate
with the specified fields.
The day must be valid for the year and month, otherwise an exception will be thrown.
prolepticYear
- the Ethiopic proleptic-yearmonth
- the Ethiopic month-of-year, from 1 to 13dayOfMonth
- the Ethiopic day-of-month, from 1 to 30java.time.DateTimeException
- if the value of any field is out of range,
or if the day-of-month is invalid for the month-yearpublic static EthiopicDate from(java.time.temporal.TemporalAccessor temporal)
EthiopicDate
from a temporal object.
This obtains a date in the Ethiopic calendar system based on the specified temporal.
A TemporalAccessor
represents an arbitrary set of date and time information,
which this factory converts to an instance of EthiopicDate
.
The conversion typically uses the EPOCH_DAY
field, which is standardized across calendar systems.
This method matches the signature of the functional interface TemporalQuery
allowing it to be used as a query via method reference, EthiopicDate::from
.
from
in interface java.time.chrono.ChronoLocalDate
temporal
- the temporal object to convert, not nulljava.time.DateTimeException
- if unable to convert to a EthiopicDate
public EthiopicChronology getChronology()
The Chronology
represents the calendar system in use.
The era and other fields in ChronoField
are defined by the chronology.
getChronology
in interface java.time.chrono.ChronoLocalDate
public EthiopicEra getEra()
The Ethiopic calendar system has two eras, 'INCARNATION' and 'BEFORE_INCARNATION',
defined by EthiopicEra
.
getEra
in interface java.time.chrono.ChronoLocalDate
public EthiopicDate with(java.time.temporal.TemporalAdjuster adjuster)
with
in interface java.time.chrono.ChronoLocalDate
with
in interface java.time.temporal.Temporal
public EthiopicDate with(java.time.temporal.TemporalField field, long newValue)
with
in interface java.time.chrono.ChronoLocalDate
with
in interface java.time.temporal.Temporal
public EthiopicDate plus(java.time.temporal.TemporalAmount amount)
plus
in interface java.time.chrono.ChronoLocalDate
plus
in interface java.time.temporal.Temporal
public EthiopicDate plus(long amountToAdd, java.time.temporal.TemporalUnit unit)
plus
in interface java.time.chrono.ChronoLocalDate
plus
in interface java.time.temporal.Temporal
public EthiopicDate minus(java.time.temporal.TemporalAmount amount)
minus
in interface java.time.chrono.ChronoLocalDate
minus
in interface java.time.temporal.Temporal
public EthiopicDate minus(long amountToSubtract, java.time.temporal.TemporalUnit unit)
minus
in interface java.time.chrono.ChronoLocalDate
minus
in interface java.time.temporal.Temporal
public java.time.chrono.ChronoLocalDateTime<EthiopicDate> atTime(java.time.LocalTime localTime)
atTime
in interface java.time.chrono.ChronoLocalDate
public long until(java.time.temporal.Temporal endExclusive, java.time.temporal.TemporalUnit unit)
until
in interface java.time.chrono.ChronoLocalDate
until
in interface java.time.temporal.Temporal
public java.time.chrono.ChronoPeriod until(java.time.chrono.ChronoLocalDate endDateExclusive)
until
in interface java.time.chrono.ChronoLocalDate
public int lengthOfMonth()
This returns the length of the month in days. Months 1 to 12 have 30 days. Month 13 has 5 or 6 days.
public long toEpochDay()
public java.time.temporal.ValueRange range(java.time.temporal.TemporalField field)
range
in interface java.time.temporal.TemporalAccessor
public long getLong(java.time.temporal.TemporalField field)
getLong
in interface java.time.temporal.TemporalAccessor
public boolean equals(Object obj)
Compares this date with another ensuring that the date is the same.
Only objects of this concrete type are compared, other types return false.
To compare the dates of two TemporalAccessor
instances, including dates
in two different chronologies, use ChronoField.EPOCH_DAY
as a comparator.
public int hashCode()
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