org.joda.time.chrono
Class ISOChronology

java.lang.Object
  extended by org.joda.time.Chronology
      extended by org.joda.time.chrono.BaseChronology
          extended by org.joda.time.chrono.AssembledChronology
              extended by org.joda.time.chrono.ISOChronology
All Implemented Interfaces:
Serializable

public final class ISOChronology
extends AssembledChronology

Implements a chronology that follows the rules of the ISO8601 standard, which is compatible with Gregorian for all modern dates. When ISO does not define a field, but it can be determined (such as AM/PM) it is included.

With the exception of century related fields, ISOChronology is exactly the same as GregorianChronology. In this chronology, centuries and year of century are zero based. For all years, the century is determined by dropping the last two digits of the year, ignoring sign. The year of century is the value of the last two year digits.

ISOChronology is thread-safe and immutable.

Since:
1.0
See Also:
Serialized Form

Nested Class Summary
 
Nested classes/interfaces inherited from class org.joda.time.chrono.AssembledChronology
AssembledChronology.Fields
 
Method Summary
protected  void assemble(AssembledChronology.Fields fields)
          Invoked by the constructor and after deserialization to allow subclasses to define all of its supported fields.
 boolean equals(Object obj)
          Checks if this chronology instance equals another.
static ISOChronology getInstance()
          Gets an instance of the ISOChronology in the default time zone.
static ISOChronology getInstance(DateTimeZone zone)
          Gets an instance of the ISOChronology in the given time zone.
static ISOChronology getInstanceUTC()
          Gets an instance of the ISOChronology.
 int hashCode()
          A suitable hash code for the chronology.
 String toString()
          Gets a debugging toString.
 Chronology withUTC()
          Gets the Chronology in the UTC time zone.
 Chronology withZone(DateTimeZone zone)
          Gets the Chronology in a specific time zone.
 
Methods inherited from class org.joda.time.chrono.AssembledChronology
centuries, centuryOfEra, clockhourOfDay, clockhourOfHalfday, dayOfMonth, dayOfWeek, dayOfYear, days, era, eras, getBase, getDateTimeMillis, getDateTimeMillis, getDateTimeMillis, getParam, getZone, halfdayOfDay, halfdays, hourOfDay, hourOfHalfday, hours, millis, millisOfDay, millisOfSecond, minuteOfDay, minuteOfHour, minutes, monthOfYear, months, secondOfDay, secondOfMinute, seconds, weekOfWeekyear, weeks, weekyear, weekyearOfCentury, weekyears, year, yearOfCentury, yearOfEra, years
 
Methods inherited from class org.joda.time.chrono.BaseChronology
add, add, get, get, get, set, validate
 
Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait
 

Method Detail

getInstanceUTC

public static ISOChronology getInstanceUTC()
Gets an instance of the ISOChronology. The time zone of the returned instance is UTC.

Returns:
a singleton UTC instance of the chronology

getInstance

public static ISOChronology getInstance()
Gets an instance of the ISOChronology in the default time zone.

Returns:
a chronology in the default time zone

getInstance

public static ISOChronology getInstance(DateTimeZone zone)
Gets an instance of the ISOChronology in the given time zone.

Parameters:
zone - the time zone to get the chronology in, null is default
Returns:
a chronology in the specified time zone

withUTC

public Chronology withUTC()
Gets the Chronology in the UTC time zone.

Specified by:
withUTC in class BaseChronology
Returns:
the chronology in UTC

withZone

public Chronology withZone(DateTimeZone zone)
Gets the Chronology in a specific time zone.

Specified by:
withZone in class BaseChronology
Parameters:
zone - the zone to get the chronology in, null is default
Returns:
the chronology
See Also:
ZonedChronology

toString

public String toString()
Gets a debugging toString.

Specified by:
toString in class BaseChronology
Returns:
a debugging string

assemble

protected void assemble(AssembledChronology.Fields fields)
Description copied from class: AssembledChronology
Invoked by the constructor and after deserialization to allow subclasses to define all of its supported fields. All unset fields default to unsupported instances.

Specified by:
assemble in class AssembledChronology
Parameters:
fields - container of fields

equals

public boolean equals(Object obj)
Checks if this chronology instance equals another.

Overrides:
equals in class Object
Parameters:
obj - the object to compare to
Returns:
true if equal
Since:
1.6

hashCode

public int hashCode()
A suitable hash code for the chronology.

Overrides:
hashCode in class Object
Returns:
the hash code
Since:
1.6


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