Package net.time4j.engine

Class CalendarFamily<T extends CalendarVariant<T>>

java.lang.Object

net.time4j.engine.Chronology<T>

net.time4j.engine.CalendarFamily<T>

Type Parameters:

T - generic type compatible to CalendarVariant

All Implemented Interfaces:

ChronoMerger<T>

public final class CalendarFamily<T extends CalendarVariant<T>>
extends Chronology<T>

Represents a set of various calendar systems as members of a family.

Since:

3.4/4.3

Author:

Meno Hochschild

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	CalendarFamily.Builder<T extends CalendarVariant<T>>	Creates a builder for a new calendar family and will only be used during loading a class of a calendar variant in a static initializer.

Method Summary

Modifier and Type	Method	Description
CalendarSystem<T>	getCalendarSystem()	Not supported because the variant is missing.
CalendarSystem<T>	getCalendarSystem(String variant)	Returns the calendar system for given calendar variant if available.
TimeLine<T>	getTimeLine(String variant)	Obtains an object which is useful for generic interval support.
TimeLine<T>	getTimeLine(VariantSource variant)	Obtains an object which is useful for generic interval support.
boolean	hasCalendarSystem()	Queries if this chronology has a calendar system.
boolean	isSupported(ChronoElement<?> element)	Queries if given chronological element is supported by this chronology.

Methods inherited from class net.time4j.engine.Chronology

createFrom, createFrom, getCalendarSystem, getChronoType, getDefaultPivotYear, getDefaultStartOfDay, getExtensions, getFormatPattern, getRegisteredElements, isRegistered, lookup, preformat, preparser

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface net.time4j.engine.ChronoMerger

getFormatPattern

Method Details

hasCalendarSystem

public boolean hasCalendarSystem()

Description copied from class: Chronology

Queries if this chronology has a calendar system.

Overrides:

hasCalendarSystem in class Chronology<T extends CalendarVariant<T>>

Returns:

true if this chronology has a calendar system else false

See Also:

Chronology.getCalendarSystem()

getCalendarSystem

public CalendarSystem<T> getCalendarSystem()

Not supported because the variant is missing.

Overrides:

getCalendarSystem in class Chronology<T extends CalendarVariant<T>>

Returns:

nothing

Throws:

ChronoException - (always)

See Also:

getCalendarSystem(String), Chronology.getCalendarSystem(VariantSource)

getCalendarSystem

public CalendarSystem<T> getCalendarSystem(String variant)

Description copied from class: Chronology

Returns the calendar system for given calendar variant if available.

Overrides:

getCalendarSystem in class Chronology<T extends CalendarVariant<T>>

Parameters:

variant - name of calendar variant

Returns:

calendar system, not null

See Also:

VariantSource.getVariant()

getTimeLine

public TimeLine<T> getTimeLine(String variant)

Obtains an object which is useful for generic interval support.

Parameters:

variant - name of calendar variant

Returns:

serializable timeline which is variant-specific

Since:

3.36/4.31

getTimeLine

public TimeLine<T> getTimeLine(VariantSource variant)

Obtains an object which is useful for generic interval support.

Parameters:

variant - calendar variant

Returns:

serializable timeline which is variant-specific

Since:

5.0

isSupported

public boolean isSupported(ChronoElement<?> element)

Description copied from class: Chronology

Queries if given chronological element is supported by this chronology.

The element will be supported if it is either registered or defines a suitable element rule for this chronology.

Overrides:

isSupported in class Chronology<T extends CalendarVariant<T>>

Parameters:

element - element to be asked (optional)

Returns:

true if supported else false