Enum ZoneOffsetTransitionRule.TimeDefinition

All Implemented Interfaces:
Serializable, Comparable<ZoneOffsetTransitionRule.TimeDefinition>
Enclosing class:
ZoneOffsetTransitionRule
public static enum ZoneOffsetTransitionRule.TimeDefinition
extends Enum<ZoneOffsetTransitionRule.TimeDefinition>

A definition of the way a local time can be converted to the actual transition date-time.

Time zone rules are expressed in one of three ways:

  • Relative to UTC
  • Relative to the standard offset in force
  • Relative to the wall offset (what you would see on a clock on the wall)

Enum Constants

Enum Constant Description
STANDARD

The local date-time is expressed in terms of the standard offset.
UTC

The local date-time is expressed in terms of the UTC offset.
WALL

The local date-time is expressed in terms of the wall offset.

Methods

Modifier and Type Method Description
LocalDateTime createDateTime​(LocalDateTime dateTime, ZoneOffset standardOffset, ZoneOffset wallOffset)

Converts the specified local date-time to the local date-time actually seen on a wall clock.
static ZoneOffsetTransitionRule.TimeDefinition valueOf​(String name)

Returns the enum constant of this type with the specified name.
static ZoneOffsetTransitionRule.TimeDefinition[] values()

Returns an array containing the constants of this enum type, in the order they are declared.

Methods declared in class java.lang.Enum

clone, compareTo, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods declared in class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constants

UTC

public static final ZoneOffsetTransitionRule.TimeDefinition UTC

The local date-time is expressed in terms of the UTC offset.

WALL

public static final ZoneOffsetTransitionRule.TimeDefinition WALL

The local date-time is expressed in terms of the wall offset.

STANDARD

public static final ZoneOffsetTransitionRule.TimeDefinition STANDARD

The local date-time is expressed in terms of the standard offset.

Methods

values

public static ZoneOffsetTransitionRule.TimeDefinition[] values()

Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows: 

for (ZoneOffsetTransitionRule.TimeDefinition c : ZoneOffsetTransitionRule.TimeDefinition.values())
    System.out.println(c);

Returns:
an array containing the constants of this enum type, in the order they are declared

valueOf

public static ZoneOffsetTransitionRule.TimeDefinition valueOf(String name)

Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)

Parameters:
name - the name of the enum constant to be returned.
Returns:
the enum constant with the specified name
Throws:
IllegalArgumentException - if this enum type has no constant with the specified name
NullPointerException - if the argument is null

createDateTime

public LocalDateTime createDateTime(LocalDateTime dateTime,
                                    ZoneOffset standardOffset,
                                    ZoneOffset wallOffset)

Converts the specified local date-time to the local date-time actually seen on a wall clock.

This method converts using the type of this enum. The output is defined relative to the 'before' offset of the transition.

The UTC type uses the UTC offset. The STANDARD type uses the standard offset. The WALL type returns the input date-time. The result is intended for use with the wall-offset.

Parameters:
dateTime - the local date-time, not null
standardOffset - the standard offset, not null
wallOffset - the wall offset, not null
Returns:
the date-time relative to the wall/before offset, not null

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Documentation extracted from Debian's OpenJDK Development Kit package.
Licensed under the GNU General Public License, version 2, with the Classpath Exception.
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https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/time/zone/ZoneOffsetTransitionRule.TimeDefinition.html