org.gvsig.timesupport

Interface Interval

All Superinterfaces:

Time

All Known Subinterfaces:

AbsoluteInterval, RelativeInterval

All Known Implementing Classes:

DefaultAbsoluteInterval, DefaultRelativeInterval

public interface Interval
extends Time

A time interval represents a period of time between two instants. Intervals are inclusive of the start instant and exclusive of the end. The end instant is always greater than or equal to the start instant.

Intervals have a fixed millisecond duration. This is the difference between the start and end instants. As a result, intervals are not comparable. To compare the length of two intervals, you should compare their durations.

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A huge part of the documentation of this class has been retrieved from the joda-time library.

See Also:

http://joda-time.sourceforge.net, https://gvsig.org/web/projects/gvsig-desktop/docs/devel/org-gvsig-sensors/1-0.0/analysis-and-design/detailed-view/time-support/libraries/org-gvsig-timesupport-lib

Method Summary

Modifier and Type	Method and Description
boolean	contains(Instant instant) Does this time interval contain the specified time instant.
Instant	getEnd() Gets the end of this time interval, which is exclusive, as an Instant.
Instant	getStart() Gets the start of this time interval, which is inclusive, as an Instant.
Duration	toStandardDuration() Gets the duration of the interval.

Methods inherited from interface org.gvsig.timesupport.Time

getChronology, intersects, isAbsolute, isInstant, isInterval, isRelative

Method Detail

contains

boolean contains(Instant instant)

Does this time interval contain the specified time instant.

Parameters:

instant - the time instant to compare to, null means now

Returns:

true if this time interval contains the time instant

getStart

Instant getStart()

Gets the start of this time interval, which is inclusive, as an Instant.

Returns:

the start of the time interval

getEnd

Instant getEnd()

Gets the end of this time interval, which is exclusive, as an Instant.

Returns:

the end of the time interval

toStandardDuration

Duration toStandardDuration()

Gets the duration of the interval. If the interval is relative, it returns the exact duration. It the interval is relative, it returns a duration assuming a 365 days year, 12 months year, 30 days month, 7 day week, 24 hour day, 60 minute hour, 60 second minute and 1000 millis second.

Returns:

a duration equivalent to this interval