OSID - osid.calendaring.Duration Service Interface Definition

Interface	osid.calendaring.Duration
Implements	`osid.OsidPrimitive`
Used By	`osid.Metadata`
	`osid.OsidEffectuator`
	`osid.assessment.AssessmentOffered`
	`osid.assessment.AssessmentSection`
	`osid.assessment.AssessmentTaken`
	`osid.assessment.authoring.AssessmentPart`
	`osid.billing.Item`
	`osid.calendaring.DurationList`
	`osid.calendaring.Event`
	`osid.calendaring.OffsetEvent`
	show 31 more…
`osid.calendaring.Schedule`
`osid.calendaring.ScheduleSlot`
`osid.configuration.Value`
`osid.control.Action`
`osid.control.Setting`
`osid.course.Activity`
`osid.course.ActivityUnit`
`osid.course.plan.Lesson`
`osid.course.plan.LessonAnchor`
`osid.course.program.Credential`
`osid.course.requisite.AssessmentRequirement`
`osid.course.requisite.AwardRequirement`
`osid.course.requisite.CourseRequirement`
`osid.course.requisite.CredentialRequirement`
`osid.course.requisite.ProgramRequirement`
`osid.course.syllabus.Docet`
`osid.locale.CalendarFormattingSession`
`osid.mapping.route.Route`
`osid.mapping.route.RouteProgress`
`osid.mapping.route.RouteSegment`
`osid.ordering.Price`
`osid.personnel.Position`
`osid.provisioning.Provision`
`osid.provisioning.Queue`
`osid.provisioning.Request`
`osid.provisioning.rules.BrokerProcessor`
`osid.recipe.Direction`
`osid.recipe.Recipe`
`osid.resourcing.Effort`
`osid.search.terms.DurationRangeTerm`
`osid.search.terms.DurationTerm`
Description	The `Duration` a length of time. While a `DateTime` represents a point on a calendar and a tick on a clock, a `Duration` represents a measurement. Each of these methods returns the total absolute measurement in the specified units.
Method	getCalendarType
Description	Gets the calendar type.
Return	`osid.type.Type`	the calendar type
Compliance	`mandatory`	This method must be implemented.
Method	getTimeType
Description	Gets the time type.
Return	`osid.type.Type`	the time type
Compliance	`mandatory`	This method must be implemented.
Method	getAeons
Description	Gets the number of aeons. An aeon is 1B years.
Return	`decimal`	the number of aeons
Compliance	`mandatory`	This method must be implemented.
Method	getEpochs
Description	Gets the number of epochs. An epoch is 1M years.
Return	`decimal`	the number of epochs
Compliance	`mandatory`	This method must be implemented.
Method	getMillennia
Description	Gets the number of millennia. A millennium is 1,000 years.
Return	`decimal`	the number of millennia
Compliance	`mandatory`	This method must be implemented.
Method	getCenturies
Description	Gets the number of centuries.
Return	`decimal`	the number of centuries
Compliance	`mandatory`	This method must be implemented.
Method	getScores
Description	Gets the number of scores.
Return	`decimal`	the number of scores
Compliance	`mandatory`	This method must be implemented.
Method	getBluemoons
Description	Gets the number of blue moons.
Return	`decimal`	the number of blue moons
Compliance	`mandatory`	This method must be implemented.
Method	getYears
Description	Gets the number of years.
Return	`decimal`	the number of years
Compliance	`mandatory`	This method must be implemented.
Method	getMonths
Description	Gets the number of months.
Return	`decimal`	the number of months
Compliance	`mandatory`	This method must be implemented.
Method	getWeeks
Description	Gets the number of weeks.
Return	`decimal`	the number of weeks
Compliance	`mandatory`	This method must be implemented.
Method	getDays
Description	Gets the number of days.
Return	`decimal`	the number of days
Compliance	`mandatory`	This method must be implemented.
Method	getHours
Description	Gets the number of hours.
Return	`decimal`	the number of hours
Compliance	`mandatory`	This method must be implemented.
Method	getMinutes
Description	Gets the number of minutes.
Return	`decimal`	the number of minutes
Compliance	`mandatory`	This method must be implemented.
Method	getSeconds
Description	Gets the number of seconds.
Return	`decimal`	the number of seconds
Compliance	`mandatory`	This method must be implemented.
Method	getMilliseconds
Description	Gets the number of milliseconds. A millisecond is one thousandth (1e-3) of a second.
Return	`decimal`	the number of milliseconds
Compliance	`mandatory`	This method must be implemented.
Method	getMicroseconds
Description	Gets the number of microseconds. A microsecond is one millionth (1e-6) of a second.
Return	`decimal`	the number of micrseconds
Compliance	`mandatory`	This method must be implemented.
Method	getNanoseconds
Description	Gets the number of nanoseconds. A nanosecond is one billionth (1e-9) of a second.
Return	`decimal`	the number of nanoseconds
Compliance	`mandatory`	This method must be implemented.
Method	getPicoseconds
Description	Gets the number of picoseconds. A picosecond is one trillionth (1e-12) of a second.
Return	`decimal`	the number of picoseconds
Compliance	`mandatory`	This method must be implemented.
Method	getFemtoseconds
Description	Gets the number of femtoseconds. A femtosecond is one quadrillionth (1e-15) of a second.
Return	`decimal`	the number of femtoseconds
Compliance	`mandatory`	This method must be implemented.
Method	getAttoseconds
Description	Gets the number of attoseconds. An attosecond is one quintillionth (1e-18) of a second.
Return	`decimal`	the number of attoseconds
Compliance	`mandatory`	This method must be implemented.
Method	getZeptoseconds
Description	Gets the number of zeptoseconds. A zeptosecond is one sextillionth (1e-21) of a second.
Return	`decimal`	the number of zeptoseconds
Compliance	`mandatory`	This method must be implemented.
Method	getYoctoseconds
Description	Gets the number of yoctoseconds. A yoctosecond is one septillionth (1e-24) of a second. This is getting quite small.
Return	`decimal`	the number of yoctoseconds
Compliance	`mandatory`	This method must be implemented.
Method	getRontoseconds
Description	Gets the number of rontoseconds. A rontoosecond is one octillionth (1e-27) of a second.
Return	`decimal`	the number of rontoseconds
Compliance	`mandatory`	This method must be implemented.
Method	getQuectoseconds
Description	Gets the number of quectoseconds. A quectosecond is one nonillionth (1e-30) of a second.
Return	`decimal`	the number of quectoseconds
Compliance	`mandatory`	This method must be implemented.
Method	getMilliquectoseconds
Description	Gets the number of milliquectoseconds. A milliquectosecond is one decillionth (1e-33) of a second.
Return	`decimal`	the number of milliquectoseconds
Compliance	`mandatory`	This method must be implemented.
Method	getMicroquectoseconds
Description	Gets the number of microquectoseconds. A microquectosecond is one undecillionth (1e-36) of a second.
Return	`decimal`	the number of microquectoseconds
Compliance	`mandatory`	This method must be implemented.
Method	getPlanckseconds
Description	Gets the number of plancksseconds. A plancksecond is 53.91247 quattuordecillionths (5.391247e-44) of a second.
Return	`decimal`	the number of planckseconds
Compliance	`mandatory`	This method must be implemented.
Method	getGranularity
Description	Gets the granularity of this duration. The granularity indicates the resolution of the clock (the tick). More precision than what is specified in this method cannot be inferred from the available data.
Return	`osid.calendaring.DateTimeResolution`	the time units
Compliance	`mandatory`	This method must be implemented.
Method	getGranularityMultiplier
Description	If the granularity of the time equals `getGranularity()`, then the multiplier is 1. This method may return a different number when the granularity differs from one of the defined resolutions.
Return	`cardinal`	granularity multiplier
Compliance	`mandatory`	This method must be implemented.
Method	definesUncertainty
Description	Tests if uncertainty is defined for this time.
Return	`boolean`	`true` if uncertainty is defined, `false` otherwise
Compliance	`mandatory`	This method must be implemented.
Method	getUncertaintyUnits
Description	Gets the units of the uncertainty.
Return	`osid.calendaring.DateTimeResolution`	units of the uncertainty
Errors	ILLEGAL_STATE	`definesUncertainty()` is `false`
Compliance	`mandatory`	This method must be implemented.
Method	getUncertaintyMinus
Description	Gets the uncertainty of this time in the negative direction.
Return	`cardinal`	the uncertainty under this value
Errors	ILLEGAL_STATE	`definesUncertainty()` is `false`
Compliance	`mandatory`	This method must be implemented.
Method	getUncertaintyPlus
Description	Gets the uncertainty of this time in the positive direction.
Return	`cardinal`	the uncertainty over this value
Errors	ILLEGAL_STATE	`definesUncertainty()` is `false`
Compliance	`mandatory`	This method must be implemented.