zundel@google.com
3440d8ffbb
Patch by: regis Review by: jmesserly,zundel,srdjan See original review at: http://codereview.chromium.org/8931011/ BUG= TEST= Review URL: http://codereview.chromium.org//8989015 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@2629 260f80e4-7a28-3924-810f-c04153c831b5
67 lines
2.1 KiB
Dart
67 lines
2.1 KiB
Dart
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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// Dart core library.
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/**
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* A [Duration] represents a time span. A duration can be negative.
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*/
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interface Duration extends Comparable default DurationImplementation {
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/**
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* The duration is the sum of all individual parts. This means that individual
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* parts don't need to be less than the next-bigger unit. For example [hours]
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* is allowed to have a value greater than 23.
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*
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* All individual parts are allowed to be negative.
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* All arguments are by default 0.
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*/
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const Duration([int days, int hours, int minutes, int seconds,
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int milliseconds]);
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/**
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* Returns this [Duration] in days. Incomplete days are discarded.
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*/
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final int inDays;
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/**
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* Returns this [Duration] in hours. Incomplete hours are discarded.
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* The returned value can be greater than 23.
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*/
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final int inHours;
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/**
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* Returns this [Duration] in minutes. Incomplete minutes are discarded.
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* The returned value can be greater than 59.
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*/
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final int inMinutes;
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/**
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* Returns this [Duration] in seconds. Incomplete seconds are discarded.
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* The returned value can be greater than 59.
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*/
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final int inSeconds;
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/**
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* Returns this [Duration] in milliseconds.
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*/
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final int inMilliseconds;
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static final int MILLISECONDS_PER_SECOND = 1000;
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static final int SECONDS_PER_MINUTE = 60;
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static final int MINUTES_PER_HOUR = 60;
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static final int HOURS_PER_DAY = 24;
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static final int MILLISECONDS_PER_MINUTE =
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MILLISECONDS_PER_SECOND * SECONDS_PER_MINUTE;
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static final int MILLISECONDS_PER_HOUR =
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MILLISECONDS_PER_MINUTE * MINUTES_PER_HOUR;
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static final int MILLISECONDS_PER_DAY =
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MILLISECONDS_PER_HOUR * HOURS_PER_DAY;
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static final int SECONDS_PER_HOUR = SECONDS_PER_MINUTE * MINUTES_PER_HOUR;
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static final int SECONDS_PER_DAY = SECONDS_PER_HOUR * HOURS_PER_DAY;
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static final int MINUTES_PER_DAY = MINUTES_PER_HOUR * HOURS_PER_DAY;
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}
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