"
COPYRIGHT (c) 2011 by eXept Software AG
All Rights Reserved
This software is furnished under a license and may be used
only in accordance with the terms of that license and with the
inclusion of the above copyright notice. This software may not
be provided or otherwise made available to, or used by, any
other person. No title to or ownership of the software is
hereby transferred.
"
"{ Package: 'stx:libbasic' }"
Timestamp subclass:#UtcTimestamp
instanceVariableNames:''
classVariableNames:''
poolDictionaries:''
category:'Magnitude-Time'
!
!UtcTimestamp class methodsFor:'documentation'!
copyright
"
COPYRIGHT (c) 2011 by eXept Software AG
All Rights Reserved
This software is furnished under a license and may be used
only in accordance with the terms of that license and with the
inclusion of the above copyright notice. This software may not
be provided or otherwise made available to, or used by, any
other person. No title to or ownership of the software is
hereby transferred.
"
!
documentation
"
This is a Timestamp, that represents itself as UTC.
Internally it stores exactly the same value as Timestamp,
so the following expression is always true:
someTimestamp asUtcTimestamp = someTimestamp asLocalTimestamp
But when printing, accessing hour, minute, ... and converting to Date and Time,
it returns the values represented in the UTC zone instead of the local timezone.
[author:]
Stefan Vogel (stefan@zwerg.nil.exept.de)
[instance variables:]
[class variables:]
[see also:]
Time Date
"
! !
!UtcTimestamp methodsFor:'accessing'!
timeInfo
^ self utcTimeInfo
!
timeZoneName
^ 'UTC'
!
utcOffset
^ 0
!
utcOffsetWithoutDst
^ 0
! !
!UtcTimestamp methodsFor:'converting'!
asLocalTimestamp
"represent myself as a timestamp in the local timezone"
^ Timestamp fromOSTime:osTime
!
asUtcTimestamp
"I am an UtcTimestamp"
^ self
! !
!UtcTimestamp methodsFor:'initialization'!
setOSTimeFromYear:y month:m day:d hour:h minute:min second:s millisecond:millis
"private: ask the operating system to compute the internal osTime (based on the epoch),
given y,m,d and h,m,s in utc time"
self setOSTimeFromUTCYear:y month:m day:d hour:h minute:min second:s millisecond:millis
"
UtcTimestamp now
Timestamp now
Timestamp now asTZTimestamp
Timestamp now asUtcTimestamp
"
"Modified (comment): / 13-10-2011 / 22:05:41 / cg"
! !
!UtcTimestamp methodsFor:'private'!
storeStringClass
^ Timestamp
! !
!UtcTimestamp methodsFor:'testing'!
isLocalTimestamp
"return true, if I am a local timestamp"
^ false
!
isUtcTimestamp
"return true, if I am a utc timestamp"
^ true
! !
!UtcTimestamp methodsFor:'visiting'!
acceptVisitor:aVisitor with:aParameter
"dispatch for visitor pattern; send #visitUtcTimestamp:with: to aVisitor."
^ aVisitor visitUtcTimestamp:self with:aParameter
! !
!UtcTimestamp class methodsFor:'documentation'!
version
^ '$Header: /cvs/stx/stx/libbasic/UtcTimestamp.st,v 1.14 2014-11-13 12:56:05 ca Exp $'
!
version_CVS
^ '$Header: /cvs/stx/stx/libbasic/UtcTimestamp.st,v 1.14 2014-11-13 12:56:05 ca Exp $'
! !