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From: Gerald Wiltse <jerrywiltse@gmail.com>
Date: Mon, 9 May 2016 19:29:16 -0400
Message-ID: <CAML1RCBUguoZ9OFuOquyBfmX=O5Vmz=p0K1jy=2T5abBz7==bA@mail.gmail.com>
Subject: Re: Requesting Advice for Groovy Approach for Unique Date Conversions
To: users@groovy.apache.org
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archived-at: Mon, 09 May 2016 23:29:49 -0000

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Also, something else just occurred to me which might be relevant. Another
option might be to create a JDE Calendar or JDE Date class which extends or
implements date or calendar classes/interfaces. My first instinct was to
convert dates into Date Objects and strings based on Gregorian calendar on
their way in and out of the database (because that's what I'm somewhat
familiar with).  However, might it be more natural to write classes that
let me handle them in their native form without converting?  Maybe thats a
more complicated endeavor.

Gerald R. Wiltse
jerrywiltse@gmail.com


On Mon, May 9, 2016 at 7:04 PM, Gerald Wiltse <jerrywiltse@gmail.com> wrote:

> All,
>
> In summary, I would like any advice people can offer on how to approach
> the task below, using the Groovy ways of thinking.
>
> The topic at hand is a messy domain-specific problem working with dates in
> Oracle's ERP software called JD Edwards. It's gory detail is documented
> here:
>
>
> http://stackoverflow.com/questions/1171208/what-is-the-precise-definition-of-jdes-julian-date-format
>
>
> I wish to write my own solution in Groovy.  A flexible swiss-army-knife
> type package which lets me pass JDE and Gregorian dates and times (as
> strings) in and out and define what I get back.  I am not looking for code,
> but help escaping the procedural mindset.   The one senior Java programmer
> just see's this as a few Static Methods.  I want to know what Groovy
> developers see.
>
> I'm guessing some combination of closures.  Perhaps factory pattern, which
> I've never used? Does this sound like a "Functional programming" scenario,
> where functional approach might be a good fit?
> I want to start off on the best foot possible, but don't have the
> intuition of high-level groovy thinking yet.
>
> Gerald R. Wiltse
> jerrywiltse@gmail.com
>
>

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<div dir=3D"ltr">Also, something else just occurred to me which might be re=
levant. Another option might be to create a JDE Calendar or JDE Date class =
which extends or implements date or calendar classes/interfaces. My first i=
nstinct was to convert dates into Date Objects and strings based on Gregori=
an calendar on their way in and out of the database (because that&#39;s wha=
t I&#39;m somewhat familiar with).=C2=A0 However, might it be more natural =
to write classes that let me handle them in their native form without conve=
rting?=C2=A0 Maybe thats a more complicated endeavor.=C2=A0</div><div class=
=3D"gmail_extra"><br clear=3D"all"><div><div class=3D"gmail_signature"><div=
 dir=3D"ltr"><div><div dir=3D"ltr">Gerald R. Wiltse<br><a href=3D"mailto:je=
rrywiltse@gmail.com" target=3D"_blank">jerrywiltse@gmail.com</a><div><br></=
div></div></div></div></div></div>
<br><div class=3D"gmail_quote">On Mon, May 9, 2016 at 7:04 PM, Gerald Wilts=
e <span dir=3D"ltr">&lt;<a href=3D"mailto:jerrywiltse@gmail.com" target=3D"=
_blank">jerrywiltse@gmail.com</a>&gt;</span> wrote:<br><blockquote class=3D=
"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding=
-left:1ex"><div dir=3D"ltr"><div>All,=C2=A0</div><div><br></div><div>In sum=
mary, I would like any advice people can offer on how to approach the task =
below, using the Groovy ways of thinking.=C2=A0</div><div><br></div><div>Th=
e topic at hand is a messy domain-specific problem working with dates in Or=
acle&#39;s ERP software called JD Edwards. It&#39;s gory detail is document=
ed here:=C2=A0</div><div><br></div><blockquote style=3D"margin:0 0 0 40px;b=
order:none;padding:0px"><div><a href=3D"http://stackoverflow.com/questions/=
1171208/what-is-the-precise-definition-of-jdes-julian-date-format" target=
=3D"_blank">http://stackoverflow.com/questions/1171208/what-is-the-precise-=
definition-of-jdes-julian-date-format</a></div></blockquote><div><br></div>=
<div>I wish to write my own solution in Groovy.=C2=A0 A flexible swiss-army=
-knife type package which lets me pass JDE and Gregorian dates and times (a=
s strings) in and out and define what I get back.=C2=A0 I am not looking fo=
r code, but help escaping the procedural mindset. =C2=A0 The one senior Jav=
a programmer just see&#39;s this as a few Static Methods.=C2=A0 I want to k=
now what Groovy developers see.=C2=A0</div><div><br></div><div>I&#39;m gues=
sing some combination of closures.=C2=A0 Perhaps factory pattern, which I&#=
39;ve never used? Does this sound like a &quot;Functional programming&quot;=
 scenario, where functional approach might be a good fit? =C2=A0=C2=A0</div=
><div>I want to start off on the best foot possible, but don&#39;t have the=
 intuition of high-level groovy thinking yet.=C2=A0</div><br clear=3D"all">=
<div><div><div dir=3D"ltr"><div><div dir=3D"ltr">Gerald R. Wiltse<br><a hre=
f=3D"mailto:jerrywiltse@gmail.com" target=3D"_blank">jerrywiltse@gmail.com<=
/a><div><br></div></div></div></div></div></div>
</div>
</blockquote></div><br></div>

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