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Subject: Re: Copy/Clone Mutable Objects?
From: Andrus Adamchik <andrus@objectstyle.org>
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Date: Mon, 8 Sep 2014 09:42:13 +0300
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To: dev@cayenne.apache.org

Also Java 8 Date and Time if Java 8 is an option:

http://www.oracle.com/technetwork/articles/java/jf14-date-time-2125367.html

Andrus

On Sep 8, 2014, at 4:17 AM, John Huss <johnthuss@gmail.com> wrote:

> Sure, use Joda time.
> On Sep 6, 2014 8:15 PM, "Michael Gentry" <mgentry@masslight.net> wrote:
> 
>> Is that a realistic option?
>> 
>> 
>> On Sat, Sep 6, 2014 at 6:55 PM, John Huss <johnthuss@gmail.com> wrote:
>> 
>>> My thoughts are: don't use Date.
>>> On Sep 6, 2014 4:58 PM, "Michael Gentry" <mgentry@masslight.net> wrote:
>>> 
>>>> Should Cayenne copy/clone mutable objects, such as Date?
>>>> 
>>>> For example, if I modify a date after setting it in a Cayenne object
>>>> (person), it modifies the value stored by Cayenne:
>>>> 
>>>>  SimpleDateFormat timeFormat = new SimpleDateFormat ("yyyy-MM-dd");
>>>>  Date d1 = timeFormat.parse("2014-02-01");
>>>>  person.setStartDate(d1);
>>>>  d1.setYear(2013 - 1900); // Date hackery
>>>>  System.out.println("Start Date = " + person.getStartDate());
>>>> 
>>>> This outputs:
>>>> 
>>>> Start Date = Fri Feb 01 00:00:00 EST 2013
>>>> 
>>>> I've never actually experienced an issue with Cayenne not copying a
>>>> Date/etc, but was wondering your thoughts on this.
>>>> 
>>>> Thanks,
>>>> 
>>>> mrg
>>>> 
>>> 
>>