That won't help with mutable types, since modifying them will not use the
setter method.
- hugi
On 8.9.2014, at 12:58, Mike Kienenberger <mkien...@gmail.com> wrote:
> I think it would be difficult to enforce, even if we wanted to
> disallow it, since any non-primitive could be mutable.
>
> What I might do is to change my templates so that certain types, like
> Date and byte[], are automatically cloned in the setter methods,
> though.
>
>
> On Mon, Sep 8, 2014 at 8:54 AM, Michael Gentry <mgen...@masslight.net> wrote:
>> I think everyone is getting wrapped up around Dates. My general question
>> was about mutable types.
>>
>> byte[] data = { 1, 2, 3, 4 };
>> person.setData(data);
>> data[0] = 5;
>> for (int i = 0; i < person.getData().length; i++)
>> System.out.println("Data[" + i + "] = " + person.getData()[i]);
>>
>> Data[0] = 5
>>
>> Data[1] = 2
>>
>> Data[2] = 3
>>
>> Data[3] = 4
>>
>> Again, modifying the original value changes what is stored internally by
>> Cayenne.
>>
>> Thanks,
>>
>> mrg
>>
>>
>> On Mon, Sep 8, 2014 at 3:39 AM, Aristedes Maniatis <a...@maniatis.org> wrote:
>>
>>> And https://github.com/ThreeTen/threetenbp for Java 6/7 users.
>>>
>>> Ari
>>>
>>>
>>> On 8/09/2014 4:42pm, Andrus Adamchik wrote:
>>>> 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 <johnth...@gmail.com> wrote:
>>>>
>>>>> Sure, use Joda time.
>>>>> On Sep 6, 2014 8:15 PM, "Michael Gentry" <mgen...@masslight.net> wrote:
>>>>>
>>>>>> Is that a realistic option?
>>>>>>
>>>>>>
>>>>>> On Sat, Sep 6, 2014 at 6:55 PM, John Huss <johnth...@gmail.com> wrote:
>>>>>>
>>>>>>> My thoughts are: don't use Date.
>>>>>>> On Sep 6, 2014 4:58 PM, "Michael Gentry" <mgen...@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
>>>>>>>>
>>>>>>>
>>>>>>
>>>>
>>>
>>> --
>>> -------------------------->
>>> Aristedes Maniatis
>>> GPG fingerprint CBFB 84B4 738D 4E87 5E5C 5EFA EF6A 7D2E 3E49 102A
>>>
