On Friday, July 12, 2013 10:43:19 AM UTC+2, Bhumika Thaker wrote:
>
> Hi,
>
> I want to implement* audit mechanism* for some entity of hibernate. Those
> entities are in shared package. That mean it will accessible for client and
> server both package.
> I am doing below steps to achieve audit feature:
>
> ->Entity has one variable which hold clone copy of itself
> Just example:
>
> class Data implements Cloneable
> {
> Data oldData;
>
> public Data getOldDataCopy() {
> return oldDataCopy;
> }
>
> public void setOldDataCopy() {
> try {
> this.oldDataCopy = (Data) this.clone(); // This will clone this object
> when I ferxg
> } catch (CloneNotSupportedException e) {
> e.printStackTrace();
> }
> }
>
> }
>
>
> So while any *changes made in object then original copy remained as
> original stage. *
> It throw exception like
>
> [TRACE] [v4workflow] - Finding entry point classes
> [ERROR] [v4workflow] - Errors in
> 'file:/E:/workspace/V4Common_V17/src/com/v4common/shared/beans/workflowengine/Data/Data.java'
> [ERROR] [v4workflow] - Line 612: The method clone() is undefined for the
> type Data
> [ERROR] [v4workflow] - Line 613: No source code is available for type
> java.lang.CloneNotSupportedException; did you forget to inherit a required
> module?
> [ERROR] [v4workflow] - Unable to find type
> 'com.nextenders.client.WorkFlowEntryPoint'
> [ERROR] [v4workflow] - Hint: Previous compiler errors may have made this
> type unavailable
> [ERROR] [v4workflow] - Hint: Check the inheritance chain from your module;
> it may not be inheriting a required module or a module may not be adding
> its source path entries properly
> [ERROR] [v4workflow] - Failed to load module 'v4workflow' from user agent
> 'Mozilla/5.0 (Windows NT 6.1; WOW64; rv:5.0) Gecko/20100101 Firefox/5.0' at
> pwd.mp.etenders.in:54479
>
> but As I goggled then came to know that clone does not support with GWT.
> *So is there any alternative other then clone?*
>
No (some people used hacks in JSNI, but it's rather fragile; search in the
issue tracker)
> *should I have to make copy of each property manually?*
>
Yes.
FYI, java/lang/Object#clone() isn't in any released version of GWT, but
it's under review: https://gwt-review.googlesource.com/3616 It's not the
same clone() as in the JVM though, it always throws
CloneNotSupportedException (which means that class will be emulated)
--
You received this message because you are subscribed to the Google Groups
"Google Web Toolkit" group.
To unsubscribe from this group and stop receiving emails from it, send an email
to [email protected].
To post to this group, send email to [email protected].
Visit this group at http://groups.google.com/group/google-web-toolkit.
For more options, visit https://groups.google.com/groups/opt_out.
