Re: Wicket GAE performance
Hello, i'm working with GAE too, may i clarify something?
Transaction tx = pm.currentTransaction();
This is a transaction of every session?
If no, how may i handle this situation:
When one user is accessing a page i must return data from one entity from
the datastore, then close it from returning to any other users. What can be
done here?
-- Tony.
On Mon, Apr 5, 2010 at 12:08 AM, Ian Marshall wrote:
>
> I have a static initialisation method and two static data members as
> follows:
>
> public class DataExchange
> {
>private static final Object objLockPMF = new Object();
>private static volatile PersistenceManagerFactory g_pmf = null;
>
>/**
> * If this class's static singleton
> PersistenceManagerFactory
> * is null, then construct it in a synchronised block of
> code.
> * @return
> * This class's static singleton
> PersistenceManagerFactory.
> */
>public static PersistenceManagerFactory getPersistenceManagerFactory()
>{
> if (g_pmf == null)
>synchronized(objLockPMF)
>{
> if (g_pmf == null)
> {
>loadProperties();// My method which loads the string
> g_sDatabaseMode
>g_pmf = JDOHelper.getPersistenceManagerFactory(g_sDatabaseMode);
> }
>}
>
> return g_pmf;
>}
> }
>
>
> I then call the above static method when my Wicket application initiates by
> creating a queued task which calls this method fairly immediately but
> asynchronously. I ensure that my home page performs no data exchange, so
> creating the PMF does not delay the showing of the first page.
>
> I also call the above static method at the start of every data exchange.
> There will be nothing to construct unless the queued task has not yet
> finished or GAE has shut the relevant Wicket application instance down. For
> example (which will not be a surprise) when using a transaction:
>
> PersistenceManager pm =
> DataExchange.getPersistenceManagerFactory().getPersistenceManager();
> Transaction tx = pm.currentTransaction();
>
> try
> {
>tx.begin();
>
>//
>// Persistence code
>//
>
>tx.commit();
> }
> finally
> {
>try
>{
> if (tx.isActive())// Because of an exception, say
>tx.rollback();
>}
>finally
>{
> pm.close();
>}
> }
>
>
> Enjoy,
>
> Ian
>
>
>
> intmanch wrote:
> >
> > Hi Ian,
> >
> > Thanks a lot for your response. I use as you PMF, not JPA, that's quite
> > simple and easy to use. Can you give me more details (code snippet) about
> > the initialization of the PMF? Is there any other point to take into
> > consideration for the performance?
> >
> --
> View this message in context:
> http://old.nabble.com/Wicket-GAE-performance-tp28118591p28133464.html
> Sent from the Wicket - User mailing list archive at Nabble.com.
>
>
> -
> To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
> For additional commands, e-mail: users-h...@wicket.apache.org
>
>
SOLVED: handling Wicket response
It was silly error in JavaScript. Wicket page embeds into div like a charm
this way.
The correct JS:
function doSomeRequest(servletName){
var servlet =
servletName+document.attributeform.username.value;//the name
(URI) of your servlet
var req = servlet;
//compiling the request
var request =
addrequest(req);
//calls the addrequest function
request.onreadystatechange =
function(){//this is
used to listen for changes in the request's status
if (request.readyState == 4) {
if (request.status == 200) {
document.getElementById('test').innerHTML =
request.responseText;
}
}
}
}
function addrequest(req) {
var request;
try { //create a request for
netscape, mozilla, opera, etc.
request = new XMLHttpRequest();
}catch (e) {
try { //create a request for
internet explorer
request = new ActiveXObject("Microsoft.XMLHTTP");
}catch (e) { //do some error-handling
alert("XMLHttpRequest error: " + e);
}
}
request.open("GET", req, true); //prepare the request
request.send(null); //send it
return request; //return the request
}
Re: Any "mature" work on integrating Hibernate Validator with Wicket?
Found another related work. http://42lines.net/content/integrating-hibernate-validator-and-wicket Any comment or pointers regarding relatively "mature" work in this regard? Regards. --- On Sat, 4/3/10, David Chang wrote: > From: David Chang > Subject: Any "mature" work on integrating Hibernate Validator with Wicket? > To: users@wicket.apache.org > Date: Saturday, April 3, 2010, 1:45 PM > > Is there any "mature" work on integrating Hibernate > Validator with Wicket? > > I am unable to find any at wicketstuff. Googled and found > this work is interesting. > > http://carinae.net/tag/hibernate-validator/ > > Any pointers? > > Any comment? > > Thanks and Happy Easter! > > > > > - > To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org > For additional commands, e-mail: users-h...@wicket.apache.org > > - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Re: Click link
Sorry, I didn't notice the part where you're looking for the enter key to be pressed. I thought you were just looking to do the callback on any key press. You might want to override getPreconditionScript() to check for that key code, though. That might be a bit cleaner and a bit less brittle. On Sun, Apr 4, 2010 at 8:11 PM, Mathias Nilsson wrote: > > What is your suggestion? > -- > View this message in context: > http://old.nabble.com/Click-link-tp28127635p28133755.html > Sent from the Wicket - User mailing list archive at Nabble.com. > > > - > To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org > For additional commands, e-mail: users-h...@wicket.apache.org > > - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Re: Click link
What is your suggestion? -- View this message in context: http://old.nabble.com/Click-link-tp28127635p28133755.html Sent from the Wicket - User mailing list archive at Nabble.com. - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Re: DynamicWizards and Forms
If you can recreate it in a quickstart, you can send it to the list and we can get a better idea of what you mean. -- Jeremy Thomerson http://www.wickettraining.com On Sun, Apr 4, 2010 at 5:41 AM, Sumit Raja wrote: > Yes but they don't cover the scenario where the new wizard step is > submitted even before it is displayed. > > Investigated this a bit further and it seems that the delegation by the > model to the actual wizard step does not happen in the correct order. I'll > try and recreate this with a very simple dynamic wizard and work from there. > > > On 2 Apr 2010, at 18:36, Jeremy Thomerson wrote: > > > have you looked at the wizard examples in the wicket-examples package? > > http://www.wicket-library.com/wicket-examples/ > > > > -- > > Jeremy Thomerson > > http://www.wickettraining.com > > > > > > > > On Thu, Apr 1, 2010 at 8:49 AM, Sumit Raja wrote: > > > >> Hello, > >> I am trying to get a dynamic wizard to work with a series of forms. I > >> have the following flow: > >> (1) Select document type -> (2) if document type has embedded audio > >> provide an upload form otherwise skip -> (3) Document editing form. > >> > >> In next() of step 1 I am creating a new Panel with a form of either > >> upload or of document editing based on doc type. The odd thing is that > >> the submit on the form for step 2/3 seems to get called when next is > >> clicked on (1) but before the step (2 or 3) is displayed. > >> > >> Looking through the code the if appears that the next() method gets > >> called before the actual form processing is performed meaning that the > >> form on the next step gets processed as well as the last step. In > >> delegateSubmit(), formToProcess.visitChildren seems to be the actual > >> place that the next step from gets submitted, before the previous step > >> processing is complete. > >> > >> What is the correct way to structure a Dynamic wizard when each step > >> has nested forms to prevent the visitor submitting the form on the > >> next step as well? > >> > >> Thanks > >> > >> Sumit > >> > >> - > >> To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org > >> For additional commands, e-mail: users-h...@wicket.apache.org > >> > >> > > > - > To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org > For additional commands, e-mail: users-h...@wicket.apache.org > >
Re: Image Upload Using TinyMCE Within Wicket Framework
Looks very helpful on first sight. maybe it would make sense to release the used code in the form of a wicketstuff project, for better accessability for developers. I wrote an article for following topic: "Image upload using TinyMce within Wicket Framework" Article is based on functionality which i wrote to my project. I wrote it since during investigation i saw high demand for such fuctionality. I hope it will be helpful :) Any comments are welcome :) http://java.dzone.com/articles/image-upload-using-tinymce - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Wicket GAE performance
I have a static initialisation method and two static data members as follows:
public class DataExchange
{
private static final Object objLockPMF = new Object();
private static volatile PersistenceManagerFactory g_pmf = null;
/**
* If this class's static singleton
PersistenceManagerFactory
* is null, then construct it in a synchronised block of
code.
* @return
* This class's static singleton
PersistenceManagerFactory.
*/
public static PersistenceManagerFactory getPersistenceManagerFactory()
{
if (g_pmf == null)
synchronized(objLockPMF)
{
if (g_pmf == null)
{
loadProperties();// My method which loads the string
g_sDatabaseMode
g_pmf = JDOHelper.getPersistenceManagerFactory(g_sDatabaseMode);
}
}
return g_pmf;
}
}
I then call the above static method when my Wicket application initiates by
creating a queued task which calls this method fairly immediately but
asynchronously. I ensure that my home page performs no data exchange, so
creating the PMF does not delay the showing of the first page.
I also call the above static method at the start of every data exchange.
There will be nothing to construct unless the queued task has not yet
finished or GAE has shut the relevant Wicket application instance down. For
example (which will not be a surprise) when using a transaction:
PersistenceManager pm =
DataExchange.getPersistenceManagerFactory().getPersistenceManager();
Transaction tx = pm.currentTransaction();
try
{
tx.begin();
//
// Persistence code
//
tx.commit();
}
finally
{
try
{
if (tx.isActive())// Because of an exception, say
tx.rollback();
}
finally
{
pm.close();
}
}
Enjoy,
Ian
intmanch wrote:
>
> Hi Ian,
>
> Thanks a lot for your response. I use as you PMF, not JPA, that's quite
> simple and easy to use. Can you give me more details (code snippet) about
> the initialization of the PMF? Is there any other point to take into
> consideration for the performance?
>
--
View this message in context:
http://old.nabble.com/Wicket-GAE-performance-tp28118591p28133464.html
Sent from the Wicket - User mailing list archive at Nabble.com.
-
To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org
For additional commands, e-mail: users-h...@wicket.apache.org
Re: Click link
For this, why are you having to write your own JavaScript? On Sun, Apr 4, 2010 at 6:00 AM, Mathias Nilsson wrote: > > I solved it. I needed to set return false; in the javascript to get it to > work in all browsers. > > > -- > View this message in context: > http://old.nabble.com/Click-link-tp28127635p28132265.html > Sent from the Wicket - User mailing list archive at Nabble.com. > > > - > To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org > For additional commands, e-mail: users-h...@wicket.apache.org > > - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Re: DynamicWizards and Forms
Yes but they don't cover the scenario where the new wizard step is submitted even before it is displayed. Investigated this a bit further and it seems that the delegation by the model to the actual wizard step does not happen in the correct order. I'll try and recreate this with a very simple dynamic wizard and work from there. On 2 Apr 2010, at 18:36, Jeremy Thomerson wrote: > have you looked at the wizard examples in the wicket-examples package? > http://www.wicket-library.com/wicket-examples/ > > -- > Jeremy Thomerson > http://www.wickettraining.com > > > > On Thu, Apr 1, 2010 at 8:49 AM, Sumit Raja wrote: > >> Hello, >> I am trying to get a dynamic wizard to work with a series of forms. I >> have the following flow: >> (1) Select document type -> (2) if document type has embedded audio >> provide an upload form otherwise skip -> (3) Document editing form. >> >> In next() of step 1 I am creating a new Panel with a form of either >> upload or of document editing based on doc type. The odd thing is that >> the submit on the form for step 2/3 seems to get called when next is >> clicked on (1) but before the step (2 or 3) is displayed. >> >> Looking through the code the if appears that the next() method gets >> called before the actual form processing is performed meaning that the >> form on the next step gets processed as well as the last step. In >> delegateSubmit(), formToProcess.visitChildren seems to be the actual >> place that the next step from gets submitted, before the previous step >> processing is complete. >> >> What is the correct way to structure a Dynamic wizard when each step >> has nested forms to prevent the visitor submitting the form on the >> next step as well? >> >> Thanks >> >> Sumit >> >> - >> To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org >> For additional commands, e-mail: users-h...@wicket.apache.org >> >> - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
Re: Click link
I solved it. I needed to set return false; in the javascript to get it to work in all browsers. -- View this message in context: http://old.nabble.com/Click-link-tp28127635p28132265.html Sent from the Wicket - User mailing list archive at Nabble.com. - To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
handling Wicket response
Dear All,
How to insert Wicket response into div tag on the page served outside of
Wickets.
This static page looks as follows:
var request;
function doSomeRequest(servletName){
var servlet = servletName;//the name (URI) of your
servlet
var req = servlet; //compiling the request
addrequest(req); //calls the addrequest
function
//request.onreadystatechange = function(){ //this is used to listen for
changes in the request's status
//document.getElementById('test').innerHTML = req.responseText;
//}
if (req.readyState == 4) {
document.getElementById('test').innerHTML = req.responseText;
}
else
alert("loading "+req.statusText);
}
function addrequest(req) {
try { //create a request for
netscape, mozilla, opera, etc.
request = new XMLHttpRequest();
}catch (e) {
try { //create a request for
internet explorer
request = new ActiveXObject("Microsoft.XMLHTTP");
}catch (e) { //do some error-handling
alert("XMLHttpRequest error: " + e);
}
}
request.open("GET", req, true); //prepare the request
request.send(null); //send it
return request; //return the request
}
http://localhost:8080/?wicket:bookmarkablePage=:wicketqs.Page1&username=John'
)">
Page1.java:
public class Page1 extends WebPage {
public Page1(final PageParameters parameters) {
add(new Label("message1", "User name is
"+parameters.getString("username")));
}
}
Page1.html:
http://wicket.apache.org/dtds.data/wicket-xhtml1.4-strict.dtd"; >
Homepage
message will be here
Thank you very much in advance
Alex
