All,
I am trying to understand page serialization/deserialization a bit
better, so I create a Quickstart project and started tinkering. I
modified the HomePage class as follows:
public class HomePage extends WebPage implements Externalizable
{
private static final Logger log = LoggerFactory.getLogger(HomePage.class);
private static final long serialVersionUID = 1L;
private int counter;
public HomePage(final PageParameters parameters)
{
add(new Label("message", new Model()
{
public Object getObject()
{
return "I've been called " + counter++ + " times.";
}
} ) );
add(new Link("refresh")
{
public void onClick()
{
log.info("My id is " + System.identityHashCode(HomePage.this));
}
} );
}
public void writeExternal(ObjectOutput out) throws IOException
{
log.info("I'm being serialized!");
}
public void readExternal(ObjectInput in) throws IOException,
ClassNotFoundException
{
log.info("I'm being deserialized!");
}
}
And, my html template is as follows:
<html>
<head>
<title>Wicket Quickstart Archetype Homepage</title>
</head>
<body>
<strong>Wicket Quickstart Archetype Homepage</strong>
<br/><br/>
<span wicket:id="message">message will be here</span>
<p>
Click <a href="." wicket:id="refresh">here</a> to refresh!
</p>
</body>
</html>
Maybe I'm just not understanding this correctly (entire possible), but
here's what I tried:
1. Load the home page.
2. Click the "refresh" link
3. Hit the back button
4. Click the "refresh" link again
Now, every time I do that, it updates the "counter" variable every
time I click the "refresh" link. When I hit the back button after the
link is clicked, the link points to
"http://localhost:8080/?wicket:interface=:1:refresh::ILinkListener::";.
I would assume that when I clicked the refresh link after doing the
back button that the counter wouldn't update (it'd be 1). Also, the
"I'm being deserialized" is never called. Am I misunderstanding?
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