It's a way of persisting the product id into the link context.
Client side persistence to avoid using the sesssion.
That would be important for links on the detail page.
Cheers,
Nick.
Angelo Chen wrote:
Hi,
I tried the example under 'Render request only' in the following link, if I
remove the :
long onPassivate() { return _productId; }
still works, what's the use of it? thanks.
http://tapestry.apache.org/tapestry5/tapestry-core/guide/pagenav.html
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