Page History

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Most web applications will need to have some data that is shared across multiple pages. Perhaps you are creating a multi-page wizard, or you have an object that tracks the user's identify once logged in, or maybe you need to manage a shopping cart.

Ordinary page-persistent fields won't work for this, since persistent fields are available only to a specific page, not shared across multiple pages.

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A field holding an SSO is marked with the @SessionState annotation.

{float:right}
{panel:background=#eee|title=Contents}
{toc:minLevel=2|maxLevel=4}
{panel}
{float}

public class MyPage
{
  @SessionState
  private ShoppingCart shoppingCart;
  
  . . .
}

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