Repository: wicket Updated Branches: refs/heads/master ff26ad8e4 -> c391af662
WICKET-6190 added lambda example where Link component is introduced. Project: http://git-wip-us.apache.org/repos/asf/wicket/repo Commit: http://git-wip-us.apache.org/repos/asf/wicket/commit/c391af66 Tree: http://git-wip-us.apache.org/repos/asf/wicket/tree/c391af66 Diff: http://git-wip-us.apache.org/repos/asf/wicket/diff/c391af66 Branch: refs/heads/master Commit: c391af662bd2d9633efc295e19dcf7291d9cdd89 Parents: ff26ad8 Author: Andrea Del Bene <[email protected]> Authored: Sat Jun 25 19:21:48 2016 +0200 Committer: Andrea Del Bene <[email protected]> Committed: Sat Jun 25 19:21:48 2016 +0200 ---------------------------------------------------------------------- .../src/docs/guide/helloWorld/helloWorld_4.gdoc | 12 ++++++++++++ 1 file changed, 12 insertions(+) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/wicket/blob/c391af66/wicket-user-guide/src/docs/guide/helloWorld/helloWorld_4.gdoc ---------------------------------------------------------------------- diff --git a/wicket-user-guide/src/docs/guide/helloWorld/helloWorld_4.gdoc b/wicket-user-guide/src/docs/guide/helloWorld/helloWorld_4.gdoc index 1eea3a1..f4c4dae 100644 --- a/wicket-user-guide/src/docs/guide/helloWorld/helloWorld_4.gdoc +++ b/wicket-user-guide/src/docs/guide/helloWorld/helloWorld_4.gdoc @@ -45,6 +45,18 @@ public void onClick() { The difference between using the first version of @setResponsePage@ rather than the second one will be illustrated in [chapter 8|guide:versioningCaching], when we will introduce the topic of stateful and stateless pages. For now, we can consider them as equivalent. +Like many other Wicket components, @Link@ is lambda-friendly and comes with a factory method called @onClick@ which leverages lambda expressions to specify handler method: + +{code} +public class HomePage extends WebPage { + public HomePage(){ + add(Link.onClick("id", () -> setResponsePage(AnotherPage.class)); + } +} +{code} + +The lambda expression is converted into a @org.apache.wicket.lambda.WicketConsumer@, which is basically a serializable version of @java.util.function.Consumer<T>@ (we will see later why we need it to be serializable). + Wicket comes with a rich set of link components suited for every need (links to static URL, Ajax-enhanced links, links to a file to download, links to external pages and so on). We will see them in [chapter 10|guide:urls]. {note}
