org.apache.wicket
Interface Component.IVisitor<T extends Component>

Type Parameters:

T - The component

Enclosing class:

Component

public static interface Component.IVisitor<T extends Component>

Generic component visitor interface for component traversals.

Field Summary

static java.lang.Object	CONTINUE_TRAVERSAL Value to return to continue a traversal.
static java.lang.Object	CONTINUE_TRAVERSAL_BUT_DONT_GO_DEEPER A generic value to return to continue a traversal, but if the component is a container, don't visit its children.
static java.lang.Object	STOP_TRAVERSAL A generic value to return to stop a traversal.

Method Summary

java.lang.Object

component(T component) Called at each component in a traversal.

Field Detail

CONTINUE_TRAVERSAL

static final java.lang.Object CONTINUE_TRAVERSAL

Value to return to continue a traversal.

CONTINUE_TRAVERSAL_BUT_DONT_GO_DEEPER

static final java.lang.Object CONTINUE_TRAVERSAL_BUT_DONT_GO_DEEPER

A generic value to return to continue a traversal, but if the component is a container, don't visit its children.

STOP_TRAVERSAL

static final java.lang.Object STOP_TRAVERSAL

A generic value to return to stop a traversal.

Method Detail

component

java.lang.Object component(T component)

Called at each component in a traversal.

Parameters:

component - The component

Returns:

CONTINUE_TRAVERSAL (null) if the traversal should continue, or a non-null return value for the traversal method if it should stop. If no return value is useful, the generic non-null value STOP_TRAVERSAL can be used.