org.vaadin.spring.navigator.internal

Interface ViewCache

All Superinterfaces:

Serializable

All Known Implementing Classes:

DefaultViewCache

public interface ViewCache
extends Serializable

A view cache is used to keep track of the currently active view and its corresponding BeanStore. It is also responsible for cleaning up views that have gone out of scope. Used as a delegate by VaadinViewScope. For internal use only.

Author:

Petter Holmström (petter@vaadin.com)

Method Summary

Modifier and Type	Method and Description
void	creatingView(String viewName) Called by the view provider before a view with the specified name will be created.
BeanStore	getCurrentViewBeanStore() Returns the bean store for the currently active view.
void	viewCreated(String viewName, com.vaadin.navigator.View viewInstance) Called by the view provider after a view with the specified name has been created.

Method Detail

creatingView

void creatingView(String viewName)

Called by the view provider before a view with the specified name will be created.

Parameters:

viewName - the name of the view (not the name of the Spring bean).

See Also:

VaadinView.name()

viewCreated

void viewCreated(String viewName,
                 com.vaadin.navigator.View viewInstance)

Called by the view provider after a view with the specified name has been created.

Parameters:

viewName - the name of the view (not the name of the Spring bean).

viewInstance - the created view instance, or null if the instance could not be created for some reason.

See Also:

VaadinView.name()

getCurrentViewBeanStore

BeanStore getCurrentViewBeanStore()
                           throws IllegalStateException

Returns the bean store for the currently active view.

Throws:

IllegalStateException - if there is no active view.