org.apache.wicket.pageStore

Class AbstractCachingPageStore<P>

java.lang.Object

org.apache.wicket.pageStore.AbstractPageStore

org.apache.wicket.pageStore.AbstractCachingPageStore<P>

Type Parameters:

P - The type of the page to be stored

All Implemented Interfaces:

IPageStore

Direct Known Subclasses:

DefaultPageStore, PerSessionPageStore

public abstract class AbstractCachingPageStore<P>
extends AbstractPageStore

An abstract IPageStore that uses SecondLevelPageCache to cache the stored pages in memory

Field Summary

Fields

Modifier and Type	Field and Description
protected SecondLevelPageCache<String,Integer,P>	pagesCache The cache implementation

Fields inherited from class org.apache.wicket.pageStore.AbstractPageStore

dataStore, pageSerializer

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AbstractCachingPageStore(ISerializer pageSerializer, IDataStore dataStore, SecondLevelPageCache<String,Integer,P> pagesCache) Constructor.

Method Summary

Modifier and Type	Method and Description
void	destroy() Destroy the store.
IManageablePage	getPage(String sessionId, int pageId) Restores a page from the persistent layer.
void	removePage(String sessionId, int pageId) Removes a page from the persistent layer.
void	storePage(String sessionId, IManageablePage page) Stores the page to a persistent layer.
void	unbind(String sessionId) The page store should cleanup all the pages for that sessionid.

Methods inherited from class org.apache.wicket.pageStore.AbstractPageStore

deserializePage, getPageData, prepareForSerialization, removePageData, removePageData, restoreAfterSerialization, serializePage, storePageData

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.apache.wicket.pageStore.IPageStore

canBeAsynchronous, convertToPage

Field Detail

pagesCache

protected final SecondLevelPageCache<String,Integer,P> pagesCache

The cache implementation

Constructor Detail

AbstractCachingPageStore

protected AbstractCachingPageStore(ISerializer pageSerializer,
                                   IDataStore dataStore,
                                   SecondLevelPageCache<String,Integer,P> pagesCache)

Constructor.

Parameters:

pageSerializer - The serializer that will convert pages to/from byte[]

dataStore - The third level page cache

pagesCache - The cache to use as a second level store

Method Detail

getPage

public IManageablePage getPage(String sessionId,
                               int pageId)

Description copied from interface: IPageStore

Restores a page from the persistent layer.

Parameters:

sessionId - The session of the page that must be removed

pageId - The id of the page.

Returns:

The page

removePage

public void removePage(String sessionId,
                       int pageId)

Description copied from interface: IPageStore

Removes a page from the persistent layer.

Parameters:

sessionId - The session of the page that must be removed

pageId - The id of the page.

storePage

public void storePage(String sessionId,
                      IManageablePage page)

Description copied from interface: IPageStore

Stores the page to a persistent layer. The page should be stored under the id and the version number.

Parameters:

sessionId - The session of the page that must be removed

page - The page to store

unbind

public void unbind(String sessionId)

Description copied from interface: IPageStore

The page store should cleanup all the pages for that sessionid.

Parameters:

sessionId - The session of the page that must be removed

destroy

public void destroy()

Description copied from interface: IPageStore

Destroy the store.

Specified by:

destroy in interface IPageStore

Overrides:

destroy in class AbstractPageStore