org.apache.wicket.page

Class PageAccessSynchronizer

java.lang.Object

org.apache.wicket.page.PageAccessSynchronizer

All Implemented Interfaces:

Serializable

public class PageAccessSynchronizer
extends Object
implements Serializable

Synchronizes access to page instances from multiple threads

Author:

Igor Vaynberg (ivaynberg)

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	PageAccessSynchronizer.PageLock Thread's lock on a page

Constructor Summary

Constructors

Constructor and Description
PageAccessSynchronizer(Duration timeout) Constructor

Method Summary

Modifier and Type	Method and Description
IPageManager	adapt(IPageManager pagemanager) Wraps a page manager with this synchronizer
Duration	getTimeout(int pageId)
void	lockPage(int pageId) Acquire a lock to a page
void	unlockAllPages() Unlocks all pages locked by this thread
void	unlockPage(int pageId) Unlocks a single page locked by the current thread.

Methods inherited from class java.lang.Object

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

Constructor Detail

PageAccessSynchronizer

public PageAccessSynchronizer(Duration timeout)

Constructor

Parameters:

timeout - timeout value for acquiring a page lock

Method Detail

getTimeout

public Duration getTimeout(int pageId)

Parameters:

pageId - the id of the page to be locked

Returns:

the duration for acquiring a page lock

lockPage

public void lockPage(int pageId)
              throws CouldNotLockPageException

Acquire a lock to a page

Parameters:

pageId - page id

Throws:

CouldNotLockPageException - if lock could not be acquired

unlockAllPages

public void unlockAllPages()

Unlocks all pages locked by this thread

unlockPage

public void unlockPage(int pageId)

Unlocks a single page locked by the current thread.

Parameters:

pageId - the id of the page which should be unlocked.

adapt

public IPageManager adapt(IPageManager pagemanager)

Wraps a page manager with this synchronizer

Parameters:

pagemanager -

Returns:

wrapped page manager