org.apache.jetspeed.service
Interface PersistenceService

public interface PersistenceService

extends Service

The PersistenceService class is instantiated as a portlet-specific object. It provides methods to retrieve, store and reset pages. A page is the portlet-specific view of its configuration for a particular page.

The PersistenceService does require the portlet object as the first and only parameter.

See Also:

PersistenceFactory

Inner Class Summary

static interface

PersistenceService.Page

Method Summary

PersistenceService.Page	getPage() Returns the current page, ie. the page that the calling portlet resides on.
java.util.Enumeration	getPages() Returns an enumeration of pages that the persistence service manages for this portlet.
void	reset() Resets the persistence service to forget about all attributes previously collected.
void	store() Stores the current set of attributes.

Methods inherited from interface org.apache.jetspeed.service.Service

getName, init

Method Detail

reset

public void reset()

Resets the persistence service to forget about all attributes previously collected.

Throws:

ServiceException - if resetting the pages fails

store

public void store()
           throws ServiceException

Stores the current set of attributes. Any subsequent changes to the set of attributes or the attributes themselves will not be persistent until another call to store the attributes.

Throws:

ServiceException - if storing the pages fails

getPage

public PersistenceService.Page getPage()

Returns the current page, ie. the page that the calling portlet resides on.

Returns:

the current page

getPages

public java.util.Enumeration getPages()

Returns an enumeration of pages that the persistence service manages for this portlet.

Returns:

an enumeration of pages