org.apache.tapestry.engine
Class RestartService

java.lang.Object
  org.apache.tapestry.engine.AbstractService
      org.apache.tapestry.engine.RestartService

All Implemented Interfaces:

IEngineService

public class RestartService
extends AbstractService

Restarts the Tapestry application. This is normally reserved for dealing with catastrophic failures of the application. Discards the HttpSession, if any, and redirects to the Tapestry application servlet URL (invoking the HomeService).

Since:

1.0.9

Version:

$Id: RestartService.java 243791 2004-02-19 17:38:13Z hlship $

Author:

Howard Lewis Ship

Constructor Summary

RestartService()

Method Summary

ILink	getLink(IRequestCycle cycle, IComponent component, Object[] parameters) Builds a URL for a service.
String	getName() Returns the name of the service.
void	service(IEngineServiceView engine, IRequestCycle cycle, ResponseOutputStream output) Perform the service, interpreting the URL (from the HttpServletRequest) responding appropriately, and rendering a result page.

Methods inherited from class org.apache.tapestry.engine.AbstractService

constructLink, getParameters, getServiceContext

Methods inherited from class java.lang.Object

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

Constructor Detail

RestartService

public RestartService()

Method Detail

getLink

public ILink getLink(IRequestCycle cycle,
                     IComponent component,
                     Object[] parameters)

Description copied from interface: IEngineService

Builds a URL for a service. This is performed during the rendering phase of one request cycle and bulds URLs that will invoke activity in a subsequent request cycle.

Parameters:

cycle - Defines the request cycle being processed.

component - The component requesting the URL. Generally, the service context is established from the component.

parameters - Additional parameters specific to the component requesting the EngineServiceLink.

Returns:

The URL for the service. The URL will have to be encoded via HttpServletResponse.encodeURL(java.lang.String).

service

public void service(IEngineServiceView engine,
                    IRequestCycle cycle,
                    ResponseOutputStream output)
             throws ServletException,
                    IOException

Description copied from interface: IEngineService

Perform the service, interpreting the URL (from the HttpServletRequest) responding appropriately, and rendering a result page.

Parameters:

engine - a view of the IEngine with additional methods needed by services

cycle - the incoming request

output - stream to which output should ultimately be directed

Throws:

ServletException

IOException

See Also:

IEngine.service(org.apache.tapestry.request.RequestContext)

getName

public String getName()

Description copied from interface: IEngineService

Returns the name of the service.