org.apache.cocoon.transformation.helpers
Class PreemptiveLoaderAction

java.lang.Object
  extended byorg.apache.avalon.framework.logger.AbstractLogEnabled
      extended byorg.apache.cocoon.acting.AbstractAction
          extended byorg.apache.cocoon.acting.ServiceableAction
              extended byorg.apache.cocoon.transformation.helpers.PreemptiveLoaderAction
All Implemented Interfaces:
Action, LogEnabled, Serviceable, ThreadSafe

public class PreemptiveLoaderAction
extends ServiceableAction
implements ThreadSafe

This action starts the preemptive loader and runs forever.

Since:
2.1
Version:
CVS $Id: PreemptiveLoaderAction.java 30941 2004-07-29 19:56:58Z vgritsenko $
Author:
Carsten Ziegeler

Field Summary
 
Fields inherited from class org.apache.cocoon.acting.ServiceableAction
manager
 
Fields inherited from class org.apache.cocoon.acting.AbstractAction
EMPTY_MAP
 
Fields inherited from interface org.apache.cocoon.acting.Action
ROLE
 
Constructor Summary
PreemptiveLoaderAction()
           
 
Method Summary
 Map act(Redirector redirector, SourceResolver resolver, Map objectModel, String source, Parameters parameters)
          This action starts the preemptive loading It runs forever and is stopped by the DefaultIncludeCacheManager.
 
Methods inherited from class org.apache.cocoon.acting.ServiceableAction
service
 
Methods inherited from class org.apache.avalon.framework.logger.AbstractLogEnabled
enableLogging, getLogger, setupLogger, setupLogger, setupLogger
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

PreemptiveLoaderAction

public PreemptiveLoaderAction()
Method Detail

act

public Map act(Redirector redirector,
               SourceResolver resolver,
               Map objectModel,
               String source,
               Parameters parameters)
        throws Exception
This action starts the preemptive loading It runs forever and is stopped by the DefaultIncludeCacheManager.

Specified by:
act in interface Action
Parameters:
resolver - The SourceResolver in charge
objectModel - The Map with object of the calling environment which can be used to select values this controller may need (ie Request, Response).
source - A source String to the Action
parameters - The Parameters for this invocation
Returns:
Map The returned Map object with sitemap substitution values which can be used in subsequent elements attributes like src= using a xpath like expression: src="mydir/{myval}/foo" If the return value is null the processing inside the element of the sitemap will be skipped.
Throws:
Exception - Indicates something is totally wrong
See Also:
Action.act(Redirector, SourceResolver, Map, String, Parameters)


Copyright ? 1999-2005 The Apache Software Foundation. All Rights Reserved.