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org.apache.cocoon.components.treeprocessor.sitemap
Class FlowNode

java.lang.Object
  org.apache.cocoon.util.AbstractLogEnabled
      org.apache.cocoon.components.treeprocessor.AbstractProcessingNode
          org.apache.cocoon.components.treeprocessor.sitemap.FlowNode

All Implemented Interfaces:

Disposable, org.apache.cocoon.sitemap.ExecutionContext, org.apache.cocoon.util.location.Locatable, ProcessingNode, Serviceable, ThreadSafe

public class FlowNode

extends AbstractProcessingNode

implements Serviceable, Disposable

Handler for <map:flow> element in the sitemap.

Since:

September 13, 2002

Version:

$Id: FlowNode.html 1304280 2012-03-23 11:18:01Z ilgrosso $

Field Summary

Fields inherited from class org.apache.cocoon.components.treeprocessor.AbstractProcessingNode

componentName, executor, location

Constructor Summary

FlowNode(String language)

Method Summary

void	dispose()
org.apache.cocoon.components.flow.Interpreter	getInterpreter()
boolean	invoke(org.apache.cocoon.environment.Environment env, InvokeContext context) This method should never be called by the TreeProcessor, since a <map:flow> element should not be in an "executable" sitemap node.
void	service(ServiceManager manager) Lookup an flow Interpreter instance to hold the scripts defined within the <map:flow> in the sitemap.

Methods inherited from class org.apache.cocoon.components.treeprocessor.AbstractProcessingNode

getLocation, getType, setLocation, setSitemapExecutor

Methods inherited from class org.apache.cocoon.util.AbstractLogEnabled

getLogger, setLogger

Methods inherited from class java.lang.Object

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

Constructor Detail

FlowNode

public FlowNode(String language)

Method Detail

service

public void service(ServiceManager manager)
             throws ServiceException

Lookup an flow Interpreter instance to hold the scripts defined within the <map:flow> in the sitemap.

Specified by:

service in interface Serviceable

Parameters:

manager - a ServiceManager value

Throws:

ServiceException - if no flow interpreter could be obtained

invoke

public boolean invoke(org.apache.cocoon.environment.Environment env,
                      InvokeContext context)
               throws Exception

This method should never be called by the TreeProcessor, since a <map:flow> element should not be in an "executable" sitemap node.

Specified by:

invoke in interface ProcessingNode

Parameters:

env - an Environment value

context - an InvokeContext value

Returns:

a boolean value

Throws:

Exception - if an error occurs

getInterpreter

public org.apache.cocoon.components.flow.Interpreter getInterpreter()

dispose

public void dispose()

Specified by:

dispose in interface Disposable

See Also:

Disposable.dispose()