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

java.lang.Object
  org.apache.avalon.framework.logger.AbstractLogEnabled
      org.apache.cocoon.components.treeprocessor.AbstractProcessingNode
          org.apache.cocoon.components.treeprocessor.sitemap.CallFunctionNode

All Implemented Interfaces:

Composable, Configurable, LogEnabled, ThreadSafe, ProcessingNode, Locatable

public class CallFunctionNode
extends AbstractProcessingNode
implements Configurable, Composable

Node handler for calling functions and resuming continuations in the control flow layer.

Since:

March 13, 2002

Version:

CVS $Id: CallFunctionNode.html 1304258 2012-03-23 10:09:27Z ilgrosso $

Author:

Ovidiu Predescu

Field Summary

protected VariableResolver	continuationId
protected VariableResolver	functionName
protected Interpreter	interpreter
protected ComponentManager	manager
protected List	parameters

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

location

Fields inherited from interface org.apache.cocoon.components.treeprocessor.ProcessingNode

OBJECT_SOURCE_RESOLVER

Constructor Summary

CallFunctionNode(VariableResolver functionName, VariableResolver continuationId)

Method Summary

void	compose(ComponentManager manager)
void	configure(Configuration config) Obtain the configuration specific to this node type and update the internal state.
boolean	invoke(Environment env, InvokeContext context) Process environment.
static List	resolveList(List expressions, ComponentManager manager, InvokeContext context, Map objectModel)
void	setInterpreter(Interpreter interp)

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

getLocation, getSourceResolver, setLocation

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

Field Detail

parameters

protected List parameters

functionName

protected VariableResolver functionName

continuationId

protected VariableResolver continuationId

manager

protected ComponentManager manager

interpreter

protected Interpreter interpreter

Constructor Detail

CallFunctionNode

public CallFunctionNode(VariableResolver functionName,
                        VariableResolver continuationId)

Method Detail

resolveList

public static List resolveList(List expressions,
                               ComponentManager manager,
                               InvokeContext context,
                               Map objectModel)
                        throws PatternException

Throws:

PatternException

setInterpreter

public void setInterpreter(Interpreter interp)
                    throws Exception

Throws:

Exception

configure

public void configure(Configuration config)
               throws ConfigurationException

Obtain the configuration specific to this node type and update the internal state.

Specified by:

configure in interface Configurable

Parameters:

config - a Configuration value

Throws:

ConfigurationException - if an error occurs

compose

public void compose(ComponentManager manager)

Specified by:

compose in interface Composable

invoke

public boolean invoke(Environment env,
                      InvokeContext context)
               throws Exception

Description copied from interface: ProcessingNode

Process environment.

Specified by:

invoke in interface ProcessingNode

Throws:

Exception