org.globus.cog.karajan.workflow.nodes.functions
Class AbstractFunction

java.lang.Object
  org.globus.cog.karajan.workflow.nodes.FlowNode
      org.globus.cog.karajan.workflow.nodes.FlowContainer
          org.globus.cog.karajan.workflow.nodes.Sequential
              org.globus.cog.karajan.workflow.nodes.AbstractSequentialWithArguments
                  org.globus.cog.karajan.workflow.nodes.SequentialWithArguments
                      org.globus.cog.karajan.workflow.nodes.functions.AbstractFunction

All Implemented Interfaces:

LoadListener, EventListener, ExtendedFlowElement, FlowElement

Direct Known Subclasses:

AvailableTaskHandlers, FunctionsCollection, GridNode, HostNode, JavaMethodInvocationNode, KException, NewJavaObjectNode, NumericValue, QuotedString, SecurityContextNode, ServiceNode, StringValue, TaskHandlerNode, Unquote, Variable

public abstract class AbstractFunction
extends SequentialWithArguments

Nested Class Summary

Nested classes/interfaces inherited from class org.globus.cog.karajan.workflow.nodes.FlowNode

FlowNode.FNTP

Field Summary

Fields inherited from class org.globus.cog.karajan.workflow.nodes.AbstractSequentialWithArguments

QUOTED

Fields inherited from class org.globus.cog.karajan.workflow.nodes.FlowNode

A_INLINE_TEXT, debug, startCount, STDERR, STDOUT, threadTracker

Fields inherited from interface org.globus.cog.karajan.workflow.nodes.FlowElement

ANNOTATION, CALLER, FILENAME, LINE, TEXT, UID

Constructor Summary

AbstractFunction()

Method Summary

protected void	executeChildren(VariableStack stack)
void	executeSimple(VariableStack stack)
abstract Object	function(VariableStack stack)
boolean	isSimple()
void	post(VariableStack stack)
void	pre(VariableStack stack)
protected void	ret(VariableStack stack, Object value)
protected void	setSimple(boolean simple)
protected void	setValue(Object value)

Methods inherited from class org.globus.cog.karajan.workflow.nodes.AbstractSequentialWithArguments

addChannel, argumentsEvaluated, checkArguments, childCompleted, getArgument, getArgumentCount, getArgumentIndex, getArgumentNames, getArguments, getChannels, getMaxArgIndex, getNonpropargs, getOptionalArgs, getQuotedArgs, getSortedArgs, hasChannels, hasNestedArguments, hasVariableArguments, initializeArgs, initializeStatic, newNameBindingVariableArguments, newVariableArguments, processArguments, setArguments, setHasVargs, setNestedArgs, setNonpropargs, setQuotedArgs, setVargs

Methods inherited from class org.globus.cog.karajan.workflow.nodes.Sequential

executeSingle, exit, getIndex, moreToExecute, notificationEvent, preDecIndex, preIncIndex, setIndex, startElement, startNext

Methods inherited from class org.globus.cog.karajan.workflow.nodes.FlowContainer

execute, getChildFailed, isOptimizable, setChildFailed, setOptimize

Methods inherited from class org.globus.cog.karajan.workflow.nodes.FlowNode

_finally, abort, abortEvent, acceptsInlineText, addElement, addStaticArgument, checkClass, checkCompleted, checkFailed, complete, controlEvent, copy, echo, echo, elementCount, elements, event, executeErrorHandler, fail, fail, failIfNotDefined, failIfNull, failIfNull, failImmediately, failImmediately, failImmediately, failImmediately, fireControlEvent, fireMonitoringEvent, fireNotificationEvent, fireStatusMonitoringEvent, get_locator, getBooleanProperty, getBooleanProperty, getCanonicalType, getElement, getElementType, getIntProperty, getIntProperty, getParent, getProperty, getStaticArguments, getStringProperty, getTextualName, getTreeProperty, getUID, hasFrame, hasProperty, isCheckpointable, isSystemProperty, loadComplete, loadStarted, monitoringEvent, propertyNames, removeElement, removeElement, removeProperty, replaceElement, restart, restartElement, set_locator, setAcceptsInlineText, setCheckpointable, setElements, setElementType, setFrame, setParent, setProperties, setProperty, setProperty, setProperty, setStaticArguments, start, startElement, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractFunction

public AbstractFunction()

Method Detail

pre

public void pre(VariableStack stack)
         throws ExecutionException

Overrides:

pre in class AbstractSequentialWithArguments

Throws:

ExecutionException

executeChildren

protected void executeChildren(VariableStack stack)
                        throws ExecutionException

Overrides:

executeChildren in class Sequential

Throws:

ExecutionException

post

public final void post(VariableStack stack)
                throws ExecutionException

Overrides:

post in class FlowContainer

Throws:

ExecutionException

ret

protected void ret(VariableStack stack,
                   Object value)
            throws ExecutionException

Overrides:

ret in class FlowNode

Throws:

ExecutionException

function

public abstract Object function(VariableStack stack)
                         throws ExecutionException

Throws:

ExecutionException

setSimple

protected void setSimple(boolean simple)

setValue

protected void setValue(Object value)

isSimple

public boolean isSimple()

Specified by:

isSimple in interface ExtendedFlowElement

Overrides:

isSimple in class FlowNode

executeSimple

public void executeSimple(VariableStack stack)
                   throws ExecutionException

Specified by:

executeSimple in interface ExtendedFlowElement

Overrides:

executeSimple in class FlowNode

Throws:

ExecutionException