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:

EventListener, ExtendedFlowElement, FlowElement, LoadListener

Direct Known Subclasses:

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

public abstract class AbstractFunction

extends SequentialWithArguments

Nested Class Summary

Nested classes 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

commonArguments, QUOTED

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

INDEX

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

CALLER

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

debug, startCount, TEXT, threadTracker

Constructor Summary

AbstractFunction()

Method Summary

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

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

executeChildren

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

argumentsEvaluated, checkArguments, getArgument, getArgument, getArgumentCount, getArgumentIndex, getArgumentNames, getArguments, getMaxArgIndex, getNonpropargs, getPropargs, getQuotedArgs, getSortedArgs, getVargs, getVargsAsArray, hasArgument, hasNestedArguments, hasVariableArguments, initializeArgs, initializeStatic, newNameBindingVariableArguments, newVariableArguments, notificationEvent, pre, processArguments, setArguments, setArguments, setHasVargs, setNestedArgs, setNonpropargs, setQuotedArgs, setVargs

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

executeSingle, exit, moreToExecute, startNext

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

addChannel, execute, isOptimizable, setOptimize

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

abort, acceptsInlineText, addElement, checkClass, checkCompleted, checkFailed, complete, controlEvent, copy, echo, echo, elementCount, elements, end, event, executeErrorHandler, expandProperty, expandProperty, expandPropertyAsString, fail, fail, failIfNotDefined, failIfNull, failIfNull, failImmediately, failImmediately, failImmediately, fireControlEvent, fireMonitoringEvent, fireNotificationEvent, fireStatusMonitoringEvent, get_locator, getBooleanProperty, getBooleanProperty, getCanonicalType, getElement, getElementType, getIntProperty, getIntProperty, getParent, getProjectNode, getProperty, getStringProperty, getTreeProperty, getVar, hasFrame, hashCode, hasProperty, isCheckpointable, isSystemProperty, loadComplete, loadStarted, monitoringEvent, propertyNames, removeProperty, restart, restartElement, ret, ret, set_locator, setAcceptsInlineText, setCheckpointable, setElementType, setFrame, setParent, setProperty, setProperty, setProperty, start, startElement, startElement, toString, verify

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractFunction

public AbstractFunction()

Method Detail

post

public final void post(VariableStack stack)
                throws ExecutionException

Overrides:

post in class FlowContainer

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