org.globus.cog.karajan.arguments
Class Arg.Optional

java.lang.Object
  org.globus.cog.karajan.arguments.Arg
      org.globus.cog.karajan.arguments.Arg.Optional

Enclosing class:

Arg

public static final class Arg.Optional
extends Arg

Nested Class Summary

Nested classes/interfaces inherited from class org.globus.cog.karajan.arguments.Arg

Arg.Channel, Arg.Optional, Arg.Positional, Arg.TypedPositional, Arg.Vargs

Field Summary

Fields inherited from class org.globus.cog.karajan.arguments.Arg

CHANNEL, IMPLICIT, NOINDEX, VARGS

Constructor Summary

Arg.Optional(String name)

Arg.Optional(String name, Object defaultValue)

Method Summary

Object	getStatic(FlowElement node)
Object	getValue(VariableStack stack)

Methods inherited from class org.globus.cog.karajan.arguments.Arg

getIndex, getName, getNamed, getStatic, getValue, hasIndex, isPresent, isPresentStatic, setStatic, setStatic, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

Arg.Optional

public Arg.Optional(String name,
                    Object defaultValue)

Arg.Optional

public Arg.Optional(String name)

Method Detail

getValue

public Object getValue(VariableStack stack)
                throws ExecutionException

Overrides:

getValue in class Arg

Throws:

ExecutionException

getStatic

public Object getStatic(FlowElement node)

Overrides:

getStatic in class Arg