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

java.lang.Object
  org.globus.cog.karajan.arguments.AbstractWriteOnlyVariableArguments
      org.globus.cog.karajan.workflow.nodes.functions.VariableArgumentsOperator

All Implemented Interfaces:

VariableArguments

Direct Known Subclasses:

LogVargOperator

public abstract class VariableArgumentsOperator
extends AbstractWriteOnlyVariableArguments

Constructor Summary

protected

VariableArgumentsOperator()

Method Summary

void	append(Object value)
void	appendAll(List args)
protected Object	getValue()
protected abstract Object	initialValue()
void	merge(VariableArguments args)
protected abstract Object	update(Object oldvalue, Object item)

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

addListener, butFirst, copy, get, getAll, isEmpty, iterator, removeFirst, removeListener, set, set, size, toArray

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.globus.cog.karajan.arguments.VariableArguments

isCommutative

Constructor Detail

VariableArgumentsOperator

protected VariableArgumentsOperator()

Method Detail

initialValue

protected abstract Object initialValue()

update

protected abstract Object update(Object oldvalue,
                                 Object item)

getValue

protected Object getValue()

merge

public void merge(VariableArguments args)

Specified by:

merge in interface VariableArguments

Overrides:

merge in class AbstractWriteOnlyVariableArguments

append

public void append(Object value)

appendAll

public void appendAll(List args)

Specified by:

appendAll in interface VariableArguments

Overrides:

appendAll in class AbstractWriteOnlyVariableArguments