org.jbpm.jpdl.el.impl
Class NullLiteral

java.lang.Object
  org.jbpm.jpdl.el.impl.Expression
      org.jbpm.jpdl.el.impl.Literal
          org.jbpm.jpdl.el.impl.NullLiteral

public class NullLiteral
extends Literal

An expression representing a null literal value

Version:

$Change: 181177 $$DateTime: 2001/06/26 08:45:09 $$Author$

Author:

Nathan Abramson - Art Technology Group

Field Summary

static NullLiteral

SINGLETON

Constructor Summary

NullLiteral()
Constructor

Method Summary

java.lang.String

getExpressionString() Returns the expression in the expression language syntax

Methods inherited from class org.jbpm.jpdl.el.impl.Literal

evaluate, getValue, setValue

Methods inherited from class java.lang.Object

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

Field Detail

SINGLETON

public static final NullLiteral SINGLETON

Constructor Detail

NullLiteral

public NullLiteral()

Constructor

Method Detail

getExpressionString

public java.lang.String getExpressionString()

Returns the expression in the expression language syntax

Specified by:

getExpressionString in class Expression