net.sf.xmlform.expression

Class NullValue

java.lang.Object

net.sf.xmlform.expression.impl.AbstractValue

net.sf.xmlform.expression.NullValue

All Implemented Interfaces:

java.lang.Comparable, Value

public class NullValue
extends AbstractValue
implements Value

Author:

Liu Zhikun

Field Summary

Fields

Modifier and Type	Field and Description
static NullValue	NULL_VALUE

Method Summary

Modifier and Type	Method and Description
int	compareTo(java.lang.Object obj)
java.lang.Object	getValue()
java.lang.String	toString()

Methods inherited from class net.sf.xmlform.expression.impl.AbstractValue

getName, setName

Methods inherited from class java.lang.Object

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

Methods inherited from interface net.sf.xmlform.expression.Value

getName

Field Detail

NULL_VALUE

public static NullValue NULL_VALUE

Method Detail

compareTo

public int compareTo(java.lang.Object obj)

Specified by:

compareTo in interface java.lang.Comparable

getValue

public java.lang.Object getValue()

Specified by:

getValue in interface Value

Specified by:

getValue in class AbstractValue

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object