org.ceryle.wiki.plugin.query
Class Operand.NullOperand

java.lang.Object
  org.ceryle.wiki.plugin.query.Operand.NullOperand

All Implemented Interfaces:

Operand

Enclosing interface:

Operand

public static class Operand.NullOperand
extends Object
implements Operand

Utility inner class, defined here for convenience.

Author:

John Volkar (john.volkar at gmail.com)

Nested Class Summary

Nested classes/interfaces inherited from interface org.ceryle.wiki.plugin.query.Operand

Operand.NullOperand

Field Summary

Fields inherited from interface org.ceryle.wiki.plugin.query.Operand

NULL

Method Summary

boolean	evaluateOperand(Modifier modifier, ReferenceInfoProvider refInfoProvider, String pageName) Override to always return true, always evaluates to true.
String	toString() Override to return empty string, a null operand has no representation.

Methods inherited from class java.lang.Object

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

Method Detail

toString

public String toString()

Override to return empty string, a null operand has no representation.

Overrides:

toString in class Object

evaluateOperand

public boolean evaluateOperand(Modifier modifier,
                               ReferenceInfoProvider refInfoProvider,
                               String pageName)
                        throws QueryException

Override to always return true, always evaluates to true.

Specified by:

evaluateOperand in interface Operand

Throws:

QueryException