net.sf.dropboxmq.messageselector
Class Expression

java.lang.Object
  net.sf.dropboxmq.messageselector.Expression

Direct Known Subclasses:

BinaryExpression, ConstantExpression, IdentifierExpression, InExpression, UnaryExpression

public abstract class Expression
extends Object

Created: 06 Oct 2007

Version:

$Revision: 211 $, $Date: 2010-11-14 14:21:24 -0700 (Sun, 14 Nov 2010) $

Author:

Dwayne Schultz

Constructor Summary

Expression()

Method Summary

boolean	evaluate(Message message)
abstract Object	getValue(Message message)
abstract Class	getValueClass()
abstract String	toString(String prefix, String indent)

Methods inherited from class java.lang.Object

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

Constructor Detail

Expression

public Expression()

Method Detail

getValue

public abstract Object getValue(Message message)

evaluate

public boolean evaluate(Message message)

getValueClass

public abstract Class getValueClass()

toString

public abstract String toString(String prefix,
                                String indent)