net.sf.dropboxmq.messageselector
Class ArithmeticExpression

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

Direct Known Subclasses:

ArithmeticExpression.AdditionExpression, ArithmeticExpression.DivisionExpression, ArithmeticExpression.MultiplicationExpression, ArithmeticExpression.SubtractionExpression

public abstract class ArithmeticExpression
extends BinaryExpression

Created: 12 Oct 2007

Version:

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

Author:

Dwayne Schultz

Nested Class Summary

static class	ArithmeticExpression.AdditionExpression
static class	ArithmeticExpression.DivisionExpression
static class	ArithmeticExpression.MultiplicationExpression
static class	ArithmeticExpression.SubtractionExpression

Constructor Summary

protected

ArithmeticExpression(Expression left, Token leftToken, Expression right, Token rightToken)

Method Summary

protected abstract double	getDoubleValue(double leftValue, double rightValue)
protected abstract long	getLongValue(long leftValue, long rightValue)
Object	getValue(Message message)
Class	getValueClass()
static boolean	isNumberClass(Class clazz)

Methods inherited from class net.sf.dropboxmq.messageselector.BinaryExpression

getLeft, getRight, promote, toString

Methods inherited from class net.sf.dropboxmq.messageselector.Expression

evaluate

Methods inherited from class java.lang.Object

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

Constructor Detail

ArithmeticExpression

protected ArithmeticExpression(Expression left,
                               Token leftToken,
                               Expression right,
                               Token rightToken)
                        throws ParseException

Throws:

ParseException

Method Detail

isNumberClass

public static boolean isNumberClass(Class clazz)

getValue

public Object getValue(Message message)

Specified by:

getValue in class Expression

getValueClass

public Class getValueClass()

Specified by:

getValueClass in class Expression

getLongValue

protected abstract long getLongValue(long leftValue,
                                     long rightValue)

getDoubleValue

protected abstract double getDoubleValue(double leftValue,
                                         double rightValue)