net.sf.dropboxmq.messageselector
Class ConditionalExpression

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

Direct Known Subclasses:

ConditionalExpression.EqualExpression, ConditionalExpression.GreaterThanExpression, ConditionalExpression.GreaterThanOrEqualExpression, ConditionalExpression.LessThanExpression, ConditionalExpression.LessThanOrEqualExpression, ConditionalExpression.NotEqualExpression

public abstract class ConditionalExpression
extends BinaryExpression

Created: 07 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	ConditionalExpression.EqualExpression
static class	ConditionalExpression.GreaterThanExpression
static class	ConditionalExpression.GreaterThanOrEqualExpression
static class	ConditionalExpression.LessThanExpression
static class	ConditionalExpression.LessThanOrEqualExpression
static class	ConditionalExpression.NotEqualExpression

Constructor Summary

protected

ConditionalExpression(Expression left, Expression right, boolean ordinalsOnly)

Method Summary

static void	checkExpressionsAreComparable(Class leftClass, Token leftToken, Class rightClass, Token rightToken, boolean ordinalsOnly)
static void	checkExpressionsAreComparable(Expression left, Token leftToken, Expression right, Token rightToken, boolean ordinalsOnly)
static Integer	compare(Object leftValue, Object rightValue, boolean ordinalsOnly)
Object	getValue(Message message)
protected abstract Boolean	getValue(Object leftValue, Object rightValue)
Class	getValueClass()
boolean	isOrdinalsOnly()
static Expression	newBetweenExpression(Expression left, Token leftToken, Expression low, Token lowToken, Expression high, Token highToken, boolean negate)

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

ConditionalExpression

protected ConditionalExpression(Expression left,
                                Expression right,
                                boolean ordinalsOnly)

Method Detail

checkExpressionsAreComparable

public static void checkExpressionsAreComparable(Expression left,
                                                 Token leftToken,
                                                 Expression right,
                                                 Token rightToken,
                                                 boolean ordinalsOnly)
                                          throws ParseException

Throws:

ParseException

checkExpressionsAreComparable

public static void checkExpressionsAreComparable(Class leftClass,
                                                 Token leftToken,
                                                 Class rightClass,
                                                 Token rightToken,
                                                 boolean ordinalsOnly)
                                          throws ParseException

Throws:

ParseException

getValue

public Object getValue(Message message)

Specified by:

getValue in class Expression

getValueClass

public Class getValueClass()

Specified by:

getValueClass in class Expression

getValue

protected abstract Boolean getValue(Object leftValue,
                                    Object rightValue)

compare

public static Integer compare(Object leftValue,
                              Object rightValue,
                              boolean ordinalsOnly)

isOrdinalsOnly

public boolean isOrdinalsOnly()

newBetweenExpression

public static Expression newBetweenExpression(Expression left,
                                              Token leftToken,
                                              Expression low,
                                              Token lowToken,
                                              Expression high,
                                              Token highToken,
                                              boolean negate)
                                       throws ParseException

Throws:

ParseException