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org.activemq.filter
Class UnaryExpression  

java.lang.Object
  org.activemq.filter.UnaryExpression

All Implemented Interfaces:

Expression

Direct Known Subclasses:

ComparisonExpression.LikeExpression, MultiExpressionEvaluator.CacheExpression, UnaryExpression.BooleanUnaryExpression

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public abstract class UnaryExpression

extends java.lang.Object

implements Expression

An expression which performs an operation on two expression values

Version:

$Revision: 1.1.1.1 $

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Nested Class Summary
(package private) static class	UnaryExpression.BooleanUnaryExpression

 

Field Summary
private static java.math.BigDecimal	BD_LONG_MIN_VALUE
protected  Expression	right

 

Constructor Summary

UnaryExpression(Expression left)

 

Method Summary
static BooleanExpression	createBooleanCast(Expression left)
static BooleanExpression	createInExpression(PropertyExpression right, java.util.List elements, boolean not)
static Expression	createNegate(Expression left)
static BooleanExpression	createNOT(BooleanExpression left)
static BooleanExpression	createXPath(java.lang.String xpath)
static BooleanExpression	createXQuery(java.lang.String xpath)
boolean	equals(java.lang.Object o)           TODO: more efficient hashCode()
abstract  java.lang.String	getExpressionSymbol()           Returns the symbol that represents this binary expression.
Expression	getRight()
int	hashCode()           TODO: more efficient hashCode()
private static java.lang.Number	negate(java.lang.Number left)
void	setRight(Expression expression)
java.lang.String	toString()           Convert this Object to a human-readable String.

 

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

 

Methods inherited from interface org.activemq.filter.Expression

evaluate

 

Field Detail

BD_LONG_MIN_VALUE

private static final java.math.BigDecimal BD_LONG_MIN_VALUE

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right

protected Expression right

Constructor Detail

UnaryExpression

public UnaryExpression(Expression left)

Method Detail

createNegate

public static Expression createNegate(Expression left)

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createInExpression

public static BooleanExpression createInExpression(PropertyExpression right,
                                                   java.util.List elements,
                                                   boolean not)

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createNOT

public static BooleanExpression createNOT(BooleanExpression left)

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createXPath

public static BooleanExpression createXPath(java.lang.String xpath)

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createXQuery

public static BooleanExpression createXQuery(java.lang.String xpath)

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createBooleanCast

public static BooleanExpression createBooleanCast(Expression left)

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negate

private static java.lang.Number negate(java.lang.Number left)

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getRight

public Expression getRight()

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setRight

public void setRight(Expression expression)

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toString

public java.lang.String toString()

Description copied from class: java.lang.Object

Convert this Object to a human-readable String. There are no limits placed on how long this String should be or what it should contain. We suggest you make it as intuitive as possible to be able to place it into System.out.println() 55 and such.

It is typical, but not required, to ensure that this method never completes abruptly with a java.lang.RuntimeException.

This method will be called when performing string concatenation with this object. If the result is null, string concatenation will instead use "null".

The default implementation returns getClass().getName() + "@" + Integer.toHexString(hashCode()).

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hashCode

public int hashCode()

TODO: more efficient hashCode()

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equals

public boolean equals(java.lang.Object o)

TODO: more efficient hashCode()

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getExpressionSymbol

public abstract java.lang.String getExpressionSymbol()

Returns the symbol that represents this binary expression. For example, addition is represented by "+"

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Overview  Package   Class  Use  Deprecated  Index
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