XQueryExpression (ActiveMQ Artemis Web 2.21.0 API)

java.lang.Object
- org.apache.activemq.artemis.selector.filter.XQueryExpression

All Implemented Interfaces:

BooleanExpression, Expression
```
public final class XQueryExpression
extends java.lang.Object
implements BooleanExpression
```
Used to evaluate an XQuery Expression in a JMS selector.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`java.lang.Object`	`evaluate(Filterable message)`
`boolean`	`matches(Filterable message)`
`java.lang.String`	`toString()`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Method Detail
  - evaluate
```
public java.lang.Object evaluate(Filterable message)
                          throws FilterException
```
    Specified by:
    
    evaluate in interface Expression
    
    Returns:
    
    the value of this expression
    
    Throws:
    
    FilterException
  - toString
```
public java.lang.String toString()
```
    Overrides:
    
    toString in class java.lang.Object
  - matches
```
public boolean matches(Filterable message)
                throws FilterException
```
    Specified by:
    
    matches in interface BooleanExpression
    
    Parameters:
    
    message -
    
    Returns:
    
    true if the expression evaluates to Boolean.TRUE.
    
    Throws:
    
    FilterException