EvaluationListener (Jakarta Expression Language API documentation)

java.lang.Object
- jakarta.el.EvaluationListener

```
public abstract class EvaluationListener
extends Object
```
The listener interface for receiving notification when a Jakarta Expression Language expression is evaluated.

Since:

Jakarta Expression Language 3.0

Constructor Summary

Constructors
Constructor Description

EvaluationListener()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`afterEvaluation(ELContext context, String expression)`	Receives notification after a Jakarta Expression Language expression is evaluated
`void`	`beforeEvaluation(ELContext context, String expression)`	Receives notification before a Jakarta Expression Language expression is evaluated
`void`	`propertyResolved(ELContext context, Object base, Object property)`	Receives notification when the (base, property) pair is resolved

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

- Constructor Detail
  - EvaluationListener
```
public EvaluationListener()
```
- Method Detail
  - beforeEvaluation
```
public void beforeEvaluation(ELContext context,
                             String expression)
```
    Receives notification before a Jakarta Expression Language expression is evaluated
    
    Parameters:
    
    context - The ELContext
    
    expression - The Jakarta Expression Language expression string to be evaluated
  - afterEvaluation
```
public void afterEvaluation(ELContext context,
                            String expression)
```
    Receives notification after a Jakarta Expression Language expression is evaluated
    
    Parameters:
    
    context - The ELContext
    
    expression - The Jakarta Expression Language expression string to be evaluated
  - propertyResolved
```
public void propertyResolved(ELContext context,
                             Object base,
                             Object property)
```
    Receives notification when the (base, property) pair is resolved
    
    Parameters:
    
    context - The ELContext
    
    base - The base object
    
    property - The property object