EvaluationListener (Java EE 8)

java.lang.Object
- javax.el.EvaluationListener

```
public abstract class EvaluationListener
extends java.lang.Object
```
The listener interface for receiving notification when an EL expression is evaluated.

Since:

EL 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, java.lang.String expression)`	Receives notification after an EL expression is evaluated
`void`	`beforeEvaluation(ELContext context, java.lang.String expression)`	Receives notification before an EL expression is evaluated
`void`	`propertyResolved(ELContext context, java.lang.Object base, java.lang.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,
                             java.lang.String expression)
```
    Receives notification before an EL expression is evaluated
    
    Parameters:
    
    context - The ELContext
    
    expression - The EL expression string to be evaluated
  - afterEvaluation
```
public void afterEvaluation(ELContext context,
                            java.lang.String expression)
```
    Receives notification after an EL expression is evaluated
    
    Parameters:
    
    context - The ELContext
    
    expression - The EL expression string to be evaluated
  - propertyResolved
```
public void propertyResolved(ELContext context,
                             java.lang.Object base,
                             java.lang.Object property)
```
    Receives notification when the (base, property) pair is resolved
    
    Parameters:
    
    context - The ELContext
    
    base - The base object
    
    property - The property object