HttpSessionAttributeListener (Servlet 3.0 API Documentation - Apache Tomcat 7.0.67)

Servlet 3.0 - Apache Tomcat 7.0.67

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Summary:
Nested |
Field |
Constr |
Method

Detail:
Field |
Constr |
Method

All Superinterfaces:

java.util.EventListener
```
public interface HttpSessionAttributeListener
extends java.util.EventListener
```
This listener interface can be implemented in order to get notifications of changes to the attribute lists of sessions within this web application.

Since:

v 2.3

Method Summary

Methods
Modifier and Type	Method and Description
`void`	`attributeAdded(HttpSessionBindingEvent se)` Notification that an attribute has been added to a session.
`void`	`attributeRemoved(HttpSessionBindingEvent se)` Notification that an attribute has been removed from a session.
`void`	`attributeReplaced(HttpSessionBindingEvent se)` Notification that an attribute has been replaced in a session.

- Method Detail
  - attributeAdded
```
void attributeAdded(HttpSessionBindingEvent se)
```
    Notification that an attribute has been added to a session. Called after the attribute is added.
  - attributeRemoved
```
void attributeRemoved(HttpSessionBindingEvent se)
```
    Notification that an attribute has been removed from a session. Called after the attribute is removed.
  - attributeReplaced
```
void attributeReplaced(HttpSessionBindingEvent se)
```
    Notification that an attribute has been replaced in a session. Called after the attribute is replaced.

Servlet 3.0 - Apache Tomcat 7.0.67

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