程序包 cn.taketoday.session

接口 WebSessionAttributeListener

所有超级接口:

EventListener

所有已知实现类:

SessionScope.DestructionCallback

public interface WebSessionAttributeListener
extends EventListener

This listener interface can be implemented in order to get notifications of changes to the attribute lists of sessions within this web application.

从以下版本开始:

4.0 2022/10/30 14:37

作者:

Harry Yang

方法概要

修饰符和类型	方法	说明
default void	attributeAdded(WebSession session, String attributeName, Object value)	Notification that an attribute has been added to a session.
default void	attributeRemoved(WebSession session, String attributeName, Object value)	Notification that an attribute has been removed from a session.
default void	attributeReplaced(WebSession session, String attributeName, Object oldValue, Object newValue)	Notification that an attribute has been replaced in a session.

方法详细资料

attributeAdded

default void attributeAdded(WebSession session,
 String attributeName,
 Object value)

Notification that an attribute has been added to a session. Called after the attribute is added. The default implementation is a NO-OP.

参数:

session - web session to hold this attribute

attributeName - name of attribute

value - attribute value

attributeRemoved

default void attributeRemoved(WebSession session,
 String attributeName,
 @Nullable
 Object value)

Notification that an attribute has been removed from a session. Called after the attribute is removed. The default implementation is a NO-OP.

参数:

session - web session to hold this attribute

attributeName - name of attribute

value - attribute value

attributeReplaced

default void attributeReplaced(WebSession session,
 String attributeName,
 Object oldValue,
 Object newValue)

Notification that an attribute has been replaced in a session. Called after the attribute is replaced. The default implementation is a NO-OP.

参数:

session - web session to hold this attribute

attributeName - name of attribute

oldValue - old attribute value

newValue - new attribute value