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org.mortbay.j2ee.session
Class BindingInterceptor  

java.lang.Object
  org.mortbay.j2ee.session.StateInterceptor
      org.mortbay.j2ee.session.BindingInterceptor

All Implemented Interfaces:

java.lang.Cloneable, State

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public class BindingInterceptor

extends StateInterceptor

A BindingInterceptor is responsible for notifying HttpSessionAttributeListeners when Attributes are added to, removed from or replaced in a Session and HttpSessionBindingListeners when attributes are bound into or unbound from a Session.

This is an expensive Interceptor to use since it requires that on rebinding an attribute in the Session, the old value is returned in case it is a Listener requiring notification of it's removal.If you are using a distributed store, this requirement will result in a serialisation and network traffic overhead which may not actually be necessary. Unfortunately it would be expensive to decide at runtime whether to add this interceptor since one of these Listeners might be bound into the session at any time from any node. This may be addressed in a future release.

Version:

1.0

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Field Summary
protected static org.jboss.logging.Logger	_log

 

Fields inherited from class org.mortbay.j2ee.session.StateInterceptor

 

Constructor Summary

BindingInterceptor()

 

Method Summary
protected  java.lang.Object	notifyValueBound(java.lang.String name, java.lang.Object value)
protected  java.lang.Object	notifyValueUnbound(java.lang.String name, java.lang.Object value)
java.lang.Object	removeAttribute(java.lang.String name, boolean returnValue)           removeAttribute is overriden in order to notify HttpSessionAttribute and HttpSessionBindingListeners of relative Attribute changes.
java.lang.Object	setAttribute(java.lang.String name, java.lang.Object value, boolean returnValue)           setAttribute is overriden in order to notify HttpSessionAttribute and HttpSessionBindingListeners of relative Attribute changes.

 

Methods inherited from class org.mortbay.j2ee.session.StateInterceptor

clone, getActualMaxInactiveInterval, getAttribute, getAttributeNameEnumeration, getAttributeNameStringArray, getAttributes, getCreationTime, getId, getLastAccessedTime, getManager, getMaxInactiveInterval, getSession, getState, isValid, setAttributes, setLastAccessedTime, setManager, setMaxInactiveInterval, setSession, setState, start, stop, toString

 

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

 

Field Detail

_log

protected static final org.jboss.logging.Logger _log

Constructor Detail

BindingInterceptor

public BindingInterceptor()

Method Detail

notifyValueUnbound

protected java.lang.Object notifyValueUnbound(java.lang.String name,
                                              java.lang.Object value)

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notifyValueBound

protected java.lang.Object notifyValueBound(java.lang.String name,
                                            java.lang.Object value)

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setAttribute

public java.lang.Object setAttribute(java.lang.String name,
                                     java.lang.Object value,
                                     boolean returnValue)
                              throws java.rmi.RemoteException

setAttribute is overriden in order to notify HttpSessionAttribute and HttpSessionBindingListeners of relative Attribute changes.

Specified by:

setAttribute in interface State

Overrides:

setAttribute in class StateInterceptor

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removeAttribute

public java.lang.Object removeAttribute(java.lang.String name,
                                        boolean returnValue)
                                 throws java.rmi.RemoteException

removeAttribute is overriden in order to notify HttpSessionAttribute and HttpSessionBindingListeners of relative Attribute changes.

Specified by:

removeAttribute in interface State

Overrides:

removeAttribute in class StateInterceptor

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Home >> All >> org >> mortbay >> j2ee >> [ session overview ]	PREV CLASS  NEXT CLASS
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