[ColdBox 4.1] Custom Interceptor for system settings

[Chad Baloga]

I am trying to setup a custom interceptor which will grab some data from a database and set those as session variables which can be used throughout the user's session.  First off, is an interceptor the way to go with this?  Second,  I am getting the error below.  I have never written my own interceptor so this is all new to me.   Any help is greatly appreciated.  Thanks!  

Error:

Event: security.Home 
Routed URL: N/A 
Layout: lay_default.cfm (Module: ) 
View: v_warning 
Timestamp: 05/19/2015 01:39:55 PM

---

Type: InterceptorService.InvalidInterceptionState 
Messages: The interception state sent in to process is not valid: beforeDebuggerPanel Valid states are [afterConfigurationLoad, afterAspectsLoad, preReinit, onException, onRequestCapture, onInvalidEvent, afterHandlerCreation, afterInstanceCreation, applicationEnd, sessionStart, sessionEnd, preProcess, preEvent, postEvent, postProcess, preProxyResults, preLayout, preRender, postRender, preViewRender, postViewRender, preLayoutRender, postLayoutRender, preModuleLoad, postModuleLoad, preModuleUnload, postModuleUnload, afterCacheElementInsert, afterCacheElementRemoved, afterCacheElementExpired, afterCacheElementUpdated, afterCacheClearAll, afterCacheRegistration, afterCacheRemoval, beforeCacheRemoval, beforeCacheReplacement, afterCacheFactoryConfiguration, beforeCacheFactoryShutdown, afterCacheFactoryShutdown, beforeCacheShutdown, afterCacheShutdown, afterInjectorConfiguration, beforeInstanceCreation, afterInstanceInitialized, beforeInstanceInspection, afterInstanceInspection, beforeInjectorShutdown, afterInjectorShutdown, beforeInstanceAutowire, afterInstanceAutowire]

My interceptor code right now is as follows:

In ColdBox.cfc in the interceptor array:  {class="interceptors.appInit"}

<cfcomponent hint="This is a appInit interceptor"

output="false"

extends="coldbox.system.Interceptor">

<!------------------------------------------- CONSTRUCTOR ------------------------------------------->

<cffunction name="configure" access="public" returntype="void" hint="This is the configuration method" output="false">

<cfscript>

</cfscript>

</cffunction>

<!------------------------------------------- INTERCEPTION POINTS ------------------------------------------->

<!--- After Config Load --->

<cffunction name="afterConfigurationLoad" access="public" returntype="void" output="false">

  <cfargument name="event" required="true" hint="The event object.">

<cfscript>

var oSession = getInstance('SessionStorage@cbstorages');

oSession.setVar("mysetting","testing!!");

</cfscript>

</cffunction>

</cfcomponent>

[br...@bradwood.com]

Without the stack trace, I can't really tell what's going on, but I'm guessing you're using the cbdebugger module and it's trying to announce an interception point before it's been registered with the interceptor service.

 

I don't think any of the code you showed in your interceptor is an issue.  However, I do think you're a bit confused about what interceptor point to use.  afterConfigurationLoad will only fire ONCE-- after the app inits.  Therefore, if you want to set session data for every single user's session, you will want to use a different interception point-- namely sessionStart.

 

http://wiki.coldbox.org/wiki/Interceptors.cfm#Application_Life_Cycle

 

You may also want to consider simply having a session-scoped CFC that stored data related to the user.  Just put the scope annotation at the top of your component like so:

 

component scope="session" {}

 

Ask WireBox to give you the CFC any time you need it.  All the creation and persistence will handled automatically for you.  A separate CFC will be created for each user's session and get stored in the session scope but you won't have to do nearly as much work.  

 

Thanks!

~Brad

ColdBox Platform Evangelist
Ortus Solutions, Corp

E-mail: br...@coldbox.org
ColdBox Platform: http://www.coldbox.org
Blog: http://www.codersrevolution.com 

 

 

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[Chad Baloga]

OK, I got the error to go away and the session setting working.  Still would like some feedback if this is the best route to go.  Thanks!

[Chad Baloga]

Ok thanks.  These are the system settings which don't really apply to the user but settings which are used for session timeouts, inactivity durations etc and are used as a user is in the system (guess I kind of worded it poorly).  The reason for storing in database is so that sys admins can change these settings. 

The data associated w the actual user is done w a user bean w setters and getters.

Thanks
Chad

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[Chad Baloga]

Is there any way to clear out the components in the session scope besides restarting the ColdFusion service?  Fwreinit does seem to do the job.  

Thanks!

Chad

[br...@bradwood.com]

In all sessions, or just the current one?  

 

If you want to clear all sessions, no there is no way to do it unless you set some application-level flag and have each request check, it and do a clear on the session scope then.

If you want to just clear the current session structClear( session ) will work, but perhaps you can explain what you're trying to do.

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[Chad Baloga]

I was just adding some properties to my bean, and I can only get it to re-init and get the new properties by restart the CF service.

Thanks,

Chad

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[br...@bradwood.com]

If you're just testing for yourself, I've created an interceptor in the past that looks for ?clearsession=1 in the URL and just does a structClear( session )  You can also do it on fwreinit.  There's even an interception point for that.

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