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Re: Direct Action App Editing Context management?
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Re: Direct Action App Editing Context management?


  • Subject: Re: Direct Action App Editing Context management?
  • From: Chuck Hill <email@hidden>
  • Date: Mon, 14 Feb 2005 15:00:53 -0800

I guess that I did not do that because that page is used in other circumstances too. It could probably be made to work there too.

Chuck


On Feb 9, 2005, at 1:24 PM, Anjo Krank wrote:


Am 09.02.2005 um 21:42 schrieb Chuck Hill:

You might find the sections in Practical WebObjects on this topic of use.

If you are using direct actions _without_ a session, there is only the appendToResponse phase. If the page generated contains component actions then a session is created and so you would handle locking normally. If the page contains only direct actions, the pattern is:

- create the EC,
- lock the EC
- create and configure the return page
- call generateResponse on the return page
- unlock the ec
- dispose the ec
- return the previously generated response _NOT_ the page!

You might as well override appendToResponse in your page:

public void appendToResponse(..) {
	ec = new EOEditingContext();
	ec.lock();
	try {
		// pull values from request, configure, whatever
		super.appendToResponse(..);
	} finally {
		ec.unlock();
	}
}

and return the page. Looks a lot easier to me, and all the code is in one place...

Cheers, Anjo


--
Practical WebObjects - a book for intermediate WebObjects developers who want to increase their overall knowledge of WebObjects, or those who are trying to solve specific application development problems.
http://www.global-village.net/products/practical_webobjects




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  • Follow-Ups:
    • Re: Direct Action App Editing Context management?
      • From: Anjo Krank <email@hidden>
References: 
 >Direct Action App Editing Context management? (From: Kieran Kelleher <email@hidden>)
 >Re: Direct Action App Editing Context management? (From: Chuck Hill <email@hidden>)
 >Re: Direct Action App Editing Context management? (From: Anjo Krank <email@hidden>)

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