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Re: Database schema
sergey@total-knowledge.com wrote:
> Events that cause a timeout to end and make the UMO available for others:
>
Available for editing by other, you mean, right?
> 1. Timeout is expired.
>
But lock is still held. It just becomes breakable - i.e. another person
trying
to edit the object will be prompted if they want to break the lock.
> 2. Author publishes the UMO.
> 3. Author closes his browser.
>
Cannot handle this.
> 4. Author clicks on "End Edit Mode" button.
>
What would that do? Cancel changes or what?
> 5. Author selects "Versioned" radio button and clicks "Save" button.
> 6. Author tries to link this UMO to others or link any other UMO to this UMO.
>
Umm... Not quite like that. New versions aren't created even if object links
are changed, until object is published. I know we didn't think through this
part of editing scenario 100% yet.
> Events that do not cause timeout to end:
> 1. Author hits "back" button in his browser.
> 2. Author clicks on any link other than "Publish", "End Edit Mode".
>
> I'm not sure about scenario 3. Please give me your feedback, add other
> scenarios. It will help me to figure out which functionality will be
> available for users in "edit mode" and which parts will be hidden from
> editors(if any).
>
>
>
>> There was a bit of confusion as to what this lock is going to affect,
>> and what its purpose, which we resolved with Alexey on IRC.
>>
>> To repeat that for benefit of all others:
>>
>> 1. Purpose of this lock is to avoid two authors modifying same
>> object at the same time, thus introducing conflicting changes.
>>
>> 2. Effect of locking UMO is to prevent any other author from
>> opening said UMO for editing.
>>
>> 3. Purpose of timeout on the lock is to ensure that object does
>> not get accidentally locked forever.
>>
>>
>> --
>> Ilya A. Volynets-Evenbakh
>> Total Knowledge. CTO
>> http://www.total-knowledge.com
>>
>>
>>
>
>
>
--
Ilya A. Volynets-Evenbakh
Total Knowledge. CTO
http://www.total-knowledge.com