Record Related Actions

Question

Hi All , 
I have a scenario , 
When Person A opened any record in a record list ,
                               for selected record ,related action is edit  the record
At the same time Person B opened the same record that have chosen by  A and 
                       Person B tries to edit the same record then record should be lock ( Because Person A is already editing right ) then there is need to Appear like "Person  A is already editing " and could able to edit the record .

How can I accomplish this task ?????

Thanks all in advance [emoticon:c4563cd7d5574777a71c318021cbbcc8]

stefanhelzle0001 · Answer

Besides a database solution, described here

https://docs.appian.com/suite/help/21.3/Database_Schema_Best_Practices.html#optimistic-locking

There is no simple approach to this. Reason is, Appian is about implementing business processes in which a task is assigned to people as manual work has to be done.

So my first question is: Do you really need this?

The most simple solution, I am aware of, is to make the first form in the related action a user input task and enable chaining to this node. This means that clicking the related action button starts the process. Then create a process report checking for active instances of this related action. Now use this in the interface to check for any collisions.

There are other solutions which use a database table to store locks. This is a rather complicated approach as you need to make sure that each lock is removed. Depending on the nature of your related action, this can be difficult.

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