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About locking issue, how to store cookies

 
Chih-Wei Lee
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Hi:
I am on the point of implementing lock and unlock method. My question is how most people store cookies with record.
I have two ways to do it.
1. I have a object class called Contractor. This object store the information about one record. So I can add a property called cookie to adhere this object. So when someone locks this record, he updates this property and unlock this record by updating this property to 0.

2. Using a Map collection to store cookie, like <Key: recNo, Value: cookie>
If record is unlocked, it sets value as null or 0.

Can someone give me suggestion that which one is better?
I worry about the synchronize problem.

Thanks

Lee
 
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