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preventing multiple user with same user Name and pswd

 
Manoj John
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Hi,
Please help...
In my application i need to prevent multiple login of same user.
I need it to implement when one loged in the previous user should inactivate.any solution is there without using database operations.
...
 
sreenath reddy
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Hi

This any framwork wont provide u ...u need to do this by choosing some algorithm..

i will tell u one .whenver the user tries to login (if he is valid) check for an entry in some hashmap(where u will be storing the username,session after successful login) if thereis already one u warn him r do whatever u like else ........

i had impl this in mine

get back if u need any help
 
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