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Adding data using hibernate for Composite primary keys  RSS feed

 
Varun Nayudu
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Hi guys,

I am having trouble with adding data into the database using hibernate .I have got a table 'ln_user_group' which has 2 columns 'userid,groupname'. Both these fields act as a primary key

The Hibernate mapping file is as follows


I am using netbeansIDE and it automatically generates 2 POJO's of the table 'ln_user_group'

The 2 POJO's a given below..


And the other one is


Now i understand it creates 2 pojo's for generating a unique id , but i want to know how do i add data into this table 'ln_user_group'

My code for adding data into table is as follows:


but i don't thing it will work. Can any one please tell me the write way to add data into this table
 
It is sorta covered in the JavaRanch Style Guide.
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