[jboss-user] [JBoss Seam] - Instantiate on demand

[bluetrade]

Hi, 
I have a small question regarding the instantiation of entites inside other entites. 

Lets say the following: 
class Info {
 private PhoneNumber phone; 
 private Email mail;

}

now when I am in the view and want to use the info.phone.description I would have had to write "private PhoneNumber phone = new PhoneNumber" instead, however I only want to do this if the customer decides to really enter one, otherwise there are lots of blanks in the DB... if I do as I want, I get a "not-null property references a null or transient value property"-Exception... Do you have any clues on how to solve this problem?
Thanks!

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