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Author

Wicket DataProvider calling a Service/Dao that requires a domain object

Fernando Sproviero
Greenhorn

Joined: Mar 10, 2011
Posts: 3
Hi,

I have a DataProvider that implements IDataProvider, and for example in the size method I need to call the service as follows:

public int size() {
return service.countAllByDomainObjectY(domainObjectY);
}

DomainObjectX contains a manytoone relationship with DomainObjectY.
So, this countAllByDomainObjectY internally searches by the domainObjectY's id and returns the count of DomainObjectX associated with that specific domainObjectY.

Now, in order to do this I would need to have domainObjectY as a property of the DataProvider which I think it is not good because it would be serialized.

Should I change the service to receive just the domainObjectY's id and only "save" this id as a property of the DataProvider?
 
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subject: Wicket DataProvider calling a Service/Dao that requires a domain object
 
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