Factory / DAO - Adding in a new DAO that is related to other DAOs

I have a Module (ModX) that can be associated with different modules.
When you enter the ModX from one of the many modules that you can enter from, I pass in a Module Id and an Associative Module Id.
The Module ID is passed to a factory which generates the right 'Bridge DAO' class to write the the proper bridge table and retrive module specific info.
The associatve id is the specific id of the Module Item I am associating ModX to.
One of the modules I come from (ModA) from has 2 sub modules that I can associate to ModX.
Now I can not associate ModA to ModX but ModA_sub1 and ModA_sub2 can be associated to ModX.
The ModA_sub1 and ModA_sub2 can also prepopulate ModX with some data (prePopulateData(ModX).
Now I am getting requirements where ModA can hold 'default information' that ModX will be populated with if it is entered from ModA_sub1 or ModA_sub2.
So if it is Entered from ModA_sub1, default info wil be populated from ModA and some additional info from ModA_sub1.
Up until this point my design has ben pretty simple, A Factory that returns the proper Bridge DAO based on the Module Id and calls prepopulate(modx).
Now I am in a situation where I may need information from 2 different DAO's.
What is the best way to incorporate this into my design? Should I have ModA DAO buried in the sub1 and sub2 prepopulate method to help prepopulate the data? Should a new ModADao be created the can also create the proper sub daos?
Any suggestions would be greatly appreciated.
Thank you,
Al

alzoid wrote:
I have a Module (ModX) that can be associated with different modules.
When you enter the ModX from one of the many modules that you can enter from, I pass in a Module Id and an Associative Module Id.
The Module ID is passed to a factory which generates the right 'Bridge DAO' class to write the the proper bridge table and retrive module specific info.
The associatve id is the specific id of the Module Item I am associating ModX to.
One of the modules I come from (ModA) from has 2 sub modules that I can associate to ModX.
Now I can not associate ModA to ModX but ModA_sub1 and ModA_sub2 can be associated to ModX.
The ModA_sub1 and ModA_sub2 can also prepopulate ModX with some data (prePopulateData(ModX).
Now I am getting requirements where ModA can hold 'default information' that ModX will be populated with if it is entered from ModA_sub1 or ModA_sub2.
So if it is Entered from ModA_sub1, default info wil be populated from ModA and some additional info from ModA_sub1.
Up until this point my design has ben pretty simple, A Factory that returns the proper Bridge DAO based on the Module Id and calls prepopulate(modx).
Now I am in a situation where I may need information from 2 different DAO's.
What is the best way to incorporate this into my design? Should I have ModA DAO buried in the sub1 and sub2 prepopulate method to help prepopulate the data? Should a new ModADao be created the can also create the proper sub daos?
Not clear.
Two possibilities.
1. You are creating object X based on the results of using object Y. The creation part is important there.
2. Object X is using object Y.
For possibility 1 you have two options.
A. Object X explicity uses object Y in the constructor.
B. Your factory creates Y and passes it to X during creation.
For possibility 2 that is composition and should be treated as such. Although again you still use the same options. But this case is an explicit composition relationship.

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(removed)
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>> Personal information removed to comply with the Verizon Wireless Terms of Service <<
Message was edited by: Verizon Moderator

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Factory / DAO - Adding in a new DAO that is related to other DAOs

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