.net - Repository Pattern - aggregate root -


i trying head around aggregates roots lie in entity framework data model know repositories need create.

if talk in relational database terms second, have exceptiongroup object , exception object (not system.exception!). exception belongs exceptiongroup , cannot exist without exceptiongroup.

should have repository each object or single repository containing methods both? if have single repository methods follows...

findallexceptionsbyexceptiongroup(int groupid) addexceptiongroup(exceptiongroup exceptiongroup) - because exception cannot exist without group. addexception(dataaccess.exception exception) deleteexceptiongroupbyid(int groupid) deleteexceptionbyid(int exceptionid) deleteexceptionbygroup(int groupid)

if understand model correctly, sounds have repository exceptiongroup , exceptiongroup object encapsulate access , operations on exception instances (for ex., exposing collection of them). in way, forced relationship between 2 classes becomes apparent.

jeff sternal has excellent answer similar question here: what's aggregate root? example of order / lineitem seems analogous.


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