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Two level of abstract entity and deep fetch ?
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Two level of abstract entity and deep fetch ?


  • Subject: Two level of abstract entity and deep fetch ?
  • From: Stephane Guyot <email@hidden>
  • Date: Wed, 14 Sep 2005 22:06:28 +0200


Hi,

in an EOF model we have two levels of inheritance, in case of single table mapping.

AbtsractEntityA ---> EntityWWW
AbtsractEntityA ---> AbtsractEntityB ------> EntityXXX
AbtsractEntityA ---> AbtsractEntityB ------> EntityYYY
AbtsractEntityA ---> EntityZZZ
Inheritance is represented here horizontally.

We have already used deep fetch, with single table mapping scheme, ( and sharedEditingContext ), but never with two abstract entities.
Is there any tips to know or trouble to avoid ?
Do you know if there is any pitfall with two levels in case of deep fetch ?


Thanks in advance,
Stephane


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