[jboss-user] [JBoss Seam] - Re: Seam @In EntityManager vs. Extended Persistence context.

[marius.oancea]

Just for clarification some of my requirements:

- Session scoped "leftTreeBean" (because conversation is too short)
- "leftTreebean" provides a getRoot method that creates a new TreeNodeimpl and makes db query to populate first level of the tree. Tree nodes are a custom class ClazzTreeNode.

ClazzTreeNode is not a seam component. Just a java object. Its "getChildren" makes a database call to a dao to find out the children of a specific node.

I would like to push the code to findChildrens, findFirstLevel and so on into another classes (DAO) to be able to reuse them.

Note:
  During working with the application tree can be modified.
  |   Tree is huge (about 2.5 million nodes) so it cannot be loaded in memory.
  |   I expect DAO-s to be stateless session beans
  | 
  | I use richfaces with ajax switch type.
  | 
  | Any critics to this design ?
  | 

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