Confusion about the differences between finder and select method
Dear all,
I discovered the following statement in the "J2EE 1.4 Tutorial - Chapter 27 Container_Managed Persistence Examples" (http://java.sun.com/j2ee/1.4/docs/tutorial/doc/CMP3.html#wp79761).
"A select method can return a persistent field (or a collection thereof) of a related entity bean. A finder method can return only a local or remote interface (or a collection of interfaces)."
What makes me confused is that, how come it states that a finder method can return only a local or remote interface (or a collection of interfaces)? I have not done CMP bean but in a BMP Bean class I can return a Collection of primary keys other than the interfaces.
So is the statement only true for CMP bean but not BMP bean?
Thanks in advance.
[770 byte] By [HELLOOOOa] at [2007-11-26 23:01:38] 