recall object without pk

From: dragos moraru (moraru_et..pymac.com)
Date: Mon Aug 23 2004 - 09:01:23 EDT

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I'm new to Cayenne and i want to recall an object from the database.
I saw on the forum that the usage of the PK is not very smart. Please tell me how to recall in a web application a particular object from DB using another method . Some guys suggested to use the hashCode. But how?

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