1. Remove factory-class from the metadata. It's too much work for this late in the project. All sequences would be implemented by the JDO vendor.
+1
"I wouldn't mind having the sequence-property elements as you describe, and standardizing the semantics of those that are most likely to be needed, e.g. InitialValue, Increment. "
+1

I don't think it makes any sense to have sequence-property elements without a factory-class. If we want the user to be able to specify additional standard sequence information such as initial value and increment, we should add corresponding attributes to the sequence XML element. That way we get parsing validation. The only advantage of the proposed sequence-property elements was that they could communicate arbitrary information to a user's sequence impl; without a factory-class that advantage is moot.

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