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mysticfall / pivot4j

Pivot4J provides a common API for OLAP servers which can be used to build an analytical service frontend with pivot style GUI.
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Need more flexible way to configure factory classes #16

Open mysticfall opened 11 years ago

mysticfall commented 11 years ago

We need more flexible way to configure factory classes for various parts of the core API(i.e. Transform, ExpressionEvaluator, SortMode, UICommand, etc).

We can use the service extension SPI(look up via java.util.ServiceLoader), but it need to be able to save and restore its state via #42.