Suresh Thalamati wrote: > > Hi, > > I am looking at creating a new corruptible storage factory by > extending the engine's disk storage factory. > Purpose of this is to do explicitly corrupt the IO and do some > recovery testing. Thought ideal place > for the corruptible storage factory is to be in the test code utilities > not in the code line. But I ran into a simple obstacle , > constructors in the org.apache.derby.impl.io.DirFile etc are package > protected. So I am unable to extend the disk storage > factory classes successfully .
Why not make a proxy storage factory that delegates to another storage factory, but performs any corruptions you require? Then the corruption testing would be independent of the underlying storage and not tied to the current disk implementation. Dan.
