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The "Serialization" page has been changed by PeterFirmstone: http://wiki.apache.org/river/Serialization?action=diff&rev1=10&rev2=11 * Many implementations can share the same builder. * Migration: During a live upgrade, object data can be updated to new or different implementation classes using serialization to transfer state to another jvm, after the upgrade the old builders can be removed if desired. The original instance class name doesn't need to exist on the target provided the original builder is modified to produce a different instance. + Caveats: + * Not for use with classes that are extended by clients. + * Circularity issue caused by readResolve() needs to be considered. Example, if the Map contained a copy of itself, or the Objects in the Map contain references to the Map, then the circularity issue exists. + Generics have been omitted for clarity. === The Abstract Builder ===
