object OuterScopes
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- def addOuterScope(outer: AnyRef): Unit
Adds a new outer scope to this context that can be used when instantiating an
inner class
during deserialization.Adds a new outer scope to this context that can be used when instantiating an
inner class
during deserialization. Inner classes are created when a case class is defined in the Spark REPL and registering the outer scope that this class was defined in allows us to create new instances on the spark executors. In normal use, users should not need to call this function.Warning: this function operates on the assumption that there is only ever one instance of any given wrapper class.
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- def getOuterScope(innerCls: Class[_]): () => AnyRef
Returns a function which can get the outer scope for the given inner class.
Returns a function which can get the outer scope for the given inner class. By using function as return type, we can delay the process of getting outer pointer to execution time, which is useful for inner class defined in REPL.
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