Created
July 21, 2018 18:07
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How to reference a scala object in python using Py4j (JavaGateway)
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| # This function takes the fully classified object name, say: <package>.<name>. | |
| # Returns the static object instance on the heap | |
| def ref_scala_object(object_name): | |
| clazz = jvm.java.lang.Class.forName(object_name+"$") | |
| ff = clazz.getDeclaredField("MODULE$") | |
| o = ff.get(None) | |
| return o |
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| scala_none = ref_scala_object("scala.None") | |
| scala_none.getClass().getName() # returns 'scala.None$' |
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