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[SPARK-13937][PySpark][ML] Change JavaWrapper _java_obj from static to member variable #11767

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[SPARK-13937][PySpark][ML] Change JavaWrapper _java_obj from static to member variable #11767

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13 changes: 9 additions & 4 deletions python/pyspark/ml/wrapper.py
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Original file line number Diff line number Diff line change
Expand Up @@ -34,10 +34,15 @@ class JavaWrapper(Params):

__metaclass__ = ABCMeta

#: The wrapped Java companion object. Subclasses should initialize
#: it properly. The param values in the Java object should be
#: synced with the Python wrapper in fit/transform/evaluate/copy.
_java_obj = None
def __init__(self):
"""
Initialize the wrapped java object to None
"""
super(JavaWrapper, self).__init__()
#: The wrapped Java companion object. Subclasses should initialize
#: it properly. The param values in the Java object should be
#: synced with the Python wrapper in fit/transform/evaluate/copy.
self._java_obj = None

@staticmethod
def _new_java_obj(java_class, *args):
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