Github user jkbradley commented on a diff in the pull request:
https://github.com/apache/spark/pull/11683#discussion_r56217505
--- Diff: python/pyspark/ml/pipeline.py ---
@@ -232,6 +203,65 @@ def copy(self, extra=None):
stages = [stage.copy(extra) for stage in that.getStages()]
return that.setStages(stages)
+ @since("2.0.0")
+ def write(self):
+ """Returns an JavaMLWriter instance for this ML instance."""
+ return _PipelineMLWriter(self)
+
+ @since("2.0.0")
+ def save(self, path):
+ """Save this ML instance to the given path, a shortcut of
`write().save(path)`."""
+ self.write().save(path)
+
+ @classmethod
+ @since("2.0.0")
+ def read(cls):
+ """Returns an JavaMLReader instance for this class."""
+ return _PipelineMLReader(cls)
+
+ @classmethod
+ @since("2.0.0")
+ def load(cls, path):
+ """Reads an ML instance from the input path, a shortcut of
`read().load(path)`."""
+ return cls.read().load(path)
+
+
+@inherit_doc
+class PipelineModelMLWriter(JavaMLWriter, JavaWrapper):
--- End diff --
This should be private too
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