1 files changed, 10 insertions, 3 deletions
diff --git a/python/pyspark/ml/util.py b/python/pyspark/ml/util.py
index d3cb100a9e..cee9d67b05 100644
--- a/python/pyspark/ml/util.py
+++ b/python/pyspark/ml/util.py
@@ -39,9 +39,16 @@ class Identifiable(object):
     """
 
     def __init__(self):
-        #: A unique id for the object. The default implementation
-        #: concatenates the class name, "_", and 8 random hex chars.
-        self.uid = type(self).__name__ + "_" + uuid.uuid4().hex[:8]
+        #: A unique id for the object.
+        self.uid = self._randomUID()
 
     def __repr__(self):
         return self.uid
+
+    @classmethod
+    def _randomUID(cls):
+        """
+        Generate a unique id for the object. The default implementation
+        concatenates the class name, "_", and 12 random hex chars.
+        """
+        return cls.__name__ + "_" + uuid.uuid4().hex[12:]