Source code for synapse.ml.stages.Repartition

# Copyright (C) Microsoft Corporation. All rights reserved.
# Licensed under the MIT License. See LICENSE in project root for information.


import sys
if sys.version >= '3':
    basestring = str

from pyspark import SparkContext, SQLContext
from pyspark.sql import DataFrame
from pyspark.ml.param.shared import *
from pyspark import keyword_only
from pyspark.ml.util import JavaMLReadable, JavaMLWritable
from synapse.ml.core.platform import running_on_synapse_internal
from synapse.ml.core.serialize.java_params_patch import *
from pyspark.ml.wrapper import JavaTransformer, JavaEstimator, JavaModel
from pyspark.ml.evaluation import JavaEvaluator
from pyspark.ml.common import inherit_doc
from synapse.ml.core.schema.Utils import *
from pyspark.ml.param import TypeConverters
from synapse.ml.core.schema.TypeConversionUtils import generateTypeConverter, complexTypeConverter


[docs]@inherit_doc class Repartition(ComplexParamsMixin, JavaMLReadable, JavaMLWritable, JavaTransformer): """ Args: disable (bool): Whether to disable repartitioning (so that one can turn it off for evaluation) n (int): Number of partitions """ disable = Param(Params._dummy(), "disable", "Whether to disable repartitioning (so that one can turn it off for evaluation)", typeConverter=TypeConverters.toBoolean) n = Param(Params._dummy(), "n", "Number of partitions", typeConverter=TypeConverters.toInt) @keyword_only def __init__( self, java_obj=None, disable=False, n=None ): super(Repartition, self).__init__() if java_obj is None: self._java_obj = self._new_java_obj("com.microsoft.azure.synapse.ml.stages.Repartition", self.uid) else: self._java_obj = java_obj self._setDefault(disable=False) if hasattr(self, "_input_kwargs"): kwargs = self._input_kwargs else: kwargs = self.__init__._input_kwargs if java_obj is None: for k,v in kwargs.items(): if v is not None: getattr(self, "set" + k[0].upper() + k[1:])(v)
[docs] @keyword_only def setParams( self, disable=False, n=None ): """ Set the (keyword only) parameters """ if hasattr(self, "_input_kwargs"): kwargs = self._input_kwargs else: kwargs = self.__init__._input_kwargs return self._set(**kwargs)
[docs] @classmethod def read(cls): """ Returns an MLReader instance for this class. """ return JavaMMLReader(cls)
[docs] @staticmethod def getJavaPackage(): """ Returns package name String. """ return "com.microsoft.azure.synapse.ml.stages.Repartition"
@staticmethod def _from_java(java_stage): module_name=Repartition.__module__ module_name=module_name.rsplit(".", 1)[0] + ".Repartition" return from_java(java_stage, module_name)
[docs] def setDisable(self, value): """ Args: disable: Whether to disable repartitioning (so that one can turn it off for evaluation) """ self._set(disable=value) return self
[docs] def setN(self, value): """ Args: n: Number of partitions """ self._set(n=value) return self
[docs] def getDisable(self): """ Returns: disable: Whether to disable repartitioning (so that one can turn it off for evaluation) """ return self.getOrDefault(self.disable)
[docs] def getN(self): """ Returns: n: Number of partitions """ return self.getOrDefault(self.n)