Source code for synapse.ml.featurize.DataConversion

# 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.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 DataConversion(ComplexParamsMixin, JavaMLReadable, JavaMLWritable, JavaTransformer): """ Args: cols (list): Comma separated list of columns whose type will be converted convertTo (str): The result type dateTimeFormat (str): Format for DateTime when making DateTime:String conversions """ cols = Param(Params._dummy(), "cols", "Comma separated list of columns whose type will be converted", typeConverter=TypeConverters.toListString) convertTo = Param(Params._dummy(), "convertTo", "The result type", typeConverter=TypeConverters.toString) dateTimeFormat = Param(Params._dummy(), "dateTimeFormat", "Format for DateTime when making DateTime:String conversions", typeConverter=TypeConverters.toString) @keyword_only def __init__( self, java_obj=None, cols=None, convertTo="", dateTimeFormat="yyyy-MM-dd HH:mm:ss" ): super(DataConversion, self).__init__() if java_obj is None: self._java_obj = self._new_java_obj("com.microsoft.azure.synapse.ml.featurize.DataConversion", self.uid) else: self._java_obj = java_obj self._setDefault(convertTo="") self._setDefault(dateTimeFormat="yyyy-MM-dd HH:mm:ss") 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, cols=None, convertTo="", dateTimeFormat="yyyy-MM-dd HH:mm:ss" ): """ 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.featurize.DataConversion"
@staticmethod def _from_java(java_stage): module_name=DataConversion.__module__ module_name=module_name.rsplit(".", 1)[0] + ".DataConversion" return from_java(java_stage, module_name)
[docs] def setCols(self, value): """ Args: cols: Comma separated list of columns whose type will be converted """ self._set(cols=value) return self
[docs] def setConvertTo(self, value): """ Args: convertTo: The result type """ self._set(convertTo=value) return self
[docs] def setDateTimeFormat(self, value): """ Args: dateTimeFormat: Format for DateTime when making DateTime:String conversions """ self._set(dateTimeFormat=value) return self
[docs] def getCols(self): """ Returns: cols: Comma separated list of columns whose type will be converted """ return self.getOrDefault(self.cols)
[docs] def getConvertTo(self): """ Returns: convertTo: The result type """ return self.getOrDefault(self.convertTo)
[docs] def getDateTimeFormat(self): """ Returns: dateTimeFormat: Format for DateTime when making DateTime:String conversions """ return self.getOrDefault(self.dateTimeFormat)