# 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 PageSplitter(ComplexParamsMixin, JavaMLReadable, JavaMLWritable, JavaTransformer):
"""
Args:
boundaryRegex (str): how to split into words
inputCol (str): The name of the input column
maximumPageLength (int): the maximum number of characters to be in a page
minimumPageLength (int): the the minimum number of characters to have on a page in order to preserve work boundaries
outputCol (str): The name of the output column
"""
boundaryRegex = Param(Params._dummy(), "boundaryRegex", "how to split into words", typeConverter=TypeConverters.toString)
inputCol = Param(Params._dummy(), "inputCol", "The name of the input column", typeConverter=TypeConverters.toString)
maximumPageLength = Param(Params._dummy(), "maximumPageLength", "the maximum number of characters to be in a page", typeConverter=TypeConverters.toInt)
minimumPageLength = Param(Params._dummy(), "minimumPageLength", "the the minimum number of characters to have on a page in order to preserve work boundaries", typeConverter=TypeConverters.toInt)
outputCol = Param(Params._dummy(), "outputCol", "The name of the output column", typeConverter=TypeConverters.toString)
@keyword_only
def __init__(
self,
java_obj=None,
boundaryRegex="\\s",
inputCol=None,
maximumPageLength=5000,
minimumPageLength=4500,
outputCol="PageSplitter_4207b7391b29_output"
):
super(PageSplitter, self).__init__()
if java_obj is None:
self._java_obj = self._new_java_obj("com.microsoft.azure.synapse.ml.featurize.text.PageSplitter", self.uid)
else:
self._java_obj = java_obj
self._setDefault(boundaryRegex="\\s")
self._setDefault(maximumPageLength=5000)
self._setDefault(minimumPageLength=4500)
self._setDefault(outputCol="PageSplitter_4207b7391b29_output")
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,
boundaryRegex="\\s",
inputCol=None,
maximumPageLength=5000,
minimumPageLength=4500,
outputCol="PageSplitter_4207b7391b29_output"
):
"""
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.text.PageSplitter"
@staticmethod
def _from_java(java_stage):
module_name=PageSplitter.__module__
module_name=module_name.rsplit(".", 1)[0] + ".PageSplitter"
return from_java(java_stage, module_name)
[docs] def setBoundaryRegex(self, value):
"""
Args:
boundaryRegex: how to split into words
"""
self._set(boundaryRegex=value)
return self
[docs] def setInputCol(self, value):
"""
Args:
inputCol: The name of the input column
"""
self._set(inputCol=value)
return self
[docs] def setMaximumPageLength(self, value):
"""
Args:
maximumPageLength: the maximum number of characters to be in a page
"""
self._set(maximumPageLength=value)
return self
[docs] def setMinimumPageLength(self, value):
"""
Args:
minimumPageLength: the the minimum number of characters to have on a page in order to preserve work boundaries
"""
self._set(minimumPageLength=value)
return self
[docs] def setOutputCol(self, value):
"""
Args:
outputCol: The name of the output column
"""
self._set(outputCol=value)
return self
[docs] def getBoundaryRegex(self):
"""
Returns:
boundaryRegex: how to split into words
"""
return self.getOrDefault(self.boundaryRegex)
[docs] def getInputCol(self):
"""
Returns:
inputCol: The name of the input column
"""
return self.getOrDefault(self.inputCol)
[docs] def getMaximumPageLength(self):
"""
Returns:
maximumPageLength: the maximum number of characters to be in a page
"""
return self.getOrDefault(self.maximumPageLength)
[docs] def getMinimumPageLength(self):
"""
Returns:
minimumPageLength: the the minimum number of characters to have on a page in order to preserve work boundaries
"""
return self.getOrDefault(self.minimumPageLength)
[docs] def getOutputCol(self):
"""
Returns:
outputCol: The name of the output column
"""
return self.getOrDefault(self.outputCol)