# 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
from synapse.ml.cognitive.anomaly.SimpleDetectMultivariateAnomaly import SimpleDetectMultivariateAnomaly
[docs]@inherit_doc
class SimpleFitMultivariateAnomaly(ComplexParamsMixin, JavaMLReadable, JavaMLWritable, JavaEstimator):
"""
Args:
alignMode (str): An optional field, indicates how we align different variables into the same time-range which is required by the model.{Inner, Outer}
backoffs (list): array of backoffs to use in the handler
displayName (str): optional field, name of the model
endTime (str): A required field, end time of data to be used for detection/generating multivariate anomaly detection model, should be date-time.
errorCol (str): column to hold http errors
fillNAMethod (str): An optional field, indicates how missed values will be filled with. Can not be set to NotFill, when alignMode is Outer.{Previous, Subsequent, Linear, Zero, Fixed}
initialPollingDelay (int): number of milliseconds to wait before first poll for result
inputCols (list): The names of the input columns
intermediateSaveDir (str): Blob storage location in HDFS where intermediate data is saved while training.
maxPollingRetries (int): number of times to poll
outputCol (str): The name of the output column
paddingValue (int): optional field, is only useful if FillNAMethod is set to Fixed.
pollingDelay (int): number of milliseconds to wait between polling
slidingWindow (int): An optional field, indicates how many history points will be used to determine the anomaly score of one subsequent point.
startTime (str): A required field, start time of data to be used for detection/generating multivariate anomaly detection model, should be date-time.
subscriptionKey (object): the API key to use
suppressMaxRetriesException (bool): set true to suppress the maxumimum retries exception and report in the error column
timestampCol (str): Timestamp column name
url (str): Url of the service
"""
alignMode = Param(Params._dummy(), "alignMode", "An optional field, indicates how we align different variables into the same time-range which is required by the model.{Inner, Outer}", typeConverter=TypeConverters.toString)
backoffs = Param(Params._dummy(), "backoffs", "array of backoffs to use in the handler", typeConverter=TypeConverters.toListInt)
displayName = Param(Params._dummy(), "displayName", "optional field, name of the model", typeConverter=TypeConverters.toString)
endTime = Param(Params._dummy(), "endTime", "A required field, end time of data to be used for detection/generating multivariate anomaly detection model, should be date-time.", typeConverter=TypeConverters.toString)
errorCol = Param(Params._dummy(), "errorCol", "column to hold http errors", typeConverter=TypeConverters.toString)
fillNAMethod = Param(Params._dummy(), "fillNAMethod", "An optional field, indicates how missed values will be filled with. Can not be set to NotFill, when alignMode is Outer.{Previous, Subsequent, Linear, Zero, Fixed}", typeConverter=TypeConverters.toString)
initialPollingDelay = Param(Params._dummy(), "initialPollingDelay", "number of milliseconds to wait before first poll for result", typeConverter=TypeConverters.toInt)
inputCols = Param(Params._dummy(), "inputCols", "The names of the input columns", typeConverter=TypeConverters.toListString)
intermediateSaveDir = Param(Params._dummy(), "intermediateSaveDir", "Blob storage location in HDFS where intermediate data is saved while training.", typeConverter=TypeConverters.toString)
maxPollingRetries = Param(Params._dummy(), "maxPollingRetries", "number of times to poll", typeConverter=TypeConverters.toInt)
outputCol = Param(Params._dummy(), "outputCol", "The name of the output column", typeConverter=TypeConverters.toString)
paddingValue = Param(Params._dummy(), "paddingValue", "optional field, is only useful if FillNAMethod is set to Fixed.", typeConverter=TypeConverters.toInt)
pollingDelay = Param(Params._dummy(), "pollingDelay", "number of milliseconds to wait between polling", typeConverter=TypeConverters.toInt)
slidingWindow = Param(Params._dummy(), "slidingWindow", "An optional field, indicates how many history points will be used to determine the anomaly score of one subsequent point.", typeConverter=TypeConverters.toInt)
startTime = Param(Params._dummy(), "startTime", "A required field, start time of data to be used for detection/generating multivariate anomaly detection model, should be date-time.", typeConverter=TypeConverters.toString)
subscriptionKey = Param(Params._dummy(), "subscriptionKey", "ServiceParam: the API key to use")
suppressMaxRetriesException = Param(Params._dummy(), "suppressMaxRetriesException", "set true to suppress the maxumimum retries exception and report in the error column", typeConverter=TypeConverters.toBoolean)
timestampCol = Param(Params._dummy(), "timestampCol", "Timestamp column name", typeConverter=TypeConverters.toString)
url = Param(Params._dummy(), "url", "Url of the service", typeConverter=TypeConverters.toString)
@keyword_only
def __init__(
self,
java_obj=None,
alignMode="Outer",
backoffs=[100,500,1000],
displayName=None,
endTime=None,
errorCol="SimpleFitMultivariateAnomaly_a00be78ec465_error",
fillNAMethod="Linear",
initialPollingDelay=300,
inputCols=None,
intermediateSaveDir=None,
maxPollingRetries=1000,
outputCol="SimpleFitMultivariateAnomaly_a00be78ec465_output",
paddingValue=None,
pollingDelay=300,
slidingWindow=300,
startTime=None,
subscriptionKey=None,
subscriptionKeyCol=None,
suppressMaxRetriesException=False,
timestampCol="timestamp",
url=None
):
super(SimpleFitMultivariateAnomaly, self).__init__()
if java_obj is None:
self._java_obj = self._new_java_obj("com.microsoft.azure.synapse.ml.cognitive.anomaly.SimpleFitMultivariateAnomaly", self.uid)
else:
self._java_obj = java_obj
self._setDefault(alignMode="Outer")
self._setDefault(backoffs=[100,500,1000])
self._setDefault(errorCol="SimpleFitMultivariateAnomaly_a00be78ec465_error")
self._setDefault(fillNAMethod="Linear")
self._setDefault(initialPollingDelay=300)
self._setDefault(maxPollingRetries=1000)
self._setDefault(outputCol="SimpleFitMultivariateAnomaly_a00be78ec465_output")
self._setDefault(pollingDelay=300)
self._setDefault(slidingWindow=300)
self._setDefault(suppressMaxRetriesException=False)
self._setDefault(timestampCol="timestamp")
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,
alignMode="Outer",
backoffs=[100,500,1000],
displayName=None,
endTime=None,
errorCol="SimpleFitMultivariateAnomaly_a00be78ec465_error",
fillNAMethod="Linear",
initialPollingDelay=300,
inputCols=None,
intermediateSaveDir=None,
maxPollingRetries=1000,
outputCol="SimpleFitMultivariateAnomaly_a00be78ec465_output",
paddingValue=None,
pollingDelay=300,
slidingWindow=300,
startTime=None,
subscriptionKey=None,
subscriptionKeyCol=None,
suppressMaxRetriesException=False,
timestampCol="timestamp",
url=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.cognitive.anomaly.SimpleFitMultivariateAnomaly"
@staticmethod
def _from_java(java_stage):
module_name=SimpleFitMultivariateAnomaly.__module__
module_name=module_name.rsplit(".", 1)[0] + ".SimpleFitMultivariateAnomaly"
return from_java(java_stage, module_name)
[docs] def setAlignMode(self, value):
"""
Args:
alignMode: An optional field, indicates how we align different variables into the same time-range which is required by the model.{Inner, Outer}
"""
self._set(alignMode=value)
return self
[docs] def setBackoffs(self, value):
"""
Args:
backoffs: array of backoffs to use in the handler
"""
self._set(backoffs=value)
return self
[docs] def setDisplayName(self, value):
"""
Args:
displayName: optional field, name of the model
"""
self._set(displayName=value)
return self
[docs] def setEndTime(self, value):
"""
Args:
endTime: A required field, end time of data to be used for detection/generating multivariate anomaly detection model, should be date-time.
"""
self._set(endTime=value)
return self
[docs] def setErrorCol(self, value):
"""
Args:
errorCol: column to hold http errors
"""
self._set(errorCol=value)
return self
[docs] def setFillNAMethod(self, value):
"""
Args:
fillNAMethod: An optional field, indicates how missed values will be filled with. Can not be set to NotFill, when alignMode is Outer.{Previous, Subsequent, Linear, Zero, Fixed}
"""
self._set(fillNAMethod=value)
return self
[docs] def setInitialPollingDelay(self, value):
"""
Args:
initialPollingDelay: number of milliseconds to wait before first poll for result
"""
self._set(initialPollingDelay=value)
return self
[docs] def setMaxPollingRetries(self, value):
"""
Args:
maxPollingRetries: number of times to poll
"""
self._set(maxPollingRetries=value)
return self
[docs] def setOutputCol(self, value):
"""
Args:
outputCol: The name of the output column
"""
self._set(outputCol=value)
return self
[docs] def setPaddingValue(self, value):
"""
Args:
paddingValue: optional field, is only useful if FillNAMethod is set to Fixed.
"""
self._set(paddingValue=value)
return self
[docs] def setPollingDelay(self, value):
"""
Args:
pollingDelay: number of milliseconds to wait between polling
"""
self._set(pollingDelay=value)
return self
[docs] def setSlidingWindow(self, value):
"""
Args:
slidingWindow: An optional field, indicates how many history points will be used to determine the anomaly score of one subsequent point.
"""
self._set(slidingWindow=value)
return self
[docs] def setStartTime(self, value):
"""
Args:
startTime: A required field, start time of data to be used for detection/generating multivariate anomaly detection model, should be date-time.
"""
self._set(startTime=value)
return self
[docs] def setSubscriptionKey(self, value):
"""
Args:
subscriptionKey: the API key to use
"""
if isinstance(value, list):
value = SparkContext._active_spark_context._jvm.com.microsoft.azure.synapse.ml.param.ServiceParam.toSeq(value)
self._java_obj = self._java_obj.setSubscriptionKey(value)
return self
[docs] def setSubscriptionKeyCol(self, value):
"""
Args:
subscriptionKey: the API key to use
"""
self._java_obj = self._java_obj.setSubscriptionKeyCol(value)
return self
[docs] def setSuppressMaxRetriesException(self, value):
"""
Args:
suppressMaxRetriesException: set true to suppress the maxumimum retries exception and report in the error column
"""
self._set(suppressMaxRetriesException=value)
return self
[docs] def setTimestampCol(self, value):
"""
Args:
timestampCol: Timestamp column name
"""
self._set(timestampCol=value)
return self
[docs] def setUrl(self, value):
"""
Args:
url: Url of the service
"""
self._set(url=value)
return self
[docs] def getAlignMode(self):
"""
Returns:
alignMode: An optional field, indicates how we align different variables into the same time-range which is required by the model.{Inner, Outer}
"""
return self.getOrDefault(self.alignMode)
[docs] def getBackoffs(self):
"""
Returns:
backoffs: array of backoffs to use in the handler
"""
return self.getOrDefault(self.backoffs)
[docs] def getDisplayName(self):
"""
Returns:
displayName: optional field, name of the model
"""
return self.getOrDefault(self.displayName)
[docs] def getEndTime(self):
"""
Returns:
endTime: A required field, end time of data to be used for detection/generating multivariate anomaly detection model, should be date-time.
"""
return self.getOrDefault(self.endTime)
[docs] def getErrorCol(self):
"""
Returns:
errorCol: column to hold http errors
"""
return self.getOrDefault(self.errorCol)
[docs] def getFillNAMethod(self):
"""
Returns:
fillNAMethod: An optional field, indicates how missed values will be filled with. Can not be set to NotFill, when alignMode is Outer.{Previous, Subsequent, Linear, Zero, Fixed}
"""
return self.getOrDefault(self.fillNAMethod)
[docs] def getInitialPollingDelay(self):
"""
Returns:
initialPollingDelay: number of milliseconds to wait before first poll for result
"""
return self.getOrDefault(self.initialPollingDelay)
[docs] def getMaxPollingRetries(self):
"""
Returns:
maxPollingRetries: number of times to poll
"""
return self.getOrDefault(self.maxPollingRetries)
[docs] def getOutputCol(self):
"""
Returns:
outputCol: The name of the output column
"""
return self.getOrDefault(self.outputCol)
[docs] def getPaddingValue(self):
"""
Returns:
paddingValue: optional field, is only useful if FillNAMethod is set to Fixed.
"""
return self.getOrDefault(self.paddingValue)
[docs] def getPollingDelay(self):
"""
Returns:
pollingDelay: number of milliseconds to wait between polling
"""
return self.getOrDefault(self.pollingDelay)
[docs] def getSlidingWindow(self):
"""
Returns:
slidingWindow: An optional field, indicates how many history points will be used to determine the anomaly score of one subsequent point.
"""
return self.getOrDefault(self.slidingWindow)
[docs] def getStartTime(self):
"""
Returns:
startTime: A required field, start time of data to be used for detection/generating multivariate anomaly detection model, should be date-time.
"""
return self.getOrDefault(self.startTime)
[docs] def getSubscriptionKey(self):
"""
Returns:
subscriptionKey: the API key to use
"""
return self._java_obj.getSubscriptionKey()
[docs] def getSuppressMaxRetriesException(self):
"""
Returns:
suppressMaxRetriesException: set true to suppress the maxumimum retries exception and report in the error column
"""
return self.getOrDefault(self.suppressMaxRetriesException)
[docs] def getTimestampCol(self):
"""
Returns:
timestampCol: Timestamp column name
"""
return self.getOrDefault(self.timestampCol)
[docs] def getUrl(self):
"""
Returns:
url: Url of the service
"""
return self.getOrDefault(self.url)
def _create_model(self, java_model):
try:
model = SimpleDetectMultivariateAnomaly(java_obj=java_model)
model._transfer_params_from_java()
except TypeError:
model = SimpleDetectMultivariateAnomaly._from_java(java_model)
return model
def _fit(self, dataset):
java_model = self._fit_java(dataset)
return self._create_model(java_model)
[docs] def setLocation(self, value):
self._java_obj = self._java_obj.setLocation(value)
return self