ai.h2o.sparkling.ml.params.DeprecatableParams.scala Maven / Gradle / Ivy
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* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
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* See the License for the specific language governing permissions and
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package ai.h2o.sparkling.ml.params
import org.apache.spark.expose.Logging
import org.apache.spark.ml.param.{Param, Params}
/**
* The trait represents a definition of ML algorithm parameters that may contain some deprecations
*/
trait DeprecatableParams extends Params with Logging {
/**
* When a parameter is renamed, the mapping 'old name' -> 'new name' should be added into this map.
*/
protected def renamingMap: Map[String, String]
private def applyRenaming(parameterName: String): String = renamingMap.getOrElse(parameterName, parameterName)
override def hasParam(paramName: String): Boolean = super.hasParam(applyRenaming(paramName))
override def getParam(paramName: String): Param[Any] = super.getParam(applyRenaming(paramName))
}
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