org.pmml4s.common.Evaluator.scala Maven / Gradle / Ivy
/*
* Copyright (c) 2017-2019 AutoDeploy AI
*
* Licensed 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,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.pmml4s.common
import org.pmml4s.data.Series
import org.pmml4s.util.Utils
/**
* A common super-trait that accepts a series, then evaluates a single value.
*/
trait Evaluator extends PmmlElement {
def eval(series: Series): Any
}
trait DoubleEvaluator extends PmmlElement {
def asDouble(series: Series): Double
}
trait RegressionEvaluator extends Evaluator with DoubleEvaluator {
override def eval(series: Series): Double
override def asDouble(series: Series): Double = eval(series)
}
trait MixedEvaluator extends Evaluator with DoubleEvaluator {
override def asDouble(series: Series): Double = Utils.toDouble(eval(series))
}