Added 'pmml-sklearn-evaluator' module

Author: vruusmann

pmml-sklearn-evaluator/pom.xml

@@ -0,0 +1,43 @@
+<?xml version="1.0" ?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+
+	<parent>
+		<groupId>org.jpmml</groupId>
+		<artifactId>jpmml-sklearn</artifactId>
+		<version>1.9-SNAPSHOT</version>
+	</parent>
+
+	<groupId>org.jpmml</groupId>
+	<artifactId>pmml-sklearn-evaluator</artifactId>
+	<packaging>jar</packaging>
+
+	<name>JPMML SkLearn JPMML-Evaluator integration</name>
+	<description>JPMML Scikit-Learn JPMML-Evaluator integration</description>
+
+	<licenses>
+		<license>
+			<name>GNU Affero General Public License (AGPL) version 3.0</name>
+			<url>http://www.gnu.org/licenses/agpl-3.0.html</url>
+			<distribution>repo</distribution>
+		</license>
+	</licenses>
+
+	<dependencies>
+		<dependency>
+			<groupId>org.jpmml</groupId>
+			<artifactId>pmml-evaluator</artifactId>
+			<scope>provided</scope>
+		</dependency>
+		<dependency>
+			<groupId>org.jpmml</groupId>
+			<artifactId>pmml-evaluator-testing</artifactId>
+			<scope>provided</scope>
+		</dependency>
+
+		<dependency>
+			<groupId>org.junit.jupiter</groupId>
+			<artifactId>junit-jupiter-api</artifactId>
+		</dependency>
+	</dependencies>
+</project>

pmml-sklearn-evaluator/src/main/java/org/jpmml/sklearn/evaluator/SkLearnFunctionRegistry.java

@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 2025 Villu Ruusmann
+ *
+ * This file is part of JPMML-SkLearn
+ *
+ * JPMML-SkLearn is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * JPMML-SkLearn is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with JPMML-SkLearn.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package org.jpmml.sklearn.evaluator;
+
+import java.util.Collections;
+import java.util.Map;
+import java.util.Objects;
+import java.util.function.Predicate;
+
+import org.jpmml.evaluator.Function;
+import org.jpmml.evaluator.FunctionRegistry;
+
+/**
+ * @see FunctionRegistry
+ */
+public class SkLearnFunctionRegistry {
+
+	private SkLearnFunctionRegistry(){
+	}
+
+	static
+	public void publish(String name){
+		publish(key -> Objects.equals(name, key));
+	}
+
+	static
+	public void publishAll(){
+		publish(key -> true);
+	}
+
+	static
+	private void publish(Predicate<String> predicate){
+		(SkLearnFunctionRegistry.rexpFunctions.entrySet()).stream()
+			.filter(entry -> predicate.test(entry.getKey()))
+			.forEach(entry -> FunctionRegistry.putFunction(entry.getKey(), entry.getValue()));
+
+		(SkLearnFunctionRegistry.rexpFunctionClazzes.entrySet()).stream()
+			.filter(entry -> predicate.test(entry.getKey()))
+			.forEach(entry -> FunctionRegistry.putFunction(entry.getKey(), entry.getValue()));
+	}
+
+	private static final Map<String, Function> rexpFunctions = Collections.emptyMap();
+	private static final Map<String, Class<? extends Function>> rexpFunctionClazzes = Collections.emptyMap();
+}

pom.xml

@@ -34,6 +34,7 @@
 
 	<modules>
 		<module>pmml-sklearn</module>
+		<module>pmml-sklearn-evaluator</module>
 		<module>pmml-sklearn-example</module>
 		<module>pmml-sklearn-extension</module>
 		<module>pmml-sklearn-h2o</module>
@@ -71,6 +72,11 @@
 				<artifactId>pmml-sklearn</artifactId>
 				<version>1.9-SNAPSHOT</version>
 			</dependency>
+			<dependency>
+				<groupId>org.jpmml</groupId>
+				<artifactId>pmml-sklearn-evaluator</artifactId>
+				<version>1.9-SNAPSHOT</version>
+			</dependency>
 			<dependency>
 				<groupId>org.jpmml</groupId>
 				<artifactId>pmml-sklearn-example</artifactId>
@@ -102,6 +108,11 @@
 				<version>1.9-SNAPSHOT</version>
 			</dependency>
 
+			<dependency>
+				<groupId>org.jpmml</groupId>
+				<artifactId>pmml-evaluator</artifactId>
+				<version>${jpmml-evaluator.version}</version>
+			</dependency>
 			<dependency>
 				<groupId>org.jpmml</groupId>
 				<artifactId>pmml-evaluator-testing</artifactId>