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A library for core classes (Graph, Vertex, Edge, etc.)
package io.konig.shacl.services;
/*
* #%L
* Konig Core
* %%
* Copyright (C) 2015 - 2017 Gregory McFall
* %%
* 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.
* #L%
*/
import java.util.List;
import org.openrdf.model.Resource;
import org.openrdf.model.URI;
import io.konig.core.Vertex;
import io.konig.shacl.PropertyConstraint;
import io.konig.shacl.Shape;
import io.konig.shacl.ShapeManager;
import io.konig.shacl.ShapeValidator;
/**
* A utility that finds the Shape that best matches a collection of instances of a given Class.
* @author Greg McFall
*
*/
public class ShapeMatcher {
private ShapeManager shapeManager;
private ShapeValidator validator;
public ShapeMatcher(ShapeManager shapeManager) {
this.shapeManager = shapeManager;
validator = new ShapeValidator();
validator.setClosed(true);
}
public Shape bestMatch(List individuals, URI owlClass) {
List candidates = shapeManager.getShapesByTargetClass(owlClass);
Shape bestShape = null;
int minPropertyCount = Integer.MAX_VALUE;
for (Shape shape : candidates) {
for (Vertex v : individuals) {
if (validator.conforms(v, shape)) {
int count = propertyCount(shape);
if (bestShape == null || count