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109
core/sail/shacl/src/main/java/org/eclipse/rdf4j/sail/shacl/ShaclValidator.java
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| /******************************************************************************* | ||
| * Copyright (c) 2023 Eclipse RDF4J contributors. | ||
| * | ||
| * All rights reserved. This program and the accompanying materials | ||
| * are made available under the terms of the Eclipse Distribution License v1.0 | ||
| * which accompanies this distribution, and is available at | ||
| * http://www.eclipse.org/org/documents/edl-v10.php. | ||
| * | ||
| * SPDX-License-Identifier: BSD-3-Clause | ||
| ******************************************************************************/ | ||
|
|
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| package org.eclipse.rdf4j.sail.shacl; | ||
|
|
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| import java.util.List; | ||
| import java.util.stream.Collectors; | ||
|
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| import org.eclipse.rdf4j.common.annotation.Experimental; | ||
| import org.eclipse.rdf4j.common.iteration.CloseableIteration; | ||
| import org.eclipse.rdf4j.common.transaction.IsolationLevels; | ||
| import org.eclipse.rdf4j.model.Resource; | ||
| import org.eclipse.rdf4j.sail.Sail; | ||
| import org.eclipse.rdf4j.sail.SailConnection; | ||
| import org.eclipse.rdf4j.sail.SailException; | ||
| import org.eclipse.rdf4j.sail.shacl.ast.ContextWithShapes; | ||
| import org.eclipse.rdf4j.sail.shacl.ast.Shape; | ||
| import org.eclipse.rdf4j.sail.shacl.ast.planNodes.SingleCloseablePlanNode; | ||
| import org.eclipse.rdf4j.sail.shacl.ast.planNodes.ValidationExecutionLogger; | ||
| import org.eclipse.rdf4j.sail.shacl.ast.planNodes.ValidationTuple; | ||
| import org.eclipse.rdf4j.sail.shacl.results.ValidationReport; | ||
| import org.eclipse.rdf4j.sail.shacl.results.lazy.LazyValidationReport; | ||
| import org.eclipse.rdf4j.sail.shacl.results.lazy.ValidationResultIterator; | ||
| import org.eclipse.rdf4j.sail.shacl.wrapper.data.ConnectionsGroup; | ||
| import org.eclipse.rdf4j.sail.shacl.wrapper.data.RdfsSubClassOfReasoner; | ||
| import org.eclipse.rdf4j.sail.shacl.wrapper.data.VerySimpleRdfsBackwardsChainingConnection; | ||
| import org.eclipse.rdf4j.sail.shacl.wrapper.shape.CombinedShapeSource; | ||
| import org.eclipse.rdf4j.sail.shacl.wrapper.shape.ShapeSource; | ||
|
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| @Experimental | ||
| public class ShaclValidator { | ||
|
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| private static final Resource[] ALL_CONTEXTS = {}; | ||
|
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| // protected so that tests can override | ||
| protected static Resource[] CONTEXTS = {}; | ||
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| public static ValidationReport validate(Sail dataRepo, Sail shapesRepo) { | ||
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| List<ContextWithShapes> shapes; | ||
| try (SailConnection shapesConnection = shapesRepo.getConnection()) { | ||
| shapesConnection.begin(IsolationLevels.NONE); | ||
| try (ShapeSource shapeSource = new CombinedShapeSource(shapesConnection, | ||
| shapesConnection)) { | ||
| shapes = Shape.Factory.getShapes(shapeSource.withContext(CONTEXTS), | ||
| new Shape.ParseSettings(true, true)); | ||
| } | ||
| shapesConnection.commit(); | ||
| } | ||
|
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| try (SailConnection dataRepoConnection = dataRepo.getConnection()) { | ||
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| RdfsSubClassOfReasoner reasoner; | ||
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| try (SailConnection shapesConnection = shapesRepo.getConnection()) { | ||
| reasoner = RdfsSubClassOfReasoner.createReasoner( | ||
| dataRepoConnection, shapesConnection, | ||
| new ValidationSettings(ALL_CONTEXTS, false, true, false)); | ||
| } | ||
|
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| VerySimpleRdfsBackwardsChainingConnection verySimpleRdfsBackwardsChainingConnection = new VerySimpleRdfsBackwardsChainingConnection( | ||
| dataRepoConnection, reasoner); | ||
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| return performValidation(shapes, new ConnectionsGroup(verySimpleRdfsBackwardsChainingConnection, null, | ||
| null, null, new Stats(), () -> reasoner, | ||
| new ShaclSailConnection.Settings(true, true, true, IsolationLevels.NONE), true)); | ||
| } | ||
|
|
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| } | ||
|
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| private static ValidationReport performValidation(List<ContextWithShapes> shapes, | ||
| ConnectionsGroup connectionsGroup) { | ||
|
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| List<ValidationResultIterator> collect = shapes | ||
| .stream() | ||
| .flatMap(contextWithShapes -> { | ||
| return contextWithShapes | ||
| .getShapes() | ||
| .stream() | ||
| .map(shape -> shape.generatePlans(connectionsGroup, | ||
| new ValidationSettings(contextWithShapes.getDataGraph(), false, true, false))); | ||
| } | ||
| ) | ||
| .map(planNode -> { | ||
| assert planNode instanceof SingleCloseablePlanNode; | ||
| planNode.receiveLogger(ValidationExecutionLogger.getInstance(false)); | ||
| return (SingleCloseablePlanNode) planNode; | ||
| }) | ||
|
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| .map(planNode -> { | ||
| try (CloseableIteration<? extends ValidationTuple, SailException> iterator = planNode.iterator()) { | ||
| return new ValidationResultIterator(iterator, 1000, planNode.getShape().getSeverity()); | ||
| } | ||
| }) | ||
| .collect(Collectors.toList()); | ||
|
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| return new LazyValidationReport(collect, 10000); | ||
|
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| } | ||
|
|
||
| } |
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